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GPU: Fix incorrect hsync start tick

This commit is contained in:
Connor McLaughlin 2020-11-08 22:13:55 +10:00
parent c1c88eb41c
commit 5b24468f07
1 changed files with 2 additions and 2 deletions
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4
src/core/gpu.cpp
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@ -465,7 +465,7 @@ void GPU::UpdateCRTCConfig()
cs.vertical_total = PAL_TOTAL_LINES;
cs.current_scanline %= PAL_TOTAL_LINES;
cs.horizontal_total = PAL_TICKS_PER_LINE;
cs.horizontal_sync_start = PAL_HSYNC_TICKS;
cs.horizontal_sync_start = PAL_TICKS_PER_LINE - PAL_HSYNC_TICKS;
cs.current_tick_in_scanline %= System::ScaleTicksToOverclock(PAL_TICKS_PER_LINE);
}
else
@ -473,7 +473,7 @@ void GPU::UpdateCRTCConfig()
cs.vertical_total = NTSC_TOTAL_LINES;
cs.current_scanline %= NTSC_TOTAL_LINES;
cs.horizontal_total = NTSC_TICKS_PER_LINE;
cs.horizontal_sync_start = NTSC_HSYNC_TICKS;
cs.horizontal_sync_start = NTSC_TICKS_PER_LINE - NTSC_HSYNC_TICKS;
cs.current_tick_in_scanline %= System::ScaleTicksToOverclock(NTSC_TICKS_PER_LINE);
}