diff options
Diffstat (limited to 'src/mame/video/firetrap.cpp')
-rw-r--r-- | src/mame/video/firetrap.cpp | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/src/mame/video/firetrap.cpp b/src/mame/video/firetrap.cpp index dbcceb95ea6..d395c85a5fa 100644 --- a/src/mame/video/firetrap.cpp +++ b/src/mame/video/firetrap.cpp @@ -36,34 +36,31 @@ ***************************************************************************/ -PALETTE_INIT_MEMBER(firetrap_state, firetrap) +void firetrap_state::firetrap_palette(palette_device &palette) const { - const uint8_t *color_prom = memregion("proms")->base(); - int i; + uint8_t const *const color_prom = memregion("proms")->base(); - - for (i = 0; i < palette.entries(); i++) + for (int i = 0; i < palette.entries(); i++) { - int bit0, bit1, bit2, bit3, r, g, b; - + int bit0, bit1, bit2, bit3; bit0 = (color_prom[i] >> 0) & 0x01; bit1 = (color_prom[i] >> 1) & 0x01; bit2 = (color_prom[i] >> 2) & 0x01; bit3 = (color_prom[i] >> 3) & 0x01; - r = 0x0e * bit0 + 0x1f * bit1 + 0x43 * bit2 + 0x8f * bit3; + int const r = 0x0e * bit0 + 0x1f * bit1 + 0x43 * bit2 + 0x8f * bit3; bit0 = (color_prom[i] >> 4) & 0x01; bit1 = (color_prom[i] >> 5) & 0x01; bit2 = (color_prom[i] >> 6) & 0x01; bit3 = (color_prom[i] >> 7) & 0x01; - g = 0x0e * bit0 + 0x1f * bit1 + 0x43 * bit2 + 0x8f * bit3; + int const g = 0x0e * bit0 + 0x1f * bit1 + 0x43 * bit2 + 0x8f * bit3; bit0 = (color_prom[i + palette.entries()] >> 0) & 0x01; bit1 = (color_prom[i + palette.entries()] >> 1) & 0x01; bit2 = (color_prom[i + palette.entries()] >> 2) & 0x01; bit3 = (color_prom[i + palette.entries()] >> 3) & 0x01; - b = 0x0e * bit0 + 0x1f * bit1 + 0x43 * bit2 + 0x8f * bit3; + int const b = 0x0e * bit0 + 0x1f * bit1 + 0x43 * bit2 + 0x8f * bit3; - palette.set_pen_color(i, rgb_t(r,g,b)); + palette.set_pen_color(i, rgb_t(r, g, b)); } } |