int m68k_emulate(int cycles)
{
cycles -= 1;
m68k_context.cycles = cycles;
//dprintf("c = %i, stoped: %i", cycles, m68k_context.stopped);
//if (m68k_context.stopped)
// dprintf("c = %i, stopped: %i, irq: %02x", cycles, m68k_context.stopped, M68KCONTEXT.interrupts[0]);
CycloneRun(&m68k_context);
M68KCONTEXT.cycles_counter += cycles - m68k_context.cycles;
// Cyclone doesn't check for irq changes while it executes, so try to take it now
#if 0
if (m68k_context.irq > (m68k_context.srh&7))
{
int oirq = m68k_context.irq, c = CycloneFlushIrq(&m68k_context);
printf("CycEnd irq %i %i -> %i\n", c, oirq, m68k_context.irq);
M68KCONTEXT.cycles_counter += c; // CycloneFlushIrq(&m68k_context);
}
#endif
#ifdef SPLIT_32_2_16
if (m68k_context.state_flags & 1)
{
M68KCONTEXT.cycles_counter++; // adjust for sync with FAME
}
#endif
return 0;
}
void SekStepM68k(void)
{
SekCycleAim=SekCycleCnt+1;
#if defined(EMU_CORE_DEBUG)
SekCycleCnt+=CM_compareRun(1, 0);
#elif defined(EMU_C68K)
PicoCpuCM68k.cycles=1;
CycloneRun(&PicoCpuCM68k);
SekCycleCnt+=1-PicoCpuCM68k.cycles;
#elif defined(EMU_M68K)
SekCycleCnt+=m68k_execute(1);
#elif defined(EMU_F68K)
SekCycleCnt+=fm68k_emulate(1, 0);
#endif
}
// Run the 68000 for 'cyc' number of cycles and return the number of cycles actually executed
static inline int DoRun(int cyc)
{
PicoCpu.cycles=cyc;
CycloneRun(&PicoCpu);
return cyc-PicoCpu.cycles;
}
