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32x and sms savestates. Core-independent z80 state. SS bugfixing/refactoring.

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@868 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2010-01-27 16:30:41 +00:00
parent a736af3ecf
commit b4db550e41
19 changed files with 1116 additions and 848 deletions
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84
pico/sek.c
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@ -50,12 +50,13 @@ static void SekResetAck(void)
static int SekUnrecognizedOpcode()
{
unsigned int pc, op;
unsigned int pc;
pc = SekPc;
op = PicoCpuCM68k.read16(pc);
elprintf(EL_ANOMALY, "Unrecognized Opcode %04x @ %06x", op, pc);
// see if we are not executing trash
if (pc < 0x200 || (pc > Pico.romsize+4 && (pc&0xe00000)!=0xe00000)) {
elprintf(EL_ANOMALY, "Unrecognized Opcode @ %06x", pc);
// see if we are still in a mapped region
pc &= 0x00ffffff;
if (map_flag_set(m68k_read16_map[pc >> M68K_MEM_SHIFT])) {
elprintf(EL_STATUS|EL_ANOMALY, "m68k crash @%06x", pc);
PicoCpuCM68k.cycles = 0;
PicoCpuCM68k.state_flags |= 1;
return 1;
@ -184,6 +185,79 @@ PICO_INTERNAL void SekSetRealTAS(int use_real)
#endif
}
// Pack the cpu into a common format:
// XXX: rename
PICO_INTERNAL void SekPackCpu(unsigned char *cpu, int is_sub)
{
unsigned int pc=0;
#if defined(EMU_C68K)
struct Cyclone *context = is_sub ? &PicoCpuCS68k : &PicoCpuCM68k;
memcpy(cpu,context->d,0x40);
pc=context->pc-context->membase;
*(unsigned int *)(cpu+0x44)=CycloneGetSr(context);
*(unsigned int *)(cpu+0x48)=context->osp;
cpu[0x4c] = context->irq;
cpu[0x4d] = context->state_flags & 1;
#elif defined(EMU_M68K)
void *oldcontext = m68ki_cpu_p;
m68k_set_context(is_sub ? &PicoCpuMS68k : &PicoCpuMM68k);
memcpy(cpu,m68ki_cpu_p->dar,0x40);
pc=m68ki_cpu_p->pc;
*(unsigned int *)(cpu+0x44)=m68k_get_reg(NULL, M68K_REG_SR);
*(unsigned int *)(cpu+0x48)=m68ki_cpu_p->sp[m68ki_cpu_p->s_flag^SFLAG_SET];
cpu[0x4c] = CPU_INT_LEVEL>>8;
cpu[0x4d] = CPU_STOPPED;
m68k_set_context(oldcontext);
#elif defined(EMU_F68K)
M68K_CONTEXT *context = is_sub ? &PicoCpuFS68k : &PicoCpuFM68k;
memcpy(cpu,context->dreg,0x40);
pc=context->pc;
*(unsigned int *)(cpu+0x44)=context->sr;
*(unsigned int *)(cpu+0x48)=context->asp;
cpu[0x4c] = context->interrupts[0];
cpu[0x4d] = (context->execinfo & FM68K_HALTED) ? 1 : 0;
#endif
*(unsigned int *)(cpu+0x40)=pc;
}
PICO_INTERNAL void SekUnpackCpu(const unsigned char *cpu, int is_sub)
{
#if defined(EMU_C68K)
struct Cyclone *context = is_sub ? &PicoCpuCS68k : &PicoCpuCM68k;
CycloneSetSr(context, *(unsigned int *)(cpu+0x44));
context->osp=*(unsigned int *)(cpu+0x48);
memcpy(context->d,cpu,0x40);
context->membase = 0;
context->pc = *(unsigned int *)(cpu+0x40);
CycloneUnpack(context, NULL); // rebase PC
context->irq = cpu[0x4c];
context->state_flags = 0;
if (cpu[0x4d])
context->state_flags |= 1;
#elif defined(EMU_M68K)
void *oldcontext = m68ki_cpu_p;
m68k_set_context(is_sub ? &PicoCpuMS68k : &PicoCpuMM68k);
m68k_set_reg(M68K_REG_SR, *(unsigned int *)(cpu+0x44));
memcpy(m68ki_cpu_p->dar,cpu,0x40);
m68ki_cpu_p->pc=*(unsigned int *)(cpu+0x40);
m68ki_cpu_p->sp[m68ki_cpu_p->s_flag^SFLAG_SET]=*(unsigned int *)(cpu+0x48);
CPU_INT_LEVEL = cpu[0x4c] << 8;
CPU_STOPPED = cpu[0x4d];
m68k_set_context(oldcontext);
#elif defined(EMU_F68K)
M68K_CONTEXT *context = is_sub ? &PicoCpuFS68k : &PicoCpuFM68k;
memcpy(context->dreg,cpu,0x40);
context->pc =*(unsigned int *)(cpu+0x40);
context->sr =*(unsigned int *)(cpu+0x44);
context->asp=*(unsigned int *)(cpu+0x48);
context->interrupts[0] = cpu[0x4c];
context->execinfo &= ~FM68K_HALTED;
if (cpu[0x4d]&1) context->execinfo |= FM68K_HALTED;
#endif
}
/* idle loop detection, not to be used in CD mode */
#ifdef EMU_C68K