-// common code for Pico.c and cd/Pico.c
-// (c) Copyright 2007-2009 Grazvydas "notaz" Ignotas
+/*
+ * common code for pico.c and cd/pico.c
+ * (C) notaz, 2007-2009
+ *
+ * This work is licensed under the terms of MAME license.
+ * See COPYING file in the top-level directory.
+ */
#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)
SekRunM68k(m68k_cycles)
#endif
+static __inline void SekRunM68k(int cyc)
+{
+ int cyc_do;
+ pprof_start(m68k);
+
+ SekCycleAim+=cyc;
+ if ((cyc_do=SekCycleAim-SekCycleCnt) <= 0) return;
+#if defined(EMU_CORE_DEBUG)
+ // this means we do run-compare
+ SekCycleCnt+=CM_compareRun(cyc_do, 0);
+#elif defined(EMU_C68K)
+ PicoCpuCM68k.cycles=cyc_do;
+ CycloneRun(&PicoCpuCM68k);
+ SekCycleCnt+=cyc_do-PicoCpuCM68k.cycles;
+#elif defined(EMU_M68K)
+ SekCycleCnt+=m68k_execute(cyc_do);
+#elif defined(EMU_F68K)
+ SekCycleCnt+=fm68k_emulate(cyc_do+1, 0, 0);
+#endif
+
+ pprof_end(m68k);
+}
+
static int PicoFrameHints(void)
{
struct PicoVideo *pv=&Pico.video;
#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
PicoSyncZ80(SekCycleCnt);
if (ym2612.dacen && PsndDacLine <= y)
PsndDoDAC(y);
+#ifdef PICO_32X
+ p32x_sync_sh2s(SekCycleCntT + SekCycleCnt);
+#endif
PsndGetSamples(y);
}
#ifdef PICO_CD
check_cd_dma();
#endif
-#ifdef PICO_32X
- p32x_pwm_irq_check(1);
-#endif
// Last H-Int:
if (--hint < 0)
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)
// 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);
z80_int();
}
+#ifdef PICO_32X
+ p32x_sync_sh2s(SekCycleCntT + SekCycleCnt);
+ p32x_start_blank();
+#endif
+
// get samples from sound chips
if (y == 224 && PsndOut)
{
// 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();
#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());
if (PsndOut && ym2612.dacen && PsndDacLine <= lines-1)
PsndDoDAC(lines-1);
+#ifdef PICO_32X
+ p32x_sync_sh2s(SekCycleCntT + SekCycleCnt);
+#endif
timers_cycle();
return 0;