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core, improve save/load (68k cycles)

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kub 2022-01-06 21:56:26 +01:00
parent e45908d734
commit dfda34424a
2 changed files with 16 additions and 12 deletions
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23
pico/sek.c
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@ -197,7 +197,7 @@ PICO_INTERNAL void SekPackCpu(unsigned char *cpu, int is_sub)
#if defined(EMU_C68K)
struct Cyclone *context = is_sub ? &PicoCpuCS68k : &PicoCpuCM68k;
memcpy(cpu,context->d,0x40);
pc=context->pc-context->membase;
*(u32 *)(cpu+0x40)=context->pc-context->membase;
*(u32 *)(cpu+0x44)=CycloneGetSr(context);
*(u32 *)(cpu+0x48)=context->osp;
cpu[0x4c] = context->irq;
@ -206,7 +206,7 @@ PICO_INTERNAL void SekPackCpu(unsigned char *cpu, int is_sub)
void *oldcontext = m68ki_cpu_p;
m68k_set_context(is_sub ? &PicoCpuMS68k : &PicoCpuMM68k);
memcpy(cpu,m68ki_cpu_p->dar,0x40);
pc=m68ki_cpu_p->pc;
*(u32 *)(cpu+0x40)=m68ki_cpu_p->pc;
*(u32 *)(cpu+0x44)=m68k_get_reg(NULL, M68K_REG_SR);
*(u32 *)(cpu+0x48)=m68ki_cpu_p->sp[m68ki_cpu_p->s_flag^SFLAG_SET];
cpu[0x4c] = CPU_INT_LEVEL>>8;
@ -215,16 +215,20 @@ PICO_INTERNAL void SekPackCpu(unsigned char *cpu, int is_sub)
#elif defined(EMU_F68K)
M68K_CONTEXT *context = is_sub ? &PicoCpuFS68k : &PicoCpuFM68k;
memcpy(cpu,context->dreg,0x40);
pc=context->pc;
*(u32 *)(cpu+0x40)=context->pc;
*(u32 *)(cpu+0x44)=context->sr;
*(u32 *)(cpu+0x48)=context->asp;
cpu[0x4c] = context->interrupts[0];
cpu[0x4d] = (context->execinfo & FM68K_HALTED) ? 1 : 0;
#endif
*(u32 *)(cpu+0x40) = pc;
*(u32 *)(cpu+0x50) =
is_sub ? SekCycleCntS68k : Pico.t.m68c_cnt;
if (is_sub) {
*(u32 *)(cpu+0x50) = SekCycleCntS68k;
*(s16 *)(cpu+0x4e) = SekCycleCntS68k - SekCycleAimS68k;
} else {
*(u32 *)(cpu+0x50) = Pico.t.m68c_cnt;
*(u32 *)(cpu+0x4e) = Pico.t.m68c_cnt - Pico.t.m68c_aim;
}
}
PICO_INTERNAL void SekUnpackCpu(const unsigned char *cpu, int is_sub)
@ -261,10 +265,13 @@ PICO_INTERNAL void SekUnpackCpu(const unsigned char *cpu, int is_sub)
context->execinfo &= ~FM68K_HALTED;
if (cpu[0x4d]&1) context->execinfo |= FM68K_HALTED;
#endif
if (is_sub)
if (is_sub) {
SekCycleCntS68k = *(u32 *)(cpu+0x50);
else
SekCycleAimS68k = SekCycleCntS68k - *(s16 *)(cpu+0x4e);
} else {
Pico.t.m68c_cnt = *(u32 *)(cpu+0x50);
Pico.t.m68c_aim = Pico.t.m68c_cnt - *(s16 *)(cpu+0x4e);
}
}

5
pico/state.c
View file

@ -582,14 +582,11 @@ readend:
z80_unpack(buff_z80);
// due to dep from 68k cycles..
Pico.t.m68c_frame_start = Pico.t.m68c_aim = Pico.t.m68c_cnt;
Pico.t.m68c_frame_start = Pico.t.m68c_aim;
if (PicoIn.AHW & PAHW_32X)
Pico32xStateLoaded(0);
if (PicoIn.AHW & PAHW_MCD)
{
SekCycleAimS68k = SekCycleCntS68k;
pcd_state_loaded();
}
Pico.m.dirtyPal = 1;
Pico.video.status &= ~(SR_VB | SR_F);