diff options
| author | Michael Pavone <pavone@retrodev.com> | 2017-02-23 22:09:34 -0800 |
|---|---|---|
| committer | Michael Pavone <pavone@retrodev.com> | 2017-02-23 22:09:34 -0800 |
| commit | 9334324221481f0d0e0714a94f80bea3c7d59dfc (patch) | |
| tree | a29c0d63603cfa6f14dac828c0cc43503d20cc3f /xband.c | |
| parent | 1a3574ab4863a11bc40b6c7f760e905affc3cf31 (diff) | |
Minor xband fixes
Diffstat (limited to 'xband.c')
| -rw-r--r-- | xband.c | 9 |
1 files changed, 8 insertions, 1 deletions
@@ -47,7 +47,7 @@ static void update_control(genesis_context *gen, uint8_t value) if (value & BIT_ROM_HI) { gen->m68k->mem_pointers[0] = (uint16_t *)gen->save_storage; gen->m68k->mem_pointers[1] = NULL; - gen->m68k->mem_pointers[2] = x->cart_space; + gen->m68k->mem_pointers[2] = gen->cart; gen->m68k->mem_pointers[3] = x->cart_space - 0x100000; } else { gen->m68k->mem_pointers[0] = x->cart_space; @@ -182,6 +182,7 @@ static uint8_t xband_reg_read_b(uint32_t address, void *context) if (address < 0x3BFE00) { uint32_t offset = (address - 0x3BC001) / 2; if (offset < XBAND_REGS) { + printf("Regsister read: %X\n", address); return x->regs[offset]; } else { printf("Unhandled register read from address %X\n", address); @@ -248,6 +249,12 @@ rom_info xband_configure_rom(tern_node *rom_db, void *rom, uint32_t rom_size, vo if (lock_on && lock_on_size >= 0x200) { memcpy(x->cart_space + 0x80, ((uint16_t *)lock_on) + 0x80, 0x100); } + //observed power on values + memset(x->regs, 0x5D, sizeof(x->regs)); + x->regs[0x7C] = 0; + x->regs[0x7D] = 0x80; + x->regs[0xB4] = 0x7F; + byteswap_rom(0x400000, x->cart_space); info.map_chunks = base_chunks + 5; |