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Sonic CD runs on GP2X

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@21 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-01-19 22:08:50 +00:00
parent d1df87866b
commit b837b69b3f
20 changed files with 364 additions and 184 deletions
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34
Pico/Pico.c
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@ -11,7 +11,7 @@
#include "sound/sound.h"
#include "sound/ym2612.h"
int PicoVer=0x0080;
int PicoVer=0x0110;
struct Pico Pico;
int PicoOpt=0; // disable everything by default
int PicoSkipFrame=0; // skip rendering frame?
@ -36,9 +36,6 @@ int PicoInit(void)
SekInit();
z80_init(); // init even if we aren't going to use it
// Setup memory callbacks:
PicoMemInit();
PicoInitMCD();
// notaz: sram
@ -66,6 +63,10 @@ int PicoReset(int hard)
if (Pico.romsize<=0) return 1;
// setup correct memory map
if (PicoMCD & 1)
PicoMemSetupCD();
else PicoMemSetup();
PicoMemReset();
SekReset();
SekCycleCntT=0;
@ -237,31 +238,6 @@ static __inline void SekRun(int cyc)
{
int cyc_do;
SekCycleAim+=cyc;
#if 0
if(Pico.m.dma_bytes) {
int burn=0;
if((Pico.video.status&8)||!(Pico.video.reg[1]&0x40)) { // vblank?
if(Pico.m.dma_bytes < 205) {
burn = Pico.m.dma_bytes*(((488<<8)/205))>>8;
Pico.m.dma_bytes = 0;
} else {
burn += 488;
Pico.m.dma_bytes -= 205;
}
} else {
if(Pico.m.dma_bytes < 18) {
burn = Pico.m.dma_bytes*(((488<<8)/18))>>8;
Pico.m.dma_bytes = 0;
} else {
burn += 488;
Pico.m.dma_bytes -= 18;
}
}
SekCycleCnt+=burn;
dprintf("~DmaSlow %i burn=%i do=%i [%i|%i]", Pico.m.dma_bytes, burn, SekCycleAim-SekCycleCnt,
Pico.m.scanline, SekCyclesDone());
}
#endif
//dprintf("aim: %i, cnt: %i", SekCycleAim, SekCycleCnt);
if((cyc_do=SekCycleAim-SekCycleCnt) <= 0) return;
//dprintf("cyc_do: %i", cyc_do);