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cd: fix yet more desyncs

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state load, reset..
This commit is contained in:
notaz 2013-09-20 03:51:03 +03:00
parent 33be04ca5f
commit 8e4e84c215
3 changed files with 19 additions and 9 deletions
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1
pico/32x/32x.c
View file

@ -203,7 +203,6 @@ void PicoUnload32x(void)
void PicoReset32x(void) void PicoReset32x(void)
{ {
if (PicoAHW & PAHW_32X) { if (PicoAHW & PAHW_32X) {
msh2.m68krcycles_done = ssh2.m68krcycles_done = SekCyclesDone();
p32x_trigger_irq(NULL, SekCyclesDone(), P32XI_VRES); p32x_trigger_irq(NULL, SekCyclesDone(), P32XI_VRES);
p32x_sh2_poll_event(&msh2, SH2_IDLE_STATES, 0); p32x_sh2_poll_event(&msh2, SH2_IDLE_STATES, 0);
p32x_sh2_poll_event(&ssh2, SH2_IDLE_STATES, 0); p32x_sh2_poll_event(&ssh2, SH2_IDLE_STATES, 0);

22
pico/cd/mcd.c
View file

@ -30,6 +30,8 @@ PICO_INTERNAL void PicoExitMCD(void)
PICO_INTERNAL void PicoPowerMCD(void) PICO_INTERNAL void PicoPowerMCD(void)
{ {
SekCycleCntS68k = SekCycleAimS68k = 0;
int fmt_size = sizeof(formatted_bram); int fmt_size = sizeof(formatted_bram);
memset(Pico_mcd->prg_ram, 0, sizeof(Pico_mcd->prg_ram)); 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->word_ram2M, 0, sizeof(Pico_mcd->word_ram2M));
@ -110,6 +112,14 @@ static __inline void SekRunS68k(unsigned int to)
#endif #endif
} }
static void pcd_set_cycle_mult(void)
{
// ~1.63 for NTSC, ~1.645 for PAL
if (Pico.m.pal)
m68k_cycle_mult = ((12500000ull << 16) / (50*312*488));
else
m68k_cycle_mult = ((12500000ull << 16) / (60*262*488)) + 1;
}
unsigned int pcd_cycles_m68k_to_s68k(unsigned int c) unsigned int pcd_cycles_m68k_to_s68k(unsigned int c)
{ {
@ -302,12 +312,7 @@ PICO_INTERNAL void PicoFrameMCD(void)
if (!(PicoOpt&POPT_ALT_RENDERER)) if (!(PicoOpt&POPT_ALT_RENDERER))
PicoFrameStart(); PicoFrameStart();
// ~1.63 for NTSC, ~1.645 for PAL pcd_set_cycle_mult();
if (Pico.m.pal)
m68k_cycle_mult = ((12500000ull << 16) / (50*312*488));
else
m68k_cycle_mult = ((12500000ull << 16) / (60*262*488)) + 1;
PicoFrameHints(); PicoFrameHints();
} }
@ -316,6 +321,7 @@ void pcd_state_loaded(void)
unsigned int cycles; unsigned int cycles;
int diff; int diff;
pcd_set_cycle_mult();
pcd_state_loaded_mem(); pcd_state_loaded_mem();
memset(Pico_mcd->pcm_mixbuf, 0, sizeof(Pico_mcd->pcm_mixbuf)); memset(Pico_mcd->pcm_mixbuf, 0, sizeof(Pico_mcd->pcm_mixbuf));
@ -346,6 +352,10 @@ void pcd_state_loaded(void)
} }
if (Pico_mcd->pcm.update_cycles == 0) if (Pico_mcd->pcm.update_cycles == 0)
Pico_mcd->pcm.update_cycles = cycles; Pico_mcd->pcm.update_cycles = cycles;
// reschedule
event_time_next = 0;
pcd_run_events(SekCycleCntS68k);
} }
// vim:shiftwidth=2:ts=2:expandtab // vim:shiftwidth=2:ts=2:expandtab

5
pico/pico.c
View file

@ -61,6 +61,7 @@ void PicoExit(void)
void PicoPower(void) void PicoPower(void)
{ {
Pico.m.frame_count = 0; Pico.m.frame_count = 0;
SekCycleCnt = SekCycleAim = 0;
// clear all memory of the emulated machine // clear all memory of the emulated machine
memset(&Pico.ram,0,(unsigned char *)&Pico.rom - Pico.ram); memset(&Pico.ram,0,(unsigned char *)&Pico.rom - Pico.ram);
@ -167,15 +168,15 @@ int PicoReset(void)
} }
SekReset(); SekReset();
// ..but do not reset SekCycle* to not desync with addons
// s68k doesn't have the TAS quirk, so we just globally set normal TAS handler in MCD mode (used by Batman games). // s68k doesn't have the TAS quirk, so we just globally set normal TAS handler in MCD mode (used by Batman games).
SekSetRealTAS(PicoAHW & PAHW_MCD); SekSetRealTAS(PicoAHW & PAHW_MCD);
SekCycleCnt = SekCycleAim = 0;
Pico.m.dirtyPal = 1; Pico.m.dirtyPal = 1;
Pico.m.z80_bank68k = 0; Pico.m.z80_bank68k = 0;
Pico.m.z80_reset = 1; Pico.m.z80_reset = 1;
memset(Pico.zram, 0, sizeof(Pico.zram)); // ??
PicoDetectRegion(); PicoDetectRegion();
Pico.video.status = 0x3428 | Pico.m.pal; // 'always set' bits | vblank | collision | pal Pico.video.status = 0x3428 | Pico.m.pal; // 'always set' bits | vblank | collision | pal