unsigned long z80_read_map [0x10000 >> Z80_MEM_SHIFT];
unsigned long z80_write_map[0x10000 >> Z80_MEM_SHIFT];
-void MEMH_FUNC z80_map_set(unsigned long *map, int start_addr, int end_addr,
- void *func_or_mh, int is_func)
-{
- unsigned long addr = (unsigned long)func_or_mh;
- int mask = (1 << Z80_MEM_SHIFT) - 1;
- int i;
-
- if ((start_addr & mask) != 0 || (end_addr & mask) != mask)
- elprintf(EL_STATUS|EL_ANOMALY, "z80_map_set: tried to map bad range: %04x-%04x",
- start_addr, end_addr);
-
- if (addr & 1) {
- elprintf(EL_STATUS|EL_ANOMALY, "z80_map_set: ptr is not aligned: %08lx", addr);
- return;
- }
-
- for (i = start_addr >> Z80_MEM_SHIFT; i <= end_addr >> Z80_MEM_SHIFT; i++)
- if (is_func)
- map[i] = (addr >> 1) | (1 << (sizeof(addr) * 8 - 1));
- else
- map[i] = (addr - (i << Z80_MEM_SHIFT)) >> 1;
-}
-
#ifdef _USE_MZ80
// memhandlers for mz80 core
drZ80.Z80IM = 0; // 1?
drZ80.z80irqvector = 0xff0000; // RST 38h
drZ80.Z80PC_BASE = drZ80.Z80PC = z80_read_map[0] << 1;
- drZ80.Z80SP_BASE = z80_read_map[0] << 1;
+ // drZ80 is locked in single bank
+ drZ80.Z80SP_BASE = ((PicoAHW & PAHW_SMS) ?
+ z80_read_map[0xc000 >> Z80_MEM_SHIFT] : z80_read_map[0]) << 1;
// drZ80.Z80SP = drZ80.z80_rebaseSP(0x2000); // 0xf000 ?
#endif
#ifdef _USE_CZ80
Cz80_Set_Reg(&CZ80, CZ80_IY, 0xffff);
Cz80_Set_Reg(&CZ80, CZ80_SP, 0x2000);
#endif
- Pico.m.z80_fakeval = 0; // for faking when Z80 is disabled
}
// XXX TODO: should better use universal z80 save format