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Fixed foreground & background colors and hand-tuned sound in Zero Target based on a side-by-side test [Angelo Salese]

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Will convert & upload that video to somewhere shortly...
This commit is contained in:
Angelo Salese 2009-03-03 22:36:59 +00:00
parent 3f41bea70c
commit f705a69e70
1 changed files with 14 additions and 15 deletions
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29
src/mame/drivers/cntsteer.c
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@ -13,7 +13,7 @@
finish
sprite fixes
correct roz rotation
colour fixes for the foreground layer and the sprites
colour fixes for the sprites
Dip-Switches
make cntsteer work, comms looks awkward and probably different than Zero Target
cleanup
@ -42,19 +42,19 @@ static PALETTE_INIT( zerotrgt )
int bit0,bit1,bit2,r,g,b;
/* red component */
bit0 = (color_prom[i] >> 2) & 0x01;
bit0 = (color_prom[i] >> 0) & 0x01;
bit1 = (color_prom[i] >> 1) & 0x01;
bit2 = (color_prom[i] >> 0) & 0x01;
r = /*255 - */(0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2);
bit2 = (color_prom[i] >> 2) & 0x01;
g = /*255 - */(0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2);
/* green component */
bit0 = (color_prom[i] >> 6) & 0x01;
bit0 = (color_prom[i] >> 4) & 0x01;
bit1 = (color_prom[i] >> 5) & 0x01;
bit2 = (color_prom[i] >> 4) & 0x01;
g =/* 255 - */(0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2);
bit2 = (color_prom[i] >> 6) & 0x01;
r =/* 255 - */(0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2);
/* blue component */
bit0 = (color_prom[i+256] >> 2) & 0x01;
bit0 = (color_prom[i+256] >> 0) & 0x01;
bit1 = (color_prom[i+256] >> 1) & 0x01;
bit2 = (color_prom[i+256] >> 0) & 0x01;
bit2 = (color_prom[i+256] >> 2) & 0x01;
b = /*255 - */(0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2);
palette_set_color(machine,i,MAKE_RGB(r,g,b));
@ -75,8 +75,7 @@ static TILE_GET_INFO( get_fg_tile_info )
code|= (attr & 0x01)<<8;
/*TODO: bit 3 (8) used on the plane junctions but unknown purpose (color mask? Inverted bitplanes?) */
SET_TILE_INFO(0, code, 0x20+((attr & 0x70)>>4), 0);
SET_TILE_INFO(0, code, 0x30+((attr & 0x78)>>3), 0);
}
static VIDEO_START( zerotrgt )
@ -147,7 +146,7 @@ static void draw_sprites(running_machine *machine, bitmap_t *bitmap, const recta
static VIDEO_UPDATE( zerotrgt )
{
if(disable_roz)
bitmap_fill(bitmap,cliprect,get_black_pen(screen->machine)); //black or pen 0?
bitmap_fill(bitmap, cliprect, screen->machine->pens[8*bg_color_bank]); //guess, might just be 0
else
{
tilemap_draw_roz(bitmap, cliprect, bg_tilemap,
@ -361,7 +360,7 @@ static const gfx_layout zerotrgt_charlayout =
8,8,
0x200,
2,
{ 4,0 },
{ 0,4 },
{ 0, 1, 2, 3, 1024*8*8+0, 1024*8*8+1, 1024*8*8+2, 1024*8*8+3 },
{ 0*8, 1*8, 2*8, 3*8, 4*8, 5*8, 6*8, 7*8 },
8*8 /* every tile takes 32 consecutive bytes */
@ -426,7 +425,7 @@ static MACHINE_DRIVER_START( cntsteer )
MDRV_CPU_ADD("audiocpu", M6502, 1500000) /* ? */
MDRV_CPU_PROGRAM_MAP(sound_map,0)
MDRV_CPU_PERIODIC_INT(sound_interrupt, 1000)
MDRV_CPU_PERIODIC_INT(sound_interrupt, 640)
/* video hardware */
MDRV_SCREEN_ADD("screen", RASTER)
@ -465,7 +464,7 @@ static MACHINE_DRIVER_START( zerotrgt )
MDRV_CPU_ADD("audiocpu", M6502, 1500000) /* ? */
MDRV_CPU_PROGRAM_MAP(sound_map,0)
MDRV_CPU_PERIODIC_INT(sound_interrupt, 1000)
MDRV_CPU_PERIODIC_INT(sound_interrupt, 640)
MDRV_QUANTUM_TIME(HZ(6000))