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screen: don't assert on update_partial with scanline<0, plenty drivers do update_partial(vpos-1) (nw)

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hap 2018-11-24 13:21:12 +01:00
parent 474a76b00d
commit 45d6edf081
1 changed files with 0 additions and 3 deletions
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src/emu/screen.cpp
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@ -1057,9 +1057,6 @@ void screen_device::set_visible_area(int min_x, int max_x, int min_y, int max_y)
bool screen_device::update_partial(int scanline)
{
// validate arguments
assert(scanline >= 0);
LOG_PARTIAL_UPDATES(("Partial: update_partial(%s, %d): ", tag(), scanline));
// these two checks only apply if we're allowed to skip frames