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x68k: further adjust vblank irq
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This commit is contained in:
cracyc 2024-09-22 21:44:57 -05:00
parent a541421698
commit efa2fb25be
1 changed files with 1 additions and 1 deletions
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2
src/mame/sharp/x68k_crtc.cpp
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@ -278,7 +278,7 @@ TIMER_CALLBACK_MEMBER(x68k_crtc_device::vblank_irq)
if (val == 0) // V-DISP off
{
m_vblank = 0;
vblank_line = m_vend + 1;
vblank_line = m_vend + (gfx_double_scan() ? 2 : 1);
if (vblank_line > m_vtotal)
vblank_line = m_vtotal;
irq_time = screen().time_until_pos(vblank_line, 2);