static SCREEN_UPDATE( laserbat )
{
laserbat_state *state = screen->machine().driver_data<laserbat_state>();
int y;
bitmap_t *s2636_1_bitmap;
bitmap_t *s2636_2_bitmap;
bitmap_t *s2636_3_bitmap;
tilemap_draw(bitmap, cliprect, state->m_bg_tilemap, 0, 0);
/* update the S2636 chips */
s2636_1_bitmap = s2636_update(state->m_s2636_1, cliprect);
s2636_2_bitmap = s2636_update(state->m_s2636_2, cliprect);
s2636_3_bitmap = s2636_update(state->m_s2636_3, cliprect);
/* copy the S2636 images into the main bitmap */
for (y = cliprect->min_y; y <= cliprect->max_y; y++)
{
int x;
for (x = cliprect->min_x; x <= cliprect->max_x; x++)
{
int pixel1 = *BITMAP_ADDR16(s2636_1_bitmap, y, x);
int pixel2 = *BITMAP_ADDR16(s2636_2_bitmap, y, x);
int pixel3 = *BITMAP_ADDR16(s2636_3_bitmap, y, x);
if (S2636_IS_PIXEL_DRAWN(pixel1))
*BITMAP_ADDR16(bitmap, y, x) = S2636_PIXEL_COLOR(pixel1);
if (S2636_IS_PIXEL_DRAWN(pixel2))
*BITMAP_ADDR16(bitmap, y, x) = S2636_PIXEL_COLOR(pixel2);
if (S2636_IS_PIXEL_DRAWN(pixel3))
*BITMAP_ADDR16(bitmap, y, x) = S2636_PIXEL_COLOR(pixel3);
}
}
if (state->m_sprite_enable)
drawgfx_transpen(bitmap,cliprect,screen->machine().gfx[1],
state->m_sprite_code,
state->m_sprite_color,
0,0,
state->m_sprite_x - 6,state->m_sprite_y,0);
return 0;
}
static SCREEN_UPDATE_IND16( laserbat )
{
laserbat_state *state = screen.machine().driver_data<laserbat_state>();
int y;
state->m_bg_tilemap->draw(bitmap, cliprect, 0, 0);
/* update the S2636 chips */
bitmap_ind16 &s2636_1_bitmap = s2636_update(state->m_s2636_1, cliprect);
bitmap_ind16 &s2636_2_bitmap = s2636_update(state->m_s2636_2, cliprect);
bitmap_ind16 &s2636_3_bitmap = s2636_update(state->m_s2636_3, cliprect);
/* copy the S2636 images into the main bitmap */
for (y = cliprect.min_y; y <= cliprect.max_y; y++)
{
int x;
for (x = cliprect.min_x; x <= cliprect.max_x; x++)
{
int pixel1 = s2636_1_bitmap.pix16(y, x);
int pixel2 = s2636_2_bitmap.pix16(y, x);
int pixel3 = s2636_3_bitmap.pix16(y, x);
if (S2636_IS_PIXEL_DRAWN(pixel1))
bitmap.pix16(y, x) = S2636_PIXEL_COLOR(pixel1);
if (S2636_IS_PIXEL_DRAWN(pixel2))
bitmap.pix16(y, x) = S2636_PIXEL_COLOR(pixel2);
if (S2636_IS_PIXEL_DRAWN(pixel3))
bitmap.pix16(y, x) = S2636_PIXEL_COLOR(pixel3);
}
}
if (state->m_sprite_enable)
drawgfx_transpen(bitmap,cliprect,screen.machine().gfx[1],
state->m_sprite_code,
state->m_sprite_color,
0,0,
state->m_sprite_x - 6,state->m_sprite_y,0);
return 0;
}
UINT32 malzak_state::screen_update_malzak(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
{
const rgb_t *palette = m_palette->palette()->entry_list_raw();
int sx, sy;
int x,y;
bitmap.fill(rgb_t::black);
m_trom->screen_update(screen, bitmap, cliprect);
// playfield - not sure exactly how this works...
for (x = 0; x < 16; x++)
for (y = 0; y < 16; y++)
{
sx = ((x * 16 - 48) - m_malzak_x) * 2;
sy = ((y * 16) - m_malzak_y) * 2;
if (sx < -271*2)
sx += 512*2;
if (sx < -15*2)
sx += 256*2;
m_gfxdecode->m_gfx[0]->zoom_transpen(bitmap,cliprect, m_playfield_code[x * 16 + y], 2, 0, 0, sx, sy, 0x20000, 0x20000, 0);
}
/* update the S2636 chips */
bitmap_ind16 &s2636_0_bitmap = m_s2636_0->update(cliprect);
bitmap_ind16 &s2636_1_bitmap = m_s2636_1->update(cliprect);
/* copy the S2636 images into the main bitmap */
{
int y;
for (y = cliprect.min_y; y <= cliprect.max_y / 2; y++)
{
int x;
for (x = cliprect.min_x; x <= cliprect.max_x / 2; x++)
{
int pixel0 = s2636_0_bitmap.pix16(y, x);
int pixel1 = s2636_1_bitmap.pix16(y, x);
if (S2636_IS_PIXEL_DRAWN(pixel0)) {
bitmap.pix32(y*2, x*2) = palette[S2636_PIXEL_COLOR(pixel0)];
bitmap.pix32(y*2+1, x*2) = palette[S2636_PIXEL_COLOR(pixel0)];
bitmap.pix32(y*2, x*2+1) = palette[S2636_PIXEL_COLOR(pixel0)];
bitmap.pix32(y*2+1, x*2+1) = palette[S2636_PIXEL_COLOR(pixel0)];
}
if (S2636_IS_PIXEL_DRAWN(pixel1)) {
bitmap.pix32(y*2, x*2) = palette[S2636_PIXEL_COLOR(pixel1)];
bitmap.pix32(y*2+1, x*2) = palette[S2636_PIXEL_COLOR(pixel1)];
bitmap.pix32(y*2, x*2+1) = palette[S2636_PIXEL_COLOR(pixel1)];
bitmap.pix32(y*2+1, x*2+1) = palette[S2636_PIXEL_COLOR(pixel1)];
}
}
}
}
return 0;
}
