diff options
author | Angelo Salese <angelosa@users.noreply.github.com> | 2009-02-24 02:29:55 +0000 |
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committer | Angelo Salese <angelosa@users.noreply.github.com> | 2009-02-24 02:29:55 +0000 |
commit | d254a79f225ead08a3814cc731333e3a2ae579d6 (patch) | |
tree | 85e5ddef4b72360ece883b2eaaff73d0f4330304 | |
parent | 0f4c0da40ed0abcb3997dfa414a2acf307b80ed9 (diff) |
Added a debug viewer for the blitter-based gfxs in the itgambl3.c [Angelo Salese]
-rw-r--r-- | src/mame/drivers/itgambl3.c | 68 |
1 files changed, 66 insertions, 2 deletions
diff --git a/src/mame/drivers/itgambl3.c b/src/mame/drivers/itgambl3.c index 72d46bc665b..29efe7b2ffa 100644 --- a/src/mame/drivers/itgambl3.c +++ b/src/mame/drivers/itgambl3.c @@ -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) |