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screen: fix buffer overflow crash with VIDEO_VARIABLE_WIDTH screens [AmatCoder]

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This commit is contained in:
hap 2021-10-29 16:12:34 +02:00
parent d2aa062d94
commit 41a80334ce
1 changed files with 2 additions and 2 deletions
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4
src/emu/screen.cpp
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@ -635,12 +635,12 @@ void screen_device::allocate_scan_bitmaps()
else
m_scan_bitmaps[j].push_back(new bitmap_rgb32(effwidth, 1));
}
m_scan_widths.push_back(m_width);
m_scan_widths.push_back(effwidth);
}
}
else
{
for (int i = effheight; i < old_height; i++)
for (int i = old_height - 1; i >= effheight; i--)
{
for (int j = 0; j < 2; j++)
{