mirror of https://github.com/PCSX2/pcsx2.git
started working on Counters.c still needs more work
git-svn-id: http://pcsx2-playground.googlecode.com/svn/trunk@207 a6443dda-0b58-4228-96e9-037be469359c
This commit is contained in:
cottonvibes
Gregory Hainaut
parent
8f3cb18ee5
commit
44bef02a14
378
pcsx2/Counters.c
378
pcsx2/Counters.c
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@ -22,6 +22,7 @@
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#include "Common.h"
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#include "PsxCommon.h"
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#include "GS.h"
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#include "VU.h"
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u64 profile_starttick = 0;
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u64 profile_totalticks = 0;
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@ -153,28 +154,21 @@ u64 GetCPUTicks()
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}
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void UpdateVSyncRate() {
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if (Config.PsxType & 1) {
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SysPrintf("PAL\n");
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counters[4].Cycle = 227000;
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//if(Config.PsxType & 2)counters[5].rate = PS2VBLANK_PAL_INT;
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//else counters[5].rate = PS2VBLANK_PAL;
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counters[5].Cycle = 720;
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}
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else {
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SysPrintf("NTSC\n");
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counters[4].Cycle = 227000;
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//if(Config.PsxType & 2)counters[5].rate = PS2VBLANK_NTSC_INT;
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//else counters[5].rate = PS2VBLANK_NTSC;
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counters[5].Cycle = 720;
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}
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//if(Config.PsxType & 2)counters[5].rate = (Config.PsxType & 1) ? PS2VBLANK_PAL_INT : PS2VBLANK_NTSC_INT;
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//else counters[5].rate = (Config.PsxType & 1) ? PS2VBLANK_PAL : PS2VBLANK_NTSC;
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hblankend = 0;
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counters[5].mode &= ~0x10000;
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counters[4].sCycleT = cpuRegs.cycle;
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counters[4].CycleT = HBLANKCNT(1);
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counters[4].count = 1;
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counters[5].CycleT = VBLANKCNT(1);
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counters[5].count = 1;
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counters[4].Cycle = 227000;
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counters[5].Cycle = 720;
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counters[4].CycleT = HBLANKCNT(1);
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counters[5].CycleT = VBLANKCNT(1);
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counters[4].sCycleT = cpuRegs.cycle;
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counters[5].sCycleT = cpuRegs.cycle;
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//rcntUpdTarget(4);
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@ -189,11 +183,11 @@ void UpdateVSyncRate() {
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}
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else if (Config.PsxType & 1) {
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iTicks = (GetTickFrequency() / 5000) * 100;
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SysPrintf("Framelimiter rate updated (UpdateVSyncRate): 50 fps\n");
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SysPrintf("Framelimiter rate updated (UpdateVSyncRate): 50 fps Pal\n");
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}
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else {
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iTicks = (GetTickFrequency() / 5994) * 100;
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SysPrintf("Framelimiter rate updated (UpdateVSyncRate): 59.94 fps\n");
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SysPrintf("Framelimiter rate updated (UpdateVSyncRate): 59.94 fps NTSC\n");
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}
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rcntSet();
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}
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@ -228,99 +222,7 @@ extern void DummyExecuteVU1Block(void);
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//static u32 lastWasSkip=0;
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//extern u32 unpacktotal;
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#include "VU.h"
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void VSync()
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{
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if (counters[5].mode & 0x10000) { // VSync End (22 hsyncs)
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// swap the vsync field
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u32 newfield = (*(u32*)(PS2MEM_GS+0x1000)&0x2000) ? 0 : 0x2000;
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*(u32*)(PS2MEM_GS+0x1000) = (*(u32*)(PS2MEM_GS+0x1000) & ~(1<<13)) | newfield;
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iFrame++;
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// wait until GS stops
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if( CHECK_MULTIGS ) {
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GSRingBufSimplePacket(GS_RINGTYPE_VSYNC, newfield, 0, 0);
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}
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else {
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GSvsync(newfield);
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// update here on single thread mode *OBSOLETE*
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if( PAD1update != NULL ) PAD1update(0);
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if( PAD2update != NULL ) PAD2update(1);
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}
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counters[5].mode&= ~0x10000;
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hwIntcIrq(3);
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psxVSyncEnd();
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if(gates)rcntEndGate(0x8);
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SysUpdate();
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// used to limit frames
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switch(CHECK_FRAMELIMIT) {
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case PCSX2_FRAMELIMIT_LIMIT:
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FrameLimiter();
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break;
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case PCSX2_FRAMELIMIT_SKIP:
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case PCSX2_FRAMELIMIT_VUSKIP: //Skips a sequence of consecutive frames after a sequence of rendered frames
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{
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// This is the least number of consecutive frames we will render w/o skipping
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#define noSkipFrames (Config.CustomConsecutiveFrames>0) ? Config.CustomConsecutiveFrames : 2
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// This is the number of consecutive frames we will skip
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#define yesSkipFrames (Config.CustomConsecutiveSkip>0) ? Config.CustomConsecutiveSkip : 2
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static u8 bOkayToSkip = 0;
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static u8 bKeepSkipping = 0;
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static u64 uLastTime = 0;
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// This is some Extra Time to add to our Expected Time to compensate for lack of precision.
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#define extraTimeBuffer 0
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// If uDeltaTime is less than this value, then we can frameskip. (45 & 54 FPS is 90% of fullspeed for Pal & NTSC respectively, the default is to only skip when slower than 90%)
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u64 uExpectedTime = (Config.CustomFrameSkip>0) ? (GetTickFrequency()/Config.CustomFrameSkip + extraTimeBuffer) : ((Config.PsxType&1) ? (GetTickFrequency()/45 + extraTimeBuffer) : (GetTickFrequency()/54 + extraTimeBuffer));
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// This is used for the framelimiter; The user can set a custom FPS limit, if none is specified, used default FPS limit (50fps or 60fps).
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//u64 uLimiterExpectedTime = (Config.CustomFps>0) ? (GetTickFrequency()/Config.CustomFps + extraTimeBuffer) : ((Config.PsxType&1) ? (GetTickFrequency()/50 + extraTimeBuffer) : (GetTickFrequency()/60 + extraTimeBuffer));
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u64 uCurTime = GetCPUTicks();
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u64 uDeltaTime = uCurTime - uLastTime;
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// Don't skip the Very First Frame PCSX2 renders. (This line might not be needed, but was included incase it breaks something.)
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if (uDeltaTime == uCurTime) uDeltaTime = 0;
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if (bOkayToSkip == 0) // If we're done rendering our consecutive frames, its okay to skip.
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{
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if (uDeltaTime > uExpectedTime) // Only skip if running slow.
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{
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//first freeze GS regs THEN send dummy packet
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if( CHECK_MULTIGS ) GSRingBufSimplePacket(GS_RINGTYPE_FRAMESKIP, 1, 0, 0);
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else GSsetFrameSkip(1);
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if( CHECK_FRAMELIMIT == PCSX2_FRAMELIMIT_VUSKIP )
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Cpu->ExecuteVU1Block = DummyExecuteVU1Block;
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bOkayToSkip = noSkipFrames;
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bKeepSkipping = yesSkipFrames;
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}
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}
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else if (bOkayToSkip == noSkipFrames) // If we skipped last frame, unfreeze the GS regs
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{
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if (bKeepSkipping <= 1) {
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//first set VU1 to enabled THEN unfreeze GS regs
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if( CHECK_FRAMELIMIT == PCSX2_FRAMELIMIT_VUSKIP )
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Cpu->ExecuteVU1Block = s_prevExecuteVU1Block;
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if( CHECK_MULTIGS ) GSRingBufSimplePacket(GS_RINGTYPE_FRAMESKIP, 0, 0, 0);
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else GSsetFrameSkip(0);
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bOkayToSkip--;
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}
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else {bKeepSkipping--;}
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}
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else {bOkayToSkip--;}
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//Frame Limit so we don't go over the FPS limit
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FrameLimiter();
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uLastTime = GetCPUTicks();
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break;
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}
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}
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} else { // VSync Start (240 hsyncs)
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void vSyncDebugStuff() {
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#ifdef EE_PROFILING
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if( (iFrame%20) == 0 ) {
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SysPrintf("Profiled Cycles at %d frames %d\n", iFrame, profile_totalticks);
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@ -399,49 +301,135 @@ void VSync()
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}
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}
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#endif
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}
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//SysPrintf("ctrs: %d %d %d %d\n", g_nCounters[0], g_nCounters[1], g_nCounters[2], g_nCounters[3]);
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//SysPrintf("vif: %d\n", (((LARGE_INTEGER*)g_nCounters)->QuadPart * 1000000) / lfreq.QuadPart);
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//memset(g_nCounters, 0, 16);
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__forceinline void frameLimit()
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{
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switch(CHECK_FRAMELIMIT) {
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case PCSX2_FRAMELIMIT_LIMIT:
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FrameLimiter();
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break;
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counters[5].mode|= 0x10000;
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case PCSX2_FRAMELIMIT_SKIP:
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case PCSX2_FRAMELIMIT_VUSKIP: //Skips a sequence of consecutive frames after a sequence of rendered frames
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{
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// This is the least number of consecutive frames we will render w/o skipping
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#define noSkipFrames (Config.CustomConsecutiveFrames>0) ? Config.CustomConsecutiveFrames : 2
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// This is the number of consecutive frames we will skip
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#define yesSkipFrames (Config.CustomConsecutiveSkip>0) ? Config.CustomConsecutiveSkip : 2
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static u8 bOkayToSkip = 0;
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static u8 bKeepSkipping = 0;
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static u64 uLastTime = 0;
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// This is some Extra Time to add to our Expected Time to compensate for lack of precision.
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#define extraTimeBuffer 0
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// If uDeltaTime is less than this value, then we can frameskip. (45 & 54 FPS is 90% of fullspeed for Pal & NTSC respectively, the default is to only skip when slower than 90%)
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u64 uExpectedTime = (Config.CustomFrameSkip>0) ? (GetTickFrequency()/Config.CustomFrameSkip + extraTimeBuffer) : ((Config.PsxType&1) ? (GetTickFrequency()/45 + extraTimeBuffer) : (GetTickFrequency()/54 + extraTimeBuffer));
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// This is used for the framelimiter; The user can set a custom FPS limit, if none is specified, used default FPS limit (50fps or 60fps).
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//u64 uLimiterExpectedTime = (Config.CustomFps>0) ? (GetTickFrequency()/Config.CustomFps + extraTimeBuffer) : ((Config.PsxType&1) ? (GetTickFrequency()/50 + extraTimeBuffer) : (GetTickFrequency()/60 + extraTimeBuffer));
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u64 uCurTime = GetCPUTicks();
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u64 uDeltaTime = uCurTime - uLastTime;
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// Don't skip the Very First Frame PCSX2 renders. (This line might not be needed, but was included incase it breaks something.)
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if (uDeltaTime == uCurTime) uDeltaTime = 0;
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if (bOkayToSkip == 0) // If we're done rendering our consecutive frames, its okay to skip.
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{
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if (uDeltaTime > uExpectedTime) // Only skip if running slow.
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{
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//first freeze GS regs THEN send dummy packet
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if( CHECK_MULTIGS ) GSRingBufSimplePacket(GS_RINGTYPE_FRAMESKIP, 1, 0, 0);
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else GSsetFrameSkip(1);
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if( CHECK_FRAMELIMIT == PCSX2_FRAMELIMIT_VUSKIP )
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Cpu->ExecuteVU1Block = DummyExecuteVU1Block;
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bOkayToSkip = noSkipFrames;
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bKeepSkipping = yesSkipFrames;
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}
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}
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else if (bOkayToSkip == noSkipFrames) // If we skipped last frame, unfreeze the GS regs
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{
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if (bKeepSkipping <= 1) {
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//first set VU1 to enabled THEN unfreeze GS regs
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if( CHECK_FRAMELIMIT == PCSX2_FRAMELIMIT_VUSKIP )
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Cpu->ExecuteVU1Block = s_prevExecuteVU1Block;
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if( CHECK_MULTIGS ) GSRingBufSimplePacket(GS_RINGTYPE_FRAMESKIP, 0, 0, 0);
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else GSsetFrameSkip(0);
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bOkayToSkip--;
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}
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else {bKeepSkipping--;}
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}
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else {bOkayToSkip--;}
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//Frame Limit so we don't go over the FPS limit
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FrameLimiter();
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uLastTime = GetCPUTicks();
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break;
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}
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}
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}
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void VSyncStart() // VSync Start (240 hsyncs)
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{
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vSyncDebugStuff(); // EE Profiling and Debug code
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if ((CSRw & 0x8)) GSCSRr|= 0x8;
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if (!(GSIMR&0x800)) gsIrq();
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if (!(GSIMR&0x800)) gsIrq(); //GS Irq
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hwIntcIrq(2);
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psxVSyncStart();
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hwIntcIrq(2); // HW Irq
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psxVSyncStart(); // psxCounters vSync Start
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if(Config.Patch) applypatch(1);
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if(gates)rcntStartGate(0x8);
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if (Config.Patch) applypatch(1); // Apply patches (ToDo: clean up patch code)
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if (gates) rcntStartGate(0x8); // Counters Start Gate code
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//__Log("%u %u 0\n", cpuRegs.cycle-s_lastvsync[1], timeGetTime()-s_lastvsync[0]);
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//s_lastvsync[0] = timeGetTime();
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//s_lastvsync[1] = cpuRegs.cycle;
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counters[5].mode ^= 0x10000; // Alternate vSync Start/End
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}
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void VSyncEnd() // VSync End (22 hsyncs)
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{
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iFrame++;
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*(u32*)(PS2MEM_GS+0x1000) ^= 0x2000; // swap the vsync field
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// wait until GS stops
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if( CHECK_MULTIGS ) GSRingBufSimplePacket(GS_RINGTYPE_VSYNC, (*(u32*)(PS2MEM_GS+0x1000)&0x2000), 0, 0);
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else {
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GSvsync((*(u32*)(PS2MEM_GS+0x1000)&0x2000));
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// update here on single thread mode *OBSOLETE*
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if( PAD1update != NULL ) PAD1update(0);
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if( PAD2update != NULL ) PAD2update(1);
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}
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hwIntcIrq(3); // HW Irq
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psxVSyncEnd(); // psxCounters vSync End
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if (gates) rcntEndGate(0x8); // Counters End Gate Code
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SysUpdate(); // check for and handle keyevents
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frameLimit(); // limit FPS (also handles frameskip and VUskip)
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counters[5].mode ^= 0x10000; // Alternate vSync Start/End
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}
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void rcntUpdate()
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{
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int i;
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u32 change = 0;
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for (i=0; i<=3; i++) {
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if(gates & (1<<i) ) {
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//SysPrintf("Stopped accidental update of ee counter %x when using a gate\n", i);
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continue;
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}
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if ( gates & (1<<i) ) continue;
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if ((counters[i].mode & 0x80) && (counters[i].mode & 0x3) != 0x3) {
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change = cpuRegs.cycle - counters[i].sCycleT;
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//counters[i].count += (cpuRegs.cycle - counters[i].sCycleT) / counters[i].rate;
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//counters[i].sCycleT = cpuRegs.cycle;
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u32 change = cpuRegs.cycle - counters[i].sCycleT;
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counters[i].count += (int)(change / counters[i].rate);
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change -= (change / counters[i].rate) * counters[i].rate;
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}
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else change = 0;
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counters[i].sCycleT = cpuRegs.cycle - change;
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//if(change > 0) SysPrintf("Change saved on %x = %x\n", i, change);
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}
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else counters[i].sCycleT = cpuRegs.cycle;
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}
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if ((u32)(cpuRegs.cycle - counters[4].sCycleT) >= (u32)counters[4].CycleT && hblankend == 1) {
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if ((u32)(cpuRegs.cycle - counters[4].sCycleT) >= (u32)counters[4].CycleT) {
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if (hblankend == 1) {
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if (CSRw & 0x4) GSCSRr |= 4; // signal
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if (!(GSIMR&0x400)) gsIrq();
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if (gates) rcntEndGate(0);
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@ -450,8 +438,7 @@ void rcntUpdate()
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counters[4].CycleT = HBLANKCNT(counters[4].count);
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}
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else if ((u32)(cpuRegs.cycle - counters[4].sCycleT) >= (u32)counters[4].CycleT) {
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else {
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if(counters[4].count >= counters[4].Cycle) {
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//SysPrintf("%x of %x hblanks reorder in %x cycles cpuRegs.cycle = %x\n", counters[4].count, counters[4].Cycle, cpuRegs.cycle - counters[4].sCycleT, cpuRegs.cycle);
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counters[4].sCycleT += HBLANKCNT(counters[4].Cycle);
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@ -465,18 +452,18 @@ void rcntUpdate()
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rcntStartGate(0);
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psxCheckStartGate(0);
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hblankend = 1;
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//if(cpuRegs.cycle > 0xffff0000 || cpuRegs.cycle < 0x1000
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//SysPrintf("%x hsync done in %x cycles cpuRegs.cycle = %x next will happen on %x\n", counters[4].count, counters[4].CycleT, cpuRegs.cycle, (u32)(counters[4].sCycleT + counters[4].CycleT));
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}
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}
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if((counters[5].mode & 0x10000)) {
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if ((cpuRegs.cycle - counters[5].sCycleT) >= counters[5].CycleT) {
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if (counters[5].mode & 0x10000) {
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//counters[5].sCycleT = cpuRegs.cycle;
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counters[5].CycleT = VBLANKCNT(counters[5].count);
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VSync();
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VSyncEnd();
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}
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}
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else if ((cpuRegs.cycle - counters[5].sCycleT) >= counters[5].CycleT) {
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else {
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if(counters[5].count >= counters[5].Cycle) {
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//SysPrintf("reset %x of %x frames done in %x cycles cpuRegs.cycle = %x\n", counters[5].count, counters[5].Cycle, cpuRegs.cycle - counters[5].sCycleT, cpuRegs.cycle);
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counters[5].sCycleT += VBLANKCNT(counters[5].Cycle);
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@ -486,13 +473,14 @@ void rcntUpdate()
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//counters[5].sCycleT += VBLANKCNT(1); //this line brings back magna carta loading animation, but breaks vsyncs >< (rama)
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counters[5].CycleT = VBLANKCNT(counters[5].count) - (VBLANKCNT(1)/2);
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//SysPrintf("%x frames done in %x cycles cpuRegs.cycle = %x cycletdiff %x\n", counters[5].Cycle, counters[5].sCycleT, cpuRegs.cycle, (counters[5].CycleT - VBLANKCNT(1)) - (cpuRegs.cycle - counters[5].sCycleT));
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VSync();
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VSyncStart();
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}
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}
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for (i=0; i<=3; i++) {
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if (!(counters[i].mode & 0x80)) continue; // Stopped
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if ((s64)(counters[i].target - counters[i].count) <= 0 /*&& (counters[i].target & 0xffff) > 0*/) { // Target interrupt
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if (counters[i].count >= counters[i].target) { // Target interrupt
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//if((counters[i].target > 0xffff)) {
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||||
//SysPrintf("EE Correcting target %x after reset on target\n", i);
|
||||
|
|
@ -502,10 +490,11 @@ void rcntUpdate()
|
|||
if(counters[i].mode & 0x100 ) {
|
||||
|
||||
EECNT_LOG("EE counter %d target reached mode %x count %x target %x\n", i, counters[i].mode, counters[i].count, counters[i].target);
|
||||
counters[i].mode|= 0x0400; // Target flag
|
||||
counters[i].mode|= 0x0400; // Equal Target flag
|
||||
hwIntcIrq(counters[i].interrupt);
|
||||
|
||||
if (counters[i].mode & 0x40) { //The PS2 only resets if the interrupt is enabled - Tested on PS2
|
||||
//counters[i].count = 0;
|
||||
counters[i].count -= counters[i].target; // Reset on target
|
||||
}
|
||||
else counters[i].target += 0x10000000;
|
||||
|
|
@ -521,11 +510,9 @@ void rcntUpdate()
|
|||
hwIntcIrq(counters[i].interrupt);
|
||||
//SysPrintf("counter[%d] overflow interrupt (%x)\n", i, cpuRegs.cycle);
|
||||
}
|
||||
//counters[i].count = 0;
|
||||
counters[i].count -= 0x10000;
|
||||
//if(counters[i].target > 0xffff) {
|
||||
//SysPrintf("EE %x Correcting target on overflow\n", i);
|
||||
counters[i].target &= 0xffff;
|
||||
//}
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -533,63 +520,41 @@ void rcntUpdate()
|
|||
}
|
||||
|
||||
void rcntWcount(int index, u32 value) {
|
||||
u32 change = 0;
|
||||
EECNT_LOG("EE count write %d count %x with %x target %x eecycle %x\n", index, counters[index].count, value, counters[index].target, cpuRegs.eCycle);
|
||||
counters[index].count = value & 0xffff;
|
||||
//if(counters[index].target > 0xffff) {
|
||||
//SysPrintf("EE Counter %x count write, target > 0xffff\n", index);
|
||||
counters[index].target &= 0xffff;
|
||||
//}
|
||||
//rcntUpd(index);
|
||||
|
||||
if((counters[index].mode & 0x3) != 0x3) {
|
||||
change = cpuRegs.cycle - counters[index].sCycleT;
|
||||
//counters[index].sCycleT = cpuRegs.cycle;
|
||||
|
||||
u32 change = cpuRegs.cycle - counters[index].sCycleT;
|
||||
change -= (change / counters[index].rate) * counters[index].rate;
|
||||
counters[index].sCycleT = cpuRegs.cycle - change;
|
||||
}
|
||||
/* else {
|
||||
SysPrintf("EE Counter %x count write %x\n", index, value);
|
||||
}*/
|
||||
|
||||
rcntSet();
|
||||
}
|
||||
|
||||
void rcntWmode(int index, u32 value)
|
||||
{
|
||||
u32 change = 0;
|
||||
|
||||
if (value & 0xc00) { //Clear status flags, the ps2 only clears what is given in the value
|
||||
counters[index].mode &= ~(value & 0xc00);
|
||||
}
|
||||
|
||||
if(counters[index].mode & 0x80) {
|
||||
if((counters[index].mode & 0x3) != 0x3) {
|
||||
change = cpuRegs.cycle - counters[index].sCycleT;
|
||||
//counters[index].count += (cpuRegs.cycle - counters[index].sCycleT) / counters[index].rate;
|
||||
//counters[index].sCycleT = cpuRegs.cycle;
|
||||
|
||||
u32 change = cpuRegs.cycle - counters[index].sCycleT;
|
||||
counters[index].count += (int)(change / counters[index].rate);
|
||||
change -= (change / counters[index].rate) * counters[index].rate;
|
||||
counters[index].sCycleT = cpuRegs.cycle - change;
|
||||
}
|
||||
//if(change != 0) SysPrintf("Weee\n");
|
||||
//counters[index].sCycleT = cpuRegs.cycle - ((cpuRegs.cycle - counters[index].sCycleT) % counters[index].rate);
|
||||
#ifdef PCSX2_DEVBUILD
|
||||
if(!(value & 0x80)) SysPrintf("Stopping\n");
|
||||
#endif
|
||||
}
|
||||
else {
|
||||
#ifdef PCSX2_DEVBUILD
|
||||
SysPrintf("Counter %d not running c%x s%x c%x\n", index, counters[index].count, counters[index].sCycleT, cpuRegs.cycle);
|
||||
if(value & 0x80) SysPrintf("Starting %d, v%x\n", index, value);
|
||||
#endif
|
||||
counters[index].sCycleT = cpuRegs.cycle;
|
||||
}
|
||||
else counters[index].sCycleT = cpuRegs.cycle;
|
||||
|
||||
//if((value & 0x80) && !(counters[index].mode & 0x80)) rcntUpd(index); //Counter wasnt started, so set the start cycle
|
||||
counters[index].mode &= ~(value & 0xc00); //Clear status flags, the ps2 only clears what is given in the value
|
||||
counters[index].mode = (counters[index].mode & 0xc00) | (value & 0x3ff);
|
||||
EECNT_LOG("EE counter set %d mode %x count %x\n", index, counters[index].mode, rcntCycle(index));
|
||||
|
||||
/*if((value & 0x3) && (counters[index].mode & 0x3) != 0x3){
|
||||
//SysPrintf("Syncing %d with HBLANK clock\n", index);
|
||||
counters[index].CycleT = counters[4].CycleT;
|
||||
}*/
|
||||
|
||||
switch (value & 0x3) { //Clock rate divisers *2, they use BUSCLK speed not PS2CLK
|
||||
case 0: counters[index].rate = 2; break;
|
||||
case 1: counters[index].rate = 32; break;
|
||||
|
|
@ -603,8 +568,7 @@ void rcntWmode(int index, u32 value)
|
|||
//counters[index].mode &= ~0x80;
|
||||
}
|
||||
else if (counters[index].mode & 0x4) {
|
||||
// SysPrintf("Gate enable on counter %x mode %x\n", index, counters[index].mode);
|
||||
gates |= 1<<index;
|
||||
gates |= (1<<index);
|
||||
counters[index].mode &= ~0x80;
|
||||
rcntReset(index);
|
||||
}
|
||||
|
|
@ -621,38 +585,29 @@ void rcntWmode(int index, u32 value)
|
|||
void rcntStartGate(unsigned int mode){
|
||||
int i;
|
||||
|
||||
if(mode == 0){
|
||||
for(i = 0; i < 4; i++){ //Update counters using the hblank as the clock
|
||||
if((counters[i].mode & 0x83) == 0x83) counters[i].count++;
|
||||
}
|
||||
}
|
||||
|
||||
for (i=0; i <=3; i++) { //Gates for counters
|
||||
|
||||
if ((mode == 0) && ((counters[i].mode & 0x83) == 0x83)) counters[i].count++; //Update counters using the hblank as the clock
|
||||
if (!(gates & (1<<i))) continue;
|
||||
if ((counters[i].mode & 0x8) != mode) continue;
|
||||
|
||||
//SysPrintf("Gate %d mode %d Start\n", i, (counters[i].mode & 0x30) >> 4);
|
||||
switch((counters[i].mode & 0x30) >> 4) {
|
||||
case 0x0: //Count When Signal is low (off)
|
||||
switch (counters[i].mode & 0x30) {
|
||||
case 0x00: //Count When Signal is low (off)
|
||||
counters[i].count = rcntRcount(i);
|
||||
rcntUpd(i);
|
||||
counters[i].mode &= ~0x80;
|
||||
break;
|
||||
case 0x1: //Reset and start counting on Vsync start
|
||||
counters[i].mode |= 0x80;
|
||||
rcntReset(i);
|
||||
counters[i].target &= 0xffff;
|
||||
break;
|
||||
case 0x2: //Reset and start counting on Vsync end
|
||||
case 0x20: //Reset and start counting on Vsync end
|
||||
//Do Nothing
|
||||
break;
|
||||
case 0x3: //Reset and start counting on Vsync start and end
|
||||
case 0x10: //Reset and start counting on Vsync start
|
||||
case 0x30: //Reset and start counting on Vsync start and end
|
||||
counters[i].mode |= 0x80;
|
||||
rcntReset(i);
|
||||
counters[i].target &= 0xffff;
|
||||
break;
|
||||
default:
|
||||
SysPrintf("EE Start Counter %x Gate error\n", i);
|
||||
break;
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -663,27 +618,20 @@ void rcntEndGate(unsigned int mode) {
|
|||
if (!(gates & (1<<i))) continue;
|
||||
if ((counters[i].mode & 0x8) != mode) continue;
|
||||
//SysPrintf("Gate %d mode %d End\n", i, (counters[i].mode & 0x30) >> 4);
|
||||
switch((counters[i].mode & 0x30) >> 4){
|
||||
case 0x0: //Count When Signal is low (off)
|
||||
switch (counters[i].mode & 0x30) {
|
||||
case 0x00: //Count When Signal is low (off)
|
||||
rcntUpd(i);
|
||||
counters[i].mode |= 0x80;
|
||||
break;
|
||||
case 0x1: //Reset and start counting on Vsync start
|
||||
case 0x10: //Reset and start counting on Vsync start
|
||||
//Do Nothing
|
||||
break;
|
||||
case 0x2: //Reset and start counting on Vsync end
|
||||
case 0x20: //Reset and start counting on Vsync end
|
||||
case 0x30: //Reset and start counting on Vsync start and end
|
||||
counters[i].mode |= 0x80;
|
||||
rcntReset(i);
|
||||
counters[i].target &= 0xffff;
|
||||
break;
|
||||
case 0x3: //Reset and start counting on Vsync start and end
|
||||
counters[i].mode |= 0x80;
|
||||
rcntReset(i);
|
||||
counters[i].target &= 0xffff;
|
||||
break;
|
||||
default:
|
||||
SysPrintf("EE Start Counter %x Gate error\n", i);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -691,6 +639,7 @@ void rcntWtarget(int index, u32 value) {
|
|||
|
||||
EECNT_LOG("EE target write %d target %x value %x\n", index, counters[index].target, value);
|
||||
counters[index].target = value & 0xffff;
|
||||
|
||||
if (counters[index].target <= rcntCycle(index)/* && counters[index].target != 0*/) {
|
||||
//SysPrintf("EE Saving target %d from early trigger, target = %x, count = %x\n", index, counters[index].target, rcntCycle(index));
|
||||
counters[index].target += 0x10000000;
|
||||
|
|
@ -700,7 +649,8 @@ void rcntWtarget(int index, u32 value) {
|
|||
|
||||
void rcntWhold(int index, u32 value) {
|
||||
EECNT_LOG("EE hold write %d value %x\n", index, value);
|
||||
counters[index].hold = value;
|
||||
if (value & 0xffff0000) SysPrintf("rcntWhold: bad value\n");
|
||||
counters[index].hold = value & 0xffff;
|
||||
}
|
||||
|
||||
u32 rcntRcount(int index) {
|
||||
|
|
|
|||
Loading…
Reference in New Issue