void clshroad_state::firebatl_palette(palette_device &palette) const { const uint8_t *color_prom = memregion("proms")->base(); // create a lookup table for the palette for (int i = 0; i < 0x100; i++) { int const r = pal4bit(color_prom[i | 0x000]); int const g = pal4bit(color_prom[i | 0x100]); int const b = pal4bit(color_prom[i | 0x200]); palette.set_indirect_color(i, rgb_t(r, g, b)); } // color_prom now points to the beginning of the lookup table color_prom += 0x300; for (int i = 0; i < 0x200; i++) palette.set_pen_indirect(i, i & 0xff); for (int i = 0; i < 0x100; i++) { uint8_t const ctabentry = ((color_prom[i | 0x000] & 0x0f) << 4) | (color_prom[i | 0x100] & 0x0f); palette.set_pen_indirect(i | 0x200, ctabentry); } }
void kncljoe_state::kncljoe_palette(palette_device &palette) const { uint8_t const *color_prom = memregion("proms")->base(); // create a lookup table for the palette for (int i = 0; i < 0x80; i++) { int const r = pal4bit(color_prom[i + 0x000]); int const g = pal4bit(color_prom[i + 0x100]); int const b = pal4bit(color_prom[i + 0x200]); palette.set_indirect_color(i, rgb_t(r, g, b)); } for (int i = 0; i < 0x10; i++) { int bit0, bit1, bit2; // red component bit0 = 0; bit1 = BIT(color_prom[i + 0x300], 6); bit2 = BIT(color_prom[i + 0x300], 7); int const r = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2; // green component bit0 = BIT(color_prom[i + 0x300], 3); bit1 = BIT(color_prom[i + 0x300], 4); bit2 = BIT(color_prom[i + 0x300], 5); int const g = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2; // blue component bit0 = BIT(color_prom[i + 0x300], 0); bit1 = BIT(color_prom[i + 0x300], 1); bit2 = BIT(color_prom[i + 0x300], 2); int const b = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2; palette.set_indirect_color(i + 0x80, rgb_t(r, g, b)); } // color_prom now points to the beginning of the lookup table color_prom += 0x320; // chars for (int i = 0; i < 0x80; i++) palette.set_pen_indirect(i, i); // sprite lookup table for (int i = 0; i < 0x80; i++) { uint8_t const ctabentry = (color_prom[i] & 0x0f) | 0x80; palette.set_pen_indirect(i + 0x80, ctabentry); } }
void mermaid_state::rougien_palette(palette_device &palette) const { common_palette(palette); // black background palette.set_indirect_color(0x40, rgb_t(0, 0, 0)); // char/sprite palette for (int i = 0; i < 0x40; i++) palette.set_pen_indirect(i, i); // background palette palette.set_pen_indirect(0x40, 0x40); palette.set_pen_indirect(0x41, 0x00); palette.set_pen_indirect(0x42, 0x00); palette.set_pen_indirect(0x43, 0x02); }
void fastlane_state::fastlane_palette(palette_device &palette) const { uint8_t const *const color_prom = memregion("proms")->base(); for (int pal = 0; pal < 0x10; pal++) { for (int i = 0; i < 0x400; i++) { uint8_t const ctabentry = (i & 0x3f0) | color_prom[(pal << 4) | (i & 0x0f)]; palette.set_pen_indirect((pal << 10) | i, ctabentry); } } }
// copied from elsewhere. surely incorrect void dmndrby_state::dmndrby_palette(palette_device &palette) const { const uint8_t *color_prom = memregion("proms")->base(); static constexpr int resistances_rg[3] = { 1000, 470, 220 }; static constexpr int resistances_b [2] = { 470, 220 }; // compute the color output resistor weights double rweights[3], gweights[3], bweights[2]; compute_resistor_weights(0, 255, -1.0, 3, &resistances_rg[0], rweights, 470, 0, 3, &resistances_rg[0], gweights, 470, 0, 2, &resistances_b[0], bweights, 470, 0); // create a lookup table for the palette for (int i = 0; i < 0x20; i++) { int bit0, bit1, bit2; // red component */ bit0 = BIT(color_prom[i], 0); bit1 = BIT(color_prom[i], 1); bit2 = BIT(color_prom[i], 2); int const r = combine_3_weights(rweights, bit0, bit1, bit2); // green component bit0 = BIT(color_prom[i], 3); bit1 = BIT(color_prom[i], 4); bit2 = BIT(color_prom[i], 5); int const g = combine_3_weights(gweights, bit0, bit1, bit2); // blue component bit0 = BIT(color_prom[i], 6); bit1 = BIT(color_prom[i], 7); int const b = combine_2_weights(bweights, bit0, bit1); palette.set_indirect_color(i, rgb_t(r, g, b)); } // color_prom now points to the beginning of the lookup table color_prom = memregion("proms2")->base(); // normal tiles use colors 0-15 for (int i = 0x000; i < 0x300; i++) { uint8_t ctabentry = color_prom[i]; palette.set_pen_indirect(i, ctabentry); } }