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GPU: Adjust visible ticks/lines, fix underflow in height

This commit is contained in:
Connor McLaughlin 2020-03-31 22:28:37 +10:00
parent 6bc91f2157
commit 8439e1c54e
1 changed files with 9 additions and 9 deletions
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18
src/core/gpu.cpp
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@ -371,15 +371,15 @@ void GPU::UpdateCRTCDisplayParameters()
case DisplayCropMode::None:
horizontal_display_start_tick = 487;
horizontal_display_end_tick = 3282;
vertical_display_start_line = 12;
vertical_display_end_line = 312;
vertical_display_start_line = 20;
vertical_display_end_line = 308;
break;
case DisplayCropMode::Overscan:
horizontal_display_start_tick = 628;
horizontal_display_end_tick = 3188;
vertical_display_start_line = 19;
vertical_display_end_line = 307;
vertical_display_start_line = 30;
vertical_display_end_line = 298;
break;
case DisplayCropMode::Borders:
@ -398,15 +398,15 @@ void GPU::UpdateCRTCDisplayParameters()
case DisplayCropMode::None:
horizontal_display_start_tick = 488;
horizontal_display_end_tick = 3288;
vertical_display_start_line = 8;
vertical_display_end_line = 260;
vertical_display_start_line = 16;
vertical_display_end_line = 256;
break;
case DisplayCropMode::Overscan:
horizontal_display_start_tick = 608;
horizontal_display_end_tick = 3168;
vertical_display_start_line = 16;
vertical_display_end_line = 256;
vertical_display_start_line = 24;
vertical_display_end_line = 248;
break;
case DisplayCropMode::Borders:
@ -476,7 +476,7 @@ void GPU::UpdateCRTCDisplayParameters()
{
cs.display_origin_top = 0;
cs.display_vram_top =
std::min<u16>(m_crtc_state.regs.Y + ((cs.vertical_display_start - vertical_display_start_line) << height_shift),
std::min<u16>(m_crtc_state.regs.Y + ((vertical_display_start_line - cs.vertical_display_start) << height_shift),
VRAM_HEIGHT - 1);
}