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Diffstat (limited to 'src/mame/video/dribling.cpp')
-rw-r--r--src/mame/video/dribling.cpp26
1 files changed, 11 insertions, 15 deletions
diff --git a/src/mame/video/dribling.cpp b/src/mame/video/dribling.cpp
index 80305f182ac..a8e40930674 100644
--- a/src/mame/video/dribling.cpp
+++ b/src/mame/video/dribling.cpp
@@ -17,7 +17,7 @@
*
*************************************/
-void dribling_state::dribling_palette(palette_device &palette) const
+void dribling_state::palette(palette_device &palette) const
{
uint8_t const *const prom = memregion("proms")->base() + 0x400;
@@ -43,9 +43,9 @@ void dribling_state::dribling_palette(palette_device &palette) const
*
*************************************/
-WRITE8_MEMBER(dribling_state::dribling_colorram_w)
+void dribling_state::colorram_w(offs_t offset, uint8_t data)
{
- /* it is very important that we mask off the two bits here */
+ // it is very important that we mask off the two bits here
m_colorram[offset & 0x1f9f] = data;
}
@@ -57,28 +57,24 @@ WRITE8_MEMBER(dribling_state::dribling_colorram_w)
*
*************************************/
-uint32_t dribling_state::screen_update_dribling(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
+uint32_t dribling_state::screen_update(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
- uint8_t *prombase = memregion("proms")->base();
- uint8_t *gfxbase = memregion("gfx1")->base();
- int x, y;
-
- /* loop over rows */
- for (y = cliprect.min_y; y <= cliprect.max_y; y++)
+ // loop over rows
+ for (int y = cliprect.min_y; y <= cliprect.max_y; y++)
{
uint16_t *dst = &bitmap.pix16(y);
- /* loop over columns */
- for (x = cliprect.min_x; x <= cliprect.max_x; x++)
+ // loop over columns
+ for (int x = cliprect.min_x; x <= cliprect.max_x; x++)
{
- int b7 = prombase[(x >> 3) | ((y >> 3) << 5)] & 1;
+ int b7 = m_proms[(x >> 3) | ((y >> 3) << 5)] & 1;
int b6 = m_abca;
int b5 = (x >> 3) & 1;
- int b4 = (gfxbase[(x >> 3) | (y << 5)] >> (x & 7)) & 1;
+ int b4 = (m_gfxroms[(x >> 3) | (y << 5)] >> (x & 7)) & 1;
int b3 = (m_videoram[(x >> 3) | (y << 5)] >> (x & 7)) & 1;
int b2_0 = m_colorram[(x >> 3) | ((y >> 2) << 7)] & 7;
- /* assemble the various bits into a palette PROM index */
+ // assemble the various bits into a palette PROM index
dst[x] = (b7 << 7) | (b6 << 6) | (b5 << 5) | (b4 << 4) | (b3 << 3) | b2_0;
}
}