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Fixed left screen call drawing

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This commit is contained in:
Angelo Salese 2009-07-12 18:47:31 +00:00
parent 3eab194143
commit aa3e59d359
1 changed files with 31 additions and 9 deletions
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40
src/mame/drivers/tmmjprd.c
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@ -69,16 +69,14 @@ static WRITE32_HANDLER( tmmjprd_tilemap3_w )
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?
// 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);
UINT32 *source = tmmjprd_spriteram+(0xc000/4)-2;
UINT32 *finish = tmmjprd_spriteram;
xoffs = (screen & 1)*320;
@ -87,18 +85,44 @@ static void draw_sprites(running_machine *machine, bitmap_t *bitmap, const recta
if(screen != (source[0]&0x2000)>>13) continue; //screen flag
if(!(source[0]&0x80000000)) continue; //disable flag
/* TODO: sprite-sprite priorities works as back-to-top but abs x/y calcs works as top-to-back? */
/* Note: 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;
if(xpos&0x800)xpos-=0x1000;
if(ypos&0x800)ypos-=0x1000;
}
else
{
UINT32 *calc_abs;
UINT8 calc_abs_helper;
int abs_x = 0,abs_y = 0;
calc_abs = source-2;
/* TODO: wrong sprite positioning for the right screen */
calc_abs_helper = 0;
while(calc_abs > finish || calc_abs_helper == 0) //sanity check
{
if(calc_abs[0] & 0x40000000)
{
abs_x = (calc_abs[0]&0x00000fff);
abs_y = (calc_abs[0]&0x0fff0000)>>16;
if(abs_x & 0x800) abs_x-=0x1000;
if(abs_y & 0x800) abs_y-=0x1000;
calc_abs_helper = 1;
}
calc_abs-=2;
}
xpos = (source[0]&0x00000fff);
ypos = (source[0]&0x0fff0000)>>16;
if(xpos&0x800)xpos-=0x1000;
if(ypos&0x800)ypos-=0x1000;
xpos+=abs_x;
ypos+=abs_y;
xpos&=0x7ff;
@ -113,8 +137,6 @@ static void draw_sprites(running_machine *machine, bitmap_t *bitmap, const recta
// the tiles in this are 8bpp, it can probably do the funky sub-tile addressing for them too tho..
tileno >>=1;
if(xpos&0x800)xpos-=0x1000;
// 255 for 8bpp
drawgfx_transpen(bitmap,cliprect,gfx,tileno,colr,!xflip,yflip,(xpos-xoffs)-8,(ypos)-8,255);
}