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cd: better cd change handling, perhaps?

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This commit is contained in:
notaz 2013-09-16 04:09:02 +03:00
parent fa8fb75445
commit d0132772f7
7 changed files with 52 additions and 13 deletions
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19
pico/cd/mcd.c
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@ -41,6 +41,8 @@ PICO_INTERNAL void PicoPowerMCD(void)
memset(&Pico_mcd->pcm, 0, sizeof(Pico_mcd->pcm));
memset(&Pico_mcd->m, 0, sizeof(Pico_mcd->m));
Reset_CD();
// cold reset state (tested)
Pico_mcd->m.state_flags = PCD_ST_S68K_RST;
Pico_mcd->m.busreq = 2; // busreq on, s68k in reset
@ -48,16 +50,25 @@ PICO_INTERNAL void PicoPowerMCD(void)
memset(Pico_mcd->bios + 0x70, 0xff, 4);
}
PICO_INTERNAL int PicoResetMCD(void)
void pcd_soft_reset(void)
{
// ??
Reset_CD();
// Reset_CD(); // breaks Fahrenheit CD swap
LC89510_Reset();
gfx_cd_reset();
#ifdef _ASM_CD_MEMORY_C
//PicoMemResetCDdecode(1); // don't have to call this in 2M mode
#endif
pcd_event_schedule_s68k(PCD_EVENT_CDC, 12500000/75);
// TODO: test if register state/timers change
}
PICO_INTERNAL int PicoResetMCD(void)
{
// reset button doesn't affect MCD hardware
// use SRam.data for RAM cart
if (PicoOpt & POPT_EN_MCD_RAMCART) {
if (SRam.data == NULL)
@ -69,8 +80,6 @@ PICO_INTERNAL int PicoResetMCD(void)
}
SRam.start = SRam.end = 0; // unused
pcd_event_schedule(0, PCD_EVENT_CDC, 12500000/75);
return 0;
}