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Converted jangou & nightgal drivers to use resistors with the color proms.

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This commit is contained in:
Angelo Salese 2009-04-12 21:58:29 +00:00
parent 4ac158219f
commit aa53f5fd34
2 changed files with 67 additions and 34 deletions
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48
src/mame/drivers/jangou.c
View File

@ -29,6 +29,7 @@ $c088-$c095 player tiles
#include "sound/ay8910.h"
#include "sound/hc55516.h"
#include "sound/msm5205.h"
#include "video/resnet.h"
#define MASTER_CLOCK XTAL_19_968MHz
@ -52,28 +53,43 @@ static int msm5205_vclk_toggle;
*
*************************************/
/* guess: use the same resistor values as Crazy Climber (needs checking on the real HW) */
static PALETTE_INIT( jangou )
{
int bit0, bit1, bit2 , r, g, b;
int i;
static const int resistances_rg[3] = { 1000, 470, 220 };
static const int resistances_b [2] = { 470, 220 };
double weights_rg[3], weights_b[2];
int i;
for (i = 0; i < 0x20; ++i)
/* compute the color output resistor weights */
compute_resistor_weights(0, 255, -1.0,
3, resistances_rg, weights_rg, 0, 0,
2, resistances_b, weights_b, 0, 0,
0, 0, 0, 0, 0);
for (i = 0;i < machine->config->total_colors; i++)
{
bit0 = (color_prom[0] >> 0) & 0x01;
bit1 = (color_prom[0] >> 1) & 0x01;
bit2 = (color_prom[0] >> 2) & 0x01;
r = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
bit0 = (color_prom[0] >> 3) & 0x01;
bit1 = (color_prom[0] >> 4) & 0x01;
bit2 = (color_prom[0] >> 5) & 0x01;
g = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
bit0 = 0;
bit1 = (color_prom[0] >> 6) & 0x01;
bit2 = (color_prom[0] >> 7) & 0x01;
b = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
int bit0, bit1, bit2;
int r, g, b;
/* red component */
bit0 = (color_prom[i] >> 0) & 0x01;
bit1 = (color_prom[i] >> 1) & 0x01;
bit2 = (color_prom[i] >> 2) & 0x01;
r = combine_3_weights(weights_rg, bit0, bit1, bit2);
/* green component */
bit0 = (color_prom[i] >> 3) & 0x01;
bit1 = (color_prom[i] >> 4) & 0x01;
bit2 = (color_prom[i] >> 5) & 0x01;
g = combine_3_weights(weights_rg, bit0, bit1, bit2);
/* blue component */
bit0 = (color_prom[i] >> 6) & 0x01;
bit1 = (color_prom[i] >> 7) & 0x01;
b = combine_2_weights(weights_b, bit0, bit1);
palette_set_color(machine, i, MAKE_RGB(r, g, b));
color_prom++;
}
}

53
src/mame/drivers/nightgal.c
View File

@ -20,6 +20,7 @@ TODO:
#include "sound/2203intf.h"
#include "cpu/z80/z80.h"
#include "cpu/m6800/m6800.h"
#include "video/resnet.h"
#define MASTER_CLOCK XTAL_19_968MHz
@ -90,7 +91,7 @@ static void plot_nightgal_gfx_pixel(UINT8 pix, int x, int y)
}
}
static WRITE8_HANDLER(nsc_true_blitter_w )
static WRITE8_HANDLER( nsc_true_blitter_w )
{
static UINT8 true_blit[7];
@ -142,6 +143,7 @@ static WRITE8_HANDLER(nsc_true_blitter_w )
}
}
/* different register writes (probably a PAL line swapping).*/
static WRITE8_HANDLER( sexygal_nsc_true_blitter_w )
{
static UINT8 true_blit[7];
@ -196,28 +198,43 @@ static WRITE8_HANDLER( sexygal_nsc_true_blitter_w )
}
}
/* guess: use the same resistor values as Crazy Climber (needs checking on the real HW) */
static PALETTE_INIT( nightgal )
{
int bit0, bit1, bit2 , r, g, b;
int i;
static const int resistances_rg[3] = { 1000, 470, 220 };
static const int resistances_b [2] = { 470, 220 };
double weights_rg[3], weights_b[2];
int i;
for (i = 0; i < 0x10; ++i)
/* compute the color output resistor weights */
compute_resistor_weights(0, 255, -1.0,
3, resistances_rg, weights_rg, 0, 0,
2, resistances_b, weights_b, 0, 0,
0, 0, 0, 0, 0);
for (i = 0;i < machine->config->total_colors; i++)
{
bit0 = (color_prom[0] >> 0) & 0x01;
bit1 = (color_prom[0] >> 1) & 0x01;
bit2 = (color_prom[0] >> 2) & 0x01;
r = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
bit0 = (color_prom[0] >> 3) & 0x01;
bit1 = (color_prom[0] >> 4) & 0x01;
bit2 = (color_prom[0] >> 5) & 0x01;
g = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
bit0 = 0;
bit1 = (color_prom[0] >> 6) & 0x01;
bit2 = (color_prom[0] >> 7) & 0x01;
b = 0x21 * bit0 + 0x47 * bit1 + 0x97 * bit2;
int bit0, bit1, bit2;
int r, g, b;
/* red component */
bit0 = (color_prom[i] >> 0) & 0x01;
bit1 = (color_prom[i] >> 1) & 0x01;
bit2 = (color_prom[i] >> 2) & 0x01;
r = combine_3_weights(weights_rg, bit0, bit1, bit2);
/* green component */
bit0 = (color_prom[i] >> 3) & 0x01;
bit1 = (color_prom[i] >> 4) & 0x01;
bit2 = (color_prom[i] >> 5) & 0x01;
g = combine_3_weights(weights_rg, bit0, bit1, bit2);
/* blue component */
bit0 = (color_prom[i] >> 6) & 0x01;
bit1 = (color_prom[i] >> 7) & 0x01;
b = combine_2_weights(weights_b, bit0, bit1);
palette_set_color(machine, i, MAKE_RGB(r, g, b));
color_prom++;
}
}
@ -1016,4 +1033,4 @@ GAME( 1984, royalngt, ngtbunny,nightgal, sexygal, 0, ROT0,"Royal Denshi", "Roya
GAME( 1985, sexygal, 0, sexygal, sexygal, 0, ROT0,"Nichibutsu", "Sexy Gal (Japan 850501 SXG 1-00)", GAME_NOT_WORKING|GAME_UNEMULATED_PROTECTION )
GAME( 1985, sweetgal, sexygal, sexygal, sexygal, 0, ROT0,"Nichibutsu", "Sweet Gal (Japan 850510 SWG 1-02)", GAME_NOT_WORKING|GAME_UNEMULATED_PROTECTION )
/* Type 3 HW*/
GAME( 1985, ngalsumr, 0, sexygal, sexygal, 0, ROT0,"Nichibutsu", "Night Gal Summer", GAME_NOT_WORKING|GAME_UNEMULATED_PROTECTION )
GAME( 1985, ngalsumr, 0, nightgal, sexygal, 0, ROT0,"Nichibutsu", "Night Gal Summer", GAME_NOT_WORKING|GAME_UNEMULATED_PROTECTION )