From c0242964b715b28278449278aab35b354e8046f4 Mon Sep 17 00:00:00 2001 From: squall-leonhart Date: Thu, 22 Oct 2009 21:22:49 +0000 Subject: [PATCH] removing and reverting. --- src/gba/GBA.cpp | 3988 ------------------------------------------- src/gba/GBAinline.h | 761 --------- src/gba/RTC.cpp | 279 --- src/gba/RTC.h | 14 - 4 files changed, 5042 deletions(-) delete mode 100644 src/gba/GBA.cpp delete mode 100644 src/gba/GBAinline.h delete mode 100644 src/gba/RTC.cpp delete mode 100644 src/gba/RTC.h diff --git a/src/gba/GBA.cpp b/src/gba/GBA.cpp deleted file mode 100644 index 2cc378ed..00000000 --- a/src/gba/GBA.cpp +++ /dev/null @@ -1,3988 +0,0 @@ -#include -#include -#include -#include -#include -#include "GBA.h" -#include "GBAcpu.h" -#include "GBAinline.h" -#include "Globals.h" -#include "GBAGfx.h" -#include "EEprom.h" -#include "Flash.h" -#include "Sound.h" -#include "Sram.h" -#include "bios.h" -#include "Cheats.h" -#include "../NLS.h" -#include "elf.h" -#include "../Util.h" -#include "../common/Port.h" -#include "../System.h" -#include "agbprint.h" -#ifdef PROFILING -#include "prof/prof.h" -#endif - -#ifdef __GNUC__ -#define _stricmp strcasecmp -#endif - - -extern int emulating; -#ifdef LINK_EMULATION -extern int linktime; -extern void StartLink(u16); -extern void StartJOYLink(u16); -extern void StartGPLink(u16); -extern void LinkSSend(u16); -extern void LinkUpdate(int); -extern int linktime2; -#endif -int SWITicks = 0; -int IRQTicks = 0; - -u32 mastercode = 0; -int layerEnableDelay = 0; -bool busPrefetch = false; -bool busPrefetchEnable = false; -u32 busPrefetchCount = 0; -int cpuDmaTicksToUpdate = 0; -int cpuDmaCount = 0; -bool cpuDmaHack = false; -u32 cpuDmaLast = 0; -int dummyAddress = 0; - -bool cpuBreakLoop = false; -int cpuNextEvent = 0; - -int gbaSaveType = 0; // used to remember the save type on reset -bool intState = false; -bool stopState = false; -bool holdState = false; -int holdType = 0; -bool cpuSramEnabled = true; -bool cpuFlashEnabled = true; -bool cpuEEPROMEnabled = true; -bool cpuEEPROMSensorEnabled = false; - -u32 cpuPrefetch[2]; - -int cpuTotalTicks = 0; -#ifdef PROFILING -int profilingTicks = 0; -int profilingTicksReload = 0; -static profile_segment *profilSegment = NULL; -#endif - -#ifdef BKPT_SUPPORT -u8 freezeWorkRAM[0x40000]; -u8 freezeInternalRAM[0x8000]; -u8 freezeVRAM[0x18000]; -u8 freezePRAM[0x400]; -u8 freezeOAM[0x400]; -bool debugger_last; -#endif - -int lcdTicks = (useBios && !skipBios) ? 1008 : 208; -u8 timerOnOffDelay = 0; -u16 timer0Value = 0; -bool timer0On = false; -int timer0Ticks = 0; -int timer0Reload = 0; -int timer0ClockReload = 0; -u16 timer1Value = 0; -bool timer1On = false; -int timer1Ticks = 0; -int timer1Reload = 0; -int timer1ClockReload = 0; -u16 timer2Value = 0; -bool timer2On = false; -int timer2Ticks = 0; -int timer2Reload = 0; -int timer2ClockReload = 0; -u16 timer3Value = 0; -bool timer3On = false; -int timer3Ticks = 0; -int timer3Reload = 0; -int timer3ClockReload = 0; -u32 dma0Source = 0; -u32 dma0Dest = 0; -u32 dma1Source = 0; -u32 dma1Dest = 0; -u32 dma2Source = 0; -u32 dma2Dest = 0; -u32 dma3Source = 0; -u32 dma3Dest = 0; -void (*cpuSaveGameFunc)(u32,u8) = flashSaveDecide; -void (*renderLine)() = mode0RenderLine; -bool fxOn = false; -bool windowOn = false; -int frameCount = 0; -char buffer[1024]; -FILE *out = NULL; -u32 lastTime = 0; -int count = 0; - -int capture = 0; -int capturePrevious = 0; -int captureNumber = 0; - -const int TIMER_TICKS[4] = { - 0, - 6, - 8, - 10 -}; - -const u32 objTilesAddress [3] = {0x010000, 0x014000, 0x014000}; -const u8 gamepakRamWaitState[4] = { 4, 3, 2, 8 }; -const u8 gamepakWaitState[4] = { 4, 3, 2, 8 }; -const u8 gamepakWaitState0[2] = { 2, 1 }; -const u8 gamepakWaitState1[2] = { 4, 1 }; -const u8 gamepakWaitState2[2] = { 8, 1 }; -const bool isInRom [16]= - { false, false, false, false, false, false, false, false, - true, true, true, true, true, true, false, false }; - -u8 memoryWait[16] = - { 0, 0, 2, 0, 0, 0, 0, 0, 4, 4, 4, 4, 4, 4, 4, 0 }; -u8 memoryWait32[16] = - { 0, 0, 5, 0, 0, 1, 1, 0, 7, 7, 9, 9, 13, 13, 4, 0 }; -u8 memoryWaitSeq[16] = - { 0, 0, 2, 0, 0, 0, 0, 0, 2, 2, 4, 4, 8, 8, 4, 0 }; -u8 memoryWaitSeq32[16] = - { 0, 0, 5, 0, 0, 1, 1, 0, 5, 5, 9, 9, 17, 17, 4, 0 }; - -// The videoMemoryWait constants are used to add some waitstates -// if the opcode access video memory data outside of vblank/hblank -// It seems to happen on only one ticks for each pixel. -// Not used for now (too problematic with current code). -//const u8 videoMemoryWait[16] = -// {0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0}; - - -u8 biosProtected[4]; - -#ifdef WORDS_BIGENDIAN -bool cpuBiosSwapped = false; -#endif - -u32 myROM[] = { -0xEA000006, -0xEA000093, -0xEA000006, -0x00000000, -0x00000000, -0x00000000, -0xEA000088, -0x00000000, -0xE3A00302, -0xE1A0F000, -0xE92D5800, -0xE55EC002, -0xE28FB03C, -0xE79BC10C, -0xE14FB000, -0xE92D0800, -0xE20BB080, -0xE38BB01F, -0xE129F00B, -0xE92D4004, -0xE1A0E00F, -0xE12FFF1C, -0xE8BD4004, -0xE3A0C0D3, -0xE129F00C, -0xE8BD0800, -0xE169F00B, -0xE8BD5800, -0xE1B0F00E, -0x0000009C, -0x0000009C, -0x0000009C, -0x0000009C, -0x000001F8, -0x000001F0, -0x000000AC, -0x000000A0, -0x000000FC, -0x00000168, -0xE12FFF1E, -0xE1A03000, -0xE1A00001, -0xE1A01003, -0xE2113102, -0x42611000, -0xE033C040, -0x22600000, -0xE1B02001, -0xE15200A0, -0x91A02082, -0x3AFFFFFC, -0xE1500002, -0xE0A33003, -0x20400002, -0xE1320001, -0x11A020A2, -0x1AFFFFF9, -0xE1A01000, -0xE1A00003, -0xE1B0C08C, -0x22600000, -0x42611000, -0xE12FFF1E, -0xE92D0010, -0xE1A0C000, -0xE3A01001, -0xE1500001, -0x81A000A0, -0x81A01081, -0x8AFFFFFB, -0xE1A0000C, -0xE1A04001, -0xE3A03000, -0xE1A02001, -0xE15200A0, -0x91A02082, -0x3AFFFFFC, -0xE1500002, -0xE0A33003, -0x20400002, -0xE1320001, -0x11A020A2, -0x1AFFFFF9, -0xE0811003, -0xE1B010A1, -0xE1510004, -0x3AFFFFEE, -0xE1A00004, -0xE8BD0010, -0xE12FFF1E, -0xE0010090, -0xE1A01741, -0xE2611000, -0xE3A030A9, -0xE0030391, -0xE1A03743, -0xE2833E39, -0xE0030391, -0xE1A03743, -0xE2833C09, -0xE283301C, -0xE0030391, -0xE1A03743, -0xE2833C0F, -0xE28330B6, -0xE0030391, -0xE1A03743, -0xE2833C16, -0xE28330AA, -0xE0030391, -0xE1A03743, -0xE2833A02, -0xE2833081, -0xE0030391, -0xE1A03743, -0xE2833C36, -0xE2833051, -0xE0030391, -0xE1A03743, -0xE2833CA2, -0xE28330F9, -0xE0000093, -0xE1A00840, -0xE12FFF1E, -0xE3A00001, -0xE3A01001, -0xE92D4010, -0xE3A03000, -0xE3A04001, -0xE3500000, -0x1B000004, -0xE5CC3301, -0xEB000002, -0x0AFFFFFC, -0xE8BD4010, -0xE12FFF1E, -0xE3A0C301, -0xE5CC3208, -0xE15C20B8, -0xE0110002, -0x10222000, -0x114C20B8, -0xE5CC4208, -0xE12FFF1E, -0xE92D500F, -0xE3A00301, -0xE1A0E00F, -0xE510F004, -0xE8BD500F, -0xE25EF004, -0xE59FD044, -0xE92D5000, -0xE14FC000, -0xE10FE000, -0xE92D5000, -0xE3A0C302, -0xE5DCE09C, -0xE35E00A5, -0x1A000004, -0x05DCE0B4, -0x021EE080, -0xE28FE004, -0x159FF018, -0x059FF018, -0xE59FD018, -0xE8BD5000, -0xE169F00C, -0xE8BD5000, -0xE25EF004, -0x03007FF0, -0x09FE2000, -0x09FFC000, -0x03007FE0 -}; - -variable_desc saveGameStruct[] = { - { &DISPCNT , sizeof(u16) }, - { &DISPSTAT , sizeof(u16) }, - { &VCOUNT , sizeof(u16) }, - { &BG0CNT , sizeof(u16) }, - { &BG1CNT , sizeof(u16) }, - { &BG2CNT , sizeof(u16) }, - { &BG3CNT , sizeof(u16) }, - { &BG0HOFS , sizeof(u16) }, - { &BG0VOFS , sizeof(u16) }, - { &BG1HOFS , sizeof(u16) }, - { &BG1VOFS , sizeof(u16) }, - { &BG2HOFS , sizeof(u16) }, - { &BG2VOFS , sizeof(u16) }, - { &BG3HOFS , sizeof(u16) }, - { &BG3VOFS , sizeof(u16) }, - { &BG2PA , sizeof(u16) }, - { &BG2PB , sizeof(u16) }, - { &BG2PC , sizeof(u16) }, - { &BG2PD , sizeof(u16) }, - { &BG2X_L , sizeof(u16) }, - { &BG2X_H , sizeof(u16) }, - { &BG2Y_L , sizeof(u16) }, - { &BG2Y_H , sizeof(u16) }, - { &BG3PA , sizeof(u16) }, - { &BG3PB , sizeof(u16) }, - { &BG3PC , sizeof(u16) }, - { &BG3PD , sizeof(u16) }, - { &BG3X_L , sizeof(u16) }, - { &BG3X_H , sizeof(u16) }, - { &BG3Y_L , sizeof(u16) }, - { &BG3Y_H , sizeof(u16) }, - { &WIN0H , sizeof(u16) }, - { &WIN1H , sizeof(u16) }, - { &WIN0V , sizeof(u16) }, - { &WIN1V , sizeof(u16) }, - { &WININ , sizeof(u16) }, - { &WINOUT , sizeof(u16) }, - { &MOSAIC , sizeof(u16) }, - { &BLDMOD , sizeof(u16) }, - { &COLEV , sizeof(u16) }, - { &COLY , sizeof(u16) }, - { &DM0SAD_L , sizeof(u16) }, - { &DM0SAD_H , sizeof(u16) }, - { &DM0DAD_L , sizeof(u16) }, - { &DM0DAD_H , sizeof(u16) }, - { &DM0CNT_L , sizeof(u16) }, - { &DM0CNT_H , sizeof(u16) }, - { &DM1SAD_L , sizeof(u16) }, - { &DM1SAD_H , sizeof(u16) }, - { &DM1DAD_L , sizeof(u16) }, - { &DM1DAD_H , sizeof(u16) }, - { &DM1CNT_L , sizeof(u16) }, - { &DM1CNT_H , sizeof(u16) }, - { &DM2SAD_L , sizeof(u16) }, - { &DM2SAD_H , sizeof(u16) }, - { &DM2DAD_L , sizeof(u16) }, - { &DM2DAD_H , sizeof(u16) }, - { &DM2CNT_L , sizeof(u16) }, - { &DM2CNT_H , sizeof(u16) }, - { &DM3SAD_L , sizeof(u16) }, - { &DM3SAD_H , sizeof(u16) }, - { &DM3DAD_L , sizeof(u16) }, - { &DM3DAD_H , sizeof(u16) }, - { &DM3CNT_L , sizeof(u16) }, - { &DM3CNT_H , sizeof(u16) }, - { &TM0D , sizeof(u16) }, - { &TM0CNT , sizeof(u16) }, - { &TM1D , sizeof(u16) }, - { &TM1CNT , sizeof(u16) }, - { &TM2D , sizeof(u16) }, - { &TM2CNT , sizeof(u16) }, - { &TM3D , sizeof(u16) }, - { &TM3CNT , sizeof(u16) }, - { &P1 , sizeof(u16) }, - { &IE , sizeof(u16) }, - { &IF , sizeof(u16) }, - { &IME , sizeof(u16) }, - { &holdState, sizeof(bool) }, - { &holdType, sizeof(int) }, - { &lcdTicks, sizeof(int) }, - { &timer0On , sizeof(bool) }, - { &timer0Ticks , sizeof(int) }, - { &timer0Reload , sizeof(int) }, - { &timer0ClockReload , sizeof(int) }, - { &timer1On , sizeof(bool) }, - { &timer1Ticks , sizeof(int) }, - { &timer1Reload , sizeof(int) }, - { &timer1ClockReload , sizeof(int) }, - { &timer2On , sizeof(bool) }, - { &timer2Ticks , sizeof(int) }, - { &timer2Reload , sizeof(int) }, - { &timer2ClockReload , sizeof(int) }, - { &timer3On , sizeof(bool) }, - { &timer3Ticks , sizeof(int) }, - { &timer3Reload , sizeof(int) }, - { &timer3ClockReload , sizeof(int) }, - { &dma0Source , sizeof(u32) }, - { &dma0Dest , sizeof(u32) }, - { &dma1Source , sizeof(u32) }, - { &dma1Dest , sizeof(u32) }, - { &dma2Source , sizeof(u32) }, - { &dma2Dest , sizeof(u32) }, - { &dma3Source , sizeof(u32) }, - { &dma3Dest , sizeof(u32) }, - { &fxOn, sizeof(bool) }, - { &windowOn, sizeof(bool) }, - { &N_FLAG , sizeof(bool) }, - { &C_FLAG , sizeof(bool) }, - { &Z_FLAG , sizeof(bool) }, - { &V_FLAG , sizeof(bool) }, - { &armState , sizeof(bool) }, - { &armIrqEnable , sizeof(bool) }, - { &armNextPC , sizeof(u32) }, - { &armMode , sizeof(int) }, - { &saveType , sizeof(int) }, - { NULL, 0 } -}; - -static int romSize = 0x2000000; - -#ifdef PROFILING -void cpuProfil(profile_segment *seg) -{ - profilSegment = seg; -} - -void cpuEnableProfiling(int hz) -{ - if(hz == 0) - hz = 100; - profilingTicks = profilingTicksReload = 16777216 / hz; - profSetHertz(hz); -} -#endif - - -inline int CPUUpdateTicks() -{ - int cpuLoopTicks = lcdTicks; - - if(soundTicks < cpuLoopTicks) - cpuLoopTicks = soundTicks; - - if(timer0On && (timer0Ticks < cpuLoopTicks)) { - cpuLoopTicks = timer0Ticks; - } - if(timer1On && !(TM1CNT & 4) && (timer1Ticks < cpuLoopTicks)) { - cpuLoopTicks = timer1Ticks; - } - if(timer2On && !(TM2CNT & 4) && (timer2Ticks < cpuLoopTicks)) { - cpuLoopTicks = timer2Ticks; - } - if(timer3On && !(TM3CNT & 4) && (timer3Ticks < cpuLoopTicks)) { - cpuLoopTicks = timer3Ticks; - } -#ifdef PROFILING - if(profilingTicksReload != 0) { - if(profilingTicks < cpuLoopTicks) { - cpuLoopTicks = profilingTicks; - } - } -#endif - - if (SWITicks) { - if (SWITicks < cpuLoopTicks) - cpuLoopTicks = SWITicks; - } - - if (IRQTicks) { - if (IRQTicks < cpuLoopTicks) - cpuLoopTicks = IRQTicks; - } - - return cpuLoopTicks; -} - -void CPUUpdateWindow0() -{ - int x00 = WIN0H>>8; - int x01 = WIN0H & 255; - - if(x00 <= x01) { - for(int i = 0; i < 240; i++) { - gfxInWin0[i] = (i >= x00 && i < x01); - } - } else { - for(int i = 0; i < 240; i++) { - gfxInWin0[i] = (i >= x00 || i < x01); - } - } -} - -void CPUUpdateWindow1() -{ - int x00 = WIN1H>>8; - int x01 = WIN1H & 255; - - if(x00 <= x01) { - for(int i = 0; i < 240; i++) { - gfxInWin1[i] = (i >= x00 && i < x01); - } - } else { - for(int i = 0; i < 240; i++) { - gfxInWin1[i] = (i >= x00 || i < x01); - } - } -} - -extern u32 line0[240]; -extern u32 line1[240]; -extern u32 line2[240]; -extern u32 line3[240]; - -#define CLEAR_ARRAY(a) \ - {\ - u32 *array = (a);\ - for(int i = 0; i < 240; i++) {\ - *array++ = 0x80000000;\ - }\ - }\ - -void CPUUpdateRenderBuffers(bool force) -{ - if(!(layerEnable & 0x0100) || force) { - CLEAR_ARRAY(line0); - } - if(!(layerEnable & 0x0200) || force) { - CLEAR_ARRAY(line1); - } - if(!(layerEnable & 0x0400) || force) { - CLEAR_ARRAY(line2); - } - if(!(layerEnable & 0x0800) || force) { - CLEAR_ARRAY(line3); - } -} - -static bool CPUWriteState(gzFile gzFile) -{ - utilWriteInt(gzFile, SAVE_GAME_VERSION); - - utilGzWrite(gzFile, &rom[0xa0], 16); - - utilWriteInt(gzFile, useBios); - - utilGzWrite(gzFile, ®[0], sizeof(reg)); - - utilWriteData(gzFile, saveGameStruct); - - // new to version 0.7.1 - utilWriteInt(gzFile, stopState); - // new to version 0.8 - utilWriteInt(gzFile, IRQTicks); - - utilGzWrite(gzFile, internalRAM, 0x8000); - utilGzWrite(gzFile, paletteRAM, 0x400); - utilGzWrite(gzFile, workRAM, 0x40000); - utilGzWrite(gzFile, vram, 0x20000); - utilGzWrite(gzFile, oam, 0x400); - utilGzWrite(gzFile, pix, 4*241*162); - utilGzWrite(gzFile, ioMem, 0x400); - - eepromSaveGame(gzFile); - flashSaveGame(gzFile); - soundSaveGame(gzFile); - - cheatsSaveGame(gzFile); - - // version 1.5 - rtcSaveGame(gzFile); - - return true; -} - -bool CPUWriteState(const char *file) -{ - gzFile gzFile = utilGzOpen(file, "wb"); - - if(gzFile == NULL) { - systemMessage(MSG_ERROR_CREATING_FILE, N_("Error creating file %s"), file); - return false; - } - - bool res = CPUWriteState(gzFile); - - utilGzClose(gzFile); - - return res; -} - -bool CPUWriteMemState(char *memory, int available) -{ - gzFile gzFile = utilMemGzOpen(memory, available, "w"); - - if(gzFile == NULL) { - return false; - } - - bool res = CPUWriteState(gzFile); - - long pos = utilGzMemTell(gzFile)+8; - - if(pos >= (available)) - res = false; - - utilGzClose(gzFile); - - return res; -} - -static bool CPUReadState(gzFile gzFile) -{ - int version = utilReadInt(gzFile); - - if(version > SAVE_GAME_VERSION || version < SAVE_GAME_VERSION_1) { - systemMessage(MSG_UNSUPPORTED_VBA_SGM, - N_("Unsupported VisualBoyAdvance save game version %d"), - version); - return false; - } - - u8 romname[17]; - - utilGzRead(gzFile, romname, 16); - - if(memcmp(&rom[0xa0], romname, 16) != 0) { - romname[16]=0; - for(int i = 0; i < 16; i++) - if(romname[i] < 32) - romname[i] = 32; - systemMessage(MSG_CANNOT_LOAD_SGM, N_("Cannot load save game for %s"), romname); - return false; - } - - bool ub = utilReadInt(gzFile) ? true : false; - - if(ub != useBios) { - if(useBios) - systemMessage(MSG_SAVE_GAME_NOT_USING_BIOS, - N_("Save game is not using the BIOS files")); - else - systemMessage(MSG_SAVE_GAME_USING_BIOS, - N_("Save game is using the BIOS file")); - return false; - } - - utilGzRead(gzFile, ®[0], sizeof(reg)); - - utilReadData(gzFile, saveGameStruct); - - if(version < SAVE_GAME_VERSION_3) - stopState = false; - else - stopState = utilReadInt(gzFile) ? true : false; - - if(version < SAVE_GAME_VERSION_4) - { - IRQTicks = 0; - intState = false; - } - else - { - IRQTicks = utilReadInt(gzFile); - if (IRQTicks>0) - intState = true; - else - { - intState = false; - IRQTicks = 0; - } - } - - utilGzRead(gzFile, internalRAM, 0x8000); - utilGzRead(gzFile, paletteRAM, 0x400); - utilGzRead(gzFile, workRAM, 0x40000); - utilGzRead(gzFile, vram, 0x20000); - utilGzRead(gzFile, oam, 0x400); - if(version < SAVE_GAME_VERSION_6) - utilGzRead(gzFile, pix, 4*240*160); - else - utilGzRead(gzFile, pix, 4*241*162); - utilGzRead(gzFile, ioMem, 0x400); - - if(skipSaveGameBattery) { - // skip eeprom data - eepromReadGameSkip(gzFile, version); - // skip flash data - flashReadGameSkip(gzFile, version); - } else { - eepromReadGame(gzFile, version); - flashReadGame(gzFile, version); - } - soundReadGame(gzFile, version); - - if(version > SAVE_GAME_VERSION_1) { - if(skipSaveGameCheats) { - // skip cheats list data - cheatsReadGameSkip(gzFile, version); - } else { - cheatsReadGame(gzFile, version); - } - } - if(version > SAVE_GAME_VERSION_6) { - rtcReadGame(gzFile); - } - - if(version <= SAVE_GAME_VERSION_7) { - u32 temp; -#define SWAP(a,b,c) \ - temp = (a);\ - (a) = (b)<<16|(c);\ - (b) = (temp) >> 16;\ - (c) = (temp) & 0xFFFF; - - SWAP(dma0Source, DM0SAD_H, DM0SAD_L); - SWAP(dma0Dest, DM0DAD_H, DM0DAD_L); - SWAP(dma1Source, DM1SAD_H, DM1SAD_L); - SWAP(dma1Dest, DM1DAD_H, DM1DAD_L); - SWAP(dma2Source, DM2SAD_H, DM2SAD_L); - SWAP(dma2Dest, DM2DAD_H, DM2DAD_L); - SWAP(dma3Source, DM3SAD_H, DM3SAD_L); - SWAP(dma3Dest, DM3DAD_H, DM3DAD_L); - } - - if(version <= SAVE_GAME_VERSION_8) { - timer0ClockReload = TIMER_TICKS[TM0CNT & 3]; - timer1ClockReload = TIMER_TICKS[TM1CNT & 3]; - timer2ClockReload = TIMER_TICKS[TM2CNT & 3]; - timer3ClockReload = TIMER_TICKS[TM3CNT & 3]; - - timer0Ticks = ((0x10000 - TM0D) << timer0ClockReload) - timer0Ticks; - timer1Ticks = ((0x10000 - TM1D) << timer1ClockReload) - timer1Ticks; - timer2Ticks = ((0x10000 - TM2D) << timer2ClockReload) - timer2Ticks; - timer3Ticks = ((0x10000 - TM3D) << timer3ClockReload) - timer3Ticks; - interp_rate(); - } - - // set pointers! - layerEnable = layerSettings & DISPCNT; - - CPUUpdateRender(); - CPUUpdateRenderBuffers(true); - CPUUpdateWindow0(); - CPUUpdateWindow1(); - gbaSaveType = 0; - switch(saveType) { - case 0: - cpuSaveGameFunc = flashSaveDecide; - break; - case 1: - cpuSaveGameFunc = sramWrite; - gbaSaveType = 1; - break; - case 2: - cpuSaveGameFunc = flashWrite; - gbaSaveType = 2; - break; - case 3: - break; - case 5: - gbaSaveType = 5; - break; - default: - systemMessage(MSG_UNSUPPORTED_SAVE_TYPE, - N_("Unsupported save type %d"), saveType); - break; - } - if(eepromInUse) - gbaSaveType = 3; - - systemSaveUpdateCounter = SYSTEM_SAVE_NOT_UPDATED; - if(armState) { - ARM_PREFETCH; - } else { - THUMB_PREFETCH; - } - - CPUUpdateRegister(0x204, CPUReadHalfWordQuick(0x4000204)); - - return true; -} - -bool CPUReadMemState(char *memory, int available) -{ - gzFile gzFile = utilMemGzOpen(memory, available, "r"); - - bool res = CPUReadState(gzFile); - - utilGzClose(gzFile); - - return res; -} - -bool CPUReadState(const char * file) -{ - gzFile gzFile = utilGzOpen(file, "rb"); - - if(gzFile == NULL) - return false; - - bool res = CPUReadState(gzFile); - - utilGzClose(gzFile); - - return res; -} - -bool CPUExportEepromFile(const char *fileName) -{ - if(eepromInUse) { - FILE *file = fopen(fileName, "wb"); - - if(!file) { - systemMessage(MSG_ERROR_CREATING_FILE, N_("Error creating file %s"), - fileName); - return false; - } - - for(int i = 0; i < eepromSize;) { - for(int j = 0; j < 8; j++) { - if(fwrite(&eepromData[i+7-j], 1, 1, file) != 1) { - fclose(file); - return false; - } - } - i += 8; - } - fclose(file); - } - return true; -} - -bool CPUWriteBatteryFile(const char *fileName) -{ - if(gbaSaveType == 0) { - if(eepromInUse) - gbaSaveType = 3; - else switch(saveType) { - case 1: - gbaSaveType = 1; - break; - case 2: - gbaSaveType = 2; - break; - } - } - - if((gbaSaveType) && (gbaSaveType!=5)) { - FILE *file = fopen(fileName, "wb"); - - if(!file) { - systemMessage(MSG_ERROR_CREATING_FILE, N_("Error creating file %s"), - fileName); - return false; - } - - // only save if Flash/Sram in use or EEprom in use - if(gbaSaveType != 3) { - if(gbaSaveType == 2) { - if(fwrite(flashSaveMemory, 1, flashSize, file) != (size_t)flashSize) { - fclose(file); - return false; - } - } else { - if(fwrite(flashSaveMemory, 1, 0x10000, file) != 0x10000) { - fclose(file); - return false; - } - } - } else { - if(fwrite(eepromData, 1, eepromSize, file) != (size_t)eepromSize) { - fclose(file); - return false; - } - } - fclose(file); - } - return true; -} - -bool CPUReadGSASnapshot(const char *fileName) -{ - int i; - FILE *file = fopen(fileName, "rb"); - - if(!file) { - systemMessage(MSG_CANNOT_OPEN_FILE, N_("Cannot open file %s"), fileName); - return false; - } - - // check file size to know what we should read - fseek(file, 0, SEEK_END); - - // long size = ftell(file); - fseek(file, 0x0, SEEK_SET); - fread(&i, 1, 4, file); - fseek(file, i, SEEK_CUR); // Skip SharkPortSave - fseek(file, 4, SEEK_CUR); // skip some sort of flag - fread(&i, 1, 4, file); // name length - fseek(file, i, SEEK_CUR); // skip name - fread(&i, 1, 4, file); // desc length - fseek(file, i, SEEK_CUR); // skip desc - fread(&i, 1, 4, file); // notes length - fseek(file, i, SEEK_CUR); // skip notes - int saveSize; - fread(&saveSize, 1, 4, file); // read length - saveSize -= 0x1c; // remove header size - char buffer[17]; - char buffer2[17]; - fread(buffer, 1, 16, file); - buffer[16] = 0; - for(i = 0; i < 16; i++) - if(buffer[i] < 32) - buffer[i] = 32; - memcpy(buffer2, &rom[0xa0], 16); - buffer2[16] = 0; - for(i = 0; i < 16; i++) - if(buffer2[i] < 32) - buffer2[i] = 32; - if(memcmp(buffer, buffer2, 16)) { - systemMessage(MSG_CANNOT_IMPORT_SNAPSHOT_FOR, - N_("Cannot import snapshot for %s. Current game is %s"), - buffer, - buffer2); - fclose(file); - return false; - } - fseek(file, 12, SEEK_CUR); // skip some flags - if(saveSize >= 65536) { - if(fread(flashSaveMemory, 1, saveSize, file) != (size_t)saveSize) { - fclose(file); - return false; - } - } else { - systemMessage(MSG_UNSUPPORTED_SNAPSHOT_FILE, - N_("Unsupported snapshot file %s"), - fileName); - fclose(file); - return false; - } - fclose(file); - CPUReset(); - return true; -} - -bool CPUWriteGSASnapshot(const char *fileName, - const char *title, - const char *desc, - const char *notes) -{ - FILE *file = fopen(fileName, "wb"); - - if(!file) { - systemMessage(MSG_CANNOT_OPEN_FILE, N_("Cannot open file %s"), fileName); - return false; - } - - u8 buffer[17]; - - utilPutDword(buffer, 0x0d); // SharkPortSave length - fwrite(buffer, 1, 4, file); - fwrite("SharkPortSave", 1, 0x0d, file); - utilPutDword(buffer, 0x000f0000); - fwrite(buffer, 1, 4, file); // save type 0x000f0000 = GBA save - utilPutDword(buffer, (u32)strlen(title)); - fwrite(buffer, 1, 4, file); // title length - fwrite(title, 1, strlen(title), file); - utilPutDword(buffer, (u32)strlen(desc)); - fwrite(buffer, 1, 4, file); // desc length - fwrite(desc, 1, strlen(desc), file); - utilPutDword(buffer, (u32)strlen(notes)); - fwrite(buffer, 1, 4, file); // notes length - fwrite(notes, 1, strlen(notes), file); - int saveSize = 0x10000; - if(gbaSaveType == 2) - saveSize = flashSize; - int totalSize = saveSize + 0x1c; - - utilPutDword(buffer, totalSize); // length of remainder of save - CRC - fwrite(buffer, 1, 4, file); - - char *temp = new char[0x2001c]; - memset(temp, 0, 28); - memcpy(temp, &rom[0xa0], 16); // copy internal name - temp[0x10] = rom[0xbe]; // reserved area (old checksum) - temp[0x11] = rom[0xbf]; // reserved area (old checksum) - temp[0x12] = rom[0xbd]; // complement check - temp[0x13] = rom[0xb0]; // maker - temp[0x14] = 1; // 1 save ? - memcpy(&temp[0x1c], flashSaveMemory, saveSize); // copy save - fwrite(temp, 1, totalSize, file); // write save + header - u32 crc = 0; - - for(int i = 0; i < totalSize; i++) { - crc += ((u32)temp[i] << (crc % 0x18)); - } - - utilPutDword(buffer, crc); - fwrite(buffer, 1, 4, file); // CRC? - - fclose(file); - delete [] temp; - return true; -} - -bool CPUImportEepromFile(const char *fileName) -{ - FILE *file = fopen(fileName, "rb"); - - if(!file) - return false; - - // check file size to know what we should read - fseek(file, 0, SEEK_END); - - long size = ftell(file); - fseek(file, 0, SEEK_SET); - if(size == 512 || size == 0x2000) { - if(fread(eepromData, 1, size, file) != (size_t)size) { - fclose(file); - return false; - } - for(int i = 0; i < size;) { - u8 tmp = eepromData[i]; - eepromData[i] = eepromData[7-i]; - eepromData[7-i] = tmp; - i++; - tmp = eepromData[i]; - eepromData[i] = eepromData[7-i]; - eepromData[7-i] = tmp; - i++; - tmp = eepromData[i]; - eepromData[i] = eepromData[7-i]; - eepromData[7-i] = tmp; - i++; - tmp = eepromData[i]; - eepromData[i] = eepromData[7-i]; - eepromData[7-i] = tmp; - i++; - i += 4; - } - } else - return false; - fclose(file); - return true; -} - -bool CPUReadBatteryFile(const char *fileName) -{ - FILE *file = fopen(fileName, "rb"); - - if(!file) - return false; - - // check file size to know what we should read - fseek(file, 0, SEEK_END); - - long size = ftell(file); - fseek(file, 0, SEEK_SET); - systemSaveUpdateCounter = SYSTEM_SAVE_NOT_UPDATED; - - if(size == 512 || size == 0x2000) { - if(fread(eepromData, 1, size, file) != (size_t)size) { - fclose(file); - return false; - } - } else { - if(size == 0x20000) { - if(fread(flashSaveMemory, 1, 0x20000, file) != 0x20000) { - fclose(file); - return false; - } - flashSetSize(0x20000); - } else { - if(fread(flashSaveMemory, 1, 0x10000, file) != 0x10000) { - fclose(file); - return false; - } - flashSetSize(0x10000); - } - } - fclose(file); - return true; -} - -bool CPUWritePNGFile(const char *fileName) -{ - return utilWritePNGFile(fileName, 240, 160, pix); -} - -bool CPUWriteBMPFile(const char *fileName) -{ - return utilWriteBMPFile(fileName, 240, 160, pix); -} - -bool CPUIsZipFile(const char * file) -{ - if(strlen(file) > 4) { - const char * p = strrchr(file,'.'); - - if(p != NULL) { - if(_stricmp(p, ".zip") == 0) - return true; - } - } - - return false; -} - -bool CPUIsGBAImage(const char * file) -{ - cpuIsMultiBoot = false; - if(strlen(file) > 4) { - const char * p = strrchr(file,'.'); - - if(p != NULL) { - if(_stricmp(p, ".gba") == 0) - return true; - if(_stricmp(p, ".agb") == 0) - return true; - if(_stricmp(p, ".bin") == 0) - return true; - if(_stricmp(p, ".elf") == 0) - return true; - if(_stricmp(p, ".mb") == 0) { - cpuIsMultiBoot = true; - return true; - } - } - } - - return false; -} - -bool CPUIsGBABios(const char * file) -{ - if(strlen(file) > 4) { - const char * p = strrchr(file,'.'); - - if(p != NULL) { - if(_stricmp(p, ".gba") == 0) - return true; - if(_stricmp(p, ".agb") == 0) - return true; - if(_stricmp(p, ".bin") == 0) - return true; - if(_stricmp(p, ".bios") == 0) - return true; - if(_stricmp(p, ".rom") == 0) - return true; - } - } - - return false; -} - -bool CPUIsELF(const char *file) -{ - if(strlen(file) > 4) { - const char * p = strrchr(file,'.'); - - if(p != NULL) { - if(_stricmp(p, ".elf") == 0) - return true; - } - } - return false; -} - -void CPUCleanUp() -{ -#ifdef PROFILING - if(profilingTicksReload) { - profCleanup(); - } -#endif - - if(rom != NULL) { - free(rom); - rom = NULL; - } - - if(vram != NULL) { - free(vram); - vram = NULL; - } - - if(paletteRAM != NULL) { - free(paletteRAM); - paletteRAM = NULL; - } - - if(internalRAM != NULL) { - free(internalRAM); - internalRAM = NULL; - } - - if(workRAM != NULL) { - free(workRAM); - workRAM = NULL; - } - - if(bios != NULL) { - free(bios); - bios = NULL; - } - - if(pix != NULL) { - free(pix); - pix = NULL; - } - - if(oam != NULL) { - free(oam); - oam = NULL; - } - - if(ioMem != NULL) { - free(ioMem); - ioMem = NULL; - } - -#ifndef NO_DEBUGGER - elfCleanUp(); -#endif //NO_DEBUGGER - - systemSaveUpdateCounter = SYSTEM_SAVE_NOT_UPDATED; - - emulating = 0; -} - -int CPULoadRom(const char *szFile) -{ - romSize = 0x2000000; - if(rom != NULL) { - CPUCleanUp(); - } - - systemSaveUpdateCounter = SYSTEM_SAVE_NOT_UPDATED; - - rom = (u8 *)malloc(0x2000000); - if(rom == NULL) { - systemMessage(MSG_OUT_OF_MEMORY, N_("Failed to allocate memory for %s"), - "ROM"); - return 0; - } - workRAM = (u8 *)calloc(1, 0x40000); - if(workRAM == NULL) { - systemMessage(MSG_OUT_OF_MEMORY, N_("Failed to allocate memory for %s"), - "WRAM"); - return 0; - } - - u8 *whereToLoad = cpuIsMultiBoot ? workRAM : rom; - -#ifndef NO_DEBUGGER - if(CPUIsELF(szFile)) { - FILE *f = fopen(szFile, "rb"); - if(!f) { - systemMessage(MSG_ERROR_OPENING_IMAGE, N_("Error opening image %s"), - szFile); - free(rom); - rom = NULL; - free(workRAM); - workRAM = NULL; - return 0; - } - bool res = elfRead(szFile, romSize, f); - if(!res || romSize == 0) { - free(rom); - rom = NULL; - free(workRAM); - workRAM = NULL; - elfCleanUp(); - return 0; - } - } else -#endif //NO_DEBUGGER - if(!utilLoad(szFile, - utilIsGBAImage, - whereToLoad, - romSize)) { - free(rom); - rom = NULL; - free(workRAM); - workRAM = NULL; - return 0; - } - - u16 *temp = (u16 *)(rom+((romSize+1)&~1)); - int i; - for(i = (romSize+1)&~1; i < 0x2000000; i+=2) { - WRITE16LE(temp, (i >> 1) & 0xFFFF); - temp++; - } - - bios = (u8 *)calloc(1,0x4000); - if(bios == NULL) { - systemMessage(MSG_OUT_OF_MEMORY, N_("Failed to allocate memory for %s"), - "BIOS"); - CPUCleanUp(); - return 0; - } - internalRAM = (u8 *)calloc(1,0x8000); - if(internalRAM == NULL) { - systemMessage(MSG_OUT_OF_MEMORY, N_("Failed to allocate memory for %s"), - "IRAM"); - CPUCleanUp(); - return 0; - } - paletteRAM = (u8 *)calloc(1,0x400); - if(paletteRAM == NULL) { - systemMessage(MSG_OUT_OF_MEMORY, N_("Failed to allocate memory for %s"), - "PRAM"); - CPUCleanUp(); - return 0; - } - vram = (u8 *)calloc(1, 0x20000); - if(vram == NULL) { - systemMessage(MSG_OUT_OF_MEMORY, N_("Failed to allocate memory for %s"), - "VRAM"); - CPUCleanUp(); - return 0; - } - oam = (u8 *)calloc(1, 0x400); - if(oam == NULL) { - systemMessage(MSG_OUT_OF_MEMORY, N_("Failed to allocate memory for %s"), - "OAM"); - CPUCleanUp(); - return 0; - } - pix = (u8 *)calloc(1, 4 * 241 * 162); - if(pix == NULL) { - systemMessage(MSG_OUT_OF_MEMORY, N_("Failed to allocate memory for %s"), - "PIX"); - CPUCleanUp(); - return 0; - } - ioMem = (u8 *)calloc(1, 0x400); - if(ioMem == NULL) { - systemMessage(MSG_OUT_OF_MEMORY, N_("Failed to allocate memory for %s"), - "IO"); - CPUCleanUp(); - return 0; - } - - flashInit(); - eepromInit(); - - CPUUpdateRenderBuffers(true); - - return romSize; -} - -void doMirroring (bool b) -{ - u32 mirroredRomSize = (((romSize)>>20) & 0x3F)<<20; - u32 mirroredRomAddress = romSize; - if ((mirroredRomSize <=0x800000) && (b)) - { - mirroredRomAddress = mirroredRomSize; - if (mirroredRomSize==0) - mirroredRomSize=0x100000; - while (mirroredRomAddress<0x01000000) - { - memcpy ((u16 *)(rom+mirroredRomAddress), (u16 *)(rom), mirroredRomSize); - mirroredRomAddress+=mirroredRomSize; - } - } -} - -void CPUUpdateRender() -{ - switch(DISPCNT & 7) { - case 0: - if((!fxOn && !windowOn && !(layerEnable & 0x8000)) || - cpuDisableSfx) - renderLine = mode0RenderLine; - else if(fxOn && !windowOn && !(layerEnable & 0x8000)) - renderLine = mode0RenderLineNoWindow; - else - renderLine = mode0RenderLineAll; - break; - case 1: - if((!fxOn && !windowOn && !(layerEnable & 0x8000)) || - cpuDisableSfx) - renderLine = mode1RenderLine; - else if(fxOn && !windowOn && !(layerEnable & 0x8000)) - renderLine = mode1RenderLineNoWindow; - else - renderLine = mode1RenderLineAll; - break; - case 2: - if((!fxOn && !windowOn && !(layerEnable & 0x8000)) || - cpuDisableSfx) - renderLine = mode2RenderLine; - else if(fxOn && !windowOn && !(layerEnable & 0x8000)) - renderLine = mode2RenderLineNoWindow; - else - renderLine = mode2RenderLineAll; - break; - case 3: - if((!fxOn && !windowOn && !(layerEnable & 0x8000)) || - cpuDisableSfx) - renderLine = mode3RenderLine; - else if(fxOn && !windowOn && !(layerEnable & 0x8000)) - renderLine = mode3RenderLineNoWindow; - else - renderLine = mode3RenderLineAll; - break; - case 4: - if((!fxOn && !windowOn && !(layerEnable & 0x8000)) || - cpuDisableSfx) - renderLine = mode4RenderLine; - else if(fxOn && !windowOn && !(layerEnable & 0x8000)) - renderLine = mode4RenderLineNoWindow; - else - renderLine = mode4RenderLineAll; - break; - case 5: - if((!fxOn && !windowOn && !(layerEnable & 0x8000)) || - cpuDisableSfx) - renderLine = mode5RenderLine; - else if(fxOn && !windowOn && !(layerEnable & 0x8000)) - renderLine = mode5RenderLineNoWindow; - else - renderLine = mode5RenderLineAll; - default: - break; - } -} - -void CPUUpdateCPSR() -{ - u32 CPSR = reg[16].I & 0x40; - if(N_FLAG) - CPSR |= 0x80000000; - if(Z_FLAG) - CPSR |= 0x40000000; - if(C_FLAG) - CPSR |= 0x20000000; - if(V_FLAG) - CPSR |= 0x10000000; - if(!armState) - CPSR |= 0x00000020; - if(!armIrqEnable) - CPSR |= 0x80; - CPSR |= (armMode & 0x1F); - reg[16].I = CPSR; -} - -void CPUUpdateFlags(bool breakLoop) -{ - u32 CPSR = reg[16].I; - - N_FLAG = (CPSR & 0x80000000) ? true: false; - Z_FLAG = (CPSR & 0x40000000) ? true: false; - C_FLAG = (CPSR & 0x20000000) ? true: false; - V_FLAG = (CPSR & 0x10000000) ? true: false; - armState = (CPSR & 0x20) ? false : true; - armIrqEnable = (CPSR & 0x80) ? false : true; - if(breakLoop) { - if (armIrqEnable && (IF & IE) && (IME & 1)) - cpuNextEvent = cpuTotalTicks; - } -} - -void CPUUpdateFlags() -{ - CPUUpdateFlags(true); -} - -#ifdef WORDS_BIGENDIAN -static void CPUSwap(volatile u32 *a, volatile u32 *b) -{ - volatile u32 c = *b; - *b = *a; - *a = c; -} -#else -static void CPUSwap(u32 *a, u32 *b) -{ - u32 c = *b; - *b = *a; - *a = c; -} -#endif - -void CPUSwitchMode(int mode, bool saveState, bool breakLoop) -{ - // if(armMode == mode) - // return; - - CPUUpdateCPSR(); - - switch(armMode) { - case 0x10: - case 0x1F: - reg[R13_USR].I = reg[13].I; - reg[R14_USR].I = reg[14].I; - reg[17].I = reg[16].I; - break; - case 0x11: - CPUSwap(®[R8_FIQ].I, ®[8].I); - CPUSwap(®[R9_FIQ].I, ®[9].I); - CPUSwap(®[R10_FIQ].I, ®[10].I); - CPUSwap(®[R11_FIQ].I, ®[11].I); - CPUSwap(®[R12_FIQ].I, ®[12].I); - reg[R13_FIQ].I = reg[13].I; - reg[R14_FIQ].I = reg[14].I; - reg[SPSR_FIQ].I = reg[17].I; - break; - case 0x12: - reg[R13_IRQ].I = reg[13].I; - reg[R14_IRQ].I = reg[14].I; - reg[SPSR_IRQ].I = reg[17].I; - break; - case 0x13: - reg[R13_SVC].I = reg[13].I; - reg[R14_SVC].I = reg[14].I; - reg[SPSR_SVC].I = reg[17].I; - break; - case 0x17: - reg[R13_ABT].I = reg[13].I; - reg[R14_ABT].I = reg[14].I; - reg[SPSR_ABT].I = reg[17].I; - break; - case 0x1b: - reg[R13_UND].I = reg[13].I; - reg[R14_UND].I = reg[14].I; - reg[SPSR_UND].I = reg[17].I; - break; - } - - u32 CPSR = reg[16].I; - u32 SPSR = reg[17].I; - - switch(mode) { - case 0x10: - case 0x1F: - reg[13].I = reg[R13_USR].I; - reg[14].I = reg[R14_USR].I; - reg[16].I = SPSR; - break; - case 0x11: - CPUSwap(®[8].I, ®[R8_FIQ].I); - CPUSwap(®[9].I, ®[R9_FIQ].I); - CPUSwap(®[10].I, ®[R10_FIQ].I); - CPUSwap(®[11].I, ®[R11_FIQ].I); - CPUSwap(®[12].I, ®[R12_FIQ].I); - reg[13].I = reg[R13_FIQ].I; - reg[14].I = reg[R14_FIQ].I; - if(saveState) - reg[17].I = CPSR; - else - reg[17].I = reg[SPSR_FIQ].I; - break; - case 0x12: - reg[13].I = reg[R13_IRQ].I; - reg[14].I = reg[R14_IRQ].I; - reg[16].I = SPSR; - if(saveState) - reg[17].I = CPSR; - else - reg[17].I = reg[SPSR_IRQ].I; - break; - case 0x13: - reg[13].I = reg[R13_SVC].I; - reg[14].I = reg[R14_SVC].I; - reg[16].I = SPSR; - if(saveState) - reg[17].I = CPSR; - else - reg[17].I = reg[SPSR_SVC].I; - break; - case 0x17: - reg[13].I = reg[R13_ABT].I; - reg[14].I = reg[R14_ABT].I; - reg[16].I = SPSR; - if(saveState) - reg[17].I = CPSR; - else - reg[17].I = reg[SPSR_ABT].I; - break; - case 0x1b: - reg[13].I = reg[R13_UND].I; - reg[14].I = reg[R14_UND].I; - reg[16].I = SPSR; - if(saveState) - reg[17].I = CPSR; - else - reg[17].I = reg[SPSR_UND].I; - break; - default: - systemMessage(MSG_UNSUPPORTED_ARM_MODE, N_("Unsupported ARM mode %02x"), mode); - break; - } - armMode = mode; - CPUUpdateFlags(breakLoop); - CPUUpdateCPSR(); -} - -void CPUSwitchMode(int mode, bool saveState) -{ - CPUSwitchMode(mode, saveState, true); -} - -void CPUUndefinedException() -{ - u32 PC = reg[15].I; - bool savedArmState = armState; - CPUSwitchMode(0x1b, true, false); - reg[14].I = PC - (savedArmState ? 4 : 2); - reg[15].I = 0x04; - armState = true; - armIrqEnable = false; - armNextPC = 0x04; - ARM_PREFETCH; - reg[15].I += 4; -} - -void CPUSoftwareInterrupt() -{ - u32 PC = reg[15].I; - bool savedArmState = armState; - CPUSwitchMode(0x13, true, false); - reg[14].I = PC - (savedArmState ? 4 : 2); - reg[15].I = 0x08; - armState = true; - armIrqEnable = false; - armNextPC = 0x08; - ARM_PREFETCH; - reg[15].I += 4; -} - -void CPUSoftwareInterrupt(int comment) -{ - static bool disableMessage = false; - if(armState) comment >>= 16; -#ifdef BKPT_SUPPORT - if(comment == 0xff) { - dbgOutput(NULL, reg[0].I); - return; - } -#endif -#ifdef PROFILING - if(comment == 0xfe) { - profStartup(reg[0].I, reg[1].I); - return; - } - if(comment == 0xfd) { - profControl(reg[0].I); - return; - } - if(comment == 0xfc) { - profCleanup(); - return; - } - if(comment == 0xfb) { - profCount(); - return; - } -#endif - if(comment == 0xfa) { - agbPrintFlush(); - return; - } -#ifdef SDL - if(comment == 0xf9) { - emulating = 0; - cpuNextEvent = cpuTotalTicks; - cpuBreakLoop = true; - return; - } -#endif - if(useBios) { -#ifdef GBA_LOGGING - if(systemVerbose & VERBOSE_SWI) { - log("SWI: %08x at %08x (0x%08x,0x%08x,0x%08x,VCOUNT = %2d)\n", comment, - armState ? armNextPC - 4: armNextPC -2, - reg[0].I, - reg[1].I, - reg[2].I, - VCOUNT); - } -#endif - CPUSoftwareInterrupt(); - return; - } - // This would be correct, but it causes problems if uncommented - // else { - // biosProtected = 0xe3a02004; - // } - - switch(comment) { - case 0x00: - BIOS_SoftReset(); - ARM_PREFETCH; - break; - case 0x01: - BIOS_RegisterRamReset(); - break; - case 0x02: -#ifdef GBA_LOGGING - if(systemVerbose & VERBOSE_SWI) { - log("Halt: (VCOUNT = %2d)\n", - VCOUNT); - } -#endif - holdState = true; - holdType = -1; - cpuNextEvent = cpuTotalTicks; - break; - case 0x03: -#ifdef GBA_LOGGING - if(systemVerbose & VERBOSE_SWI) { - log("Stop: (VCOUNT = %2d)\n", - VCOUNT); - } -#endif - holdState = true; - holdType = -1; - stopState = true; - cpuNextEvent = cpuTotalTicks; - break; - case 0x04: -#ifdef GBA_LOGGING - if(systemVerbose & VERBOSE_SWI) { - log("IntrWait: 0x%08x,0x%08x (VCOUNT = %2d)\n", - reg[0].I, - reg[1].I, - VCOUNT); - } -#endif - CPUSoftwareInterrupt(); - break; - case 0x05: -#ifdef GBA_LOGGING - if(systemVerbose & VERBOSE_SWI) { - log("VBlankIntrWait: (VCOUNT = %2d)\n", - VCOUNT); - } -#endif - CPUSoftwareInterrupt(); - break; - case 0x06: - CPUSoftwareInterrupt(); - break; - case 0x07: - CPUSoftwareInterrupt(); - break; - case 0x08: - BIOS_Sqrt(); - break; - case 0x09: - BIOS_ArcTan(); - break; - case 0x0A: - BIOS_ArcTan2(); - break; - case 0x0B: - { - int len = (reg[2].I & 0x1FFFFF) >>1; - if (!(((reg[0].I & 0xe000000) == 0) || - ((reg[0].I + len) & 0xe000000) == 0)) - { - if ((reg[2].I >> 24) & 1) - { - if ((reg[2].I >> 26) & 1) - SWITicks = (7 + memoryWait32[(reg[1].I>>24) & 0xF]) * (len>>1); - else - SWITicks = (8 + memoryWait[(reg[1].I>>24) & 0xF]) * (len); - } - else - { - if ((reg[2].I >> 26) & 1) - SWITicks = (10 + memoryWait32[(reg[0].I>>24) & 0xF] + - memoryWait32[(reg[1].I>>24) & 0xF]) * (len>>1); - else - SWITicks = (11 + memoryWait[(reg[0].I>>24) & 0xF] + - memoryWait[(reg[1].I>>24) & 0xF]) * len; - } - } - } - BIOS_CpuSet(); - break; - case 0x0C: - { - int len = (reg[2].I & 0x1FFFFF) >>5; - if (!(((reg[0].I & 0xe000000) == 0) || - ((reg[0].I + len) & 0xe000000) == 0)) - { - if ((reg[2].I >> 24) & 1) - SWITicks = (6 + memoryWait32[(reg[1].I>>24) & 0xF] + - 7 * (memoryWaitSeq32[(reg[1].I>>24) & 0xF] + 1)) * len; - else - SWITicks = (9 + memoryWait32[(reg[0].I>>24) & 0xF] + - memoryWait32[(reg[1].I>>24) & 0xF] + - 7 * (memoryWaitSeq32[(reg[0].I>>24) & 0xF] + - memoryWaitSeq32[(reg[1].I>>24) & 0xF] + 2)) * len; - } - } - BIOS_CpuFastSet(); - break; - case 0x0D: - BIOS_GetBiosChecksum(); - break; - case 0x0E: - BIOS_BgAffineSet(); - break; - case 0x0F: - BIOS_ObjAffineSet(); - break; - case 0x10: - { - int len = CPUReadHalfWord(reg[2].I); - if (!(((reg[0].I & 0xe000000) == 0) || - ((reg[0].I + len) & 0xe000000) == 0)) - SWITicks = (32 + memoryWait[(reg[0].I>>24) & 0xF]) * len; - } - BIOS_BitUnPack(); - break; - case 0x11: - { - u32 len = CPUReadMemory(reg[0].I) >> 8; - if(!(((reg[0].I & 0xe000000) == 0) || - ((reg[0].I + (len & 0x1fffff)) & 0xe000000) == 0)) - SWITicks = (9 + memoryWait[(reg[1].I>>24) & 0xF]) * len; - } - BIOS_LZ77UnCompWram(); - break; - case 0x12: - { - u32 len = CPUReadMemory(reg[0].I) >> 8; - if(!(((reg[0].I & 0xe000000) == 0) || - ((reg[0].I + (len & 0x1fffff)) & 0xe000000) == 0)) - SWITicks = (19 + memoryWait[(reg[1].I>>24) & 0xF]) * len; - } - BIOS_LZ77UnCompVram(); - break; - case 0x13: - { - u32 len = CPUReadMemory(reg[0].I) >> 8; - if(!(((reg[0].I & 0xe000000) == 0) || - ((reg[0].I + (len & 0x1fffff)) & 0xe000000) == 0)) - SWITicks = (29 + (memoryWait[(reg[0].I>>24) & 0xF]<<1)) * len; - } - BIOS_HuffUnComp(); - break; - case 0x14: - { - u32 len = CPUReadMemory(reg[0].I) >> 8; - if(!(((reg[0].I & 0xe000000) == 0) || - ((reg[0].I + (len & 0x1fffff)) & 0xe000000) == 0)) - SWITicks = (11 + memoryWait[(reg[0].I>>24) & 0xF] + - memoryWait[(reg[1].I>>24) & 0xF]) * len; - } - BIOS_RLUnCompWram(); - break; - case 0x15: - { - u32 len = CPUReadMemory(reg[0].I) >> 9; - if(!(((reg[0].I & 0xe000000) == 0) || - ((reg[0].I + (len & 0x1fffff)) & 0xe000000) == 0)) - SWITicks = (34 + (memoryWait[(reg[0].I>>24) & 0xF] << 1) + - memoryWait[(reg[1].I>>24) & 0xF]) * len; - } - BIOS_RLUnCompVram(); - break; - case 0x16: - { - u32 len = CPUReadMemory(reg[0].I) >> 8; - if(!(((reg[0].I & 0xe000000) == 0) || - ((reg[0].I + (len & 0x1fffff)) & 0xe000000) == 0)) - SWITicks = (13 + memoryWait[(reg[0].I>>24) & 0xF] + - memoryWait[(reg[1].I>>24) & 0xF]) * len; - } - BIOS_Diff8bitUnFilterWram(); - break; - case 0x17: - { - u32 len = CPUReadMemory(reg[0].I) >> 9; - if(!(((reg[0].I & 0xe000000) == 0) || - ((reg[0].I + (len & 0x1fffff)) & 0xe000000) == 0)) - SWITicks = (39 + (memoryWait[(reg[0].I>>24) & 0xF]<<1) + - memoryWait[(reg[1].I>>24) & 0xF]) * len; - } - BIOS_Diff8bitUnFilterVram(); - break; - case 0x18: - { - u32 len = CPUReadMemory(reg[0].I) >> 9; - if(!(((reg[0].I & 0xe000000) == 0) || - ((reg[0].I + (len & 0x1fffff)) & 0xe000000) == 0)) - SWITicks = (13 + memoryWait[(reg[0].I>>24) & 0xF] + - memoryWait[(reg[1].I>>24) & 0xF]) * len; - } - BIOS_Diff16bitUnFilter(); - break; - case 0x19: -#ifdef GBA_LOGGING - if(systemVerbose & VERBOSE_SWI) { - log("SoundBiasSet: 0x%08x (VCOUNT = %2d)\n", - reg[0].I, - VCOUNT); - } -#endif - if(reg[0].I) - soundPause(); - else - soundResume(); - break; - case 0x1F: - BIOS_MidiKey2Freq(); - break; - case 0x2A: - BIOS_SndDriverJmpTableCopy(); - // let it go, because we don't really emulate this function - default: -#ifdef GBA_LOGGING - if(systemVerbose & VERBOSE_SWI) { - log("SWI: %08x at %08x (0x%08x,0x%08x,0x%08x,VCOUNT = %2d)\n", comment, - armState ? armNextPC - 4: armNextPC -2, - reg[0].I, - reg[1].I, - reg[2].I, - VCOUNT); - } -#endif - - if(!disableMessage) { - systemMessage(MSG_UNSUPPORTED_BIOS_FUNCTION, - N_("Unsupported BIOS function %02x called from %08x. A BIOS file is needed in order to get correct behaviour."), - comment, - armMode ? armNextPC - 4: armNextPC - 2); - disableMessage = true; - } - break; - } -} - -void CPUCompareVCOUNT() -{ - if(VCOUNT == (DISPSTAT >> 8)) { - DISPSTAT |= 4; - UPDATE_REG(0x04, DISPSTAT); - - if(DISPSTAT & 0x20) { - IF |= 4; - UPDATE_REG(0x202, IF); - } - } else { - DISPSTAT &= 0xFFFB; - UPDATE_REG(0x4, DISPSTAT); - } - if (layerEnableDelay>0) - { - layerEnableDelay--; - if (layerEnableDelay==1) - layerEnable = layerSettings & DISPCNT; - } - -} - -void doDMA(u32 &s, u32 &d, u32 si, u32 di, u32 c, int transfer32) -{ - int sm = s >> 24; - int dm = d >> 24; - int sw = 0; - int dw = 0; - int sc = c; - - cpuDmaCount = c; - // This is done to get the correct waitstates. - if (sm>15) - sm=15; - if (dm>15) - dm=15; - - //if ((sm>=0x05) && (sm<=0x07) || (dm>=0x05) && (dm <=0x07)) - // blank = (((DISPSTAT | ((DISPSTAT>>1)&1))==1) ? true : false); - - if(transfer32) { - s &= 0xFFFFFFFC; - if(s < 0x02000000 && (reg[15].I >> 24)) { - while(c != 0) { - CPUWriteMemory(d, 0); - d += di; - c--; - } - } else { - while(c != 0) { - cpuDmaLast = CPUReadMemory(s); - CPUWriteMemory(d, cpuDmaLast); - d += di; - s += si; - c--; - } - } - } else { - s &= 0xFFFFFFFE; - si = (int)si >> 1; - di = (int)di >> 1; - if(s < 0x02000000 && (reg[15].I >> 24)) { - while(c != 0) { - CPUWriteHalfWord(d, 0); - d += di; - c--; - } - } else { - while(c != 0) { - cpuDmaLast = CPUReadHalfWord(s); - CPUWriteHalfWord(d, cpuDmaLast); - cpuDmaLast |= (cpuDmaLast<<16); - d += di; - s += si; - c--; - } - } - } - - cpuDmaCount = 0; - - int totalTicks = 0; - - if(transfer32) { - sw =1+memoryWaitSeq32[sm & 15]; - dw =1+memoryWaitSeq32[dm & 15]; - totalTicks = (sw+dw)*(sc-1) + 6 + memoryWait32[sm & 15] + - memoryWaitSeq32[dm & 15]; - } - else - { - sw = 1+memoryWaitSeq[sm & 15]; - dw = 1+memoryWaitSeq[dm & 15]; - totalTicks = (sw+dw)*(sc-1) + 6 + memoryWait[sm & 15] + - memoryWaitSeq[dm & 15]; - } - - cpuDmaTicksToUpdate += totalTicks; - -} - -void CPUCheckDMA(int reason, int dmamask) -{ - // DMA 0 - if((DM0CNT_H & 0x8000) && (dmamask & 1)) { - if(((DM0CNT_H >> 12) & 3) == reason) { - u32 sourceIncrement = 4; - u32 destIncrement = 4; - switch((DM0CNT_H >> 7) & 3) { - case 0: - break; - case 1: - sourceIncrement = (u32)-4; - break; - case 2: - sourceIncrement = 0; - break; - } - switch((DM0CNT_H >> 5) & 3) { - case 0: - break; - case 1: - destIncrement = (u32)-4; - break; - case 2: - destIncrement = 0; - break; - } -#ifdef GBA_LOGGING - if(systemVerbose & VERBOSE_DMA0) { - int count = (DM0CNT_L ? DM0CNT_L : 0x4000) << 1; - if(DM0CNT_H & 0x0400) - count <<= 1; - log("DMA0: s=%08x d=%08x c=%04x count=%08x\n", dma0Source, dma0Dest, - DM0CNT_H, - count); - } -#endif - doDMA(dma0Source, dma0Dest, sourceIncrement, destIncrement, - DM0CNT_L ? DM0CNT_L : 0x4000, - DM0CNT_H & 0x0400); - cpuDmaHack = true; - - if(DM0CNT_H & 0x4000) { - IF |= 0x0100; - UPDATE_REG(0x202, IF); - cpuNextEvent = cpuTotalTicks; - } - - if(((DM0CNT_H >> 5) & 3) == 3) { - dma0Dest = DM0DAD_L | (DM0DAD_H << 16); - } - - if(!(DM0CNT_H & 0x0200) || (reason == 0)) { - DM0CNT_H &= 0x7FFF; - UPDATE_REG(0xBA, DM0CNT_H); - } - } - } - - // DMA 1 - if((DM1CNT_H & 0x8000) && (dmamask & 2)) { - if(((DM1CNT_H >> 12) & 3) == reason) { - u32 sourceIncrement = 4; - u32 destIncrement = 4; - switch((DM1CNT_H >> 7) & 3) { - case 0: - break; - case 1: - sourceIncrement = (u32)-4; - break; - case 2: - sourceIncrement = 0; - break; - } - switch((DM1CNT_H >> 5) & 3) { - case 0: - break; - case 1: - destIncrement = (u32)-4; - break; - case 2: - destIncrement = 0; - break; - } - if(reason == 3) { -#ifdef GBA_LOGGING - if(systemVerbose & VERBOSE_DMA1) { - log("DMA1: s=%08x d=%08x c=%04x count=%08x\n", dma1Source, dma1Dest, - DM1CNT_H, - 16); - } -#endif - doDMA(dma1Source, dma1Dest, sourceIncrement, 0, 4, - 0x0400); - } else { -#ifdef GBA_LOGGING - if(systemVerbose & VERBOSE_DMA1) { - int count = (DM1CNT_L ? DM1CNT_L : 0x4000) << 1; - if(DM1CNT_H & 0x0400) - count <<= 1; - log("DMA1: s=%08x d=%08x c=%04x count=%08x\n", dma1Source, dma1Dest, - DM1CNT_H, - count); - } -#endif - doDMA(dma1Source, dma1Dest, sourceIncrement, destIncrement, - DM1CNT_L ? DM1CNT_L : 0x4000, - DM1CNT_H & 0x0400); - } - cpuDmaHack = true; - - if(DM1CNT_H & 0x4000) { - IF |= 0x0200; - UPDATE_REG(0x202, IF); - cpuNextEvent = cpuTotalTicks; - } - - if(((DM1CNT_H >> 5) & 3) == 3) { - dma1Dest = DM1DAD_L | (DM1DAD_H << 16); - } - - if(!(DM1CNT_H & 0x0200) || (reason == 0)) { - DM1CNT_H &= 0x7FFF; - UPDATE_REG(0xC6, DM1CNT_H); - } - } - } - - // DMA 2 - if((DM2CNT_H & 0x8000) && (dmamask & 4)) { - if(((DM2CNT_H >> 12) & 3) == reason) { - u32 sourceIncrement = 4; - u32 destIncrement = 4; - switch((DM2CNT_H >> 7) & 3) { - case 0: - break; - case 1: - sourceIncrement = (u32)-4; - break; - case 2: - sourceIncrement = 0; - break; - } - switch((DM2CNT_H >> 5) & 3) { - case 0: - break; - case 1: - destIncrement = (u32)-4; - break; - case 2: - destIncrement = 0; - break; - } - if(reason == 3) { -#ifdef GBA_LOGGING - if(systemVerbose & VERBOSE_DMA2) { - int count = (4) << 2; - log("DMA2: s=%08x d=%08x c=%04x count=%08x\n", dma2Source, dma2Dest, - DM2CNT_H, - count); - } -#endif - doDMA(dma2Source, dma2Dest, sourceIncrement, 0, 4, - 0x0400); - } else { -#ifdef GBA_LOGGING - if(systemVerbose & VERBOSE_DMA2) { - int count = (DM2CNT_L ? DM2CNT_L : 0x4000) << 1; - if(DM2CNT_H & 0x0400) - count <<= 1; - log("DMA2: s=%08x d=%08x c=%04x count=%08x\n", dma2Source, dma2Dest, - DM2CNT_H, - count); - } -#endif - doDMA(dma2Source, dma2Dest, sourceIncrement, destIncrement, - DM2CNT_L ? DM2CNT_L : 0x4000, - DM2CNT_H & 0x0400); - } - cpuDmaHack = true; - - if(DM2CNT_H & 0x4000) { - IF |= 0x0400; - UPDATE_REG(0x202, IF); - cpuNextEvent = cpuTotalTicks; - } - - if(((DM2CNT_H >> 5) & 3) == 3) { - dma2Dest = DM2DAD_L | (DM2DAD_H << 16); - } - - if(!(DM2CNT_H & 0x0200) || (reason == 0)) { - DM2CNT_H &= 0x7FFF; - UPDATE_REG(0xD2, DM2CNT_H); - } - } - } - - // DMA 3 - if((DM3CNT_H & 0x8000) && (dmamask & 8)) { - if(((DM3CNT_H >> 12) & 3) == reason) { - u32 sourceIncrement = 4; - u32 destIncrement = 4; - switch((DM3CNT_H >> 7) & 3) { - case 0: - break; - case 1: - sourceIncrement = (u32)-4; - break; - case 2: - sourceIncrement = 0; - break; - } - switch((DM3CNT_H >> 5) & 3) { - case 0: - break; - case 1: - destIncrement = (u32)-4; - break; - case 2: - destIncrement = 0; - break; - } -#ifdef GBA_LOGGING - if(systemVerbose & VERBOSE_DMA3) { - int count = (DM3CNT_L ? DM3CNT_L : 0x10000) << 1; - if(DM3CNT_H & 0x0400) - count <<= 1; - log("DMA3: s=%08x d=%08x c=%04x count=%08x\n", dma3Source, dma3Dest, - DM3CNT_H, - count); - } -#endif - doDMA(dma3Source, dma3Dest, sourceIncrement, destIncrement, - DM3CNT_L ? DM3CNT_L : 0x10000, - DM3CNT_H & 0x0400); - if(DM3CNT_H & 0x4000) { - IF |= 0x0800; - UPDATE_REG(0x202, IF); - cpuNextEvent = cpuTotalTicks; - } - - if(((DM3CNT_H >> 5) & 3) == 3) { - dma3Dest = DM3DAD_L | (DM3DAD_H << 16); - } - - if(!(DM3CNT_H & 0x0200) || (reason == 0)) { - DM3CNT_H &= 0x7FFF; - UPDATE_REG(0xDE, DM3CNT_H); - } - } - } -} - -void CPUUpdateRegister(u32 address, u16 value) -{ - switch(address) - { - case 0x00: - { // we need to place the following code in { } because we declare & initialize variables in a case statement - if((value & 7) > 5) { - // display modes above 0-5 are prohibited - DISPCNT = (value & 7); - } - bool change = (0 != ((DISPCNT ^ value) & 0x80)); - bool changeBG = (0 != ((DISPCNT ^ value) & 0x0F00)); - u16 changeBGon = ((~DISPCNT) & value) & 0x0F00; // these layers are being activated - - DISPCNT = (value & 0xFFF7); // bit 3 can only be accessed by the BIOS to enable GBC mode - UPDATE_REG(0x00, DISPCNT); - - if(changeBGon) { - layerEnableDelay = 4; - layerEnable = layerSettings & value & (~changeBGon); - } else { - layerEnable = layerSettings & value; - // CPUUpdateTicks(); - } - - windowOn = (layerEnable & 0x6000) ? true : false; - if(change && !((value & 0x80))) { - if(!(DISPSTAT & 1)) { - lcdTicks = 1008; - // VCOUNT = 0; - // UPDATE_REG(0x06, VCOUNT); - DISPSTAT &= 0xFFFC; - UPDATE_REG(0x04, DISPSTAT); - CPUCompareVCOUNT(); - } - // (*renderLine)(); - } - CPUUpdateRender(); - // we only care about changes in BG0-BG3 - if(changeBG) { - CPUUpdateRenderBuffers(false); - } - break; - } - case 0x04: - DISPSTAT = (value & 0xFF38) | (DISPSTAT & 7); - UPDATE_REG(0x04, DISPSTAT); - break; - case 0x06: - // not writable - break; - case 0x08: - BG0CNT = (value & 0xDFCF); - UPDATE_REG(0x08, BG0CNT); - break; - case 0x0A: - BG1CNT = (value & 0xDFCF); - UPDATE_REG(0x0A, BG1CNT); - break; - case 0x0C: - BG2CNT = (value & 0xFFCF); - UPDATE_REG(0x0C, BG2CNT); - break; - case 0x0E: - BG3CNT = (value & 0xFFCF); - UPDATE_REG(0x0E, BG3CNT); - break; - case 0x10: - BG0HOFS = value & 511; - UPDATE_REG(0x10, BG0HOFS); - break; - case 0x12: - BG0VOFS = value & 511; - UPDATE_REG(0x12, BG0VOFS); - break; - case 0x14: - BG1HOFS = value & 511; - UPDATE_REG(0x14, BG1HOFS); - break; - case 0x16: - BG1VOFS = value & 511; - UPDATE_REG(0x16, BG1VOFS); - break; - case 0x18: - BG2HOFS = value & 511; - UPDATE_REG(0x18, BG2HOFS); - break; - case 0x1A: - BG2VOFS = value & 511; - UPDATE_REG(0x1A, BG2VOFS); - break; - case 0x1C: - BG3HOFS = value & 511; - UPDATE_REG(0x1C, BG3HOFS); - break; - case 0x1E: - BG3VOFS = value & 511; - UPDATE_REG(0x1E, BG3VOFS); - break; - case 0x20: - BG2PA = value; - UPDATE_REG(0x20, BG2PA); - break; - case 0x22: - BG2PB = value; - UPDATE_REG(0x22, BG2PB); - break; - case 0x24: - BG2PC = value; - UPDATE_REG(0x24, BG2PC); - break; - case 0x26: - BG2PD = value; - UPDATE_REG(0x26, BG2PD); - break; - case 0x28: - BG2X_L = value; - UPDATE_REG(0x28, BG2X_L); - gfxBG2Changed |= 1; - break; - case 0x2A: - BG2X_H = (value & 0xFFF); - UPDATE_REG(0x2A, BG2X_H); - gfxBG2Changed |= 1; - break; - case 0x2C: - BG2Y_L = value; - UPDATE_REG(0x2C, BG2Y_L); - gfxBG2Changed |= 2; - break; - case 0x2E: - BG2Y_H = value & 0xFFF; - UPDATE_REG(0x2E, BG2Y_H); - gfxBG2Changed |= 2; - break; - case 0x30: - BG3PA = value; - UPDATE_REG(0x30, BG3PA); - break; - case 0x32: - BG3PB = value; - UPDATE_REG(0x32, BG3PB); - break; - case 0x34: - BG3PC = value; - UPDATE_REG(0x34, BG3PC); - break; - case 0x36: - BG3PD = value; - UPDATE_REG(0x36, BG3PD); - break; - case 0x38: - BG3X_L = value; - UPDATE_REG(0x38, BG3X_L); - gfxBG3Changed |= 1; - break; - case 0x3A: - BG3X_H = value & 0xFFF; - UPDATE_REG(0x3A, BG3X_H); - gfxBG3Changed |= 1; - break; - case 0x3C: - BG3Y_L = value; - UPDATE_REG(0x3C, BG3Y_L); - gfxBG3Changed |= 2; - break; - case 0x3E: - BG3Y_H = value & 0xFFF; - UPDATE_REG(0x3E, BG3Y_H); - gfxBG3Changed |= 2; - break; - case 0x40: - WIN0H = value; - UPDATE_REG(0x40, WIN0H); - CPUUpdateWindow0(); - break; - case 0x42: - WIN1H = value; - UPDATE_REG(0x42, WIN1H); - CPUUpdateWindow1(); - break; - case 0x44: - WIN0V = value; - UPDATE_REG(0x44, WIN0V); - break; - case 0x46: - WIN1V = value; - UPDATE_REG(0x46, WIN1V); - break; - case 0x48: - WININ = value & 0x3F3F; - UPDATE_REG(0x48, WININ); - break; - case 0x4A: - WINOUT = value & 0x3F3F; - UPDATE_REG(0x4A, WINOUT); - break; - case 0x4C: - MOSAIC = value; - UPDATE_REG(0x4C, MOSAIC); - break; - case 0x50: - BLDMOD = value & 0x3FFF; - UPDATE_REG(0x50, BLDMOD); - fxOn = ((BLDMOD>>6)&3) != 0; - CPUUpdateRender(); - break; - case 0x52: - COLEV = value & 0x1F1F; - UPDATE_REG(0x52, COLEV); - break; - case 0x54: - COLY = value & 0x1F; - UPDATE_REG(0x54, COLY); - break; - case 0x60: - case 0x62: - case 0x64: - case 0x68: - case 0x6c: - case 0x70: - case 0x72: - case 0x74: - case 0x78: - case 0x7c: - case 0x80: - case 0x84: - soundEvent(address&0xFF, (u8)(value & 0xFF)); - soundEvent((address&0xFF)+1, (u8)(value>>8)); - break; - case 0x82: - case 0x88: - case 0xa0: - case 0xa2: - case 0xa4: - case 0xa6: - case 0x90: - case 0x92: - case 0x94: - case 0x96: - case 0x98: - case 0x9a: - case 0x9c: - case 0x9e: - soundEvent(address&0xFF, value); - break; - case 0xB0: - DM0SAD_L = value; - UPDATE_REG(0xB0, DM0SAD_L); - break; - case 0xB2: - DM0SAD_H = value & 0x07FF; - UPDATE_REG(0xB2, DM0SAD_H); - break; - case 0xB4: - DM0DAD_L = value; - UPDATE_REG(0xB4, DM0DAD_L); - break; - case 0xB6: - DM0DAD_H = value & 0x07FF; - UPDATE_REG(0xB6, DM0DAD_H); - break; - case 0xB8: - DM0CNT_L = value & 0x3FFF; - UPDATE_REG(0xB8, 0); - break; - case 0xBA: - { - bool start = ((DM0CNT_H ^ value) & 0x8000) ? true : false; - value &= 0xF7E0; - - DM0CNT_H = value; - UPDATE_REG(0xBA, DM0CNT_H); - - if(start && (value & 0x8000)) { - dma0Source = DM0SAD_L | (DM0SAD_H << 16); - dma0Dest = DM0DAD_L | (DM0DAD_H << 16); - CPUCheckDMA(0, 1); - } - } - break; - case 0xBC: - DM1SAD_L = value; - UPDATE_REG(0xBC, DM1SAD_L); - break; - case 0xBE: - DM1SAD_H = value & 0x0FFF; - UPDATE_REG(0xBE, DM1SAD_H); - break; - case 0xC0: - DM1DAD_L = value; - UPDATE_REG(0xC0, DM1DAD_L); - break; - case 0xC2: - DM1DAD_H = value & 0x07FF; - UPDATE_REG(0xC2, DM1DAD_H); - break; - case 0xC4: - DM1CNT_L = value & 0x3FFF; - UPDATE_REG(0xC4, 0); - break; - case 0xC6: - { - bool start = ((DM1CNT_H ^ value) & 0x8000) ? true : false; - value &= 0xF7E0; - - DM1CNT_H = value; - UPDATE_REG(0xC6, DM1CNT_H); - - if(start && (value & 0x8000)) { - dma1Source = DM1SAD_L | (DM1SAD_H << 16); - dma1Dest = DM1DAD_L | (DM1DAD_H << 16); - CPUCheckDMA(0, 2); - } - } - break; - case 0xC8: - DM2SAD_L = value; - UPDATE_REG(0xC8, DM2SAD_L); - break; - case 0xCA: - DM2SAD_H = value & 0x0FFF; - UPDATE_REG(0xCA, DM2SAD_H); - break; - case 0xCC: - DM2DAD_L = value; - UPDATE_REG(0xCC, DM2DAD_L); - break; - case 0xCE: - DM2DAD_H = value & 0x07FF; - UPDATE_REG(0xCE, DM2DAD_H); - break; - case 0xD0: - DM2CNT_L = value & 0x3FFF; - UPDATE_REG(0xD0, 0); - break; - case 0xD2: - { - bool start = ((DM2CNT_H ^ value) & 0x8000) ? true : false; - - value &= 0xF7E0; - - DM2CNT_H = value; - UPDATE_REG(0xD2, DM2CNT_H); - - if(start && (value & 0x8000)) { - dma2Source = DM2SAD_L | (DM2SAD_H << 16); - dma2Dest = DM2DAD_L | (DM2DAD_H << 16); - - CPUCheckDMA(0, 4); - } - } - break; - case 0xD4: - DM3SAD_L = value; - UPDATE_REG(0xD4, DM3SAD_L); - break; - case 0xD6: - DM3SAD_H = value & 0x0FFF; - UPDATE_REG(0xD6, DM3SAD_H); - break; - case 0xD8: - DM3DAD_L = value; - UPDATE_REG(0xD8, DM3DAD_L); - break; - case 0xDA: - DM3DAD_H = value & 0x0FFF; - UPDATE_REG(0xDA, DM3DAD_H); - break; - case 0xDC: - DM3CNT_L = value; - UPDATE_REG(0xDC, 0); - break; - case 0xDE: - { - bool start = ((DM3CNT_H ^ value) & 0x8000) ? true : false; - - value &= 0xFFE0; - - DM3CNT_H = value; - UPDATE_REG(0xDE, DM3CNT_H); - - if(start && (value & 0x8000)) { - dma3Source = DM3SAD_L | (DM3SAD_H << 16); - dma3Dest = DM3DAD_L | (DM3DAD_H << 16); - CPUCheckDMA(0,8); - } - } - break; - case 0x100: - timer0Reload = value; - interp_rate(); - break; - case 0x102: - timer0Value = value; - timerOnOffDelay|=1; - cpuNextEvent = cpuTotalTicks; - break; - case 0x104: - timer1Reload = value; - interp_rate(); - break; - case 0x106: - timer1Value = value; - timerOnOffDelay|=2; - cpuNextEvent = cpuTotalTicks; - break; - case 0x108: - timer2Reload = value; - break; - case 0x10A: - timer2Value = value; - timerOnOffDelay|=4; - cpuNextEvent = cpuTotalTicks; - break; - case 0x10C: - timer3Reload = value; - break; - case 0x10E: - timer3Value = value; - timerOnOffDelay|=8; - cpuNextEvent = cpuTotalTicks; - break; - case 0x128: -#ifdef LINK_EMULATION - if (linkenable) - { - StartLink(value); - } - else -#endif - { - if(value & 0x80) { - value &= 0xff7f; - if(value & 1 && (value & 0x4000)) { - UPDATE_REG(0x12a, 0xFF); - IF |= 0x80; - UPDATE_REG(0x202, IF); - value &= 0x7f7f; - } - } - UPDATE_REG(0x128, value); - } - break; - case 0x12a: -#ifdef LINK_EMULATION - if(linkenable && lspeed) - LinkSSend(value); -#endif - { - UPDATE_REG(0x134, value); - } - break; - case 0x130: - P1 |= (value & 0x3FF); - UPDATE_REG(0x130, P1); - break; - case 0x132: - UPDATE_REG(0x132, value & 0xC3FF); - break; - case 0x134: -#ifdef LINK_EMULATION - if (linkenable) - StartGPLink(value); - else -#endif - UPDATE_REG(0x134, value); - - break; - case 0x140: -#ifdef LINK_EMULATION - if (linkenable) - StartJOYLink(value); - else -#endif - UPDATE_REG(0x140, value); - - break; - case 0x200: - IE = value & 0x3FFF; - UPDATE_REG(0x200, IE); - if ((IME & 1) && (IF & IE) && armIrqEnable) - cpuNextEvent = cpuTotalTicks; - break; - case 0x202: - IF ^= (value & IF); - UPDATE_REG(0x202, IF); - break; - case 0x204: - { - memoryWait[0x0e] = memoryWaitSeq[0x0e] = gamepakRamWaitState[value & 3]; - - if(!speedHack) { - memoryWait[0x08] = memoryWait[0x09] = gamepakWaitState[(value >> 2) & 3]; - memoryWaitSeq[0x08] = memoryWaitSeq[0x09] = - gamepakWaitState0[(value >> 4) & 1]; - - memoryWait[0x0a] = memoryWait[0x0b] = gamepakWaitState[(value >> 5) & 3]; - memoryWaitSeq[0x0a] = memoryWaitSeq[0x0b] = - gamepakWaitState1[(value >> 7) & 1]; - - memoryWait[0x0c] = memoryWait[0x0d] = gamepakWaitState[(value >> 8) & 3]; - memoryWaitSeq[0x0c] = memoryWaitSeq[0x0d] = - gamepakWaitState2[(value >> 10) & 1]; - } else { - memoryWait[0x08] = memoryWait[0x09] = 3; - memoryWaitSeq[0x08] = memoryWaitSeq[0x09] = 1; - - memoryWait[0x0a] = memoryWait[0x0b] = 3; - memoryWaitSeq[0x0a] = memoryWaitSeq[0x0b] = 1; - - memoryWait[0x0c] = memoryWait[0x0d] = 3; - memoryWaitSeq[0x0c] = memoryWaitSeq[0x0d] = 1; - } - - for(int i = 8; i < 15; i++) { - memoryWait32[i] = memoryWait[i] + memoryWaitSeq[i] + 1; - memoryWaitSeq32[i] = memoryWaitSeq[i]*2 + 1; - } - - if((value & 0x4000) == 0x4000) { - busPrefetchEnable = true; - busPrefetch = false; - busPrefetchCount = 0; - } else { - busPrefetchEnable = false; - busPrefetch = false; - busPrefetchCount = 0; - } - UPDATE_REG(0x204, value & 0x7FFF); - - } - break; - case 0x208: - IME = value & 1; - UPDATE_REG(0x208, IME); - if ((IME & 1) && (IF & IE) && armIrqEnable) - cpuNextEvent = cpuTotalTicks; - break; - case 0x300: - if(value != 0) - value &= 0xFFFE; - UPDATE_REG(0x300, value); - break; - default: - UPDATE_REG(address&0x3FE, value); - break; - } -} - -void applyTimer () -{ - if (timerOnOffDelay & 1) - { - timer0ClockReload = TIMER_TICKS[timer0Value & 3]; - if(!timer0On && (timer0Value & 0x80)) { - // reload the counter - TM0D = timer0Reload; - timer0Ticks = (0x10000 - TM0D) << timer0ClockReload; - UPDATE_REG(0x100, TM0D); - } - timer0On = timer0Value & 0x80 ? true : false; - TM0CNT = timer0Value & 0xC7; - interp_rate(); - UPDATE_REG(0x102, TM0CNT); - // CPUUpdateTicks(); - } - if (timerOnOffDelay & 2) - { - timer1ClockReload = TIMER_TICKS[timer1Value & 3]; - if(!timer1On && (timer1Value & 0x80)) { - // reload the counter - TM1D = timer1Reload; - timer1Ticks = (0x10000 - TM1D) << timer1ClockReload; - UPDATE_REG(0x104, TM1D); - } - timer1On = timer1Value & 0x80 ? true : false; - TM1CNT = timer1Value & 0xC7; - interp_rate(); - UPDATE_REG(0x106, TM1CNT); - } - if (timerOnOffDelay & 4) - { - timer2ClockReload = TIMER_TICKS[timer2Value & 3]; - if(!timer2On && (timer2Value & 0x80)) { - // reload the counter - TM2D = timer2Reload; - timer2Ticks = (0x10000 - TM2D) << timer2ClockReload; - UPDATE_REG(0x108, TM2D); - } - timer2On = timer2Value & 0x80 ? true : false; - TM2CNT = timer2Value & 0xC7; - UPDATE_REG(0x10A, TM2CNT); - } - if (timerOnOffDelay & 8) - { - timer3ClockReload = TIMER_TICKS[timer3Value & 3]; - if(!timer3On && (timer3Value & 0x80)) { - // reload the counter - TM3D = timer3Reload; - timer3Ticks = (0x10000 - TM3D) << timer3ClockReload; - UPDATE_REG(0x10C, TM3D); - } - timer3On = timer3Value & 0x80 ? true : false; - TM3CNT = timer3Value & 0xC7; - UPDATE_REG(0x10E, TM3CNT); - } - cpuNextEvent = CPUUpdateTicks(); - timerOnOffDelay = 0; -} - -u8 cpuBitsSet[256]; -u8 cpuLowestBitSet[256]; - -void CPUInit(const char *biosFileName, bool useBiosFile) -{ -#ifdef WORDS_BIGENDIAN - if(!cpuBiosSwapped) { - for(unsigned int i = 0; i < sizeof(myROM)/4; i++) { - WRITE32LE(&myROM[i], myROM[i]); - } - cpuBiosSwapped = true; - } -#endif - gbaSaveType = 0; - eepromInUse = 0; - saveType = 0; - useBios = false; - - if(useBiosFile) { - int size = 0x4000; - if(utilLoad(biosFileName, - CPUIsGBABios, - bios, - size)) { - if(size == 0x4000) - useBios = true; - else - systemMessage(MSG_INVALID_BIOS_FILE_SIZE, N_("Invalid BIOS file size")); - } - } - - if(!useBios) { - memcpy(bios, myROM, sizeof(myROM)); - } - - int i = 0; - - biosProtected[0] = 0x00; - biosProtected[1] = 0xf0; - biosProtected[2] = 0x29; - biosProtected[3] = 0xe1; - - for(i = 0; i < 256; i++) { - int count = 0; - int j; - for(j = 0; j < 8; j++) - if(i & (1 << j)) - count++; - cpuBitsSet[i] = count; - - for(j = 0; j < 8; j++) - if(i & (1 << j)) - break; - cpuLowestBitSet[i] = j; - } - - for(i = 0; i < 0x400; i++) - ioReadable[i] = true; - for(i = 0x10; i < 0x48; i++) - ioReadable[i] = false; - for(i = 0x4c; i < 0x50; i++) - ioReadable[i] = false; - for(i = 0x54; i < 0x60; i++) - ioReadable[i] = false; - for(i = 0x8c; i < 0x90; i++) - ioReadable[i] = false; - for(i = 0xa0; i < 0xb8; i++) - ioReadable[i] = false; - for(i = 0xbc; i < 0xc4; i++) - ioReadable[i] = false; - for(i = 0xc8; i < 0xd0; i++) - ioReadable[i] = false; - for(i = 0xd4; i < 0xdc; i++) - ioReadable[i] = false; - for(i = 0xe0; i < 0x100; i++) - ioReadable[i] = false; - for(i = 0x110; i < 0x120; i++) - ioReadable[i] = false; - for(i = 0x12c; i < 0x130; i++) - ioReadable[i] = false; - for(i = 0x138; i < 0x140; i++) - ioReadable[i] = false; - for(i = 0x144; i < 0x150; i++) - ioReadable[i] = false; - for(i = 0x15c; i < 0x200; i++) - ioReadable[i] = false; - for(i = 0x20c; i < 0x300; i++) - ioReadable[i] = false; - for(i = 0x304; i < 0x400; i++) - ioReadable[i] = false; - - if(romSize < 0x1fe2000) { - *((u16 *)&rom[0x1fe209c]) = 0xdffa; // SWI 0xFA - *((u16 *)&rom[0x1fe209e]) = 0x4770; // BX LR - } else { - agbPrintEnable(false); - } -} - -void CPUReset() -{ - systemCartridgeRumble(false); - if(gbaSaveType == 0) { - if(eepromInUse) - gbaSaveType = 3; - else - switch(saveType) { - case 1: - gbaSaveType = 1; - break; - case 2: - gbaSaveType = 2; - break; - } - } - rtcReset(); - // clean registers - memset(®[0], 0, sizeof(reg)); - // clean OAM - memset(oam, 0, 0x400); - // clean palette - memset(paletteRAM, 0, 0x400); - // clean picture - memset(pix, 0, 4*160*240); - // clean vram - memset(vram, 0, 0x20000); - // clean io memory - memset(ioMem, 0, 0x400); - - DISPCNT = 0x0080; - DISPSTAT = 0x0000; - VCOUNT = (useBios && !skipBios) ? 0 :0x007E; - BG0CNT = 0x0000; - BG1CNT = 0x0000; - BG2CNT = 0x0000; - BG3CNT = 0x0000; - BG0HOFS = 0x0000; - BG0VOFS = 0x0000; - BG1HOFS = 0x0000; - BG1VOFS = 0x0000; - BG2HOFS = 0x0000; - BG2VOFS = 0x0000; - BG3HOFS = 0x0000; - BG3VOFS = 0x0000; - BG2PA = 0x0100; - BG2PB = 0x0000; - BG2PC = 0x0000; - BG2PD = 0x0100; - BG2X_L = 0x0000; - BG2X_H = 0x0000; - BG2Y_L = 0x0000; - BG2Y_H = 0x0000; - BG3PA = 0x0100; - BG3PB = 0x0000; - BG3PC = 0x0000; - BG3PD = 0x0100; - BG3X_L = 0x0000; - BG3X_H = 0x0000; - BG3Y_L = 0x0000; - BG3Y_H = 0x0000; - WIN0H = 0x0000; - WIN1H = 0x0000; - WIN0V = 0x0000; - WIN1V = 0x0000; - WININ = 0x0000; - WINOUT = 0x0000; - MOSAIC = 0x0000; - BLDMOD = 0x0000; - COLEV = 0x0000; - COLY = 0x0000; - DM0SAD_L = 0x0000; - DM0SAD_H = 0x0000; - DM0DAD_L = 0x0000; - DM0DAD_H = 0x0000; - DM0CNT_L = 0x0000; - DM0CNT_H = 0x0000; - DM1SAD_L = 0x0000; - DM1SAD_H = 0x0000; - DM1DAD_L = 0x0000; - DM1DAD_H = 0x0000; - DM1CNT_L = 0x0000; - DM1CNT_H = 0x0000; - DM2SAD_L = 0x0000; - DM2SAD_H = 0x0000; - DM2DAD_L = 0x0000; - DM2DAD_H = 0x0000; - DM2CNT_L = 0x0000; - DM2CNT_H = 0x0000; - DM3SAD_L = 0x0000; - DM3SAD_H = 0x0000; - DM3DAD_L = 0x0000; - DM3DAD_H = 0x0000; - DM3CNT_L = 0x0000; - DM3CNT_H = 0x0000; - TM0D = 0x0000; - TM0CNT = 0x0000; - TM1D = 0x0000; - TM1CNT = 0x0000; - TM2D = 0x0000; - TM2CNT = 0x0000; - TM3D = 0x0000; - TM3CNT = 0x0000; - P1 = 0x03FF; - IE = 0x0000; - IF = 0x0000; - IME = 0x0000; - - armMode = 0x1F; - - if(cpuIsMultiBoot) { - reg[13].I = 0x03007F00; - reg[15].I = 0x02000000; - reg[16].I = 0x00000000; - reg[R13_IRQ].I = 0x03007FA0; - reg[R13_SVC].I = 0x03007FE0; - armIrqEnable = true; - } else { - if(useBios && !skipBios) { - reg[15].I = 0x00000000; - armMode = 0x13; - armIrqEnable = false; - } else { - reg[13].I = 0x03007F00; - reg[15].I = 0x08000000; - reg[16].I = 0x00000000; - reg[R13_IRQ].I = 0x03007FA0; - reg[R13_SVC].I = 0x03007FE0; - armIrqEnable = true; - } - } - armState = true; - C_FLAG = V_FLAG = N_FLAG = Z_FLAG = false; - UPDATE_REG(0x00, DISPCNT); - UPDATE_REG(0x06, VCOUNT); - UPDATE_REG(0x20, BG2PA); - UPDATE_REG(0x26, BG2PD); - UPDATE_REG(0x30, BG3PA); - UPDATE_REG(0x36, BG3PD); - UPDATE_REG(0x130, P1); - UPDATE_REG(0x88, 0x200); - - // disable FIQ - reg[16].I |= 0x40; - - CPUUpdateCPSR(); - - armNextPC = reg[15].I; - reg[15].I += 4; - - // reset internal state - holdState = false; - holdType = 0; - - biosProtected[0] = 0x00; - biosProtected[1] = 0xf0; - biosProtected[2] = 0x29; - biosProtected[3] = 0xe1; - - lcdTicks = (useBios && !skipBios) ? 1008 : 208; - timer0On = false; - timer0Ticks = 0; - timer0Reload = 0; - timer0ClockReload = 0; - timer1On = false; - timer1Ticks = 0; - timer1Reload = 0; - timer1ClockReload = 0; - timer2On = false; - timer2Ticks = 0; - timer2Reload = 0; - timer2ClockReload = 0; - timer3On = false; - timer3Ticks = 0; - timer3Reload = 0; - timer3ClockReload = 0; - dma0Source = 0; - dma0Dest = 0; - dma1Source = 0; - dma1Dest = 0; - dma2Source = 0; - dma2Dest = 0; - dma3Source = 0; - dma3Dest = 0; - cpuSaveGameFunc = flashSaveDecide; - renderLine = mode0RenderLine; - fxOn = false; - windowOn = false; - frameCount = 0; - saveType = 0; - layerEnable = DISPCNT & layerSettings; - - CPUUpdateRenderBuffers(true); - - for(int i = 0; i < 256; i++) { - map[i].address = (u8 *)&dummyAddress; - map[i].mask = 0; - } - - map[0].address = bios; - map[0].mask = 0x3FFF; - map[2].address = workRAM; - map[2].mask = 0x3FFFF; - map[3].address = internalRAM; - map[3].mask = 0x7FFF; - map[4].address = ioMem; - map[4].mask = 0x3FF; - map[5].address = paletteRAM; - map[5].mask = 0x3FF; - map[6].address = vram; - map[6].mask = 0x1FFFF; - map[7].address = oam; - map[7].mask = 0x3FF; - map[8].address = rom; - map[8].mask = 0x1FFFFFF; - map[9].address = rom; - map[9].mask = 0x1FFFFFF; - map[10].address = rom; - map[10].mask = 0x1FFFFFF; - map[12].address = rom; - map[12].mask = 0x1FFFFFF; - map[14].address = flashSaveMemory; - map[14].mask = 0xFFFF; - - eepromReset(); - flashReset(); - - soundReset(); - - CPUUpdateWindow0(); - CPUUpdateWindow1(); - - // make sure registers are correctly initialized if not using BIOS - if(!useBios) { - if(cpuIsMultiBoot) - BIOS_RegisterRamReset(0xfe); - else - BIOS_RegisterRamReset(0xff); - } else { - if(cpuIsMultiBoot) - BIOS_RegisterRamReset(0xfe); - } - - switch(cpuSaveType) { - case 0: // automatic - cpuSramEnabled = true; - cpuFlashEnabled = true; - cpuEEPROMEnabled = true; - cpuEEPROMSensorEnabled = false; - saveType = gbaSaveType = 0; - break; - case 1: // EEPROM - cpuSramEnabled = false; - cpuFlashEnabled = false; - cpuEEPROMEnabled = true; - cpuEEPROMSensorEnabled = false; - saveType = gbaSaveType = 3; - // EEPROM usage is automatically detected - break; - case 2: // SRAM - cpuSramEnabled = true; - cpuFlashEnabled = false; - cpuEEPROMEnabled = false; - cpuEEPROMSensorEnabled = false; - cpuSaveGameFunc = sramDelayedWrite; // to insure we detect the write - saveType = gbaSaveType = 1; - break; - case 3: // FLASH - cpuSramEnabled = false; - cpuFlashEnabled = true; - cpuEEPROMEnabled = false; - cpuEEPROMSensorEnabled = false; - cpuSaveGameFunc = flashDelayedWrite; // to insure we detect the write - saveType = gbaSaveType = 2; - break; - case 4: // EEPROM+Sensor - cpuSramEnabled = false; - cpuFlashEnabled = false; - cpuEEPROMEnabled = true; - cpuEEPROMSensorEnabled = true; - // EEPROM usage is automatically detected - saveType = gbaSaveType = 3; - break; - case 5: // NONE - cpuSramEnabled = false; - cpuFlashEnabled = false; - cpuEEPROMEnabled = false; - cpuEEPROMSensorEnabled = false; - // no save at all - saveType = gbaSaveType = 5; - break; - } - - ARM_PREFETCH; - - systemSaveUpdateCounter = SYSTEM_SAVE_NOT_UPDATED; - - cpuDmaHack = false; - - lastTime = systemGetClock(); - - SWITicks = 0; -} - -void CPUInterrupt() -{ - u32 PC = reg[15].I; - bool savedState = armState; - CPUSwitchMode(0x12, true, false); - reg[14].I = PC; - if(!savedState) - reg[14].I += 2; - reg[15].I = 0x18; - armState = true; - armIrqEnable = false; - - armNextPC = reg[15].I; - reg[15].I += 4; - ARM_PREFETCH; - - // if(!holdState) - biosProtected[0] = 0x02; - biosProtected[1] = 0xc0; - biosProtected[2] = 0x5e; - biosProtected[3] = 0xe5; -} - -#ifdef SDL -void log(const char *defaultMsg, ...) -{ - char buffer[2048]; - va_list valist; - - va_start(valist, defaultMsg); - vsprintf(buffer, defaultMsg, valist); - - if(out == NULL) { - out = fopen("trace.log","w"); - } - - fputs(buffer, out); - - va_end(valist); -} -#else -extern void winlog(const char *, ...); -#endif - -void CPULoop(int ticks) -{ - int clockTicks; - int timerOverflow = 0; - // variable used by the CPU core - cpuTotalTicks = 0; -#ifdef LINK_EMULATION - if(linkenable) - cpuNextEvent = 1; -#endif - cpuBreakLoop = false; - cpuNextEvent = CPUUpdateTicks(); - if(cpuNextEvent > ticks) - cpuNextEvent = ticks; - - - for(;;) { -#ifndef FINAL_VERSION - if(systemDebug) { - if(systemDebug >= 10 && !holdState) { - CPUUpdateCPSR(); -#ifdef BKPT_SUPPORT - if (debugger_last) - { - sprintf(buffer, "R00=%08x R01=%08x R02=%08x R03=%08x R04=%08x R05=%08x R06=%08x R07=%08x R08=%08x R09=%08x R10=%08x R11=%08x R12=%08x R13=%08x R14=%08x R15=%08x R16=%08x R17=%08x\n", - oldreg[0], oldreg[1], oldreg[2], oldreg[3], oldreg[4], oldreg[5], - oldreg[6], oldreg[7], oldreg[8], oldreg[9], oldreg[10], oldreg[11], - oldreg[12], oldreg[13], oldreg[14], oldreg[15], oldreg[16], - oldreg[17]); - } -#endif - sprintf(buffer, "R00=%08x R01=%08x R02=%08x R03=%08x R04=%08x R05=%08x R06=%08x R07=%08x R08=%08x R09=%08x R10=%08x R11=%08x R12=%08x R13=%08x R14=%08x R15=%08x R16=%08x R17=%08x\n", - reg[0].I, reg[1].I, reg[2].I, reg[3].I, reg[4].I, reg[5].I, - reg[6].I, reg[7].I, reg[8].I, reg[9].I, reg[10].I, reg[11].I, - reg[12].I, reg[13].I, reg[14].I, reg[15].I, reg[16].I, - reg[17].I); -#ifdef SDL - log(buffer); -#else - winlog(buffer); -#endif - } else if(!holdState) { - sprintf(buffer, "PC=%08x\n", armNextPC); -#ifdef SDL - log(buffer); -#else - winlog(buffer); -#endif - } - } -#endif /* FINAL_VERSION */ - - if(!holdState && !SWITicks) { - if(armState) { - if (!armExecute()) - return; - } else { - if (!thumbExecute()) - return; - } - clockTicks = 0; - } else - clockTicks = CPUUpdateTicks(); - - cpuTotalTicks += clockTicks; - - - if(cpuTotalTicks >= cpuNextEvent) { - int remainingTicks = cpuTotalTicks - cpuNextEvent; - - if (SWITicks) - { - SWITicks-=clockTicks; - if (SWITicks<0) - SWITicks = 0; - } - - clockTicks = cpuNextEvent; - cpuTotalTicks = 0; - cpuDmaHack = false; - - updateLoop: - - if (IRQTicks) - { - IRQTicks -= clockTicks; - if (IRQTicks<0) - IRQTicks = 0; - } - - lcdTicks -= clockTicks; - - - if(lcdTicks <= 0) { - if(DISPSTAT & 1) { // V-BLANK - // if in V-Blank mode, keep computing... - if(DISPSTAT & 2) { - lcdTicks += 1008; - VCOUNT++; - UPDATE_REG(0x06, VCOUNT); - DISPSTAT &= 0xFFFD; - UPDATE_REG(0x04, DISPSTAT); - CPUCompareVCOUNT(); - } else { - lcdTicks += 224; - DISPSTAT |= 2; - UPDATE_REG(0x04, DISPSTAT); - if(DISPSTAT & 16) { - IF |= 2; - UPDATE_REG(0x202, IF); - } - } - - if(VCOUNT >= 228) { //Reaching last line - DISPSTAT &= 0xFFFC; - UPDATE_REG(0x04, DISPSTAT); - VCOUNT = 0; - UPDATE_REG(0x06, VCOUNT); - CPUCompareVCOUNT(); - } - } else { - int framesToSkip = systemFrameSkip; - if(speedup) - framesToSkip = 9; // try 6 FPS during speedup - - if(DISPSTAT & 2) { - // if in H-Blank, leave it and move to drawing mode - VCOUNT++; - UPDATE_REG(0x06, VCOUNT); - - lcdTicks += 1008; - DISPSTAT &= 0xFFFD; - if(VCOUNT == 160) { - count++; - systemFrame(); - - if((count % 10) == 0) { - system10Frames(60); - } - if(count == 60) { - u32 time = systemGetClock(); - if(time != lastTime) { - u32 t = 100000/(time - lastTime); - systemShowSpeed(t); - } else - systemShowSpeed(0); - lastTime = time; - count = 0; - } - u32 joy = 0; - // update joystick information - if(systemReadJoypads()) - // read default joystick - joy = systemReadJoypad(-1); - P1 = 0x03FF ^ (joy & 0x3FF); - if(cpuEEPROMSensorEnabled) - systemUpdateMotionSensor(); - UPDATE_REG(0x130, P1); - u16 P1CNT = READ16LE(((u16 *)&ioMem[0x132])); - // this seems wrong, but there are cases where the game - // can enter the stop state without requesting an IRQ from - // the joypad. - if((P1CNT & 0x4000) || stopState) { - u16 p1 = (0x3FF ^ P1) & 0x3FF; - if(P1CNT & 0x8000) { - if(p1 == (P1CNT & 0x3FF)) { - IF |= 0x1000; - UPDATE_REG(0x202, IF); - } - } else { - if(p1 & P1CNT) { - IF |= 0x1000; - UPDATE_REG(0x202, IF); - } - } - } - - u32 ext = (joy >> 10); - // If no (m) code is enabled, apply the cheats at each LCDline - if((cheatsEnabled) && (mastercode==0)) - remainingTicks += cheatsCheckKeys(P1^0x3FF, ext); - speedup = (ext & 1) ? true : false; - capture = (ext & 2) ? true : false; - - if(capture && !capturePrevious) { - captureNumber++; - systemScreenCapture(captureNumber); - } - capturePrevious = capture; - - DISPSTAT |= 1; - DISPSTAT &= 0xFFFD; - UPDATE_REG(0x04, DISPSTAT); - if(DISPSTAT & 0x0008) { - IF |= 1; - UPDATE_REG(0x202, IF); - } - CPUCheckDMA(1, 0x0f); - if(frameCount >= framesToSkip) { - systemDrawScreen(); - frameCount = 0; - } else - frameCount++; - if(systemPauseOnFrame()) - ticks = 0; - } - - UPDATE_REG(0x04, DISPSTAT); - CPUCompareVCOUNT(); - - } else { - if(frameCount >= framesToSkip) - { - (*renderLine)(); - switch(systemColorDepth) { - case 16: - { - u16 *dest = (u16 *)pix + 242 * (VCOUNT+1); - for(int x = 0; x < 240;) { - *dest++ = systemColorMap16[lineMix[x++]&0xFFFF]; - *dest++ = systemColorMap16[lineMix[x++]&0xFFFF]; - *dest++ = systemColorMap16[lineMix[x++]&0xFFFF]; - *dest++ = systemColorMap16[lineMix[x++]&0xFFFF]; - - *dest++ = systemColorMap16[lineMix[x++]&0xFFFF]; - *dest++ = systemColorMap16[lineMix[x++]&0xFFFF]; - *dest++ = systemColorMap16[lineMix[x++]&0xFFFF]; - *dest++ = systemColorMap16[lineMix[x++]&0xFFFF]; - - *dest++ = systemColorMap16[lineMix[x++]&0xFFFF]; - *dest++ = systemColorMap16[lineMix[x++]&0xFFFF]; - *dest++ = systemColorMap16[lineMix[x++]&0xFFFF]; - *dest++ = systemColorMap16[lineMix[x++]&0xFFFF]; - - *dest++ = systemColorMap16[lineMix[x++]&0xFFFF]; - *dest++ = systemColorMap16[lineMix[x++]&0xFFFF]; - *dest++ = systemColorMap16[lineMix[x++]&0xFFFF]; - *dest++ = systemColorMap16[lineMix[x++]&0xFFFF]; - } - // for filters that read past the screen - *dest++ = 0; - } - break; - case 24: - { - u8 *dest = (u8 *)pix + 240 * VCOUNT * 3; - for(int x = 0; x < 240;) { - *((u32 *)dest) = systemColorMap32[lineMix[x++] & 0xFFFF]; - dest += 3; - *((u32 *)dest) = systemColorMap32[lineMix[x++] & 0xFFFF]; - dest += 3; - *((u32 *)dest) = systemColorMap32[lineMix[x++] & 0xFFFF]; - dest += 3; - *((u32 *)dest) = systemColorMap32[lineMix[x++] & 0xFFFF]; - dest += 3; - - *((u32 *)dest) = systemColorMap32[lineMix[x++] & 0xFFFF]; - dest += 3; - *((u32 *)dest) = systemColorMap32[lineMix[x++] & 0xFFFF]; - dest += 3; - *((u32 *)dest) = systemColorMap32[lineMix[x++] & 0xFFFF]; - dest += 3; - *((u32 *)dest) = systemColorMap32[lineMix[x++] & 0xFFFF]; - dest += 3; - - *((u32 *)dest) = systemColorMap32[lineMix[x++] & 0xFFFF]; - dest += 3; - *((u32 *)dest) = systemColorMap32[lineMix[x++] & 0xFFFF]; - dest += 3; - *((u32 *)dest) = systemColorMap32[lineMix[x++] & 0xFFFF]; - dest += 3; - *((u32 *)dest) = systemColorMap32[lineMix[x++] & 0xFFFF]; - dest += 3; - - *((u32 *)dest) = systemColorMap32[lineMix[x++] & 0xFFFF]; - dest += 3; - *((u32 *)dest) = systemColorMap32[lineMix[x++] & 0xFFFF]; - dest += 3; - *((u32 *)dest) = systemColorMap32[lineMix[x++] & 0xFFFF]; - dest += 3; - *((u32 *)dest) = systemColorMap32[lineMix[x++] & 0xFFFF]; - dest += 3; - } - } - break; - case 32: - { - u32 *dest = (u32 *)pix + 241 * (VCOUNT+1); - for(int x = 0; x < 240; ) { - *dest++ = systemColorMap32[lineMix[x++] & 0xFFFF]; - *dest++ = systemColorMap32[lineMix[x++] & 0xFFFF]; - *dest++ = systemColorMap32[lineMix[x++] & 0xFFFF]; - *dest++ = systemColorMap32[lineMix[x++] & 0xFFFF]; - - *dest++ = systemColorMap32[lineMix[x++] & 0xFFFF]; - *dest++ = systemColorMap32[lineMix[x++] & 0xFFFF]; - *dest++ = systemColorMap32[lineMix[x++] & 0xFFFF]; - *dest++ = systemColorMap32[lineMix[x++] & 0xFFFF]; - - *dest++ = systemColorMap32[lineMix[x++] & 0xFFFF]; - *dest++ = systemColorMap32[lineMix[x++] & 0xFFFF]; - *dest++ = systemColorMap32[lineMix[x++] & 0xFFFF]; - *dest++ = systemColorMap32[lineMix[x++] & 0xFFFF]; - - *dest++ = systemColorMap32[lineMix[x++] & 0xFFFF]; - *dest++ = systemColorMap32[lineMix[x++] & 0xFFFF]; - *dest++ = systemColorMap32[lineMix[x++] & 0xFFFF]; - *dest++ = systemColorMap32[lineMix[x++] & 0xFFFF]; - } - } - break; - } - } - // entering H-Blank - DISPSTAT |= 2; - UPDATE_REG(0x04, DISPSTAT); - lcdTicks += 224; - CPUCheckDMA(2, 0x0f); - if(DISPSTAT & 16) { - IF |= 2; - UPDATE_REG(0x202, IF); - } - } - } - } - - // we shouldn't be doing sound in stop state, but we loose synchronization - // if sound is disabled, so in stop state, soundTick will just produce - // mute sound - soundTicks -= clockTicks; - if(soundTicks <= 0) { - psoundTickfn(); - soundTicks += SOUND_CLOCK_TICKS; - } - - if(!stopState) { - if(timer0On) { - timer0Ticks -= clockTicks; - if(timer0Ticks <= 0) { - timer0Ticks += (0x10000 - timer0Reload) << timer0ClockReload; - timerOverflow |= 1; - soundTimerOverflow(0); - if(TM0CNT & 0x40) { - IF |= 0x08; - UPDATE_REG(0x202, IF); - } - } - TM0D = 0xFFFF - (timer0Ticks >> timer0ClockReload); - UPDATE_REG(0x100, TM0D); - } - - if(timer1On) { - if(TM1CNT & 4) { - if(timerOverflow & 1) { - TM1D++; - if(TM1D == 0) { - TM1D += timer1Reload; - timerOverflow |= 2; - soundTimerOverflow(1); - if(TM1CNT & 0x40) { - IF |= 0x10; - UPDATE_REG(0x202, IF); - } - } - UPDATE_REG(0x104, TM1D); - } - } else { - timer1Ticks -= clockTicks; - if(timer1Ticks <= 0) { - timer1Ticks += (0x10000 - timer1Reload) << timer1ClockReload; - timerOverflow |= 2; - soundTimerOverflow(1); - if(TM1CNT & 0x40) { - IF |= 0x10; - UPDATE_REG(0x202, IF); - } - } - TM1D = 0xFFFF - (timer1Ticks >> timer1ClockReload); - UPDATE_REG(0x104, TM1D); - } - } - - if(timer2On) { - if(TM2CNT & 4) { - if(timerOverflow & 2) { - TM2D++; - if(TM2D == 0) { - TM2D += timer2Reload; - timerOverflow |= 4; - if(TM2CNT & 0x40) { - IF |= 0x20; - UPDATE_REG(0x202, IF); - } - } - UPDATE_REG(0x108, TM2D); - } - } else { - timer2Ticks -= clockTicks; - if(timer2Ticks <= 0) { - timer2Ticks += (0x10000 - timer2Reload) << timer2ClockReload; - timerOverflow |= 4; - if(TM2CNT & 0x40) { - IF |= 0x20; - UPDATE_REG(0x202, IF); - } - } - TM2D = 0xFFFF - (timer2Ticks >> timer2ClockReload); - UPDATE_REG(0x108, TM2D); - } - } - - if(timer3On) { - if(TM3CNT & 4) { - if(timerOverflow & 4) { - TM3D++; - if(TM3D == 0) { - TM3D += timer3Reload; - if(TM3CNT & 0x40) { - IF |= 0x40; - UPDATE_REG(0x202, IF); - } - } - UPDATE_REG(0x10C, TM3D); - } - } else { - timer3Ticks -= clockTicks; - if(timer3Ticks <= 0) { - timer3Ticks += (0x10000 - timer3Reload) << timer3ClockReload; - if(TM3CNT & 0x40) { - IF |= 0x40; - UPDATE_REG(0x202, IF); - } - } - TM3D = 0xFFFF - (timer3Ticks >> timer3ClockReload); - UPDATE_REG(0x10C, TM3D); - } - } - } - - timerOverflow = 0; - - - -#ifdef PROFILING - profilingTicks -= clockTicks; - if(profilingTicks <= 0) { - profilingTicks += profilingTicksReload; - if(profilSegment) { - profile_segment *seg = profilSegment; - do { - u16 *b = (u16 *)seg->sbuf; - int pc = ((reg[15].I - seg->s_lowpc) * seg->s_scale)/0x10000; - if(pc >= 0 && pc < seg->ssiz) { - b[pc]++; - break; - } - - seg = seg->next; - } while(seg); - } - } -#endif - - ticks -= clockTicks; -#ifdef LINK_EMULATION - if (linkenable) - LinkUpdate(clockTicks); -#endif - cpuNextEvent = CPUUpdateTicks(); - - if(cpuDmaTicksToUpdate > 0) { - if(cpuDmaTicksToUpdate > cpuNextEvent) - clockTicks = cpuNextEvent; - else - clockTicks = cpuDmaTicksToUpdate; - cpuDmaTicksToUpdate -= clockTicks; - if(cpuDmaTicksToUpdate < 0) - cpuDmaTicksToUpdate = 0; - cpuDmaHack = true; - goto updateLoop; - } -#ifdef LINK_EMULATION - if(linkenable) - cpuNextEvent = 1; -#endif - if(IF && (IME & 1) && armIrqEnable) { - int res = IF & IE; - if(stopState) - res &= 0x3080; - if(res) { - if (intState) - { - if (!IRQTicks) - { - CPUInterrupt(); - intState = false; - holdState = false; - stopState = false; - holdType = 0; - } - } - else - { - if (!holdState) - { - intState = true; - IRQTicks=7; - if (cpuNextEvent> IRQTicks) - cpuNextEvent = IRQTicks; - } - else - { - CPUInterrupt(); - holdState = false; - stopState = false; - holdType = 0; - } - } - - // Stops the SWI Ticks emulation if an IRQ is executed - //(to avoid problems with nested IRQ/SWI) - if (SWITicks) - SWITicks = 0; - } - } - - if(remainingTicks > 0) { - if(remainingTicks > cpuNextEvent) - clockTicks = cpuNextEvent; - else - clockTicks = remainingTicks; - remainingTicks -= clockTicks; - if(remainingTicks < 0) - remainingTicks = 0; - goto updateLoop; - } - - if (timerOnOffDelay) - applyTimer(); - - if(cpuNextEvent > ticks) - cpuNextEvent = ticks; - - if(ticks <= 0 || cpuBreakLoop) - break; - - } - } -} - - - -struct EmulatedSystem GBASystem = { - // emuMain - CPULoop, - // emuReset - CPUReset, - // emuCleanUp - CPUCleanUp, - // emuReadBattery - CPUReadBatteryFile, - // emuWriteBattery - CPUWriteBatteryFile, - // emuReadState - CPUReadState, - // emuWriteState - CPUWriteState, - // emuReadMemState - CPUReadMemState, - // emuWriteMemState - CPUWriteMemState, - // emuWritePNG - CPUWritePNGFile, - // emuWriteBMP - CPUWriteBMPFile, - // emuUpdateCPSR - CPUUpdateCPSR, - // emuHasDebugger - true, - // emuCount -#ifdef FINAL_VERSION - 250000 -#else - 5000 -#endif -}; diff --git a/src/gba/GBAinline.h b/src/gba/GBAinline.h deleted file mode 100644 index caf7994b..00000000 --- a/src/gba/GBAinline.h +++ /dev/null @@ -1,761 +0,0 @@ -#ifndef GBAINLINE_H -#define GBAINLINE_H - -#include "../System.h" -#include "../common/Port.h" -#include "RTC.h" -#include "Sound.h" -#include "agbprint.h" - -extern const u32 objTilesAddress[3]; - -extern bool stopState; -extern bool holdState; -extern int holdType; -extern int cpuNextEvent; -extern bool cpuSramEnabled; -extern bool cpuFlashEnabled; -extern bool cpuEEPROMEnabled; -extern bool cpuEEPROMSensorEnabled; -extern bool cpuDmaHack; -extern u32 cpuDmaLast; -extern bool timer0On; -extern int timer0Ticks; -extern int timer0ClockReload; -extern bool timer1On; -extern int timer1Ticks; -extern int timer1ClockReload; -extern bool timer2On; -extern int timer2Ticks; -extern int timer2ClockReload; -extern bool timer3On; -extern int timer3Ticks; -extern int timer3ClockReload; -extern int cpuTotalTicks; - -#define CPUReadByteQuick(addr) \ - map[(addr)>>24].address[(addr) & map[(addr)>>24].mask] - -#define CPUReadHalfWordQuick(addr) \ - READ16LE(((u16*)&map[(addr)>>24].address[(addr) & map[(addr)>>24].mask])) - -#define CPUReadMemoryQuick(addr) \ - READ32LE(((u32*)&map[(addr)>>24].address[(addr) & map[(addr)>>24].mask])) - -static inline u32 CPUReadMemory(u32 address) -{ -#ifdef GBA_LOGGING - if(address & 3) { - if(systemVerbose & VERBOSE_UNALIGNED_MEMORY) { - log("Unaligned word read: %08x at %08x\n", address, armMode ? - armNextPC - 4 : armNextPC - 2); - } - } -#endif - - u32 value; - switch(address >> 24) { - case 0: - if(reg[15].I >> 24) { - if(address < 0x4000) { -#ifdef GBA_LOGGING - if(systemVerbose & VERBOSE_ILLEGAL_READ) { - log("Illegal word read: %08x at %08x\n", address, armMode ? - armNextPC - 4 : armNextPC - 2); - } -#endif - - value = READ32LE(((u32 *)&biosProtected)); - } - else goto unreadable; - } else - value = READ32LE(((u32 *)&bios[address & 0x3FFC])); - break; - case 2: - value = READ32LE(((u32 *)&workRAM[address & 0x3FFFC])); - break; - case 3: - value = READ32LE(((u32 *)&internalRAM[address & 0x7ffC])); - break; - case 4: - if((address < 0x4000400) && ioReadable[address & 0x3fc]) { - if(ioReadable[(address & 0x3fc) + 2]) - value = READ32LE(((u32 *)&ioMem[address & 0x3fC])); - else - value = READ16LE(((u16 *)&ioMem[address & 0x3fc])); - } else goto unreadable; - break; - case 5: - value = READ32LE(((u32 *)&paletteRAM[address & 0x3fC])); - break; - case 6: - address = (address & 0x1fffc); - if (((DISPCNT & 7) >2) && ((address & 0x1C000) == 0x18000)) - { - value = 0; - break; - } - if ((address & 0x18000) == 0x18000) - address &= 0x17fff; - value = READ32LE(((u32 *)&vram[address])); - break; - case 7: - value = READ32LE(((u32 *)&oam[address & 0x3FC])); - break; - case 8: - // Must be cartridge ROM, reading other sensors doesn't allow 32-bit access. - case 9: - case 10: - case 11: - case 12: - value = READ32LE(((u32 *)&rom[address&0x1FFFFFC])); - - break; - case 13: - if(cpuEEPROMEnabled) - // no need to swap this - return eepromRead(address); - goto unreadable; - case 14: - // Yoshi's Universal Gravitation (Topsy Turvy) - // Koro Koro - if(cpuEEPROMSensorEnabled) { - switch(address & 0x00008f00) { - case 0x8200: - return systemGetSensorX() & 255; - case 0x8300: - return (systemGetSensorX() >> 8)|0x80; - case 0x8400: - return systemGetSensorY() & 255; - case 0x8500: - return systemGetSensorY() >> 8; - } - } - if(cpuFlashEnabled | cpuSramEnabled) - // no need to swap this - return flashRead(address); - // default - default: -unreadable: -#ifdef GBA_LOGGING - if(systemVerbose & VERBOSE_ILLEGAL_READ) { - log("Illegal word read: %08x at %08x\n", address, armMode ? - armNextPC - 4 : armNextPC - 2); - } -#endif - - if(cpuDmaHack) { - value = cpuDmaLast; - } else { - if(armState) { - value = CPUReadMemoryQuick(reg[15].I); - } else { - value = CPUReadHalfWordQuick(reg[15].I) | - CPUReadHalfWordQuick(reg[15].I) << 16; - } - } - } - - if(address & 3) { -#ifdef C_CORE - int shift = (address & 3) << 3; - value = (value >> shift) | (value << (32 - shift)); -#else -#ifdef __GNUC__ - asm("and $3, %%ecx;" - "shl $3 ,%%ecx;" - "ror %%cl, %0" - : "=r" (value) - : "r" (value), "c" (address)); -#else - __asm { - mov ecx, address; - and ecx, 3; - shl ecx, 3; - ror [dword ptr value], cl; - } -#endif -#endif - } - return value; -} - -extern u32 myROM[]; - -static inline u32 CPUReadHalfWord(u32 address) -{ -#ifdef GBA_LOGGING - if(address & 1) { - if(systemVerbose & VERBOSE_UNALIGNED_MEMORY) { - log("Unaligned halfword read: %08x at %08x\n", address, armMode ? - armNextPC - 4 : armNextPC - 2); - } - } -#endif - - u32 value; - - switch(address >> 24) { - case 0: - if (reg[15].I >> 24) { - if(address < 0x4000) { -#ifdef GBA_LOGGING - if(systemVerbose & VERBOSE_ILLEGAL_READ) { - log("Illegal halfword read: %08x at %08x\n", address, armMode ? - armNextPC - 4 : armNextPC - 2); - } -#endif - value = READ16LE(((u16 *)&biosProtected[address&2])); - } else goto unreadable; - } else - value = READ16LE(((u16 *)&bios[address & 0x3FFE])); - break; - case 2: - value = READ16LE(((u16 *)&workRAM[address & 0x3FFFE])); - break; - case 3: - value = READ16LE(((u16 *)&internalRAM[address & 0x7ffe])); - break; - case 4: - if((address < 0x4000400) && ioReadable[address & 0x3fe]) - { - value = READ16LE(((u16 *)&ioMem[address & 0x3fe])); - if (((address & 0x3fe)>0xFF) && ((address & 0x3fe)<0x10E)) - { - if (((address & 0x3fe) == 0x100) && timer0On) - value = 0xFFFF - ((timer0Ticks-cpuTotalTicks) >> timer0ClockReload); - else - if (((address & 0x3fe) == 0x104) && timer1On && !(TM1CNT & 4)) - value = 0xFFFF - ((timer1Ticks-cpuTotalTicks) >> timer1ClockReload); - else - if (((address & 0x3fe) == 0x108) && timer2On && !(TM2CNT & 4)) - value = 0xFFFF - ((timer2Ticks-cpuTotalTicks) >> timer2ClockReload); - else - if (((address & 0x3fe) == 0x10C) && timer3On && !(TM3CNT & 4)) - value = 0xFFFF - ((timer3Ticks-cpuTotalTicks) >> timer3ClockReload); - } - } - else goto unreadable; - break; - case 5: - value = READ16LE(((u16 *)&paletteRAM[address & 0x3fe])); - break; - case 6: - address = (address & 0x1fffe); - if (((DISPCNT & 7) >2) && ((address & 0x1C000) == 0x18000)) - { - value = 0; - break; - } - if ((address & 0x18000) == 0x18000) - address &= 0x17fff; - value = READ16LE(((u16 *)&vram[address])); - break; - case 7: - value = READ16LE(((u16 *)&oam[address & 0x3fe])); - break; - case 8: - // Use existing case statement and faster test for potential speed improvement - // This is possibly the GPIO port that controls the real time clock, - // WarioWare Twisted! tilt sensors, rumble, and solar sensors. - if(address >= 0x80000c4 && address <= 0x80000c8) { - // this function still works if there is no real time clock - // and does a normal memory read in that case. - value = rtcRead(address & 0xFFFFFFE); - break; - } - case 9: - case 10: - case 11: - case 12: - if(address == 0x80000c4 || address == 0x80000c6 || address == 0x80000c8) - value = rtcRead(address); - else - value = READ16LE(((u16 *)&rom[address & 0x1FFFFFE])); - - break; - case 13: - if(cpuEEPROMEnabled) - // no need to swap this - return eepromRead(address); - goto unreadable; - case 14: - // Yoshi's Universal Gravitation (Topsy Turvy) - // Koro Koro - if(cpuEEPROMSensorEnabled) { - switch(address & 0x00008f00) { - case 0x8200: - return systemGetSensorX() & 255; - case 0x8300: - return (systemGetSensorX() >> 8)|0x80; - case 0x8400: - return systemGetSensorY() & 255; - case 0x8500: - return systemGetSensorY() >> 8; - } - } - if(cpuFlashEnabled | cpuSramEnabled) - // no need to swap this - return flashRead(address); - // default - default: -unreadable: -#ifdef GBA_LOGGING - if(systemVerbose & VERBOSE_ILLEGAL_READ) { - log("Illegal halfword read: %08x at %08x\n", address, armMode ? - armNextPC - 4 : armNextPC - 2); - } -#endif - if(cpuDmaHack) { - value = cpuDmaLast & 0xFFFF; - } else { - if(armState) { - value = CPUReadHalfWordQuick(reg[15].I + (address & 2)); - } else { - value = CPUReadHalfWordQuick(reg[15].I); - } - } - break; - } - - if(address & 1) { - value = (value >> 8) | (value << 24); - } - - return value; -} - -static inline u16 CPUReadHalfWordSigned(u32 address) -{ - u16 value = CPUReadHalfWord(address); - if((address & 1)) - value = (s8)value; - return value; -} - -static inline u8 CPUReadByte(u32 address) -{ - switch(address >> 24) { - case 0: - if (reg[15].I >> 24) { - if(address < 0x4000) { -#ifdef GBA_LOGGING - if(systemVerbose & VERBOSE_ILLEGAL_READ) { - log("Illegal byte read: %08x at %08x\n", address, armMode ? - armNextPC - 4 : armNextPC - 2); - } -#endif - return biosProtected[address & 3]; - } else goto unreadable; - } - return bios[address & 0x3FFF]; - case 2: - return workRAM[address & 0x3FFFF]; - case 3: - return internalRAM[address & 0x7fff]; - case 4: - if((address < 0x4000400) && ioReadable[address & 0x3ff]) - return ioMem[address & 0x3ff]; - else goto unreadable; - case 5: - return paletteRAM[address & 0x3ff]; - case 6: - address = (address & 0x1ffff); - if (((DISPCNT & 7) >2) && ((address & 0x1C000) == 0x18000)) - return 0; - if ((address & 0x18000) == 0x18000) - address &= 0x17fff; - return vram[address]; - case 7: - return oam[address & 0x3ff]; - case 8: - // the real time clock doesn't support byte reads, so don't bother checking for it. - case 9: - case 10: - case 11: - case 12: - return rom[address & 0x1FFFFFF]; - - case 13: - if(cpuEEPROMEnabled) - return eepromRead(address); - goto unreadable; - case 14: - // Yoshi's Universal Gravitation (Topsy Turvy) - // Koro Koro - if(cpuEEPROMSensorEnabled) { - switch(address & 0x00008f00) { - case 0x8200: - return systemGetSensorX() & 255; - case 0x8300: - return (systemGetSensorX() >> 8)|0x80; - case 0x8400: - return systemGetSensorY() & 255; - case 0x8500: - return systemGetSensorY() >> 8; - } - } - if(cpuSramEnabled | cpuFlashEnabled) - return flashRead(address); - // default - default: -unreadable: -#ifdef GBA_LOGGING - if(systemVerbose & VERBOSE_ILLEGAL_READ) { - log("Illegal byte read: %08x at %08x\n", address, armMode ? - armNextPC - 4 : armNextPC - 2); - } -#endif - if(cpuDmaHack) { - return cpuDmaLast & 0xFF; - } else { - if(armState) { - return CPUReadByteQuick(reg[15].I+(address & 3)); - } else { - return CPUReadByteQuick(reg[15].I+(address & 1)); - } - } - break; - } -} - -static inline void CPUWriteMemory(u32 address, u32 value) -{ - -#ifdef GBA_LOGGING - if(address & 3) { - if(systemVerbose & VERBOSE_UNALIGNED_MEMORY) { - log("Unaligned word write: %08x to %08x from %08x\n", - value, - address, - armMode ? armNextPC - 4 : armNextPC - 2); - } - } -#endif - - switch(address >> 24) { - case 0x02: -#ifdef BKPT_SUPPORT - if(*((u32 *)&freezeWorkRAM[address & 0x3FFFC])) - cheatsWriteMemory(address & 0x203FFFC, - value); - else -#endif - WRITE32LE(((u32 *)&workRAM[address & 0x3FFFC]), value); - break; - case 0x03: -#ifdef BKPT_SUPPORT - if(*((u32 *)&freezeInternalRAM[address & 0x7ffc])) - cheatsWriteMemory(address & 0x3007FFC, - value); - else -#endif - WRITE32LE(((u32 *)&internalRAM[address & 0x7ffC]), value); - break; - case 0x04: - if(address < 0x4000400) { - CPUUpdateRegister((address & 0x3FC), value & 0xFFFF); - CPUUpdateRegister((address & 0x3FC) + 2, (value >> 16)); - } else goto unwritable; - break; - case 0x05: -#ifdef BKPT_SUPPORT - if(*((u32 *)&freezePRAM[address & 0x3fc])) - cheatsWriteMemory(address & 0x70003FC, - value); - else -#endif - WRITE32LE(((u32 *)&paletteRAM[address & 0x3FC]), value); - break; - case 0x06: - address = (address & 0x1fffc); - if (((DISPCNT & 7) >2) && ((address & 0x1C000) == 0x18000)) - return; - if ((address & 0x18000) == 0x18000) - address &= 0x17fff; - -#ifdef BKPT_SUPPORT - if(*((u32 *)&freezeVRAM[address])) - cheatsWriteMemory(address + 0x06000000, value); - else -#endif - - WRITE32LE(((u32 *)&vram[address]), value); - break; - case 0x07: -#ifdef BKPT_SUPPORT - if(*((u32 *)&freezeOAM[address & 0x3fc])) - cheatsWriteMemory(address & 0x70003FC, - value); - else -#endif - WRITE32LE(((u32 *)&oam[address & 0x3fc]), value); - break; - case 0x0D: - if(cpuEEPROMEnabled) { - eepromWrite(address, value); - break; - } - goto unwritable; - case 0x0E: - if((!eepromInUse) | cpuSramEnabled | cpuFlashEnabled) { - (*cpuSaveGameFunc)(address, (u8)value); - break; - } - // default - default: -unwritable: -#ifdef GBA_LOGGING - if(systemVerbose & VERBOSE_ILLEGAL_WRITE) { - log("Illegal word write: %08x to %08x from %08x\n", - value, - address, - armMode ? armNextPC - 4 : armNextPC - 2); - } -#endif - break; - } -} - -static inline void CPUWriteHalfWord(u32 address, u16 value) -{ -#ifdef GBA_LOGGING - if(address & 1) { - if(systemVerbose & VERBOSE_UNALIGNED_MEMORY) { - log("Unaligned halfword write: %04x to %08x from %08x\n", - value, - address, - armMode ? armNextPC - 4 : armNextPC - 2); - } - } -#endif - - switch(address >> 24) { - case 2: -#ifdef BKPT_SUPPORT - if(*((u16 *)&freezeWorkRAM[address & 0x3FFFE])) - cheatsWriteHalfWord(address & 0x203FFFE, - value); - else -#endif - WRITE16LE(((u16 *)&workRAM[address & 0x3FFFE]),value); - break; - case 3: -#ifdef BKPT_SUPPORT - if(*((u16 *)&freezeInternalRAM[address & 0x7ffe])) - cheatsWriteHalfWord(address & 0x3007ffe, - value); - else -#endif - WRITE16LE(((u16 *)&internalRAM[address & 0x7ffe]), value); - break; - case 4: - if(address < 0x4000400) - CPUUpdateRegister(address & 0x3fe, value); - else goto unwritable; - break; - case 5: -#ifdef BKPT_SUPPORT - if(*((u16 *)&freezePRAM[address & 0x03fe])) - cheatsWriteHalfWord(address & 0x70003fe, - value); - else -#endif - WRITE16LE(((u16 *)&paletteRAM[address & 0x3fe]), value); - break; - case 6: - address = (address & 0x1fffe); - if (((DISPCNT & 7) >2) && ((address & 0x1C000) == 0x18000)) - return; - if ((address & 0x18000) == 0x18000) - address &= 0x17fff; -#ifdef BKPT_SUPPORT - if(*((u16 *)&freezeVRAM[address])) - cheatsWriteHalfWord(address + 0x06000000, - value); - else -#endif - WRITE16LE(((u16 *)&vram[address]), value); - break; - case 7: -#ifdef BKPT_SUPPORT - if(*((u16 *)&freezeOAM[address & 0x03fe])) - cheatsWriteHalfWord(address & 0x70003fe, - value); - else -#endif - WRITE16LE(((u16 *)&oam[address & 0x3fe]), value); - break; - case 8: - case 9: - if(address == 0x80000c4 || address == 0x80000c6 || address == 0x80000c8) { - if(!rtcWrite(address, value)) - goto unwritable; - } else if(!agbPrintWrite(address, value)) goto unwritable; - break; - case 13: - if(cpuEEPROMEnabled) { - eepromWrite(address, (u8)value); - break; - } - goto unwritable; - case 14: - if((!eepromInUse) | cpuSramEnabled | cpuFlashEnabled) { - (*cpuSaveGameFunc)(address, (u8)value); - break; - } - goto unwritable; - default: -unwritable: -#ifdef GBA_LOGGING - if(systemVerbose & VERBOSE_ILLEGAL_WRITE) { - log("Illegal halfword write: %04x to %08x from %08x\n", - value, - address, - armMode ? armNextPC - 4 : armNextPC - 2); - } -#endif - break; - } -} - -static inline void CPUWriteByte(u32 address, u8 b) -{ - switch(address >> 24) { - case 2: -#ifdef BKPT_SUPPORT - if(freezeWorkRAM[address & 0x3FFFF]) - cheatsWriteByte(address & 0x203FFFF, b); - else -#endif - workRAM[address & 0x3FFFF] = b; - break; - case 3: -#ifdef BKPT_SUPPORT - if(freezeInternalRAM[address & 0x7fff]) - cheatsWriteByte(address & 0x3007fff, b); - else -#endif - internalRAM[address & 0x7fff] = b; - break; - case 4: - if(address < 0x4000400) { - switch(address & 0x3FF) { - case 0x60: - case 0x61: - case 0x62: - case 0x63: - case 0x64: - case 0x65: - case 0x68: - case 0x69: - case 0x6c: - case 0x6d: - case 0x70: - case 0x71: - case 0x72: - case 0x73: - case 0x74: - case 0x75: - case 0x78: - case 0x79: - case 0x7c: - case 0x7d: - case 0x80: - case 0x81: - case 0x84: - case 0x85: - case 0x90: - case 0x91: - case 0x92: - case 0x93: - case 0x94: - case 0x95: - case 0x96: - case 0x97: - case 0x98: - case 0x99: - case 0x9a: - case 0x9b: - case 0x9c: - case 0x9d: - case 0x9e: - case 0x9f: - soundEvent(address&0xFF, b); - break; - case 0x301: // HALTCNT, undocumented - if(b == 0x80) - stopState = true; - holdState = 1; - holdType = -1; - cpuNextEvent = cpuTotalTicks; - break; - default: // every other register - u32 lowerBits = address & 0x3fe; - if(address & 1) { - CPUUpdateRegister(lowerBits, (READ16LE(&ioMem[lowerBits]) & 0x00FF) | (b << 8)); - } else { - CPUUpdateRegister(lowerBits, (READ16LE(&ioMem[lowerBits]) & 0xFF00) | b); - } - } - break; - } else goto unwritable; - break; - case 5: - // no need to switch - *((u16 *)&paletteRAM[address & 0x3FE]) = (b << 8) | b; - break; - case 6: - address = (address & 0x1fffe); - if (((DISPCNT & 7) >2) && ((address & 0x1C000) == 0x18000)) - return; - if ((address & 0x18000) == 0x18000) - address &= 0x17fff; - - // no need to switch - // byte writes to OBJ VRAM are ignored - if ((address) < objTilesAddress[((DISPCNT&7)+1)>>2]) - { -#ifdef BKPT_SUPPORT - if(freezeVRAM[address]) - cheatsWriteByte(address + 0x06000000, b); - else -#endif - *((u16 *)&vram[address]) = (b << 8) | b; - } - break; - case 7: - // no need to switch - // byte writes to OAM are ignored - // *((u16 *)&oam[address & 0x3FE]) = (b << 8) | b; - break; - case 13: - if(cpuEEPROMEnabled) { - eepromWrite(address, b); - break; - } - goto unwritable; - case 14: - if ((saveType != 5) && ((!eepromInUse) | cpuSramEnabled | cpuFlashEnabled)) { - - //if(!cpuEEPROMEnabled && (cpuSramEnabled | cpuFlashEnabled)) { - - (*cpuSaveGameFunc)(address, b); - break; - } - // default - default: -unwritable: -#ifdef GBA_LOGGING - if(systemVerbose & VERBOSE_ILLEGAL_WRITE) { - log("Illegal byte write: %02x to %08x from %08x\n", - b, - address, - armMode ? armNextPC - 4 : armNextPC -2 ); - } -#endif - break; - } -} - -#endif // GBAINLINE_H diff --git a/src/gba/RTC.cpp b/src/gba/RTC.cpp deleted file mode 100644 index 878102eb..00000000 --- a/src/gba/RTC.cpp +++ /dev/null @@ -1,279 +0,0 @@ -#include "../System.h" -#include "GBA.h" -#include "Globals.h" -#include "../common/Port.h" -#include "../Util.h" -#include "../NLS.h" - -#include -#include -u8 systemGetSensorDarkness(); -int systemGetSensorZ(); - -enum RTCSTATE { IDLE, COMMAND, DATA, READDATA }; - -typedef struct { - u8 byte0; - u8 byte1; - u8 byte2; - u8 command; - int dataLen; - int bits; - RTCSTATE state; - u8 data[12]; - // reserved variables for future - u8 reserved[12]; - bool reserved2; - u32 reserved3; -} RTCCLOCKDATA; - -static RTCCLOCKDATA rtcClockData; -static bool rtcEnabled = false; -static bool rtcWarioRumbleEnabled = false; - -void rtcEnable(bool e) -{ - rtcEnabled = e; -} - -bool rtcIsEnabled() -{ - return rtcEnabled; -} - -void rtcEnableWarioRumble(bool e) -{ - if (e) rtcEnable(true); - rtcWarioRumbleEnabled = e; -} - -u16 rtcRead(u32 address) -{ - if(rtcEnabled) { - switch(address){ - case 0x80000c8: - return rtcClockData.byte2; - break; - case 0x80000c6: - return rtcClockData.byte1; - break; - case 0x80000c4: - - // Boktai Solar Sensor - if (rtcClockData.byte1 == 7) { - if (rtcClockData.reserved[11] >= systemGetSensorDarkness()) { - rtcClockData.reserved[10] = 0; - rtcClockData.reserved[11] = 0; - return 8; - } else return 0; - - // WarioWare Twisted Tilt Sensor - } else if (rtcClockData.byte1 == 0x0b) { - //sprintf(DebugStr, "Reading Twisted Sensor bit %d", rtcClockData.reserved[11]); - u16 v = systemGetSensorZ(); - return ((v >> rtcClockData.reserved[11]) & 1) << 2; - - // Real Time Clock - } else { - //sprintf(DebugStr, "Reading RTC %02x, %02x, %02x", rtcClockData.byte0, rtcClockData.byte1, rtcClockData.byte2); - return rtcClockData.byte0; - } - break; - } - } -#ifdef USE_VM - return VMRead16( address & 0x1FFFFFE ); -#else - return READ16LE((&rom[address & 0x1FFFFFE])); -#endif -} - -static u8 toBCD(u8 value) -{ - value = value % 100; - int l = value % 10; - int h = value / 10; - return h * 16 + l; -} - -bool rtcWrite(u32 address, u16 value) -{ - if(!rtcEnabled) - return false; - - if(address == 0x80000c8) { - rtcClockData.byte2 = (u8)value; // bit 0 = enable reading from 0x80000c4 c6 and c8 - } else if(address == 0x80000c6) { - rtcClockData.byte1 = (u8)value; // 0=read/1=write (for each of 4 low bits) - // rumble is off when not writing to that pin - if (rtcWarioRumbleEnabled && !(value & 8)) systemCartridgeRumble(false); - } else if(address == 0x80000c4) { // 4 bits of I/O Port Data (upper bits not used) - - // WarioWare Twisted rumble - if(rtcWarioRumbleEnabled && (rtcClockData.byte1 & 8)) { - systemCartridgeRumble(value & 8); - } - - // Boktai solar sensor - if (rtcClockData.byte1 == 7) { - if (value & 2) { - // reset counter to 0 - rtcClockData.reserved[11]=0; - rtcClockData.reserved[10]=0; - } - if ((value & 1) && (!(rtcClockData.reserved[10] & 1))) { - // increase counter, ready to do another read - if (rtcClockData.reserved[11]<255) rtcClockData.reserved[11]++; - } - rtcClockData.reserved[10] = value & rtcClockData.byte1; - } - - // WarioWare Twisted rotation sensor - if (rtcClockData.byte1 == 0xb) { - if (value & 2) { - // clock goes high in preperation for reading a bit - rtcClockData.reserved[11]--; - } - if (value & 1) { - // start ADC conversion - rtcClockData.reserved[11] = 15; - } - - rtcClockData.byte0 = value & rtcClockData.byte1; - - // Real Time Clock - } - /**/ - - if(rtcClockData.byte2 & 1) { // if reading is enabled - if(rtcClockData.state == IDLE && rtcClockData.byte0 == 1 && value == 5) { - rtcClockData.state = COMMAND; - rtcClockData.bits = 0; - rtcClockData.command = 0; - } else if(!(rtcClockData.byte0 & 1) && (value & 1)) { // bit transfer - rtcClockData.byte0 = (u8)value; - switch(rtcClockData.state) { - case COMMAND: - rtcClockData.command |= ((value & 2) >> 1) << (7-rtcClockData.bits); - rtcClockData.bits++; - if(rtcClockData.bits == 8) { - rtcClockData.bits = 0; - switch(rtcClockData.command) { - case 0x60: - // not sure what this command does but it doesn't take parameters - // maybe it is a reset or stop - rtcClockData.state = IDLE; - rtcClockData.bits = 0; - break; - case 0x62: - // this sets the control state but not sure what those values are - rtcClockData.state = READDATA; - rtcClockData.dataLen = 1; - break; - case 0x63: - rtcClockData.dataLen = 1; - rtcClockData.data[0] = 0x40; - rtcClockData.state = DATA; - break; - case 0x64: - break; - case 0x65: - { - struct tm *newtime; - time_t long_time; - - time( &long_time ); /* Get time as long integer. */ - newtime = localtime( &long_time ); /* Convert to local time. */ - - rtcClockData.dataLen = 7; - rtcClockData.data[0] = toBCD(newtime->tm_year); - rtcClockData.data[1] = toBCD(newtime->tm_mon+1); - rtcClockData.data[2] = toBCD(newtime->tm_mday); - rtcClockData.data[3] = toBCD(newtime->tm_wday); - rtcClockData.data[4] = toBCD(newtime->tm_hour); - rtcClockData.data[5] = toBCD(newtime->tm_min); - rtcClockData.data[6] = toBCD(newtime->tm_sec); - rtcClockData.state = DATA; - } - break; - case 0x67: - { - struct tm *newtime; - time_t long_time; - - time( &long_time ); /* Get time as long integer. */ - newtime = localtime( &long_time ); /* Convert to local time. */ - - rtcClockData.dataLen = 3; - rtcClockData.data[0] = toBCD(newtime->tm_hour); - rtcClockData.data[1] = toBCD(newtime->tm_min); - rtcClockData.data[2] = toBCD(newtime->tm_sec); - rtcClockData.state = DATA; - } - break; - default: - systemMessage(0, N_("Unknown RTC command %02x"), rtcClockData.command); - rtcClockData.state = IDLE; - break; - } - } - break; - case DATA: - if(rtcClockData.byte1 & 2) { - } else { - rtcClockData.byte0 = (rtcClockData.byte0 & ~2) | - ((rtcClockData.data[rtcClockData.bits >> 3] >> - (rtcClockData.bits & 7)) & 1)*2; - rtcClockData.bits++; - if(rtcClockData.bits == 8*rtcClockData.dataLen) { - rtcClockData.bits = 0; - rtcClockData.state = IDLE; - } - } - break; - case READDATA: - if(!(rtcClockData.byte1 & 2)) { - } else { - rtcClockData.data[rtcClockData.bits >> 3] = - (rtcClockData.data[rtcClockData.bits >> 3] >> 1) | - ((value << 6) & 128); - rtcClockData.bits++; - if(rtcClockData.bits == 8*rtcClockData.dataLen) { - rtcClockData.bits = 0; - rtcClockData.state = IDLE; - } - } - break; - default: - break; - } - } else - rtcClockData.byte0 = (u8)value; - } - } - return true; -} - -void rtcReset() -{ - memset(&rtcClockData, 0, sizeof(rtcClockData)); - - rtcClockData.byte0 = 0; - rtcClockData.byte1 = 0; - rtcClockData.byte2 = 0; - rtcClockData.command = 0; - rtcClockData.dataLen = 0; - rtcClockData.bits = 0; - rtcClockData.state = IDLE; - rtcClockData.reserved[11] = 0; -} - -void rtcSaveGame(gzFile gzFile) -{ - utilGzWrite(gzFile, &rtcClockData, sizeof(rtcClockData)); -} - -void rtcReadGame(gzFile gzFile) -{ - utilGzRead(gzFile, &rtcClockData, sizeof(rtcClockData)); -} diff --git a/src/gba/RTC.h b/src/gba/RTC.h deleted file mode 100644 index b8d5ceab..00000000 --- a/src/gba/RTC.h +++ /dev/null @@ -1,14 +0,0 @@ -#ifndef RTC_H -#define RTC_H - -u16 rtcRead(u32 address); -bool rtcWrite(u32 address, u16 value); -void rtcEnable(bool); -void rtcEnableWarioRumble(bool); -bool rtcIsEnabled(); -void rtcReset(); - -void rtcReadGame(gzFile gzFile); -void rtcSaveGame(gzFile gzFile); - -#endif // RTC_H