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Adjusts declared scale, accurately to communicate pixel clock.

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This commit is contained in:
Thomas Harte 2021-06-15 22:39:44 -04:00
parent e5e988b28f
commit d9142d5427
1 changed files with 8 additions and 8 deletions
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16
Machines/Enterprise/Nick.cpp
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@ -31,7 +31,7 @@ uint16_t mapped_colour(uint8_t source) {
using namespace Enterprise;
Nick::Nick(const uint8_t *ram) :
crt_(57, 1, Outputs::Display::Type::PAL50, Outputs::Display::InputDataType::Red4Green4Blue4),
crt_(57*16, 16, Outputs::Display::Type::PAL50, Outputs::Display::InputDataType::Red4Green4Blue4),
ram_(ram) {
// Just use RGB for now.
@ -138,7 +138,7 @@ void Nick::run_for(HalfCycles duration) {
// HSYNC is signalled for four windows at the start of the line.
// I currently belive this happens regardless of Vsync mode.
if(window < 4 && end_window >= 4) {
crt_.output_sync(4);
crt_.output_sync(4*16);
window = 4;
}
@ -151,9 +151,9 @@ void Nick::run_for(HalfCycles duration) {
if(window < right_margin_) next_event = std::min(next_event, right_margin_);
if(state_ == State::Blank) {
crt_.output_blank(next_event - window);
crt_.output_blank((next_event - window)*16);
} else {
crt_.output_sync(next_event - window);
crt_.output_sync((next_event - window)*16);
}
window = next_event;
@ -165,8 +165,8 @@ void Nick::run_for(HalfCycles duration) {
// If present then the colour burst is output for the period from
// the start of window 6 to the end of window 10.
if(window < 10 && end_window >= 10) {
crt_.output_blank(2);
crt_.output_colour_burst(4, 0); // TODO: try to determine actual phase.
crt_.output_blank(2*16);
crt_.output_colour_burst(4*16, 0); // TODO: try to determine actual phase.
window = 10;
}
@ -269,13 +269,13 @@ void Nick::flush_border() {
uint16_t *const colour_pointer = reinterpret_cast<uint16_t *>(crt_.begin_data(1));
if(colour_pointer) *colour_pointer = border_colour_;
crt_.output_level(border_duration_);
crt_.output_level(border_duration_*16);
border_duration_ = 0;
}
void Nick::flush_pixels() {
if(!pixel_duration_) return;
crt_.output_data(pixel_duration_, size_t(pixel_pointer_ - allocated_pointer_));
crt_.output_data(pixel_duration_*16, size_t(pixel_pointer_ - allocated_pointer_));
pixel_duration_ = 0;
pixel_pointer_ = nullptr;
allocated_pointer_ = nullptr;