BizHawk/libsnes/bsnes/target-libsnes/libsnes.cpp

765 lines
24 KiB
C++

#include "libsnes.hpp"
#include <snes/snes.hpp>
#include <nall/snes/cartridge.hpp>
#include <nall/gameboy/cartridge.hpp>
#include <queue>
#include <Windows.h>
using namespace nall;
struct Interface : public SNES::Interface {
typedef SNES::Interface BaseType;
snes_video_refresh_t pvideo_refresh;
snes_audio_sample_t paudio_sample;
snes_input_poll_t pinput_poll;
snes_input_state_t pinput_state;
snes_input_notify_t pinput_notify;
snes_path_request_t ppath_request;
snes_allocSharedMemory_t pallocSharedMemory;
snes_freeSharedMemory_t pfreeSharedMemory;
snes_trace_t ptrace;
string basename;
uint32_t *buffer;
uint32_t *palette;
//zero 11-sep-2012
time_t randomSeed() { return 0; }
//zero 26-sep-2012
std::queue<nall::string> messages;
//zero 17-oct-2012
int backdropColor;
int getBackdropColor()
{
return backdropColor;
}
void videoRefresh(const uint32_t *data, bool hires, bool interlace, bool overscan) {
unsigned width = hires ? 512 : 256;
unsigned height = overscan ? 239 : 224;
unsigned pitch = 1024 >> interlace;
if(interlace) height <<= 1;
data += 9 * 1024; //skip front porch
for(unsigned y = 0; y < height; y++) {
const uint32_t *sp = data + y * pitch;
uint32_t *dp = buffer + y * pitch;
for(unsigned x = 0; x < width; x++) {
*dp++ = palette[*sp++];
}
}
if(pvideo_refresh) pvideo_refresh(buffer, width, height);
if(pinput_poll) pinput_poll();
}
void audioSample(int16_t left, int16_t right) {
if(paudio_sample) return paudio_sample(left, right);
}
//zero 27-sep-2012
snes_scanlineStart_t pScanlineStart;
void scanlineStart(int line)
{
if(pScanlineStart) pScanlineStart((int)line);
}
int16_t inputPoll(bool port, SNES::Input::Device device, unsigned index, unsigned id) {
if(pinput_state) return pinput_state(port?1:0, (unsigned)device, index, id);
return 0;
}
void inputNotify(int index) {
if (pinput_notify) pinput_notify(index);
}
void message(const string &text) {
messages.push(text);
}
void cpuTrace(const char *msg) {
if (ptrace)
ptrace((const char *)msg);
}
string path(SNES::Cartridge::Slot slot, const string &hint)
{
if(ppath_request)
{
const char* path = ppath_request((int)slot, (const char*)hint);
return path;
}
return { basename, hint };
}
//zero 23-dec-2012
void* allocSharedMemory(const char* memtype, size_t amt, int initialByte = -1)
{
void* ret;
//if pallocSharedMemory isnt set up yet, we're going to have serious problems
ret = pallocSharedMemory(memtype,amt);
if(initialByte != -1)
{
for(unsigned i = 0; i < amt; i++) ((uint8*)ret)[i] = (uint8)initialByte;
}
return ret;
}
void freeSharedMemory(void* ptr)
{
if(!pfreeSharedMemory) return; //??
pfreeSharedMemory(ptr);
}
Interface() :
pvideo_refresh(0),
paudio_sample(0),
pinput_poll(0),
pinput_state(0),
pinput_notify(0),
ppath_request(0),
pScanlineStart(0),
pallocSharedMemory(0),
pfreeSharedMemory(0),
backdropColor(-1),
ptrace(0)
{
buffer = new uint32_t[512 * 480];
palette = new uint32_t[16 * 32768];
}
~Interface() {
delete[] buffer;
delete[] palette;
}
};
void pwrap_init();
static Interface *iface = nullptr;
namespace SNES {
SNES::Interface *interface()
{
if(iface != nullptr) return iface;
iface = new ::Interface();
pwrap_init();
return iface;
}
}
const char* snes_library_id(void) {
static string version = {"bsnes v", Version};
return version;
}
unsigned snes_library_revision_major(void) {
return 1;
}
unsigned snes_library_revision_minor(void) {
return 3;
}
void snes_set_allocSharedMemory(snes_allocSharedMemory_t cb)
{
iface->pallocSharedMemory = cb;
}
void snes_set_freeSharedMemory(snes_freeSharedMemory_t cb)
{
iface->pfreeSharedMemory = cb;
}
void snes_set_video_refresh(snes_video_refresh_t video_refresh) {
iface->pvideo_refresh = video_refresh;
}
void snes_set_color_lut(uint32_t * colors) {
for (int i = 0; i < 16 * 32768; i++)
iface->palette[i] = colors[i];
}
void snes_set_audio_sample(snes_audio_sample_t audio_sample) {
iface->paudio_sample = audio_sample;
}
void snes_set_input_poll(snes_input_poll_t input_poll) {
iface->pinput_poll = input_poll;
}
void snes_set_input_state(snes_input_state_t input_state) {
iface->pinput_state = input_state;
}
void snes_set_input_notify(snes_input_notify_t input_notify) {
iface->pinput_notify = input_notify;
}
void snes_set_path_request(snes_path_request_t path_request)
{
iface->ppath_request = path_request;
}
void snes_set_controller_port_device(bool port, unsigned device) {
SNES::input.connect(port, (SNES::Input::Device)device);
}
void snes_set_cartridge_basename(const char *basename) {
iface->basename = basename;
}
template<typename T> inline void reconstruct(T* t) {
t->~T();
memset(t,0,sizeof(*t));
new(t) T();
}
void snes_init(void) {
//force everything to get initialized, even though it probably already is
SNES::interface();
//zero 01-sep-2014 - this is too slow. made rewind totally boring. made other edits to firmware chips to preserve their roms instead
//zero 22-may-2014 - why not this too, for the sake of completeness?
//reconstruct(&SNES::cartridge);
//zero 01-dec-2012 - due to systematic variable initialization fails in bsnes components, these reconstructions are necessary,
//and the previous comment here which called this paranoid has been removed.
reconstruct(&SNES::icd2);
reconstruct(&SNES::nss);
reconstruct(&SNES::superfx);
reconstruct(&SNES::sa1);
reconstruct(&SNES::necdsp);
reconstruct(&SNES::hitachidsp);
reconstruct(&SNES::armdsp);
reconstruct(&SNES::bsxsatellaview);
reconstruct(&SNES::bsxcartridge);
reconstruct(&SNES::bsxflash);
reconstruct(&SNES::srtc); SNES::srtc.initialize();
reconstruct(&SNES::sdd1);
reconstruct(&SNES::spc7110); SNES::spc7110.initialize();
reconstruct(&SNES::obc1);
reconstruct(&SNES::msu1);
reconstruct(&SNES::link);
reconstruct(&SNES::video);
reconstruct(&SNES::audio);
//zero 01-dec-2012 - forgot to do all these. massive desync chaos!
//remove these to make it easier to find initialization fails in the component power-ons / constructors / etc.
//or just forget about it. this snes_init gets called paranoidly frequently by bizhawk, so things should stay zeroed correctly
reconstruct(&SNES::cpu); SNES::cpu.initialize();
reconstruct(&SNES::smp); SNES::smp.initialize();
reconstruct(&SNES::dsp);
reconstruct(&SNES::ppu);
SNES::ppu.initialize();
SNES::system.init();
//zero 26-aug-2013 - yup. still more
reconstruct(&GameBoy::cpu); GameBoy::cpu.initialize();
SNES::input.connect(SNES::Controller::Port1, SNES::Input::Device::Joypad);
SNES::input.connect(SNES::Controller::Port2, SNES::Input::Device::Joypad);
}
void snes_term(void) {
SNES::system.term();
}
void snes_power(void) {
SNES::system.power();
}
void snes_reset(void) {
SNES::system.reset();
}
void snes_run(void) {
SNES::system.run();
}
unsigned snes_serialize_size(void) {
return SNES::system.serialize_size();
}
bool snes_serialize(uint8_t *data, unsigned size) {
SNES::system.runtosave();
serializer s = SNES::system.serialize();
if(s.size() > size) return false;
memcpy(data, s.data(), s.size());
return true;
}
bool snes_unserialize(const uint8_t *data, unsigned size) {
serializer s(data, size);
return SNES::system.unserialize(s);
}
struct CheatList {
bool enable;
string code;
CheatList() : enable(false) {}
};
static linear_vector<CheatList> cheatList;
void snes_cheat_reset(void) {
cheatList.reset();
GameBoy::cheat.reset();
GameBoy::cheat.synchronize();
SNES::cheat.reset();
SNES::cheat.synchronize();
}
void snes_cheat_set(unsigned index, bool enable, const char *code) {
cheatList[index].enable = enable;
cheatList[index].code = code;
lstring list;
for(unsigned n = 0; n < cheatList.size(); n++) {
if(cheatList[n].enable) list.append(cheatList[n].code);
}
if(SNES::cartridge.mode() == SNES::Cartridge::Mode::SuperGameBoy) {
GameBoy::cheat.reset();
for(auto &code : list) {
lstring codelist;
codelist.split("+", code);
for(auto &part : codelist) {
unsigned addr, data, comp;
if(GameBoy::Cheat::decode(part, addr, data, comp)) {
GameBoy::cheat.append({ addr, data, comp });
}
}
}
GameBoy::cheat.synchronize();
return;
}
SNES::cheat.reset();
for(auto &code : list) {
lstring codelist;
codelist.split("+", code);
for(auto &part : codelist) {
unsigned addr, data;
if(SNES::Cheat::decode(part, addr, data)) {
SNES::cheat.append({ addr, data });
}
}
}
SNES::cheat.synchronize();
}
//zero 21-sep-2012
void snes_set_scanlineStart(snes_scanlineStart_t cb)
{
iface->pScanlineStart = cb;
}
//zero 03-sep-2012
bool snes_check_cartridge(const uint8_t *rom_data, unsigned rom_size)
{
//tries to determine whether this rom is a snes rom - BUT THIS TRIES TO ACCEPT EVERYTHING! so we cant really use it
SnesCartridge temp(rom_data, rom_size);
return temp.type != SnesCartridge::TypeUnknown && temp.type != SnesCartridge::TypeGameBoy;
}
//zero 05-sep-2012
int snes_peek_logical_register(int reg)
{
switch(reg)
{
//$2105
//zero 17-may-2014 TODO - enable these for other profiles
#if !defined(PROFILE_PERFORMANCE) && !defined(PROFILE_ACCURACY)
case SNES_REG_BG_MODE: return SNES::ppu.regs.bg_mode;
case SNES_REG_BG3_PRIORITY: return SNES::ppu.regs.bg3_priority;
case SNES_REG_BG1_TILESIZE: return SNES::ppu.regs.bg_tilesize[SNES::PPU::BG1];
case SNES_REG_BG2_TILESIZE: return SNES::ppu.regs.bg_tilesize[SNES::PPU::BG2];
case SNES_REG_BG3_TILESIZE: return SNES::ppu.regs.bg_tilesize[SNES::PPU::BG3];
case SNES_REG_BG4_TILESIZE: return SNES::ppu.regs.bg_tilesize[SNES::PPU::BG4];
//$2107
case SNES_REG_BG1_SCADDR: return SNES::ppu.regs.bg_scaddr[SNES::PPU::BG1]>>9;
case SNES_REG_BG1_SCSIZE: return SNES::ppu.regs.bg_scsize[SNES::PPU::BG1];
//$2108
case SNES_REG_BG2_SCADDR: return SNES::ppu.regs.bg_scaddr[SNES::PPU::BG2]>>9;
case SNES_REG_BG2_SCSIZE: return SNES::ppu.regs.bg_scsize[SNES::PPU::BG2];
//$2109
case SNES_REG_BG3_SCADDR: return SNES::ppu.regs.bg_scaddr[SNES::PPU::BG3]>>9;
case SNES_REG_BG3_SCSIZE: return SNES::ppu.regs.bg_scsize[SNES::PPU::BG3];
//$210A
case SNES_REG_BG4_SCADDR: return SNES::ppu.regs.bg_scaddr[SNES::PPU::BG4]>>9;
case SNES_REG_BG4_SCSIZE: return SNES::ppu.regs.bg_scsize[SNES::PPU::BG4];
//$210B
case SNES_REG_BG1_TDADDR: return SNES::ppu.regs.bg_tdaddr[SNES::PPU::BG1]>>13;
case SNES_REG_BG2_TDADDR: return SNES::ppu.regs.bg_tdaddr[SNES::PPU::BG2]>>13;
//$210C
case SNES_REG_BG3_TDADDR: return SNES::ppu.regs.bg_tdaddr[SNES::PPU::BG3]>>13;
case SNES_REG_BG4_TDADDR: return SNES::ppu.regs.bg_tdaddr[SNES::PPU::BG4]>>13;
//$2133 SETINI
case SNES_REG_SETINI_MODE7_EXTBG: return SNES::ppu.regs.mode7_extbg?1:0;
case SNES_REG_SETINI_HIRES: return SNES::ppu.regs.pseudo_hires?1:0;
case SNES_REG_SETINI_OVERSCAN: return SNES::ppu.regs.overscan?1:0;
case SNES_REG_SETINI_OBJ_INTERLACE: return SNES::ppu.regs.oam_interlace?1:0;
case SNES_REG_SETINI_SCREEN_INTERLACE: return SNES::ppu.regs.interlace?1:0;
//$2130 CGWSEL
case SNES_REG_CGWSEL_COLORMASK: return SNES::ppu.regs.color_mask;
case SNES_REG_CGWSEL_COLORSUBMASK: return SNES::ppu.regs.colorsub_mask;
case SNES_REG_CGWSEL_ADDSUBMODE: return SNES::ppu.regs.addsub_mode?1:0;
case SNES_REG_CGWSEL_DIRECTCOLOR: return SNES::ppu.regs.direct_color?1:0;
//$2101 OBSEL
case SNES_REG_OBSEL_NAMEBASE: return SNES::ppu.regs.oam_tdaddr>>14;
case SNES_REG_OBSEL_NAMESEL: return SNES::ppu.regs.oam_nameselect;
case SNES_REG_OBSEL_SIZE: return SNES::ppu.regs.oam_basesize;
//$2131 CGADSUB
//enum { BG1 = 0, BG2 = 1, BG3 = 2, BG4 = 3, OAM = 4, BACK = 5, COL = 5 };
case SNES_REG_CGADSUB_MODE: return SNES::ppu.regs.color_mode;
case SNES_REG_CGADSUB_HALF: return SNES::ppu.regs.color_halve;
case SNES_REG_CGADSUB_BG4: return SNES::ppu.regs.color_enabled[3];
case SNES_REG_CGADSUB_BG3: return SNES::ppu.regs.color_enabled[2];
case SNES_REG_CGADSUB_BG2: return SNES::ppu.regs.color_enabled[1];
case SNES_REG_CGADSUB_BG1: return SNES::ppu.regs.color_enabled[0];
case SNES_REG_CGADSUB_OBJ: return SNES::ppu.regs.color_enabled[4];
case SNES_REG_CGADSUB_BACKDROP: return SNES::ppu.regs.color_enabled[5];
//$212C TM
case SNES_REG_TM_BG1: return SNES::ppu.regs.bg_enabled[0];
case SNES_REG_TM_BG2: return SNES::ppu.regs.bg_enabled[1];
case SNES_REG_TM_BG3: return SNES::ppu.regs.bg_enabled[2];
case SNES_REG_TM_BG4: return SNES::ppu.regs.bg_enabled[3];
case SNES_REG_TM_OBJ: return SNES::ppu.regs.bg_enabled[4];
//$212D TM
case SNES_REG_TS_BG1: return SNES::ppu.regs.bgsub_enabled[0];
case SNES_REG_TS_BG2: return SNES::ppu.regs.bgsub_enabled[1];
case SNES_REG_TS_BG3: return SNES::ppu.regs.bgsub_enabled[2];
case SNES_REG_TS_BG4: return SNES::ppu.regs.bgsub_enabled[3];
case SNES_REG_TS_OBJ: return SNES::ppu.regs.bgsub_enabled[4];
//Mode7 regs
case SNES_REG_M7SEL_REPEAT: return SNES::ppu.regs.mode7_repeat;
case SNES_REG_M7SEL_HFLIP: return SNES::ppu.regs.mode7_vflip;
case SNES_REG_M7SEL_VFLIP: return SNES::ppu.regs.mode7_hflip;
case SNES_REG_M7A: return SNES::ppu.regs.m7a;
case SNES_REG_M7B: return SNES::ppu.regs.m7b;
case SNES_REG_M7C: return SNES::ppu.regs.m7c;
case SNES_REG_M7D: return SNES::ppu.regs.m7d;
case SNES_REG_M7X: return SNES::ppu.regs.m7x;
case SNES_REG_M7Y: return SNES::ppu.regs.m7y;
//BG scroll regs
case SNES_REG_BG1HOFS: return SNES::ppu.regs.bg_hofs[0] & 0x3FF;
case SNES_REG_BG1VOFS: return SNES::ppu.regs.bg_vofs[0] & 0x3FF;
case SNES_REG_BG2HOFS: return SNES::ppu.regs.bg_hofs[1] & 0x3FF;
case SNES_REG_BG2VOFS: return SNES::ppu.regs.bg_vofs[1] & 0x3FF;
case SNES_REG_BG3HOFS: return SNES::ppu.regs.bg_hofs[2] & 0x3FF;
case SNES_REG_BG3VOFS: return SNES::ppu.regs.bg_vofs[2] & 0x3FF;
case SNES_REG_BG4HOFS: return SNES::ppu.regs.bg_hofs[3] & 0x3FF;
case SNES_REG_BG4VOFS: return SNES::ppu.regs.bg_vofs[3] & 0x3FF;
case SNES_REG_M7HOFS: return SNES::ppu.regs.m7_hofs & 0x1FFF; //rememebr to make these signed with <<19>>19
case SNES_REG_M7VOFS: return SNES::ppu.regs.m7_vofs & 0x1FFF; //rememebr to make these signed with <<19>>19
#endif
}
return 0;
}
bool snes_load_cartridge_normal(
const char *rom_xml, const uint8_t *rom_data, unsigned rom_size
) {
snes_cheat_reset();
if(rom_data) SNES::cartridge.rom.copy(rom_data, rom_size);
string xmlrom = (rom_xml && *rom_xml) ? string(rom_xml) : SnesCartridge(rom_data, rom_size).markup;
SNES::cartridge.load(SNES::Cartridge::Mode::Normal, { xmlrom });
SNES::system.power();
return true;
}
bool snes_load_cartridge_bsx_slotted(
const char *rom_xml, const uint8_t *rom_data, unsigned rom_size,
const char *bsx_xml, const uint8_t *bsx_data, unsigned bsx_size
) {
snes_cheat_reset();
if(rom_data) SNES::cartridge.rom.copy(rom_data, rom_size);
string xmlrom = (rom_xml && *rom_xml) ? string(rom_xml) : SnesCartridge(rom_data, rom_size).markup;
if(bsx_data) SNES::bsxflash.memory.copy(bsx_data, bsx_size);
string xmlbsx = (bsx_xml && *bsx_xml) ? string(bsx_xml) : SnesCartridge(bsx_data, bsx_size).markup;
SNES::cartridge.load(SNES::Cartridge::Mode::BsxSlotted, xmlrom);
SNES::system.power();
return true;
}
bool snes_load_cartridge_bsx(
const char *rom_xml, const uint8_t *rom_data, unsigned rom_size,
const char *bsx_xml, const uint8_t *bsx_data, unsigned bsx_size
) {
snes_cheat_reset();
if(rom_data) SNES::cartridge.rom.copy(rom_data, rom_size);
string xmlrom = (rom_xml && *rom_xml) ? string(rom_xml) : SnesCartridge(rom_data, rom_size).markup;
if(bsx_data) SNES::bsxflash.memory.copy(bsx_data, bsx_size);
string xmlbsx = (bsx_xml && *bsx_xml) ? string(bsx_xml) : SnesCartridge(bsx_data, bsx_size).markup;
SNES::cartridge.load(SNES::Cartridge::Mode::Bsx, xmlrom);
SNES::system.power();
return true;
}
bool snes_load_cartridge_sufami_turbo(
const char *rom_xml, const uint8_t *rom_data, unsigned rom_size,
const char *sta_xml, const uint8_t *sta_data, unsigned sta_size,
const char *stb_xml, const uint8_t *stb_data, unsigned stb_size
) {
snes_cheat_reset();
if(rom_data) SNES::cartridge.rom.copy(rom_data, rom_size);
string xmlrom = (rom_xml && *rom_xml) ? string(rom_xml) : SnesCartridge(rom_data, rom_size).markup;
if(sta_data) SNES::sufamiturbo.slotA.rom.copy(sta_data, sta_size);
string xmlsta = (sta_xml && *sta_xml) ? string(sta_xml) : SnesCartridge(sta_data, sta_size).markup;
if(stb_data) SNES::sufamiturbo.slotB.rom.copy(stb_data, stb_size);
string xmlstb = (stb_xml && *stb_xml) ? string(stb_xml) : SnesCartridge(stb_data, stb_size).markup;
SNES::cartridge.load(SNES::Cartridge::Mode::SufamiTurbo, xmlrom);
SNES::system.power();
return true;
}
bool snes_load_cartridge_super_game_boy(
const char *rom_xml, const uint8_t *rom_data, unsigned rom_size,
const char *dmg_xml, const uint8_t *dmg_data, unsigned dmg_size
) {
snes_cheat_reset();
if(rom_data) SNES::cartridge.rom.copy(rom_data, rom_size);
string xmlrom = (rom_xml && *rom_xml) ? string(rom_xml) : SnesCartridge(rom_data, rom_size).markup;
if(dmg_data) {
//GameBoyCartridge needs to modify dmg_data (for MMM01 emulation); so copy data
uint8_t *data = new uint8_t[dmg_size];
memcpy(data, dmg_data, dmg_size);
string xmldmg = (dmg_xml && *dmg_xml) ? string(dmg_xml) : GameBoyCartridge(data, dmg_size).markup;
GameBoy::cartridge.load(GameBoy::System::Revision::SuperGameBoy, xmldmg, data, dmg_size);
delete[] data;
}
SNES::cartridge.load(SNES::Cartridge::Mode::SuperGameBoy, xmlrom);
SNES::system.power();
return true;
}
void snes_unload_cartridge(void) {
SNES::cartridge.unload();
}
bool snes_get_region(void) {
return SNES::system.region() == SNES::System::Region::NTSC ? 0 : 1;
}
uint8_t* snes_get_memory_data(unsigned id) {
if(SNES::cartridge.loaded() == false) return 0;
switch(id) {
case SNES_MEMORY_CARTRIDGE_RAM:
return SNES::cartridge.ram.data();
case SNES_MEMORY_CARTRIDGE_RTC:
if(SNES::cartridge.has_srtc()) return SNES::srtc.rtc;
if(SNES::cartridge.has_spc7110rtc()) return SNES::spc7110.rtc;
return 0;
case SNES_MEMORY_BSX_RAM:
if(SNES::cartridge.mode() != SNES::Cartridge::Mode::Bsx) break;
return SNES::bsxcartridge.sram.data();
case SNES_MEMORY_BSX_PRAM:
if(SNES::cartridge.mode() != SNES::Cartridge::Mode::Bsx) break;
return SNES::bsxcartridge.psram.data();
case SNES_MEMORY_SUFAMI_TURBO_A_RAM:
if(SNES::cartridge.mode() != SNES::Cartridge::Mode::SufamiTurbo) break;
return SNES::sufamiturbo.slotA.ram.data();
case SNES_MEMORY_SUFAMI_TURBO_B_RAM:
if(SNES::cartridge.mode() != SNES::Cartridge::Mode::SufamiTurbo) break;
return SNES::sufamiturbo.slotB.ram.data();
case SNES_MEMORY_GAME_BOY_CARTRAM:
if(SNES::cartridge.mode() != SNES::Cartridge::Mode::SuperGameBoy) break;
return GameBoy::cartridge.ramdata;
//case SNES_MEMORY_GAME_BOY_RTC:
// if(SNES::cartridge.mode() != SNES::Cartridge::Mode::SuperGameBoy) break;
// return GameBoy::cartridge.rtcdata;
case SNES_MEMORY_GAME_BOY_WRAM:
if(SNES::cartridge.mode() != SNES::Cartridge::Mode::SuperGameBoy) break;
return GameBoy::cpu.wram;
case SNES_MEMORY_GAME_BOY_HRAM:
if(SNES::cartridge.mode() != SNES::Cartridge::Mode::SuperGameBoy) break;
return GameBoy::cpu.hram;
case SNES_MEMORY_WRAM:
return SNES::cpu.wram;
case SNES_MEMORY_APURAM:
return SNES::smp.apuram;
case SNES_MEMORY_VRAM:
return SNES::ppu.vram;
case SNES_MEMORY_OAM:
return SNES::ppu.oam;
case SNES_MEMORY_CGRAM:
return SNES::ppu.cgram;
case SNES_MEMORY_CARTRIDGE_ROM:
return SNES::cartridge.rom.data();
}
return 0;
}
const char* snes_get_memory_id_name(unsigned id) {
if(SNES::cartridge.loaded() == false) return nullptr;
switch(id) {
case SNES_MEMORY_CARTRIDGE_RAM:
return "CARTRIDGE_RAM";
case SNES_MEMORY_CARTRIDGE_RTC:
if(SNES::cartridge.has_srtc()) return "RTC";
if(SNES::cartridge.has_spc7110rtc()) return "SPC7110_RTC";
return nullptr;
case SNES_MEMORY_BSX_RAM:
if(SNES::cartridge.mode() != SNES::Cartridge::Mode::Bsx) break;
return "BSX_SRAM";
case SNES_MEMORY_BSX_PRAM:
if(SNES::cartridge.mode() != SNES::Cartridge::Mode::Bsx) break;
return "BSX_PSRAM";
case SNES_MEMORY_SUFAMI_TURBO_A_RAM:
if(SNES::cartridge.mode() != SNES::Cartridge::Mode::SufamiTurbo) break;
return "SUFAMI_SLOTARAM";
case SNES_MEMORY_SUFAMI_TURBO_B_RAM:
if(SNES::cartridge.mode() != SNES::Cartridge::Mode::SufamiTurbo) break;
return "SUFAMI_SLOTBRAM";
case SNES_MEMORY_GAME_BOY_CARTRAM:
if(SNES::cartridge.mode() != SNES::Cartridge::Mode::SuperGameBoy) break;
//return GameBoy::cartridge.ramdata;
return "SGB_CARTRAM";
//case SNES_MEMORY_GAME_BOY_RTC:
// if(SNES::cartridge.mode() != SNES::Cartridge::Mode::SuperGameBoy) break;
// return GameBoy::cartridge.rtcdata;
case SNES_MEMORY_GAME_BOY_WRAM:
if(SNES::cartridge.mode() != SNES::Cartridge::Mode::SuperGameBoy) break;
//see notes in SetupMemoryDomains in bizhawk
return "SGB_WRAM";
case SNES_MEMORY_GAME_BOY_HRAM:
if(SNES::cartridge.mode() != SNES::Cartridge::Mode::SuperGameBoy) break;
return "SGB_HRAM";
case SNES_MEMORY_WRAM:
//return SNES::cpu.wram;
return "WRAM";
case SNES_MEMORY_APURAM:
//return SNES::smp.apuram;
return "APURAM";
case SNES_MEMORY_VRAM:
return "VRAM";
case SNES_MEMORY_OAM:
return "OAM";
case SNES_MEMORY_CGRAM:
return "CGRAM";
case SNES_MEMORY_CARTRIDGE_ROM:
return "CARTRIDGE_ROM";
}
return nullptr;
}
unsigned snes_get_memory_size(unsigned id) {
if(SNES::cartridge.loaded() == false) return 0;
unsigned size = 0;
switch(id) {
case SNES_MEMORY_CARTRIDGE_RAM:
size = SNES::cartridge.ram.size();
break;
case SNES_MEMORY_CARTRIDGE_RTC:
if(SNES::cartridge.has_srtc() || SNES::cartridge.has_spc7110rtc()) size = 20;
break;
case SNES_MEMORY_BSX_RAM:
if(SNES::cartridge.mode() != SNES::Cartridge::Mode::Bsx) break;
size = SNES::bsxcartridge.sram.size();
break;
case SNES_MEMORY_BSX_PRAM:
if(SNES::cartridge.mode() != SNES::Cartridge::Mode::Bsx) break;
size = SNES::bsxcartridge.psram.size();
break;
case SNES_MEMORY_SUFAMI_TURBO_A_RAM:
if(SNES::cartridge.mode() != SNES::Cartridge::Mode::SufamiTurbo) break;
size = SNES::sufamiturbo.slotA.ram.size();
break;
case SNES_MEMORY_SUFAMI_TURBO_B_RAM:
if(SNES::cartridge.mode() != SNES::Cartridge::Mode::SufamiTurbo) break;
size = SNES::sufamiturbo.slotB.ram.size();
break;
case SNES_MEMORY_GAME_BOY_CARTRAM:
if(SNES::cartridge.mode() != SNES::Cartridge::Mode::SuperGameBoy) break;
size = GameBoy::cartridge.ramsize;
break;
//case SNES_MEMORY_GAME_BOY_RTC:
// if(SNES::cartridge.mode() != SNES::Cartridge::Mode::SuperGameBoy) break;
// size = GameBoy::cartridge.rtcsize;
// break;
case SNES_MEMORY_GAME_BOY_WRAM:
if(SNES::cartridge.mode() != SNES::Cartridge::Mode::SuperGameBoy) break;
//see notes in SetupMemoryDomains in bizhawk
size = 32768;
break;
case SNES_MEMORY_GAME_BOY_HRAM:
if(SNES::cartridge.mode() != SNES::Cartridge::Mode::SuperGameBoy) break;
size = 128;
break;
case SNES_MEMORY_WRAM:
size = 128 * 1024;
break;
case SNES_MEMORY_APURAM:
size = 64 * 1024;
break;
case SNES_MEMORY_VRAM:
size = 64 * 1024;
break;
case SNES_MEMORY_OAM:
size = 544;
break;
case SNES_MEMORY_CGRAM:
size = 512;
break;
case SNES_MEMORY_CARTRIDGE_ROM:
size = SNES::cartridge.rom.size();
break;
}
if(size == -1U) size = 0;
return size;
}
uint8_t bus_read(unsigned addr) {
return SNES::bus.read(addr);
}
void bus_write(unsigned addr, uint8_t val) {
SNES::bus.write(addr, val);
}
int snes_poll_message()
{
if(iface->messages.empty()) return -1;
return iface->messages.front().length();
}
void snes_dequeue_message(char* buffer)
{
int len = iface->messages.front().length();
memcpy(buffer,(const char*)iface->messages.front(),len);
iface->messages.pop();
}
void snes_set_backdropColor(int color)
{
iface->backdropColor = color;
}
void snes_set_trace_callback(snes_trace_t callback)
{
if (callback)
{
iface->wanttrace = true;
iface->ptrace = callback;
}
else
{
iface->wanttrace = false;
iface->ptrace = 0;
}
}