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fix for "00989: qgh: If you do a metamorphose, the screen turns black without displaying words/pictures. "

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shared palette ram should actually be shared..
This commit is contained in:
davidhay 2008-10-06 21:10:09 +00:00
parent 04c37c7bcb
commit c03c27eef3
3 changed files with 13 additions and 2 deletions
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6
src/mame/drivers/segas24.c
View File

@ -1017,6 +1017,8 @@ fc-ff ramhi
The BIOS ROM mirror at $100000 is common to both CPUs.
*/
static ADDRESS_MAP_START( system24_cpu1_map, ADDRESS_SPACE_PROGRAM, 16 )
AM_RANGE(0x000000, 0x03ffff) AM_MIRROR(0x040000) AM_ROM AM_REGION("main", 0)
AM_RANGE(0x080000, 0x0bffff) AM_MIRROR(0x040000) AM_RAM AM_SHARE(1)
@ -1027,7 +1029,7 @@ static ADDRESS_MAP_START( system24_cpu1_map, ADDRESS_SPACE_PROGRAM, 16 )
AM_RANGE(0x260000, 0x260001) AM_MIRROR(0x10fffe) AM_WRITENOP /* Frame trigger position (XVOUT) */
AM_RANGE(0x270000, 0x270001) AM_MIRROR(0x10fffe) AM_WRITENOP /* Synchronization mode */
AM_RANGE(0x280000, 0x29ffff) AM_MIRROR(0x160000) AM_READWRITE(sys24_char_r, sys24_char_w)
AM_RANGE(0x400000, 0x403fff) AM_MIRROR(0x1f8000) AM_RAM_WRITE(system24temp_sys16_paletteram1_w) AM_BASE(&paletteram16)
AM_RANGE(0x400000, 0x403fff) AM_MIRROR(0x1f8000) AM_READWRITE(system24temp_sys16_paletteram1_r, system24temp_sys16_paletteram1_w) AM_BASE(&paletteram16)
AM_RANGE(0x404000, 0x40401f) AM_MIRROR(0x1fbfe0) AM_READWRITE(sys24_mixer_r, sys24_mixer_w)
AM_RANGE(0x600000, 0x63ffff) AM_MIRROR(0x180000) AM_READWRITE(sys24_sprite_r, sys24_sprite_w)
AM_RANGE(0x800000, 0x80007f) AM_MIRROR(0x1ffe00) AM_READWRITE(system24temp_sys16_io_r, system24temp_sys16_io_w)
@ -1065,7 +1067,7 @@ static ADDRESS_MAP_START( system24_cpu2_map, ADDRESS_SPACE_PROGRAM, 16 )
AM_RANGE(0x260000, 0x260001) AM_MIRROR(0x10fffe) AM_WRITENOP /* Frame trigger position (XVOUT) */
AM_RANGE(0x270000, 0x270001) AM_MIRROR(0x10fffe) AM_WRITENOP /* Synchronization mode */
AM_RANGE(0x280000, 0x29ffff) AM_MIRROR(0x160000) AM_READWRITE(sys24_char_r, sys24_char_w)
AM_RANGE(0x400000, 0x403fff) AM_MIRROR(0x1f8000) AM_RAM_WRITE(system24temp_sys16_paletteram1_w)
AM_RANGE(0x400000, 0x403fff) AM_MIRROR(0x1f8000) AM_READWRITE(system24temp_sys16_paletteram1_r, system24temp_sys16_paletteram1_w)
AM_RANGE(0x404000, 0x40401f) AM_MIRROR(0x1fbfe0) AM_READWRITE(sys24_mixer_r, sys24_mixer_w)
AM_RANGE(0x600000, 0x63ffff) AM_MIRROR(0x180000) AM_READWRITE(sys24_sprite_r, sys24_sprite_w)
AM_RANGE(0x800000, 0x80007f) AM_MIRROR(0x1ffe00) AM_READWRITE(system24temp_sys16_io_r, system24temp_sys16_io_w)

8
src/mame/video/segaic24.c
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@ -43,6 +43,14 @@ static void set_color(running_machine *machine, int color, UINT8 r, UINT8 g, UIN
}
// 315-5242
// qgh expects to be able to read the palette shared between CPUs
READ16_HANDLER( system24temp_sys16_paletteram1_r )
{
return paletteram16[offset];
}
WRITE16_HANDLER (system24temp_sys16_paletteram1_w)
{
int r, g, b;

1
src/mame/video/segaic24.h
View File

@ -6,6 +6,7 @@
just made a copy & renamed them for now to avoid any conflicts
*/
READ16_HANDLER (system24temp_sys16_paletteram1_r);
WRITE16_HANDLER (system24temp_sys16_paletteram1_w);
// Tilemaps