X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=pico%2Fpico_cmn.c;h=79606762b06076eceac7450c61e29a166cac3b07;hb=4685e5a10e388a9a07f1b11c3c14cce6e4e8ef5b;hp=407309a3fc08a3094a5283dd4768e02bd6d3befe;hpb=974fdb5bfda8ed006661031e22c920828ddb60dc;p=picodrive.git diff --git a/pico/pico_cmn.c b/pico/pico_cmn.c index 407309a..7960676 100644 --- a/pico/pico_cmn.c +++ b/pico/pico_cmn.c @@ -1,10 +1,11 @@ // common code for Pico.c and cd/Pico.c -// (c) Copyright 2007,2008 Grazvydas "notaz" Ignotas +// (c) Copyright 2007-2009 Grazvydas "notaz" Ignotas #define CYCLES_M68K_LINE 488 // suitable for both PAL/NTSC #define CYCLES_M68K_VINT_LAG 68 #define CYCLES_M68K_ASD 148 #define CYCLES_S68K_LINE 795 +#define CYCLES_S68K_VINT_LAG 111 #define CYCLES_S68K_ASD 241 // pad delay (for 6 button pads) @@ -15,20 +16,9 @@ } // CPUS_RUN -#ifndef PICO_CD +#ifndef CPUS_RUN #define CPUS_RUN(m68k_cycles,s68k_cycles) \ - SekRunM68k(m68k_cycles); -#else -#define CPUS_RUN(m68k_cycles,s68k_cycles) \ -{ \ - if ((PicoOpt&POPT_EN_MCD_PSYNC) && (Pico_mcd->m.busreq&3) == 1) { \ - SekRunPS(m68k_cycles, s68k_cycles); /* "better/perfect sync" */ \ - } else { \ - SekRunM68k(m68k_cycles); \ - if ((Pico_mcd->m.busreq&3) == 1) /* no busreq/no reset */ \ - SekRunS68k(s68k_cycles); \ - } \ -} + SekRunM68k(m68k_cycles) #endif static int PicoFrameHints(void) @@ -93,6 +83,9 @@ static int PicoFrameHints(void) #ifdef PICO_CD check_cd_dma(); #endif +#ifdef PICO_32X + p32x_timers_do(1); +#endif // H-Interrupts: if (--hint < 0) // y <= lines_vis: Comix Zone, Golden Axe @@ -162,6 +155,9 @@ static int PicoFrameHints(void) #ifdef PICO_CD check_cd_dma(); #endif +#ifdef PICO_32X + p32x_timers_do(1); +#endif // Last H-Int: if (--hint < 0) @@ -183,7 +179,7 @@ static int PicoFrameHints(void) // there must be a delay after vblank bit is set and irq is asserted (Mazin Saga) // also delay between F bit (bit 7) is set in SR and IRQ happens (Ex-Mutants) // also delay between last H-int and V-int (Golden Axe 3) - SekRunM68k(CYCLES_M68K_VINT_LAG); + CPUS_RUN(CYCLES_M68K_VINT_LAG, CYCLES_S68K_VINT_LAG); if (pv->reg[1]&0x20) { elprintf(EL_INTS, "vint: @ %06x [%i]", SekPc, SekCycleCnt); @@ -206,7 +202,7 @@ static int PicoFrameHints(void) // Run scanline: if (Pico.m.dma_xfers) SekCyclesBurn(CheckDMA()); CPUS_RUN(CYCLES_M68K_LINE - CYCLES_M68K_VINT_LAG - CYCLES_M68K_ASD, - CYCLES_S68K_LINE - CYCLES_S68K_ASD); + CYCLES_S68K_LINE - CYCLES_S68K_VINT_LAG - CYCLES_S68K_ASD); #ifdef PICO_CD update_chips(); @@ -214,9 +210,8 @@ static int PicoFrameHints(void) if (PicoLineHook) PicoLineHook(); #endif - // PAL line count might actually be 313 according to Steve Snake, but that would complicate things. - lines = Pico.m.pal ? 312 : 262; - vcnt_wrap = Pico.m.pal ? 0x103 : 0xEB; // based on Gens + lines = scanlines_total; + vcnt_wrap = Pico.m.pal ? 0x103 : 0xEB; // based on Gens, TODO: verify for (y++; y < lines; y++) { @@ -231,6 +226,9 @@ static int PicoFrameHints(void) #ifdef PICO_CD check_cd_dma(); #endif +#ifdef PICO_32X + p32x_timers_do(1); +#endif // Run scanline: if (Pico.m.dma_xfers) SekCyclesBurn(CheckDMA());