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Diffstat (limited to 'src/mame/video/polepos.cpp')
-rw-r--r--src/mame/video/polepos.cpp60
1 files changed, 31 insertions, 29 deletions
diff --git a/src/mame/video/polepos.cpp b/src/mame/video/polepos.cpp
index 6856771ddd8..1cbcc846ddf 100644
--- a/src/mame/video/polepos.cpp
+++ b/src/mame/video/polepos.cpp
@@ -27,9 +27,9 @@
***************************************************************************/
-PALETTE_INIT_MEMBER(polepos_state,polepos)
+void polepos_state::polepos_palette(palette_device &palette)
{
- const uint8_t *color_prom = memregion("proms")->base();
+ uint8_t const *const color_prom = memregion("proms")->base();
/*******************************************************
* Color PROMs
@@ -52,28 +52,30 @@ PALETTE_INIT_MEMBER(polepos_state,polepos)
*******************************************************/
for (int i = 0; i < 128; i++)
{
- /* Sheet 15B: 136014-0137 red component */
- int bit0 = (color_prom[0x000 + i] >> 0) & 1;
- int bit1 = (color_prom[0x000 + i] >> 1) & 1;
- int bit2 = (color_prom[0x000 + i] >> 2) & 1;
- int bit3 = (color_prom[0x000 + i] >> 3) & 1;
- int r = 0x0e * bit0 + 0x1f * bit1 + 0x43 * bit2 + 0x8f * bit3;
-
- /* Sheet 15B: 136014-0138 green component */
- bit0 = (color_prom[0x100 + i] >> 0) & 1;
- bit1 = (color_prom[0x100 + i] >> 1) & 1;
- bit2 = (color_prom[0x100 + i] >> 2) & 1;
- bit3 = (color_prom[0x100 + i] >> 3) & 1;
- int g = 0x0e * bit0 + 0x1f * bit1 + 0x43 * bit2 + 0x8f * bit3;
-
- /* Sheet 15B: 136014-0139 blue component */
- bit0 = (color_prom[0x200 + i] >> 0) & 1;
- bit1 = (color_prom[0x200 + i] >> 1) & 1;
- bit2 = (color_prom[0x200 + i] >> 2) & 1;
- bit3 = (color_prom[0x200 + i] >> 3) & 1;
- int b = 0x0e * bit0 + 0x1f * bit1 + 0x43 * bit2 + 0x8f * bit3;
-
- palette.set_indirect_color(i,rgb_t(r,g,b));
+ int bit0, bit1, bit2, bit3;
+
+ // Sheet 15B: 136014-0137 red component
+ bit0 = BIT(color_prom[0x000 + i], 0);
+ bit1 = BIT(color_prom[0x000 + i], 1);
+ bit2 = BIT(color_prom[0x000 + i], 2);
+ bit3 = BIT(color_prom[0x000 + i], 3);
+ int const r = 0x0e * bit0 + 0x1f * bit1 + 0x43 * bit2 + 0x8f * bit3;
+
+ // Sheet 15B: 136014-0138 green component
+ bit0 = BIT(color_prom[0x100 + i], 0);
+ bit1 = BIT(color_prom[0x100 + i], 1);
+ bit2 = BIT(color_prom[0x100 + i], 2);
+ bit3 = BIT(color_prom[0x100 + i], 3);
+ int const g = 0x0e * bit0 + 0x1f * bit1 + 0x43 * bit2 + 0x8f * bit3;
+
+ // Sheet 15B: 136014-0139 blue component
+ bit0 = BIT(color_prom[0x200 + i], 0);
+ bit1 = BIT(color_prom[0x200 + i], 1);
+ bit2 = BIT(color_prom[0x200 + i], 2);
+ bit3 = BIT(color_prom[0x200 + i], 3);
+ int const b = 0x0e * bit0 + 0x1f * bit1 + 0x43 * bit2 + 0x8f * bit3;
+
+ palette.set_indirect_color(i, rgb_t(r, g, b));
}
/*******************************************************
@@ -83,7 +85,7 @@ PALETTE_INIT_MEMBER(polepos_state,polepos)
*******************************************************/
for (int i = 0; i < 64*4; i++)
{
- int color = color_prom[0x300 + i];
+ int const color = color_prom[0x300 + i];
palette.set_pen_indirect(0x0000 + i, (color != 15) ? (0x020 + color) : 0x2f);
palette.set_pen_indirect(0x0100 + i, (color != 15) ? (0x060 + color) : 0x2f);
}
@@ -96,7 +98,7 @@ PALETTE_INIT_MEMBER(polepos_state,polepos)
*******************************************************/
for (int i = 0; i < 64*4; i++)
{
- int color = color_prom[0x400 + i];
+ int const color = color_prom[0x400 + i];
palette.set_pen_indirect(0x0200 + i, 0x000 + color);
}
@@ -107,7 +109,7 @@ PALETTE_INIT_MEMBER(polepos_state,polepos)
*******************************************************/
for (int i = 0; i < 64*16; i++)
{
- int color = color_prom[0xc00 + i];
+ int const color = color_prom[0xc00 + i];
palette.set_pen_indirect(0x0300 + i, (color != 15) ? (0x010 + color) : 0x1f);
palette.set_pen_indirect(0x0700 + i, (color != 15) ? (0x050 + color) : 0x1f);
}
@@ -120,14 +122,14 @@ PALETTE_INIT_MEMBER(polepos_state,polepos)
*******************************************************/
for (int i = 0; i < 64*16; i++)
{
- int color = color_prom[0x800 + i];
+ int const color = color_prom[0x800 + i];
palette.set_pen_indirect(0x0b00 + i, 0x040 + color);
}
/* 136014-142, 136014-143, 136014-144 Vertical position modifiers */
for (int i = 0; i < 256; i++)
{
- int j = color_prom[0x500 + i] + (color_prom[0x600 + i] << 4) + (color_prom[0x700 + i] << 8);
+ int const j = color_prom[0x500 + i] + (color_prom[0x600 + i] << 4) + (color_prom[0x700 + i] << 8);
m_vertical_position_modifier[i] = j;
}
}