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tilemap_t::draw_instance: remove problem with nullptr math

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hap 2022-11-11 23:15:21 +01:00
parent 58855267ea
commit b0e802db81
1 changed files with 1 additions and 1 deletions
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src/emu/tilemap.cpp
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@ -1260,7 +1260,7 @@ void tilemap_t::draw_instance(screen_device &screen, _BitmapClass &dest, const b
{
const u16 *source0 = source_baseaddr + x_start;
typename _BitmapClass::pixel_t *dest0 = dest_baseaddr + x_start;
u8 *pmap0 = priority_baseaddr + x_start;
u8 *pmap0 = priority_baseaddr ? (priority_baseaddr + x_start) : nullptr;
// if we were opaque, use the opaque renderer
if (prev_trans == WHOLLY_OPAQUE)