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munch mobile: implemented priorities in munch mobile

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This commit is contained in:
Roberto Zandona 2009-04-12 12:09:52 +00:00
parent 646fbe4704
commit aa1b8f74fd
1 changed files with 50 additions and 21 deletions
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61
src/mame/video/munchmo.c
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@ -123,30 +123,59 @@ static void draw_sprites(running_machine *machine, bitmap_t *bitmap, const recta
{
int scroll = mnchmobl_vreg[6];
int flags = mnchmobl_vreg[7]; /* XB?????? */
int xadjust = - 128-16 - ((flags&0x80)?1:0);
int bank = (flags&0x40)?1:0;
const gfx_element *gfx = machine->gfx[2+bank];
int color_base = mnchmobl_palette_bank*4+3;
int i;
for( i=0; i<0x200; i++ )
int xadjust = - 128 - 16 - ((flags & 0x80) ? 1 : 0);
int bank = (flags & 0x40) ? 1 : 0;
const gfx_element *gfx = machine->gfx[2 + bank];
int color_base = mnchmobl_palette_bank * 4 + 3;
int i, j;
int firstsprite = mnchmobl_vreg[4] & 0x3f;
for( i = firstsprite; i < 0x40; i++ )
{
int tile_number = mnchmobl_sprite_tile[i]; /* ETTTTTTT */
int attributes = mnchmobl_sprite_attr[i]; /* XYYYYYCC */
int sx = mnchmobl_sprite_xpos[i]; /* XXXXXXX? */
int sy = (i/0x40)*0x20; /* Y YY------ */
sy += (attributes>>2)&0x1f;
if( tile_number != 0xff && (attributes&0x80) )
for( j = 0; j < 8; j++ )
{
sx = (sx>>1) | (tile_number&0x80);
sx = 2*((-32-scroll - sx)&0xff)+xadjust;
int ii = (j << 6) | i;
int tile_number = mnchmobl_sprite_tile[ii]; /* ETTTTTTT */
int attributes = mnchmobl_sprite_attr[ii]; /* XYYYYYCC */
int sx = mnchmobl_sprite_xpos[ii]; /* XXXXXXX? */
int sy = (ii >> 6) << 5; /* Y YY------ */
sy += (attributes >> 2) & 0x1f;
if( tile_number != 0xff && (attributes & 0x80) )
{
sx = (sx >> 1) | (tile_number & 0x80);
sx = 2 * ((- 32 - scroll - sx) & 0xff) + xadjust;
drawgfx( bitmap, gfx,
0x7f - (tile_number&0x7f),
color_base-(attributes&0x03),
0x7f - (tile_number & 0x7f),
color_base - (attributes & 0x03),
0,0, /* no flip */
sx,sy,
cliprect, TRANSPARENCY_PEN, 7 );
}
}
}
if (firstsprite != 0)
for( i = 0; i < firstsprite; i++ )
{
for( j = 0; j < 8; j++ )
{
int ii = (j << 6) | i;
int tile_number = mnchmobl_sprite_tile[ii]; /* ETTTTTTT */
int attributes = mnchmobl_sprite_attr[ii]; /* XYYYYYCC */
int sx = mnchmobl_sprite_xpos[ii]; /* XXXXXXX? */
int sy = (ii >> 6) << 5; /* Y YY------ */
sy += (attributes >> 2) & 0x1f;
if( tile_number != 0xff && (attributes & 0x80) )
{
sx = (sx >> 1) | (tile_number & 0x80);
sx = 2 * ((- 32 - scroll - sx) & 0xff) + xadjust;
drawgfx( bitmap, gfx,
0x7f - (tile_number & 0x7f),
color_base - (attributes & 0x03),
0,0, /* no flip */
sx,sy,
cliprect, TRANSPARENCY_PEN, 7 );
}
}
}
}
VIDEO_UPDATE( mnchmobl )