Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-04-22 16:31:49 +03:00
Code Issues Actions Packages Projects Releases Wiki Activity

Fixed screen masking in tmmjprd [Angelo Salese]

Browse Source
This commit is contained in:
Angelo Salese 2009-07-12 16:51:38 +00:00
parent c291c9b06a
commit 3eab194143
1 changed files with 29 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

45
src/mame/drivers/tmmjprd.c
View File

@ -66,44 +66,57 @@ static WRITE32_HANDLER( tmmjprd_tilemap3_w )
COMBINE_DATA(&tmmjprd_tilemap_ram[3][offset]);
}
static void draw_sprites(running_machine *machine, bitmap_t *bitmap, const rectangle *cliprect, int xoffs )
static void draw_sprites(running_machine *machine, bitmap_t *bitmap, const rectangle *cliprect, int screen)
{
int xpos,ypos,tileno,xflip,yflip, colr;
static int abs_x = 0,abs_y = 0;
const gfx_element *gfx = machine->gfx[0];
int xoffs;
// int todraw = (tmmjprd_spriteregs[5]&0x0fff0000)>>16; // how many sprites to draw (start/end reg..) what is the other half?
// UINT32 *source = (tmmjprd_spriteram+ (todraw*2))-2;
// UINT32 *finish = tmmjprd_spriteram;
UINT32 *source = tmmjprd_spriteram+(0xc000/4)-2;
UINT32 *source = tmmjprd_spriteram+(0xc000/4);
UINT32 *finish = tmmjprd_spriteram;
xoffs = (screen & 1)*320;
while( source>finish )
for(;source>finish;source-=2)
{
if(screen != (source[0]&0x2000)>>13) continue; //screen flag
if(!(source[0]&0x80000000)) continue; //disable flag
xpos = (source[0]&0x00000fff);
ypos = (source[0]&0x0fff0000)>>16;
xflip = (source[0]&0x00008000)>>15;
yflip = (source[0]&0x00004000)>>14;
colr = (source[1]&0x0ff00000)>>15;
/* TODO: sprite-sprite priorities works as back-to-top but abs x/y calcs works as top-to-back? */
if(source[0]&0x40000000)
{
abs_x = (source[0]&0x00000fff);
abs_y = (source[0]&0x0fff0000)>>16;
xpos = (source[0]&0x00000fff);
ypos = (source[0]&0x0fff0000)>>16;
}
else
{
xpos = (source[0]&0x00000fff);
ypos = (source[0]&0x0fff0000)>>16;
xpos+=abs_x;
ypos+=abs_y;
xpos&=0x7ff;
ypos&=0x7ff;
}
xflip = (source[0]&0x00008000)>>15;
yflip = (source[0]&0x00004000)>>14;
tileno = (source[1]&0x0003ffff);
colr = (source[1]&0x0ff00000)>>20;
// the tiles in this are 8bpp, it can probably do the funky sub-tile addressing for them too tho..
tileno >>=1;
colr = (source[1]&0x0ff00000)>>20;
if(xpos&0x800)xpos-=0x1000;
// 255 for 8bpp
drawgfx_transpen(bitmap,cliprect,gfx,tileno,colr,!xflip,yflip,(xpos-xoffs)-8,(ypos)-8,255);
source-=2;
}
}
@ -238,7 +251,7 @@ static VIDEO_UPDATE( tmmjprd )
if (screen == left_screen)
{
ttmjprd_draw_tilemap( screen->machine, bitmap, cliprect, tmmjprd_tilemap_ram[3], tmmjprd_tilemap_regs[3], gfxroms );
draw_sprites(screen->machine,bitmap,cliprect, 320);
draw_sprites(screen->machine,bitmap,cliprect, 1);
ttmjprd_draw_tilemap( screen->machine, bitmap, cliprect, tmmjprd_tilemap_ram[2], tmmjprd_tilemap_regs[2], gfxroms );
}
if (screen == right_screen)