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memory map merging for ssrj.c

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This commit is contained in:
Angelo Salese 2009-04-12 21:17:50 +00:00
parent 293df05904
commit 4ac158219f
2 changed files with 14 additions and 39 deletions
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32
src/mame/drivers/ssrj.c
View File

@ -63,32 +63,22 @@ static READ8_HANDLER(ssrj_wheel_r)
return retval; return retval;
} }
static ADDRESS_MAP_START( readmem, ADDRESS_SPACE_PROGRAM, 8 ) static ADDRESS_MAP_START( ssrj_map, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x7fff) AM_READ(SMH_ROM) AM_RANGE(0x0000, 0x7fff) AM_ROM
AM_RANGE(0xc000, 0xc7ff) AM_READ(ssrj_vram1_r) AM_RANGE(0xc000, 0xc7ff) AM_RAM_WRITE(ssrj_vram1_w) AM_BASE(&ssrj_vram1)
AM_RANGE(0xc800, 0xcfff) AM_READ(ssrj_vram2_r) AM_RANGE(0xc800, 0xcfff) AM_RAM_WRITE(ssrj_vram2_w) AM_BASE(&ssrj_vram2)
AM_RANGE(0xd000, 0xd7ff) AM_READ(SMH_RAM) AM_RANGE(0xd000, 0xd7ff) AM_RAM AM_BASE(&ssrj_vram3)
AM_RANGE(0xd800, 0xdfff) AM_READ(ssrj_vram4_r) AM_RANGE(0xd800, 0xdfff) AM_RAM_WRITE(ssrj_vram4_w) AM_BASE(&ssrj_vram4)
AM_RANGE(0xe000, 0xe7ff) AM_READ(SMH_RAM) AM_RANGE(0xe000, 0xe7ff) AM_RAM
AM_RANGE(0xe800, 0xefff) AM_READ(SMH_RAM) AM_RANGE(0xe800, 0xefff) AM_RAM AM_BASE(&ssrj_scrollram)
AM_RANGE(0xf000, 0xf000) AM_READ_PORT("IN0") AM_RANGE(0xf000, 0xf000) AM_READ_PORT("IN0")
AM_RANGE(0xf001, 0xf001) AM_READ(ssrj_wheel_r) AM_RANGE(0xf001, 0xf001) AM_READ(ssrj_wheel_r)
AM_RANGE(0xf002, 0xf002) AM_READ_PORT("IN2") AM_RANGE(0xf002, 0xf002) AM_READ_PORT("IN2")
AM_RANGE(0xf401, 0xf401) AM_DEVREAD("ay", ay8910_r)
ADDRESS_MAP_END
static ADDRESS_MAP_START( writemem, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x0000, 0x7fff) AM_WRITE(SMH_ROM)
AM_RANGE(0xc000, 0xc7ff) AM_WRITE(ssrj_vram1_w) AM_BASE(&ssrj_vram1)
AM_RANGE(0xc800, 0xcfff) AM_WRITE(ssrj_vram2_w) AM_BASE(&ssrj_vram2)
AM_RANGE(0xd000, 0xd7ff) AM_WRITE(SMH_RAM) AM_BASE(&ssrj_vram3)
AM_RANGE(0xd800, 0xdfff) AM_WRITE(ssrj_vram4_w) AM_BASE(&ssrj_vram4)
AM_RANGE(0xe000, 0xe7ff) AM_WRITE(SMH_RAM)
AM_RANGE(0xe800, 0xefff) AM_WRITE(SMH_RAM) AM_BASE(&ssrj_scrollram)
AM_RANGE(0xf003, 0xf003) AM_WRITENOP /* unknown */ AM_RANGE(0xf003, 0xf003) AM_WRITENOP /* unknown */
AM_RANGE(0xf401, 0xf401) AM_DEVREAD("ay", ay8910_r)
AM_RANGE(0xf400, 0xf401) AM_DEVWRITE("ay", ay8910_address_data_w) AM_RANGE(0xf400, 0xf401) AM_DEVWRITE("ay", ay8910_address_data_w)
AM_RANGE(0xfc00, 0xfc00) AM_WRITENOP /* unknown */
AM_RANGE(0xf800, 0xf800) AM_WRITENOP /* wheel ? */ AM_RANGE(0xf800, 0xf800) AM_WRITENOP /* wheel ? */
AM_RANGE(0xfc00, 0xfc00) AM_WRITENOP /* unknown */
ADDRESS_MAP_END ADDRESS_MAP_END
static INPUT_PORTS_START( ssrj ) static INPUT_PORTS_START( ssrj )
@ -165,7 +155,7 @@ static MACHINE_DRIVER_START( ssrj )
/* basic machine hardware */ /* basic machine hardware */
MDRV_CPU_ADD("maincpu", Z80,8000000/2) MDRV_CPU_ADD("maincpu", Z80,8000000/2)
MDRV_CPU_PROGRAM_MAP(readmem,writemem) MDRV_CPU_PROGRAM_MAP(ssrj_map,0)
MDRV_CPU_VBLANK_INT("screen", irq0_line_hold) MDRV_CPU_VBLANK_INT("screen", irq0_line_hold)
/* video hardware */ /* video hardware */

21
src/mame/video/ssrj.c
View File

@ -11,18 +11,13 @@ WRITE8_HANDLER(ssrj_vram1_w)
tilemap_mark_tile_dirty(tilemap1,offset>>1); tilemap_mark_tile_dirty(tilemap1,offset>>1);
} }
READ8_HANDLER(ssrj_vram1_r)
{
return ssrj_vram1[offset];
}
static TILE_GET_INFO( get_tile_info1 ) static TILE_GET_INFO( get_tile_info1 )
{ {
int code; int code;
code=ssrj_vram1[tile_index<<1]+(ssrj_vram1[(tile_index<<1)+1]<<8); code=ssrj_vram1[tile_index<<1]+(ssrj_vram1[(tile_index<<1)+1]<<8);
SET_TILE_INFO( SET_TILE_INFO(
0, 0,
code&1023, code&0x3ff,
(code>>12)&0x3, (code>>12)&0x3,
((code & 0x8000) ? TILE_FLIPX:0) |( (code & 0x4000) ? TILE_FLIPY:0) ); ((code & 0x8000) ? TILE_FLIPX:0) |( (code & 0x4000) ? TILE_FLIPY:0) );
} }
@ -35,18 +30,13 @@ WRITE8_HANDLER(ssrj_vram2_w)
tilemap_mark_tile_dirty(tilemap2,offset>>1); tilemap_mark_tile_dirty(tilemap2,offset>>1);
} }
READ8_HANDLER(ssrj_vram2_r)
{
return ssrj_vram2[offset];
}
static TILE_GET_INFO( get_tile_info2 ) static TILE_GET_INFO( get_tile_info2 )
{ {
int code; int code;
code=ssrj_vram2[tile_index<<1]+(ssrj_vram2[(tile_index<<1)+1]<<8); code=ssrj_vram2[tile_index<<1]+(ssrj_vram2[(tile_index<<1)+1]<<8);
SET_TILE_INFO( SET_TILE_INFO(
0, 0,
code&1023, code&0x3ff,
((code>>12)&0x3)+4, ((code>>12)&0x3)+4,
((code & 0x8000) ? TILE_FLIPX:0) |( (code & 0x4000) ? TILE_FLIPY:0) ); ((code & 0x8000) ? TILE_FLIPX:0) |( (code & 0x4000) ? TILE_FLIPY:0) );
} }
@ -59,18 +49,13 @@ WRITE8_HANDLER(ssrj_vram4_w)
tilemap_mark_tile_dirty(tilemap4,offset>>1); tilemap_mark_tile_dirty(tilemap4,offset>>1);
} }
READ8_HANDLER(ssrj_vram4_r)
{
return ssrj_vram4[offset];
}
static TILE_GET_INFO( get_tile_info4 ) static TILE_GET_INFO( get_tile_info4 )
{ {
int code; int code;
code=ssrj_vram4[tile_index<<1]+(ssrj_vram4[(tile_index<<1)+1]<<8); code=ssrj_vram4[tile_index<<1]+(ssrj_vram4[(tile_index<<1)+1]<<8);
SET_TILE_INFO( SET_TILE_INFO(
0, 0,
code&1023, code&0x3ff,
((code>>12)&0x3)+12, ((code>>12)&0x3)+12,
((code & 0x8000) ? TILE_FLIPX:0) |( (code & 0x4000) ? TILE_FLIPY:0) ); ((code & 0x8000) ? TILE_FLIPX:0) |( (code & 0x4000) ? TILE_FLIPY:0) );
} }