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Added a gfx viewer

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This commit is contained in:
Angelo Salese 2011-07-09 19:16:21 +00:00
parent 6c5a5519a9
commit 485718192b
1 changed files with 83 additions and 0 deletions
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83
src/mame/drivers/aristmk6.c
View File

@ -2,6 +2,10 @@
Aristocrat MK6 hardware
SH4 + PowerVR
GFX data looks 8bpp with external palette
Font is at 0x160000 onward in the BIOS set, in raw format
*/
#include "emu.h"
@ -14,6 +18,8 @@ public:
aristmk6_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag) { }
UINT32 m_test_x,m_test_y,m_start_offs;
UINT8 m_type;
};
@ -23,6 +29,82 @@ VIDEO_START(aristmk6)
SCREEN_UPDATE(aristmk6)
{
aristmk6_state *state = screen->machine().driver_data<aristmk6_state>();
int x,y,count;
const UINT8 *blit_ram = screen->machine().region("maincpu")->base();
if(screen->machine().input().code_pressed(KEYCODE_Z))
state->m_test_x++;
if(screen->machine().input().code_pressed(KEYCODE_X))
state->m_test_x--;
if(screen->machine().input().code_pressed(KEYCODE_A))
state->m_test_y++;
if(screen->machine().input().code_pressed(KEYCODE_S))
state->m_test_y--;
if(screen->machine().input().code_pressed(KEYCODE_Q))
state->m_start_offs+=0x2000;
if(screen->machine().input().code_pressed(KEYCODE_W))
state->m_start_offs-=0x2000;
if(screen->machine().input().code_pressed(KEYCODE_E))
state->m_start_offs++;
if(screen->machine().input().code_pressed(KEYCODE_R))
state->m_start_offs--;
if(screen->machine().input().code_pressed_once(KEYCODE_L))
state->m_type^=1;
popmessage("%d %d %04x %d",state->m_test_x,state->m_test_y,state->m_start_offs,state->m_type);
bitmap_fill(bitmap,cliprect,get_black_pen(screen->machine()));
count = (state->m_start_offs);
for(y=0;y<state->m_test_y;y++)
{
for(x=0;x<state->m_test_x;x++)
{
if(state->m_type)
{
UINT16 vram;
int r,g,b;
vram = blit_ram[count+0] | blit_ram[count+1]<<8;
r = (vram & 0x001f)>>0;
g = (vram & 0x07e0)>>5;
b = (vram & 0xf800)>>11;
r = (r << 3) | (r & 0x7);
g = (g << 2) | (g & 3);
b = (b << 3) | (b & 0x7);
if((x)<screen->visible_area().max_x && ((y)+0)<screen->visible_area().max_y)
*BITMAP_ADDR32(bitmap, y, x) = r | g<<8 | b<<16;
count+=2;
}
else
{
UINT8 color;
color = blit_ram[count];
if((x)<screen->visible_area().max_x && ((y)+0)<screen->visible_area().max_y)
*BITMAP_ADDR32(bitmap, y, x) = screen->machine().pens[color];
count++;
}
}
}
return 0;
}
@ -49,6 +131,7 @@ static MACHINE_CONFIG_START( aristmk6, aristmk6_state )
MCFG_CPU_CONFIG(sh4cpu_config)
MCFG_CPU_PROGRAM_MAP(aristmk6_map)
MCFG_CPU_IO_MAP(aristmk6_port)
MCFG_DEVICE_DISABLE()
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)