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Added a debug viewer for the blitter-based gfxs in the itgambl3.c [Angelo Salese]

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This commit is contained in:
Angelo Salese 2009-02-24 02:29:55 +00:00
parent 0f4c0da40e
commit d254a79f22
1 changed files with 66 additions and 2 deletions
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68
src/mame/drivers/itgambl3.c
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@ -53,9 +53,58 @@ static VIDEO_START( itgambl3 )
{
}
/* (dirty) debug code for looking 8bpps blitter-based gfxs */
static VIDEO_UPDATE( itgambl3 )
{
int x,y,count;
const UINT8 *blit_ram = memory_region(screen->machine,"gfx1");
static int test_x = 256,test_y = 256,start_offs;
if(input_code_pressed(KEYCODE_Z))
test_x++;
if(input_code_pressed(KEYCODE_X))
test_x--;
if(input_code_pressed(KEYCODE_A))
test_y++;
if(input_code_pressed(KEYCODE_S))
test_y--;
if(input_code_pressed(KEYCODE_Q))
start_offs+=0x200;
if(input_code_pressed(KEYCODE_W))
start_offs-=0x200;
if(input_code_pressed(KEYCODE_E))
start_offs++;
if(input_code_pressed(KEYCODE_R))
start_offs--;
popmessage("%d %d %04x",test_x,test_y,start_offs);
bitmap_fill(bitmap,cliprect,get_black_pen(screen->machine));
count = (start_offs);
for(y=0;y<test_y;y++)
{
for(x=0;x<test_x;x++)
{
UINT32 color;
color = (blit_ram[count] & 0xff)>>0;
if((x)<video_screen_get_visible_area(screen)->max_x && ((y)+0)<video_screen_get_visible_area(screen)->max_y)
*BITMAP_ADDR32(bitmap, y, x) = screen->machine->pens[color];
count++;
}
}
return 0;
}
@ -164,6 +213,20 @@ static MACHINE_RESET( itgambl3 )
cpu_set_input_line(machine->cpu[0], INPUT_LINE_HALT, ASSERT_LINE);
}
/* default 444 palette for debug purpose*/
static PALETTE_INIT( itgambl3 )
{
int x,r,g,b;
for(x=0;x<0x100;x++)
{
r = (x & 0xf)*0x10;
g = ((x & 0x3c)>>2)*0x10;
b = ((x & 0xf0)>>4)*0x10;
palette_set_color(machine,x,MAKE_RGB(r,g,b));
}
}
/**************************
* Machine Drivers *
@ -179,10 +242,11 @@ static MACHINE_DRIVER_START( itgambl3 )
MDRV_SCREEN_ADD("main", RASTER)
MDRV_SCREEN_REFRESH_RATE(60)
MDRV_SCREEN_VBLANK_TIME(ATTOSECONDS_IN_USEC(0))
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_INDEXED16)
MDRV_SCREEN_FORMAT(BITMAP_FORMAT_RGB32)
MDRV_SCREEN_SIZE(512, 256)
MDRV_SCREEN_VISIBLE_AREA(0, 512-1, 0, 256-1)
MDRV_MACHINE_RESET( itgambl3 )
MDRV_PALETTE_INIT( itgambl3 )
MDRV_GFXDECODE(itgambl3)
MDRV_PALETTE_LENGTH(0x200)