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drop legacy save support

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the format has been changed like 10 years ago
This commit is contained in:
notaz 2017-10-06 01:34:24 +03:00
parent 4aedc59300
commit e64886365d
2 changed files with 7 additions and 89 deletions
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35
pico/z80if.c
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@ -119,29 +119,6 @@ void z80_reset(void)
#endif
}
/* save state stuff */
static int z80_unpack_legacy(const void *data)
{
#if defined(_USE_DRZ80)
if (*(int *)data == 0x015A7244) { // "DrZ" v1 save?
u32 pc, sp;
memcpy(&drZ80, data+4, 0x54);
pc = (drZ80.Z80PC - drZ80.Z80PC_BASE) & 0xffff;
sp = (drZ80.Z80SP - drZ80.Z80SP_BASE) & 0xffff;
// update bases
drz80_load_pcsp(pc, sp);
return 0;
}
#elif defined(_USE_CZ80)
if (*(int *)data == 0x00007a43) { // "Cz" save?
memcpy(&CZ80, data+8, offsetof(cz80_struc, BasePC));
Cz80_Set_Reg(&CZ80, CZ80_PC, *(int *)(data+4));
return 0;
}
#endif
return -1;
}
struct z80sr_main {
u8 a, f;
u8 b, c;
@ -226,9 +203,7 @@ int z80_unpack(const void *data)
{
const struct z80_state *s = data;
if (strcmp(s->magic, "Z80") != 0) {
if (z80_unpack_legacy(data) != 0)
goto fail;
elprintf(EL_STATUS, "legacy z80 state");
elprintf(EL_STATUS, "legacy z80 state - ignored");
return 0;
}
@ -278,13 +253,9 @@ int z80_unpack(const void *data)
Cz80_Set_Reg(&CZ80, CZ80_IRQ, s->irq_pending ? HOLD_LINE : CLEAR_LINE);
return 0;
}
#else
return 0;
#endif
fail:
elprintf(EL_STATUS|EL_ANOMALY, "z80_unpack failed");
z80_reset();
z80_int();
return -1;
}
void z80_exit(void)