RaySollium99/picodrive
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ISO loading, menus, LEDs

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@16 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-01-08 21:17:08 +00:00
parent d0d47c5be3
commit bf098bc532
15 changed files with 914 additions and 295 deletions
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21
Pico/cd/Pico.c
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@ -64,9 +64,22 @@ static __inline void SekRunS68k(int cyc)
#endif
}
// TODO: tidy
extern unsigned char m68k_regs[0x40];
extern unsigned char s68k_regs[0x200];
static int Status_CDC;
static __inline void check_cd_dma(void)
{
int ddx;
if (!(Status_CDC & 0x08)) return;
ddx = Pico_mcd->s68k_regs[4] & 7;
if (ddx < 2) return; // invalid
if (ddx < 4) Pico_mcd->s68k_regs[4] |= 0x40; // Data set ready in host port
if (ddx == 6) return; // invalid
Update_CDC_TRansfer(ddx); // now go and do the actual transfer
}
// Accurate but slower frame which does hints
static int PicoFrameHintsMCD(void)
@ -115,6 +128,8 @@ static int PicoFrameHintsMCD(void)
if(Pico.m.padDelay[1]++ > 25) Pico.m.padTHPhase[1]=0;
}
check_cd_dma();
// H-Interrupts:
if(y <= lines_vis && --hint < 0) // y <= lines_vis: Comix Zone, Golden Axe
{