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redclash: improve sprite colors

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hap 2022-08-27 01:52:17 +02:00
parent 9e4842c64a
commit 0a2ee566cf
2 changed files with 16 additions and 15 deletions
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17
src/mame/universal/redclash.cpp
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@ -9,15 +9,18 @@ runs on hardware similar to Lady Bug
driver by inkling driver by inkling
Notes: Notes:
- In the Tehkan set (redclsha) the ship doesn't move during attract mode. Earlier version? - In the Tehkan set (redclashta) the ship doesn't move during attract mode.
Gameplay is different too. Earlier version? Gameplay is different too.
TODO: TODO:
- Colors might be right, need screen shots to verify - Colors are not right. In zerohour P1 score should be white, the top score green,
and "TOP" should be magenta. How is this determined? It's as if only the top part
- Some graphical problems in both games, but without screenshots its hard to of the screen has this exception. Sprite colors look ok.
know what we're aiming for - Some graphical problems in both games
- redclash supports more background layer effects: white+mixed with other colors,
used in canyon parts and during the big ufo explosion
- Player bullets: should be 8*2px magenta in zerohour. It's weirder in redclash:
1st half of the screen 4*2px red, 2nd half 8*2px yellow.
- Sound (analog, schematics available for Zero Hour) - Sound (analog, schematics available for Zero Hour)
***************************************************************************/ ***************************************************************************/

8
src/mame/universal/redclash_v.cpp
View File

@ -85,10 +85,10 @@ void redclash_state::palette(palette_device &palette) const
{ {
uint8_t ctabentry; uint8_t ctabentry;
ctabentry = bitswap<4>((color_prom[i] >> 0) & 0x0f, 0,1,2,3); ctabentry = bitswap<4>(color_prom[i], 0,1,2,3);
palette.set_pen_indirect(i + 0x20, ctabentry); palette.set_pen_indirect(i + 0x20, ctabentry);
ctabentry = bitswap<4>((color_prom[i] >> 4) & 0x0f, 0,1,2,3); ctabentry = bitswap<4>(color_prom[i], 4,5,6,7);
palette.set_pen_indirect(i + 0x40, ctabentry); palette.set_pen_indirect(i + 0x40, ctabentry);
} }
@ -152,11 +152,10 @@ void redclash_state::draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprec
if (m_spriteram[offs + i] & 0x80) if (m_spriteram[offs + i] & 0x80)
{ {
int color = m_spriteram[offs + i + 2] & 0x0f; int color = bitswap<4>(m_spriteram[offs + i + 2], 5,2,1,0);
int sx = m_spriteram[offs + i + 3]; int sx = m_spriteram[offs + i + 3];
int sy = offs / 4 + (m_spriteram[offs + i] & 0x07); int sy = offs / 4 + (m_spriteram[offs + i] & 0x07);
switch ((m_spriteram[offs + i] & 0x18) >> 3) switch ((m_spriteram[offs + i] & 0x18) >> 3)
{ {
case 3: /* 24x24 */ case 3: /* 24x24 */
@ -222,7 +221,6 @@ void redclash_state::draw_bullets( bitmap_ind16 &bitmap, const rectangle &clipre
{ {
for (int offs = 0; offs < 0x20; offs++) for (int offs = 0; offs < 0x20; offs++)
{ {
// sx = m_videoramoffs];
int sx = 8 * offs + (m_videoram[offs] & 0x07); /* ?? */ int sx = 8 * offs + (m_videoram[offs] & 0x07); /* ?? */
int sy = 0xff - m_videoram[offs + 0x20]; int sy = 0xff - m_videoram[offs + 0x20];