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witch.cpp: attempt to fix garbage graphics after a bonus stage in Keirin Ou [David Haywood]

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This commit is contained in:
angelosa 2018-06-04 15:22:51 +02:00
parent 7d3ec30255
commit a86ad04d7f
1 changed files with 7 additions and 2 deletions
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9
src/mame/drivers/witch.cpp
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@ -515,11 +515,16 @@ READ8_MEMBER(witch_state::prot_read_700x)
WRITE8_MEMBER(witch_state::xscroll_w) WRITE8_MEMBER(witch_state::xscroll_w)
{ {
m_scrollx=data; m_scrollx = data;
// need to mark tiles dirty here, as the tilemap writes are affected by scrollx, see FIX_OFFSET macro.
// without it keirin ou can seldomly draw garbage after a big/small bonus game
// TODO: rewrite tilemap code so that it doesn't need FIX_OFFSET at all!
m_gfx1_tilemap->mark_all_dirty();
} }
WRITE8_MEMBER(witch_state::yscroll_w) WRITE8_MEMBER(witch_state::yscroll_w)
{ {
m_scrolly=data; m_scrolly = data;
} }
WRITE8_MEMBER(keirinou_state::palette_w) WRITE8_MEMBER(keirinou_state::palette_w)