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cd: switch to CD controller code from genplus

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same license, much cleaner code
using own dma code though..
This commit is contained in:
notaz 2013-10-05 04:14:45 +03:00
parent a6523294e2
commit 3f23709ef3
14 changed files with 1212 additions and 807 deletions
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11
pico/cd/mcd.c
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@ -46,6 +46,7 @@ PICO_INTERNAL void PicoPowerMCD(void)
memset(&Pico_mcd->pcm, 0, sizeof(Pico_mcd->pcm));
memset(&Pico_mcd->m, 0, sizeof(Pico_mcd->m));
cdc_init();
Reset_CD();
// cold reset state (tested)
@ -59,7 +60,9 @@ void pcd_soft_reset(void)
{
// Reset_CD(); // breaks Fahrenheit CD swap
LC89510_Reset();
Pico_mcd->m.s68k_pend_ints = 0;
cdc_reset();
CDD_Reset();
#ifdef _ASM_CD_MEMORY_C
//PicoMemResetCDdecode(1); // don't have to call this in 2M mode
#endif
@ -150,8 +153,7 @@ static void pcd_int3_timer_event(unsigned int now)
static void pcd_dma_event(unsigned int now)
{
int ddx = Pico_mcd->s68k_regs[4] & 7;
Update_CDC_TRansfer(ddx);
cdc_dma_update();
}
typedef void (event_cb)(unsigned int now);
@ -355,9 +357,6 @@ void pcd_state_loaded(void)
if (Pico_mcd->s68k_regs[0x31])
pcd_event_schedule(SekCycleAimS68k, PCD_EVENT_TIMER3,
Pico_mcd->s68k_regs[0x31] * 384);
if (Pico_mcd->scd.Status_CDC & 0x08)
Update_CDC_TRansfer(Pico_mcd->s68k_regs[4] & 7);
}
diff = cycles - Pico_mcd->pcm.update_cycles;