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[Re-]recalibrates CRT retrace period and affected view windows.

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In the hope of moving the CPC closer to the real CTM visible area.
This commit is contained in:
Thomas Harte 2018-07-05 22:07:18 -04:00
parent fa63f7ffc3
commit c97c5fa03a
5 changed files with 5 additions and 5 deletions
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2
Machines/AmstradCPC/AmstradCPC.cpp
View File

@ -339,7 +339,7 @@ class CRTCBusHandler {
"uint sample = texture(texID, coordinate).r;"
"return vec3(float((sample >> 4) & 3u), float((sample >> 2) & 3u), float(sample & 3u)) / 2.0;"
"}");
crt_->set_visible_area(Outputs::CRT::Rect(0.1072f, 0.08f, 0.875f, 0.875f));
crt_->set_visible_area(Outputs::CRT::Rect(0.1072f, 0.1f, 0.842105263157895f, 0.842105263157895f));
crt_->set_video_signal(Outputs::CRT::VideoSignal::RGB);
}

2
Machines/AppleII/Video.cpp
View File

@ -23,7 +23,7 @@ VideoBase::VideoBase() :
// Show only the centre 75% of the TV frame.
crt_->set_video_signal(Outputs::CRT::VideoSignal::Composite);
crt_->set_visible_area(Outputs::CRT::Rect(0.115f, 0.117f, 0.77f, 0.77f));
crt_->set_visible_area(Outputs::CRT::Rect(0.115f, 0.122f, 0.77f, 0.77f));
crt_->set_immediate_default_phase(0.0f);
}

2
Machines/Electron/Video.cpp
View File

@ -62,7 +62,7 @@ VideoOutput::VideoOutput(uint8_t *memory) : ram_(memory) {
std::unique_ptr<Outputs::CRT::TextureBuilder::Bookender> bookender(new FourBPPBookender);
crt_->set_bookender(std::move(bookender));
// TODO: as implied below, I've introduced a clock's latency into the graphics pipeline somehow. Investigate.
crt_->set_visible_area(crt_->get_rect_for_area(first_graphics_line - 3, 256, (first_graphics_cycle+1) * crt_cycles_multiplier, 80 * crt_cycles_multiplier, 4.0f / 3.0f));
crt_->set_visible_area(crt_->get_rect_for_area(first_graphics_line - 1, 256, (first_graphics_cycle+1) * crt_cycles_multiplier, 80 * crt_cycles_multiplier, 4.0f / 3.0f));
}
// MARK: - CRT getter

2
Machines/Oric/Video.cpp
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@ -42,7 +42,7 @@ VideoOutput::VideoOutput(uint8_t *memory) :
crt_->set_composite_function_type(Outputs::CRT::CRT::CompositeSourceType::DiscreteFourSamplesPerCycle, 0.0f);
set_video_signal(Outputs::CRT::VideoSignal::Composite);
crt_->set_visible_area(crt_->get_rect_for_area(53, 224, 16 * 6, 40 * 6, 4.0f / 3.0f));
crt_->set_visible_area(crt_->get_rect_for_area(54, 224, 16 * 6, 40 * 6, 4.0f / 3.0f));
}
void VideoOutput::set_video_signal(Outputs::CRT::VideoSignal video_signal) {

2
Outputs/CRT/CRT.cpp
View File

@ -19,7 +19,7 @@ void CRT::set_new_timing(unsigned int cycles_per_line, unsigned int height_of_di
openGL_output_builder_.set_colour_format(colour_space, colour_cycle_numerator, colour_cycle_denominator);
const unsigned int millisecondsHorizontalRetraceTime = 7; // source: Dictionary of Video and Television Technology, p. 234
const unsigned int scanlinesVerticalRetraceTime = 10; // source: ibid
const unsigned int scanlinesVerticalRetraceTime = 8; // source: ibid
// To quote:
//