Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-05-25 23:35:26 +03:00
Code Issues Actions Packages Projects Releases Wiki Activity

Fixed Go 2000 sprite list, it's actually the same sprite chip used by SunA16 HW [Angelo Salese]

Browse Source
This commit is contained in:
Angelo Salese 2009-02-11 00:15:15 +00:00
parent abe156f2a5
commit d34c7e4a54
1 changed files with 90 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

103
src/mame/drivers/go2000.c
View File

@ -19,9 +19,13 @@ P1, P2 & P3 4-pin connectors (unkown purpose)
2008-08:
Added Dips and Dip locations based on Service Mode.
TODO:
- Merge this driver with SunA16 driver.
Notes:
- Maybe SA stands for SunA? The z80 memory map matches the one seen in Ultra Balloon,
and the only difference stands in the DAC used.
and the only difference stands in the DAC used. And the sprite chip is the same as
the one used in SunA16 driver as well.
*/
@ -188,21 +192,94 @@ static VIDEO_UPDATE(go2000)
}
}
/*Spriteram, TODO*/
/*Sprite RAM code actually copied from video/suna16.c with minor modifications.*/
{
int tile,offs;
int offs;
for(offs=0;offs<(0x800/2);offs+=4)
int max_x = video_screen_get_width(screen->machine->primary_screen) - 8;
int max_y = video_screen_get_height(screen->machine->primary_screen) - 8;
for ( offs = 0xf800/2; offs < 0x10000/2 ; offs += 4/2 )
{
int srcpg, srcx,srcy, dimx,dimy;
int tile_x, tile_xinc, tile_xstart;
int tile_y, tile_yinc;
int dx, dy;
int flipx, y0;
int y = go2000_video[ offs + 0 + 0x00000 / 2 ];
int x = go2000_video[ offs + 1 + 0x00000 / 2 ];
int dim = go2000_video2[ offs + 0 + 0x00000 / 2 ];
int bank = (x >> 12) & 0xf;
srcpg = ((y & 0xf000) >> 12) + ((x & 0x0200) >> 5); // src page
srcx = ((y >> 8) & 0xf) * 2; // src col
srcy = ((dim >> 0) & 0xf) * 2; // src row
switch ( (dim >> 4) & 0xc )
{
x = go2000_video[(0xf800/2)+offs+1];
y = go2000_video[(0xf800/2)+offs+2]-0x30;
tile = go2000_video[(0xf800/2)+offs+0] & 0x1fff;
drawgfx(bitmap,screen->machine->gfx[0],tile+0,0,0,0,x+0,y+0,cliprect,TRANSPARENCY_PEN,0xf);
drawgfx(bitmap,screen->machine->gfx[0],tile+1,0,0,0,x+8,y+0,cliprect,TRANSPARENCY_PEN,0xf);
drawgfx(bitmap,screen->machine->gfx[0],tile+2,0,0,0,x+0,y+8,cliprect,TRANSPARENCY_PEN,0xf);
drawgfx(bitmap,screen->machine->gfx[0],tile+3,0,0,0,x+8,y+8,cliprect,TRANSPARENCY_PEN,0xf);
case 0x0: dimx = 2; dimy = 2; y0 = 0x100; break;
case 0x4: dimx = 4; dimy = 4; y0 = 0x100; break;
case 0x8: dimx = 2; dimy = 32; y0 = 0x130; break;
default:
case 0xc: dimx = 4; dimy = 32; y0 = 0x120; break;
}
if (dimx==4) { flipx = srcx & 2; srcx &= ~2; }
else { flipx = 0; }
x = (x & 0xff) - (x & 0x100);
y = (y0 - (y & 0xff) - dimy*8 ) & 0xff;
if (flipx) { tile_xstart = dimx-1; tile_xinc = -1; }
else { tile_xstart = 0; tile_xinc = +1; }
tile_y = 0; tile_yinc = +1;
for (dy = 0; dy < dimy * 8; dy += 8)
{
tile_x = tile_xstart;
for (dx = 0; dx < dimx * 8; dx += 8)
{
int addr = (srcpg * 0x20 * 0x20) +
((srcx + tile_x) & 0x1f) * 0x20 +
((srcy + tile_y) & 0x1f);
int tile = go2000_video[ addr + 0x00000 / 2 ];
int attr = go2000_video2[ addr + 0x00000 / 2 ];
int sx = x + dx;
int sy = (y + dy) & 0xff;
int tile_flipx = tile & 0x4000;
int tile_flipy = tile & 0x8000;
if (flipx) tile_flipx = !tile_flipx;
if (flip_screen_get(screen->machine))
{
sx = max_x - sx;
sy = max_y - sy;
tile_flipx = !tile_flipx;
tile_flipy = !tile_flipy;
}
drawgfx( bitmap, screen->machine->gfx[0],
(tile & 0x1fff) + bank*0x4000,
attr,
tile_flipx, tile_flipy,
sx, sy,
cliprect,TRANSPARENCY_PEN,15 );
tile_x += tile_xinc;
}
tile_y += tile_yinc;
}
}
}
return 0;
@ -260,4 +337,4 @@ ROM_START( go2000 )
ROM_END
GAME( 2000, go2000, 0, go2000, go2000, 0, ROT0, "SA", "Go 2000", GAME_IMPERFECT_GRAPHICS )
GAME( 2000, go2000, 0, go2000, go2000, 0, ROT0, "SA", "Go 2000", 0 )