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(mess) compis: work around graphics corruption (nw)

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This commit is contained in:
cracyc 2013-08-23 22:08:39 +00:00
parent c709407db8
commit 4f3f6d191e
1 changed files with 4 additions and 4 deletions
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8
src/mess/drivers/compis.c
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@ -96,7 +96,7 @@ static UPD7220_DISPLAY_PIXELS( hgdc_display_pixels )
{
compis_state *state = device->machine().driver_data<compis_state>();
const rgb_t *palette = palette_entry_list_raw(bitmap.palette());
UINT8 i,gfx = state->m_video_ram[address & 0x1ffff];
UINT8 i,gfx = state->m_video_ram[address];
for(i=0; i<8; i++)
bitmap.pix32(y, x + i) = palette[BIT((gfx >> i), 0)];
@ -114,7 +114,7 @@ static UPD7220_INTERFACE( hgdc_intf )
/* TODO: why it writes to ROM region? */
WRITE8_MEMBER( compis_state::vram_w )
{
m_video_ram[offset] = data;
m_video_ram[offset+0x1ffff] = data;
}
static ADDRESS_MAP_START( compis_mem , AS_PROGRAM, 16, compis_state )
@ -320,8 +320,8 @@ static SLOT_INTERFACE_START( compis_floppies )
SLOT_INTERFACE_END
static ADDRESS_MAP_START( upd7220_map, AS_0, 8, compis_state )
ADDRESS_MAP_GLOBAL_MASK(0x1ffff)
AM_RANGE(0x00000, 0x1ffff) AM_RAM AM_SHARE("video_ram")
ADDRESS_MAP_GLOBAL_MASK(0x3ffff)
AM_RANGE(0x00000, 0x3ffff) AM_RAM AM_SHARE("video_ram")
ADDRESS_MAP_END
static MACHINE_CONFIG_START( compis, compis_state )