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Diffstat (limited to 'src/mame/video/shaolins.cpp')
-rw-r--r-- | src/mame/video/shaolins.cpp | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/mame/video/shaolins.cpp b/src/mame/video/shaolins.cpp index eab6c5d169b..e3ecdc9d8a3 100644 --- a/src/mame/video/shaolins.cpp +++ b/src/mame/video/shaolins.cpp @@ -119,6 +119,9 @@ WRITE8_MEMBER(shaolins_state::nmi_w) flip_screen_set(data & 0x01); machine().tilemap().mark_all_dirty(); } + + machine().bookkeeping().coin_counter_w(0,data & 0x08); + machine().bookkeeping().coin_counter_w(1,data & 0x10); } TILE_GET_INFO_MEMBER(shaolins_state::get_bg_tile_info) @@ -144,7 +147,14 @@ void shaolins_state::video_start() void shaolins_state::draw_sprites(bitmap_ind16 &bitmap, const rectangle &cliprect) { - for (int offs = m_spriteram.bytes() - 32; offs >= 0; offs -= 32 ) /* max 24 sprites */ + // area $3000-1f is written and never read to. + // Its values are filled to 0x00 when it's expected to have no sprites (cross hatch, service mode, between level transitions ...) + // May be a rudimentary per-sprite disable + // TODO: understand actual disabling conditions (either by schematics or by probing the real HW) + if (m_spriteram[0] == 0) + return; + + for (int offs = m_spriteram.bytes() - 32; offs >= 0x100; offs -= 32 ) /* max 24 sprites */ { if (m_spriteram[offs] && m_spriteram[offs + 6]) /* stop rogue sprites on high score screen */ { |