PICO_INTERNAL void PicoInitMCD(void)
{
SekInitS68k();
- Init_CD_Driver();
- gfx_init();
}
PICO_INTERNAL void PicoExitMCD(void)
{
- End_CD_Driver();
}
PICO_INTERNAL void PicoPowerMCD(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));
+ Pico_mcd->s68k_regs[0x38+9] = 0x0f; // default checksum
- Reset_CD();
+ cdc_init();
+ cdd_reset();
+ gfx_init();
// cold reset state (tested)
Pico_mcd->m.state_flags = PCD_ST_S68K_RST;
{
// 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
static void pcd_cdc_event(unsigned int now)
{
// 75Hz CDC update
- Check_CD_Command();
+ cdd_update();
+
+ /* check if a new CDD command has been processed */
+ if (!(Pico_mcd->s68k_regs[0x4b] & 0xf0))
+ {
+ /* reset CDD command wait flag */
+ Pico_mcd->s68k_regs[0x4b] = 0xf0;
+
+ if (Pico_mcd->s68k_regs[0x33] & PCDS_IEN4) {
+ elprintf(EL_INTS|EL_CD, "s68k: cdd irq 4");
+ SekInterruptS68k(4);
+ }
+ }
+
pcd_event_schedule(now, PCD_EVENT_CDC, 12500000/75);
}
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);
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;