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Trivia Madness: Improved graphics & colors [Angelo Salese]

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Angelo Salese 2009-12-16 19:48:08 +00:00
parent 2ba1316646
commit f9f9ca6f9a
1 changed files with 54 additions and 15 deletions
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69
src/mame/drivers/trvmadns.c
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@ -77,6 +77,7 @@ static WRITE8_HANDLER( trvmadns_banking_w )
if((data & 0xf0) == 0xa0)
{
/* FIXME: selects GFX char RAM bank here */
}
else if((data & 0xf0) == 0x80 || (data & 0xf0) == 0x90)
{
@ -146,21 +147,20 @@ static WRITE8_HANDLER( trvmadns_gfxram_w )
gfx_element_mark_dirty(space->machine->gfx[0], offset/16);
}
#ifdef UNUSED_FUNCTION
//WRONG!
static WRITE8_HANDLER( trvmadns_palette_w )
{
int r, g, b;
int r,g,b,datax;
space->machine->generic.paletteram.u8[offset] = data;
offset>>=1;
datax=space->machine->generic.paletteram.u8[offset*2+1]+256*space->machine->generic.paletteram.u8[offset*2];
r = space->machine->generic.paletteram.u8[offset & ~1] & 0xf;
g = (space->machine->generic.paletteram.u8[offset | 1] & 0xf0) >> 4;
b = space->machine->generic.paletteram.u8[offset | 1] & 0xf;
b = (((datax & 0x0007)>>0) | ((datax & 0x0200)>>6)) ^ 0xf;
r = (((datax & 0x0038)>>3) | ((datax & 0x0400)>>7)) ^ 0xf;
g = (((datax & 0x01c0)>>6) | ((datax & 0x0800)>>8)) ^ 0xf;
palette_set_color_rgb(space->machine, offset >> 1, pal4bit(r), pal4bit(g), pal4bit(b));
palette_set_color_rgb(space->machine, offset, pal4bit(r), pal4bit(g), pal4bit(b));
}
#endif
static WRITE8_HANDLER( w2 )
{
@ -202,8 +202,8 @@ static ADDRESS_MAP_START( cpu_map, ADDRESS_SPACE_PROGRAM, 8 )
AM_RANGE(0x7000, 0x7fff) AM_ROMBANK("bank2")
AM_RANGE(0x6000, 0x7fff) AM_WRITE(trvmadns_gfxram_w) AM_BASE(&trvmadns_gfxram)
AM_RANGE(0x8000, 0x87ff) AM_RAM
AM_RANGE(0xc000, 0xc01f) AM_RAM_WRITE(paletteram_xxxxBBBBRRRRGGGG_le_w) AM_BASE_GENERIC(paletteram)
AM_RANGE(0xa000, 0xbfff) AM_RAM_WRITE(trvmadns_tileram_w) AM_BASE(&trvmadns_tileram)
AM_RANGE(0xa000, 0xa7ff) AM_RAM_WRITE(trvmadns_tileram_w) AM_BASE(&trvmadns_tileram)
AM_RANGE(0xc000, 0xc01f) AM_RAM_WRITE(trvmadns_palette_w) AM_BASE_GENERIC(paletteram)
AM_RANGE(0xe000, 0xe000) AM_WRITE(w2)//NOP
AM_RANGE(0xe004, 0xe004) AM_WRITE(w3)//NOP
ADDRESS_MAP_END
@ -251,29 +251,68 @@ static TILE_GET_INFO( get_bg_tile_info )
color = (attr & 0x18) >> 3;
flag = TILE_FLIPXY((attr & 0x06) >> 1);
if((~attr & 0x20) || (~attr & 0x40))
flag |= TILE_FORCE_LAYER0;
// if((~attr & 0x20) || (~attr & 0x40))
// flag |= TILE_FORCE_LAYER0;
//0x20? tile transparent pen 1?
//0x40? tile transparent pen 1?
SET_TILE_INFO(0,tile,color,flag);
tileinfo->category = (attr & 0x20)>>5;
}
static VIDEO_START( trvmadns )
{
bg_tilemap = tilemap_create(machine, get_bg_tile_info, tilemap_scan_rows, 8, 8, 32, 32);
tilemap_set_transparent_pen(bg_tilemap,1);
// tilemap_set_transparent_pen(fg_tilemap,1);
gfx_element_set_source(machine->gfx[0], trvmadns_gfxram);
}
static VIDEO_UPDATE( trvmadns )
{
int x,y,count;
const gfx_element *gfx = screen->machine->gfx[0];
bitmap_fill(bitmap,cliprect,0xd);
tilemap_draw(bitmap,cliprect,bg_tilemap,0,0);
count = 0;
for (y=0;y<32;y++)
{
for (x=0;x<32;x++)
{
int attr = trvmadns_tileram[count*2+0];
int tile = trvmadns_tileram[count*2+1] | ((attr & 0x01) << 8);
int color = (attr & 0x18) >> 3;
int flipx = attr & 4;
int flipy = attr & 2;
if(!(attr & 0x20))
drawgfx_opaque(bitmap,cliprect,gfx,tile,color,flipx,flipy,(x*8),(y*8));
count++;
}
}
count = 0;
for (y=0;y<32;y++)
{
for (x=0;x<32;x++)
{
int attr = trvmadns_tileram[count*2+0];
int tile = trvmadns_tileram[count*2+1] | ((attr & 0x01) << 8);
int color = (attr & 0x18) >> 3;
int flipx = attr & 4;
int flipy = attr & 2;
if(attr & 0x20)
drawgfx_transpen(bitmap,cliprect,gfx,tile,color,flipx,flipy,(x*8),(y*8),1);
count++;
}
}
return 0;
}