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Diffstat (limited to 'src/mame/video/scotrsht.cpp')
-rw-r--r--src/mame/video/scotrsht.cpp29
1 files changed, 13 insertions, 16 deletions
diff --git a/src/mame/video/scotrsht.cpp b/src/mame/video/scotrsht.cpp
index 5a610761b25..dd4ec24781d 100644
--- a/src/mame/video/scotrsht.cpp
+++ b/src/mame/video/scotrsht.cpp
@@ -4,33 +4,30 @@
#include "includes/scotrsht.h"
-/* Similar as Iron Horse */
-PALETTE_INIT_MEMBER(scotrsht_state, scotrsht)
+// Similar as Iron Horse
+void scotrsht_state::scotrsht_palette(palette_device &palette) const
{
const uint8_t *color_prom = memregion("proms")->base();
- int i;
- /* create a lookup table for the palette */
- for (i = 0; i < 0x100; i++)
+ // create a lookup table for the palette
+ for (int i = 0; i < 0x100; i++)
{
- int r = pal4bit(color_prom[i + 0x000]);
- int g = pal4bit(color_prom[i + 0x100]);
- int b = pal4bit(color_prom[i + 0x200]);
+ 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 now points to the beginning of the lookup table
color_prom += 0x300;
- /* characters use colors 0x80-0xff, sprites use colors 0-0x7f */
- for (i = 0; i < 0x200; i++)
+ // characters use colors 0x80-0xff, sprites use colors 0-0x7f
+ for (int i = 0; i < 0x200; i++)
{
- int j;
-
- for (j = 0; j < 8; j++)
+ for (int j = 0; j < 8; j++)
{
- uint8_t ctabentry = ((~i & 0x100) >> 1) | (j << 4) | (color_prom[i] & 0x0f);
+ uint8_t const ctabentry = ((~i & 0x100) >> 1) | (j << 4) | (color_prom[i] & 0x0f);
palette.set_pen_indirect(((i & 0x100) << 3) | (j << 8) | (i & 0xff), ctabentry);
}
}
@@ -56,7 +53,7 @@ WRITE8_MEMBER(scotrsht_state::charbank_w)
m_bg_tilemap->mark_all_dirty();
}
- /* other bits unknown */
+ // other bits unknown
}
WRITE8_MEMBER(scotrsht_state::palettebank_w)