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Small design change, nw

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This commit is contained in:
Angelo Salese 2011-11-06 14:22:50 +00:00
parent cdd0600db4
commit 221eb6675c
1 changed files with 18 additions and 3 deletions
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21
src/mame/drivers/laserbas.c
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@ -48,6 +48,7 @@ public:
int m_vrambank;
UINT8 m_vram1[0x8000];
UINT8 m_vram2[0x8000];
UINT8 *m_protram;
};
@ -119,11 +120,26 @@ static WRITE8_HANDLER(vrambank_w)
state->m_vrambank = data & 0x40;
}
static READ8_HANDLER( protram_r )
{
laserbas_state *state = space->machine().driver_data<laserbas_state>();
return state->m_protram[offset];
}
static WRITE8_HANDLER( protram_w )
{
laserbas_state *state = space->machine().driver_data<laserbas_state>();
state->m_protram[offset] = data;
}
static ADDRESS_MAP_START( laserbas_memory, AS_PROGRAM, 8 )
//ADDRESS_MAP_UNMAP_HIGH
AM_RANGE(0x0000, 0x3fff) AM_ROM
AM_RANGE(0x4000, 0xbfff) AM_READWRITE(vram_r, vram_w)
AM_RANGE(0xc000, 0xf7ff) AM_ROM
AM_RANGE(0xf800, 0xfbff) AM_RAM /* protection device */
AM_RANGE(0xf800, 0xfbff) AM_READWRITE(protram_r, protram_w) AM_BASE_MEMBER(laserbas_state,m_protram) /* protection device */
AM_RANGE(0xfc00, 0xffff) AM_RAM
ADDRESS_MAP_END
@ -296,7 +312,6 @@ static MACHINE_CONFIG_START( laserbas, laserbas_state )
MCFG_PIT8253_ADD("pit0", laserbas_pit8253_intf_0)
MCFG_PIT8253_ADD("pit1", laserbas_pit8253_intf_1)
MCFG_MACHINE_START(laserbas)
MCFG_MACHINE_RESET(laserbas)
@ -404,4 +419,4 @@ ROM_END
GAME( 1981, laserbas, 0, laserbas, laserbas, 0, ROT270, "Hoei (Amstar license)", "Laser Base (set 1)", GAME_NO_SOUND | GAME_NOT_WORKING | GAME_SUPPORTS_SAVE )
GAME( 1981, laserbasa,laserbas, laserbas, laserbas, 0, ROT270, "Hoei (Amstar license)", "Laser Base (set 2)", GAME_NO_SOUND | GAME_NOT_WORKING | GAME_SUPPORTS_SAVE )
GAME( 1981, futflash, laserbas, laserbas, laserbas, 0, ROT270, "Hoei", "Future Flash", GAME_NO_SOUND | GAME_NOT_WORKING | GAME_SUPPORTS_SAVE )
GAME( 1981, futflash, laserbas, laserbas, laserbas, 0, ROT270, "Hoei", "Future Flash", GAME_NO_SOUND | GAME_NOT_WORKING | GAME_SUPPORTS_SAVE )