heathkit/tlb.cpp: Avoid clearing cliprect in MC6845_BEGIN_UPDATE for superset ROM. #11804
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Luigi30
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Dec 16, 2023
…medev#11804) Clear entire extent of row when DE is not asserted.
einstein95
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Mar 2, 2024
…medev#11804) Clear entire extent of row when DE is not asserted.
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When DE is not set, use the bitmap's
rowpixels()instead ofcount_x * 8to clear the row. This allows the removal of the cliprect clearing occurring in the MC6845_BEGIN_UPDATE callback, which was need to properly handle the screen saver feature of the superset.