X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=Pico%2FPico.c;h=004a247e9e2b418cfe50b595905357b63f445de7;hb=1cd356a33daf2eec34e52c075b06d62866f5fb2f;hp=bd21a569f2c086901cd4a7fab48f7cf0fe8a2c2e;hpb=bf098bc53228f6b5016cb4a6126f4466bfba4e00;p=picodrive.git diff --git a/Pico/Pico.c b/Pico/Pico.c index bd21a56..004a247 100644 --- a/Pico/Pico.c +++ b/Pico/Pico.c @@ -11,11 +11,12 @@ #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? int PicoRegionOverride = 0; // override the region detection 0: Auto, 1: Japan NTSC, 2: Japan PAL, 4: US, 8: Europe +int PicoAutoRgnOrder = 0; int emustatus = 0; void (*PicoWriteSound)(void) = 0; // called once per frame at the best time to send sound buffer (PsndOut) to hardware @@ -36,9 +37,6 @@ int PicoInit(void) SekInit(); z80_init(); // init even if we aren't going to use it - // Setup memory callbacks: - PicoMemInit(); - PicoInitMCD(); // notaz: sram @@ -51,7 +49,8 @@ int PicoInit(void) // to be called once on emu exit void PicoExit(void) { - PicoExitMCD(); + if (PicoMCD&1) + PicoExitMCD(); z80_exit(); // notaz: sram @@ -66,6 +65,10 @@ int PicoReset(int hard) if (Pico.romsize<=0) return 1; + // setup correct memory map + if (PicoMCD & 1) + PicoMemSetupCD(); + else PicoMemSetup(); PicoMemReset(); SekReset(); SekCycleCntT=0; @@ -105,9 +108,12 @@ int PicoReset(int hard) c=region>>(i<<3); c&=0xff; if (c<=' ') continue; - if (c=='J') support|=1; - else if (c=='U') support|=4; - else if (c=='E') support|=8; + if (c=='J') support|=1; + else if (c=='U') support|=4; + else if (c=='E') support|=8; + else if (c=='j') {support|=1; break; } + else if (c=='u') {support|=4; break; } + else if (c=='e') {support|=8; break; } else { // New style code: @@ -118,6 +124,13 @@ int PicoReset(int hard) } } + // auto detection order override + if (PicoAutoRgnOrder) { + if (((PicoAutoRgnOrder>>0)&0xf) & support) support = (PicoAutoRgnOrder>>0)&0xf; + else if (((PicoAutoRgnOrder>>4)&0xf) & support) support = (PicoAutoRgnOrder>>4)&0xf; + else if (((PicoAutoRgnOrder>>8)&0xf) & support) support = (PicoAutoRgnOrder>>8)&0xf; + } + // Try to pick the best hardware value for English/50hz: if (support&8) { hw=0xc0; pal=1; } // Europe else if (support&4) hw=0x80; // USA @@ -237,31 +250,6 @@ 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); @@ -335,7 +323,8 @@ static __inline void getSamples(int y) if (emustatus&1) emustatus|=2; else emustatus&=~2; if (PicoWriteSound) PicoWriteSound(); // clear sound buffer - memset(PsndOut, 0, (PicoOpt & 8) ? (PsndLen<<2) : (PsndLen<<1)); + sound_clear(); + //memset(PsndOut, 0, (PicoOpt & 8) ? (PsndLen<<2) : (PsndLen<<1)); } else if(emustatus & 3) { emustatus|= 2;