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reset behavior changed, Puggsy detection added

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@405 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2008-03-30 20:24:17 +00:00
parent 65ca3034d4
commit 1cb1584b86
12 changed files with 63 additions and 39 deletions
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9
Pico/Cart.c
View file

@ -530,7 +530,8 @@ int PicoCartInsert(unsigned char *rom,unsigned int romsize)
else PicoMemSetup();
PicoMemReset();
return PicoReset(1);
PicoPower();
return 0;
}
int PicoCartUnload(void)
@ -597,6 +598,12 @@ static void PicoCartDetect(void)
sram_size = 0x004000;
}
// this game actually doesn't have SRAM, but some weird protection
if (rom_strcmp(0x120, "PUGGSY") == 0)
{
SRam.start = SRam.end = sram_size = 0;
}
if (sram_size)
{
SRam.data = (unsigned char *) calloc(sram_size, 1);

53
Pico/Pico.c
View file

@ -52,10 +52,32 @@ void PicoExit(void)
PicoExitMCD();
z80_exit();
if(SRam.data) free(SRam.data); SRam.data=0;
if (SRam.data) free(SRam.data); SRam.data=0;
}
int PicoReset(int hard)
void PicoPower(void)
{
// clear all memory of the emulated machine
memset(&Pico.ram,0,(unsigned int)&Pico.rom-(unsigned int)&Pico.ram);
memset(&Pico.video,0,sizeof(Pico.video));
memset(&Pico.m,0,sizeof(Pico.m));
Pico.video.pending_ints=0;
z80_reset();
// default VDP register values (based on Fusion)
Pico.video.reg[0] = Pico.video.reg[1] = 0x04;
Pico.video.reg[0xc] = 0x81;
Pico.video.reg[0xf] = 0x02;
if (PicoMCD & 1)
PicoPowerMCD();
PicoReset();
}
int PicoReset(void)
{
unsigned int region=0;
int support=0,hw=0,i=0;
@ -72,25 +94,12 @@ int PicoReset(int hard)
// s68k doesn't have the TAS quirk, so we just globally set normal TAS handler in MCD mode (used by Batman games).
SekSetRealTAS(PicoMCD & 1);
SekCycleCntT=0;
z80_reset();
// reset VDP state, VRAM and PicoMisc
//memset(&Pico.video,0,sizeof(Pico.video));
//memset(&Pico.vram,0,sizeof(Pico.vram));
memset(Pico.ioports,0,sizeof(Pico.ioports)); // needed for MCD to reset properly
memset(&Pico.m,0,sizeof(Pico.m));
Pico.video.pending_ints=0;
if (PicoMCD & 1)
// needed for MCD to reset properly, probably some bug hides behind this..
memset(Pico.ioports,0,sizeof(Pico.ioports));
emustatus = 0;
if (hard) {
// clear all memory of the emulated machine
memset(&Pico.ram,0,(unsigned int)&Pico.rom-(unsigned int)&Pico.ram);
}
// default VDP register values (based on Fusion)
Pico.video.reg[0] = Pico.video.reg[1] = 0x04;
Pico.video.reg[0xc] = 0x81;
Pico.video.reg[0xf] = 0x02;
Pico.m.dirtyPal = 1;
if(PicoRegionOverride)
@ -141,12 +150,16 @@ int PicoReset(int hard)
Pico.m.hardware=(unsigned char)(hw|0x20); // No disk attached
Pico.m.pal=pal;
Pico.video.status = 0x3408 | pal; // always set bits | vblank | pal
Pico.video.status = 0x3408 | pal; // 'always set' bits | vblank | pal
PsndReset(); // pal must be known here
// create an empty "dma" to cause 68k exec start at random frame location
if (Pico.m.dma_xfers == 0 && !(PicoOpt&0x10000))
Pico.m.dma_xfers = rand() & 0x1fff;
if (PicoMCD & 1) {
PicoResetMCD(hard);
PicoResetMCD();
return 0;
}

3
Pico/Pico.h
View file

@ -43,7 +43,8 @@ extern int PicoAutoRgnOrder; // packed priority list of regions, for example 0x1
extern int PicoSVPCycles;
int PicoInit(void);
void PicoExit(void);
int PicoReset(int hard);
void PicoPower(void);
int PicoReset(void);
int PicoFrame(void);
void PicoFrameDrawOnly(void);
extern int PicoPad[2]; // Joypads, format is MXYZ SACB RLDU

3
Pico/PicoInt.h
View file

@ -425,7 +425,8 @@ PICO_INTERNAL int CheckDMA(void);
// cd/Pico.c
PICO_INTERNAL int PicoInitMCD(void);
PICO_INTERNAL void PicoExitMCD(void);
PICO_INTERNAL int PicoResetMCD(int hard);
PICO_INTERNAL void PicoPowerMCD(void);
PICO_INTERNAL int PicoResetMCD(void);
PICO_INTERNAL int PicoFrameMCD(void);
// Sek.c

8
Pico/cd/Pico.c
View file

@ -48,16 +48,18 @@ PICO_INTERNAL void PicoExitMCD(void)
//dump_ram(Pico.ram, "ram.bin");
}
PICO_INTERNAL int PicoResetMCD(int hard)
PICO_INTERNAL void PicoPowerMCD(void)
{
if (hard) {
int fmt_size = sizeof(formatted_bram);
memset(Pico_mcd->prg_ram, 0, sizeof(Pico_mcd->prg_ram));
memset(Pico_mcd->word_ram2M, 0, sizeof(Pico_mcd->word_ram2M));
memset(Pico_mcd->pcm_ram, 0, sizeof(Pico_mcd->pcm_ram));
memset(Pico_mcd->bram, 0, sizeof(Pico_mcd->bram));
memcpy(Pico_mcd->bram + sizeof(Pico_mcd->bram) - fmt_size, formatted_bram, fmt_size);
}
}
PICO_INTERNAL int PicoResetMCD(void)
{
memset(Pico_mcd->s68k_regs, 0, sizeof(Pico_mcd->s68k_regs));
memset(&Pico_mcd->pcm, 0, sizeof(Pico_mcd->pcm));
memset(&Pico_mcd->m, 0, sizeof(Pico_mcd->m));

2
platform/common/emu.c
View file

@ -434,7 +434,7 @@ int emu_ReloadRom(void)
} else {
PicoRegionOverride = 4;
}
PicoReset(0);
PicoReset();
// TODO: bits 6 & 5
}
movie_data[0x18+30] = 0;

2
platform/gizmondo/emu.c
View file

@ -775,7 +775,7 @@ void emu_Loop(void)
void emu_ResetGame(void)
{
PicoReset(0);
PicoReset();
reset_timing = 1;
}

2
platform/gp2x/emu.c
View file

@ -977,7 +977,7 @@ void emu_Loop(void)
void emu_ResetGame(void)
{
PicoReset(0);
PicoReset();
reset_timing = 1;
}

2
platform/psp/emu.c
View file

@ -1022,7 +1022,7 @@ void emu_Loop(void)
void emu_ResetGame(void)
{
PicoReset(0);
PicoReset();
reset_timing = 1;
}

2
platform/uiq2/SimpleServer.cpp
View file

@ -114,7 +114,7 @@ void CPicoServSession::DispatchMessageL(const RMessage &aMessage)
case PicoMsgReset:
if(rom_data) {
PicoReset(0);
PicoReset();
pico_was_reset = 1;
gamestate = PGS_Running;
}

2
platform/uiq3/Engine.cpp
View file

@ -63,7 +63,7 @@ TInt CPicoGameSession::Do(const TPicoServRqst what, TAny *param)
case PicoMsgReset:
if(rom_data) {
PicoReset(0);
PicoReset();
pico_was_reset = 1;
return ChangeRunState(PGS_Running);
}

2
platform/win32/GenaDrive/Input.cpp
View file

@ -92,7 +92,7 @@ static int DeviceRead()
static int sblobked = 0;
if (!sblobked && GetAsyncKeyState(VK_TAB)) {
PicoReset(0);
PicoReset();
sblobked = 1;
}
else if (!sblobked && GetAsyncKeyState(VK_ESCAPE))