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Tied colors to drawing routines, and added transparent pen

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This commit is contained in:
Angelo Salese 2013-03-01 15:35:38 +00:00
parent 224dfa6660
commit debffdc7bb
1 changed files with 28 additions and 24 deletions
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52
src/mame/drivers/gunpey.c
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@ -287,18 +287,27 @@ UINT32 gunpey_state::screen_update_gunpey(screen_device &screen, bitmap_ind16 &b
for(int xi=0;xi<width/2;xi++)
{
UINT8 data = vram[((((ysource+yi)&0x7ff)*0x800) + ((xsource+xi)&0x7ff))];
UINT8 pix;
UINT32 col_offs;
UINT16 color_data;
pix = (data & 0x0f);
col_offs = ((pix + color*0x10) & 0xff) << 1;
col_offs+= ((pix + color*0x10) >> 8)*0x800;
color_data = (vram[col_offs])|(vram[col_offs+1]<<8);
if(!(color_data & 0x8000))
if(cliprect.contains(x+(xi*2), y+yi))
bitmap.pix16(y+yi, x+(xi*2)) = pix + color*0x10;
bitmap.pix16(y+yi, x+(xi*2)) = color_data & 0x7fff;
pix = (data & 0xf0)>>4;
col_offs = ((pix + color*0x10) & 0xff) << 1;
col_offs+= ((pix + color*0x10) >> 8)*0x800;
color_data = (vram[col_offs])|(vram[col_offs+1]<<8);
if(!(color_data & 0x8000))
if(cliprect.contains(x+1+(xi*2), y+yi))
bitmap.pix16(y+yi, x+1+(xi*2)) = pix + color*0x10;
bitmap.pix16(y+yi, x+1+(xi*2)) = color_data & 0x7fff;
}
}
}
@ -311,6 +320,8 @@ UINT32 gunpey_state::screen_update_gunpey(screen_device &screen, bitmap_ind16 &b
{
UINT8 data = vram[((((ysource+yi)&0x7ff)*0x800) + ((xsource+xi)&0x7ff))];
UINT8 pix;
UINT32 col_offs;
UINT16 color_data;
pix = (data & 0x3f);
@ -328,11 +339,17 @@ UINT32 gunpey_state::screen_update_gunpey(screen_device &screen, bitmap_ind16 &b
{
UINT8 data = vram[((((ysource+yi)&0x7ff)*0x800) + ((xsource+xi)&0x7ff))];
UINT8 pix;
UINT32 col_offs;
UINT16 color_data;
pix = (data & 0xff);
col_offs = ((pix + color*0x100) & 0xff) << 1;
col_offs+= ((pix + color*0x100) >> 8)*0x800;
color_data = (vram[col_offs])|(vram[col_offs+1]<<8);
if(!(color_data & 0x8000))
if(cliprect.contains(x+xi, y+yi))
bitmap.pix16(y+yi, x+xi) = pix + color*0x100;
bitmap.pix16(y+yi, x+xi) = color_data & 0x7fff;
}
}
}
@ -399,6 +416,8 @@ TIMER_CALLBACK_MEMBER(gunpey_state::blitter_end)
gunpey_irq_check(4);
}
//flush_pal_data((dstx+x) & 0x7fe,(dsty+y) & 0x7ff);
void gunpey_state::flush_pal_data(int x, int y)
{
if(y < 512 && x < 512)
@ -466,7 +485,7 @@ WRITE8_MEMBER(gunpey_state::gunpey_blitter_w)
for (int x=0;x<xsize;x++)
{
vram[(((dsty+y)&0x7ff)*0x800)+((dstx+x)&0x7ff)] = blit_rom[(((srcy+y)&0x7ff)*0x800)+((srcx+x)&0x7ff)];
flush_pal_data((dstx+x) & 0x7fe,(dsty+y) & 0x7ff);
//flush_pal_data((dstx+x) & 0x7fe,(dsty+y) & 0x7ff);
}
}
@ -620,34 +639,19 @@ INPUT_PORTS_END
/***************************************************************************************/
/* test hack */
void gunpey_state::palette_init()
{
#if 0
int i,r,g,b,val;
UINT8 *blit_rom = memregion("blit_data")->base();
int i;
for (i = 0; i < 512; i+=2)
{
val = (blit_rom[i+0x3B1DFD]) | (blit_rom[i+0x3B1DFD+1]<<8);
b = (val & 0x001f) >> 0;
b<<=3;
g = (val & 0x03e0) >> 5;
g<<=3;
r = (val & 0x7c00) >> 10;
r<<=3;
palette_set_color(machine(), i/2, MAKE_RGB(r, g, b));
}
#endif
for (i = 0; i < 0x8000; i++)
palette_set_color(machine(), i, MAKE_RGB( pal5bit((i >> 10)&0x1f), pal5bit(((i >> 5))&0x1f), pal5bit((i >> 0)&0x1f)));
}
/*:
0x01
0x04 blitter ready
0x10 vblank too?
0x10 vblank too? (otherwise you'll get various hangs/inputs stop to work)
0x40 almost certainly vblank (reads inputs)
0x80
*/