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optimized tecmosys.c a bit after testing it on a lower end system ;-)

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This commit is contained in:
davidhay 2008-05-31 19:24:33 +00:00
parent 4c4a9c1278
commit df5d09299d
1 changed files with 46 additions and 9 deletions
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55
src/mame/drivers/tecmosys.c
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@ -2,6 +2,14 @@
Driver by Farfetch, David Haywood & Tomasz Slanina
Protection simulation by nuapete
ToDo:
Tilemap scroll regs (protection related?, they don't seem to get written with valid values)
Sprite Zoom
Priorities
Redump GFX rom for Deroon Dero Dero
Fix Sound (are the sound roms good?)
T.Slanina 20040530 :
- preliminary gfx decode,
- Angel Eyes - patched interrupt level1 vector
@ -217,6 +225,12 @@ static TILE_GET_INFO( get_bg0tile_info )
TILE_FLIPYX((bg0tilemap_ram[2*tile_index]&0xc0)>>6));
}
static WRITE16_HANDLER( bg0_tilemap_w )
{
COMBINE_DATA(&bg0tilemap_ram[offset]);
tilemap_mark_tile_dirty(bg0tilemap,offset/2);
}
static tilemap *bg1tilemap;
static TILE_GET_INFO( get_bg1tile_info )
{
@ -228,6 +242,12 @@ static TILE_GET_INFO( get_bg1tile_info )
TILE_FLIPYX((bg1tilemap_ram[2*tile_index]&0xc0)>>6));
}
static WRITE16_HANDLER( bg1_tilemap_w )
{
COMBINE_DATA(&bg1tilemap_ram[offset]);
tilemap_mark_tile_dirty(bg1tilemap,offset/2);
}
static tilemap *bg2tilemap;
static TILE_GET_INFO( get_bg2tile_info )
{
@ -239,6 +259,11 @@ static TILE_GET_INFO( get_bg2tile_info )
TILE_FLIPYX((bg2tilemap_ram[2*tile_index]&0xc0)>>6));
}
static WRITE16_HANDLER( bg2_tilemap_w )
{
COMBINE_DATA(&bg2tilemap_ram[offset]);
tilemap_mark_tile_dirty(bg2tilemap,offset/2);
}
static tilemap *txt_tilemap;
static TILE_GET_INFO( get_tile_info )
@ -251,6 +276,12 @@ static TILE_GET_INFO( get_tile_info )
TILE_FLIPYX((fgtilemap_ram[2*tile_index]&0xc0)>>6));
}
static WRITE16_HANDLER( fg_tilemap_w )
{
COMBINE_DATA(&fgtilemap_ram[offset]);
tilemap_mark_tile_dirty(txt_tilemap,offset/2);
}
// It looks like this needs a synch between z80 and 68k ??? See z80:006A-0091
static READ16_HANDLER( sound_r )
@ -321,7 +352,7 @@ static ADDRESS_MAP_START( readmem, ADDRESS_SPACE_PROGRAM, 16 )
AM_RANGE(0x000000, 0x0fffff) AM_READ(SMH_ROM)
AM_RANGE(0x200000, 0x20ffff) AM_READ(SMH_RAM) // work ram
AM_RANGE(0x210000, 0x210001) AM_READ(SMH_NOP) // single byte overflow on stack defined as 0x210000
AM_RANGE(0x300000, 0x3013ff) AM_READ(SMH_RAM) // bg0 ram
AM_RANGE(0x300000, 0x3013ff) AM_READ(SMH_RAM) // bg0 ram
AM_RANGE(0x400000, 0x4013ff) AM_READ(SMH_RAM) // bg1 ram
AM_RANGE(0x500000, 0x5013ff) AM_READ(SMH_RAM) // bg2 ram
AM_RANGE(0x700000, 0x703fff) AM_READ(SMH_RAM) // fix ram (all these names from test screen)
@ -365,10 +396,16 @@ WRITE16_HANDLER( tilemap_paletteram16_xGGGGGRRRRRBBBBB_word_w )
static ADDRESS_MAP_START( writemem, ADDRESS_SPACE_PROGRAM, 16 )
AM_RANGE(0x000000, 0x0fffff) AM_WRITE(SMH_ROM)
AM_RANGE(0x200000, 0x20ffff) AM_WRITE(SMH_RAM) // work ram
AM_RANGE(0x300000, 0x3013ff) AM_WRITE(SMH_RAM) AM_BASE(&bg0tilemap_ram) // bg0 ram
AM_RANGE(0x400000, 0x4013ff) AM_WRITE(SMH_RAM) AM_BASE(&bg1tilemap_ram) // bg1 ram
AM_RANGE(0x500000, 0x5013ff) AM_WRITE(SMH_RAM) AM_BASE(&bg2tilemap_ram) // bg2 ram
AM_RANGE(0x700000, 0x703fff) AM_WRITE(SMH_RAM) AM_BASE(&fgtilemap_ram) // fix ram
AM_RANGE(0x300000, 0x300fff) AM_WRITE(bg0_tilemap_w) AM_BASE(&bg0tilemap_ram) // bg0 ram
AM_RANGE(0x301000, 0x3013ff) AM_WRITE(SMH_RAM) // bg0 linescroll? (guess)
AM_RANGE(0x400000, 0x400fff) AM_WRITE(bg1_tilemap_w) AM_BASE(&bg1tilemap_ram) // bg1 ram
AM_RANGE(0x401000, 0x4013ff) AM_WRITE(SMH_RAM) // bg1 linescroll? (guess)
AM_RANGE(0x500000, 0x500fff) AM_WRITE(bg2_tilemap_w) AM_BASE(&bg2tilemap_ram) // bg2 ram
AM_RANGE(0x501000, 0x5013ff) AM_WRITE(SMH_RAM) // bg2 linescroll? (guess)
AM_RANGE(0x700000, 0x703fff) AM_WRITE(fg_tilemap_w) AM_BASE(&fgtilemap_ram) // fix ram
AM_RANGE(0x800000, 0x80ffff) AM_WRITE(SMH_RAM) AM_BASE(&tecmosys_spriteram) // obj ram
AM_RANGE(0x900000, 0x907fff) AM_WRITE(paletteram16_xGGGGGRRRRRBBBBB_word_w) AM_BASE(&paletteram16) // AM_WRITE(SMH_RAM) // obj pal
@ -534,10 +571,10 @@ static VIDEO_UPDATE(deroon)
fillbitmap(bitmap,0x000,cliprect);
tilemap_mark_all_tiles_dirty(bg1tilemap);
// tilemap_mark_all_tiles_dirty(bg1tilemap);
tilemap_draw(bitmap,cliprect,bg1tilemap,0,0);
tilemap_mark_all_tiles_dirty(bg0tilemap);
// tilemap_mark_all_tiles_dirty(bg0tilemap);
tilemap_draw(bitmap,cliprect,bg0tilemap,0,0);
/* there are multiple spritelists in here, to allow for buffering */
@ -620,11 +657,11 @@ static VIDEO_UPDATE(deroon)
}
tilemap_mark_all_tiles_dirty(bg2tilemap);
// tilemap_mark_all_tiles_dirty(bg2tilemap);
tilemap_draw(bitmap,cliprect,bg2tilemap,0,0);
tilemap_mark_all_tiles_dirty(txt_tilemap);
// tilemap_mark_all_tiles_dirty(txt_tilemap);
tilemap_draw(bitmap,cliprect,txt_tilemap,0,0);