X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=pico%2Fpico_cmn.c;h=5f31694d5c9c945eb0e16a1254196dadff6f8e6c;hb=c987bb5c36d92c1441e4dcfd9bded3e5dc1f1ff6;hp=368b4c8a66a6c00c6608ed9a66442492a1bb0d29;hpb=7b3f44c6b677a60b63b092f825a2b6c58166b70c;p=picodrive.git diff --git a/pico/pico_cmn.c b/pico/pico_cmn.c index 368b4c8..5f31694 100644 --- a/pico/pico_cmn.c +++ b/pico/pico_cmn.c @@ -1,5 +1,5 @@ // 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 @@ -15,23 +15,11 @@ } // 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 -// Accurate but slower frame which does hints static int PicoFrameHints(void) { struct PicoVideo *pv=&Pico.video; @@ -94,6 +82,9 @@ static int PicoFrameHints(void) #ifdef PICO_CD check_cd_dma(); #endif +#ifdef PICO_32X + p32x_pwm_irq_check(1); +#endif // H-Interrupts: if (--hint < 0) // y <= lines_vis: Comix Zone, Golden Axe @@ -163,6 +154,9 @@ static int PicoFrameHints(void) #ifdef PICO_CD check_cd_dma(); #endif +#ifdef PICO_32X + p32x_pwm_irq_check(1); +#endif // Last H-Int: if (--hint < 0) @@ -176,6 +170,10 @@ static int PicoFrameHints(void) pv->status|=0x08; // go into vblank pv->pending_ints|=0x20; +#ifdef PICO_32X + p32x_start_blank(); +#endif + // the following SekRun is there for several reasons: // 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) @@ -211,9 +209,8 @@ 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++) { @@ -228,6 +225,9 @@ static int PicoFrameHints(void) #ifdef PICO_CD check_cd_dma(); #endif +#ifdef PICO_32X + p32x_pwm_irq_check(1); +#endif // Run scanline: if (Pico.m.dma_xfers) SekCyclesBurn(CheckDMA());