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32x: some hacks..

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This commit is contained in:
notaz 2013-08-18 02:43:52 +03:00
parent 77e58d93fe
commit 419973a6d6
3 changed files with 26 additions and 3 deletions
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22
pico/32x/memory.c
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@ -195,8 +195,10 @@ static u32 p32x_reg_read16(u32 a)
m68k_poll.cnt = 0;
dr2 = SekDar(2);
if (cycles - msh2.m68krcycles_done > 500)
if (cycles - msh2.m68krcycles_done > 244
|| (Pico32x.comm_dirty_68k & comreg))
p32x_sync_sh2s(cycles);
if (Pico32x.comm_dirty_sh2 & comreg)
Pico32x.comm_dirty_sh2 &= ~comreg;
else if (m68k_poll_detect(a, cycles, P32XF_68KCPOLL)) {
@ -1523,6 +1525,21 @@ void REGPARM(3) p32x_sh2_write32(u32 a, u32 d, SH2 *sh2)
// -----------------------------------------------------------------
static void z80_md_bank_write_32x(unsigned int a, unsigned char d)
{
unsigned int addr68k;
addr68k = Pico.m.z80_bank68k << 15;
addr68k += a & 0x7fff;
if ((addr68k & 0xfff000) == 0xa15000)
Pico32x.emu_flags |= P32XF_Z80_32X_IO;
elprintf(EL_Z80BNK, "z80->68k w8 [%06x] %02x", addr68k, d);
m68k_write8(addr68k, d);
}
// -----------------------------------------------------------------
static const u16 msh2_code[] = {
// trap instructions
0xaffe, // bra <self>
@ -1779,6 +1796,9 @@ void PicoMemSetup32x(void)
sh2_drc_mem_setup(&msh2);
sh2_drc_mem_setup(&ssh2);
// z80 hack
z80_map_set(z80_write_map, 0x8000, 0xffff, z80_md_bank_write_32x, 1);
}
void Pico32xMemStateLoaded(void)