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Documented an energy bar debug switch in aladbl, disabled by default [Angelo Salese]

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Angelo Salese 2010-05-17 19:06:45 +00:00
parent b02b9f3ee1
commit 9f62cadd52
1 changed files with 10 additions and 0 deletions
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10
src/mame/drivers/aladbl.c
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@ -186,9 +186,19 @@ static READ16_HANDLER( mk3ghw_dsw_r )
return input_port_read(space->machine, dswname[offset]);
}
#define ENERGY_CONSOLE_MODE 0
static DRIVER_INIT( aladbl )
{
/*
* Game does a check @ 1afc00 with work ram fff57c that makes it play like it was intended (i.e. 8 energy hits instead of 2)
* It's possible that a DIP-Switch controls this, but game resets as soon as you try to enable it (protection?)
*/
#if ENERGY_CONSOLE_MODE
UINT16 *rom = (UINT16 *)memory_region(machine, "maincpu");
rom[0x1afc08/2] = 0x6600;
#endif
// 220000 = writes to mcu? 330000 = reads?
memory_install_write16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x220000, 0x220001, 0, 0, aladbl_w);
memory_install_read16_handler(cputag_get_address_space(machine, "maincpu", ADDRESS_SPACE_PROGRAM), 0x330000, 0x330001, 0, 0, aladbl_r);