#include "../pico_int.h"
+#include "../sound/ym2612.h"
struct Pico32x Pico32x;
PicoAHW |= PAHW_32X;
PicoMemSetup32x();
- // probably should only done on power
-// memset(&Pico32x, 0, sizeof(Pico32x));
-
if (!Pico.m.pal)
- Pico32x.vdp_regs[0] |= 0x8000;
+ Pico32x.vdp_regs[0] |= P32XV_nPAL;
- // prefill checksum
- Pico32x.regs[0x28/2] = *(unsigned short *)(Pico.rom + 0x18e);
+ emu_32x_startup();
}
void Pico32xInit(void)
{
- // XXX: mv
- Pico32x.regs[0] = 0x0082;
+}
+
+void PicoPower32x(void)
+{
+ memset(&Pico32x, 0, sizeof(Pico32x));
+ Pico32x.regs[0] = 0x0082; // SH2 reset?
+ Pico32x.vdp_regs[0x0a/2] = P32XV_VBLK|P32XV_HBLK|P32XV_PEN;
}
void PicoReset32x(void)
{
}
+static void p32x_start_blank(void)
+{
+ // enter vblank
+ Pico32x.vdp_regs[0x0a/2] |= P32XV_VBLK|P32XV_PEN;
+
+ // swap waits until vblank
+ if ((Pico32x.vdp_regs[0x0a/2] ^ Pico32x.pending_fb) & P32XV_FS) {
+ Pico32x.vdp_regs[0x0a/2] &= ~P32XV_FS;
+ Pico32x.vdp_regs[0x0a/2] |= Pico32x.pending_fb;
+ Pico32xSwapDRAM(Pico32x.pending_fb ^ 1);
+ }
+}
+
+// FIXME..
+static __inline void SekRunM68k(int cyc)
+{
+ int cyc_do;
+ 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
+}
+
+#define PICO_32X
+#include "../pico_cmn.c"
+
+void PicoFrame32x(void)
+{
+ if ((Pico32x.vdp_regs[0] & 3 ) != 0) // no forced blanking
+ Pico32x.vdp_regs[0x0a/2] &= ~(P32XV_VBLK|P32XV_PEN); // get out of vblank
+
+ PicoFrameStart();
+ PicoFrameHints();
+}