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Correct get_scaled_scan_status.

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This commit is contained in:
Thomas Harte 2023-12-07 12:17:19 -05:00
parent 8608f0f89d
commit 71069bef0f
1 changed files with 3 additions and 2 deletions
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Machines/PCCompatible/CGA.hpp
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@ -89,9 +89,10 @@ class CGA {
void set_scan_target(Outputs::Display::ScanTarget *scan_target) { void set_scan_target(Outputs::Display::ScanTarget *scan_target) {
outputter_.crt.set_scan_target(scan_target); outputter_.crt.set_scan_target(scan_target);
} }
Outputs::Display::ScanStatus get_scaled_scan_status() const { Outputs::Display::ScanStatus get_scaled_scan_status() const {
return outputter_.crt.get_scaled_scan_status() * float(outputter_.clock_divider) / (3.0f * 4.0f); // The CRT is always handed data at the full CGA pixel clock rate, so just
// divide by 12 to get back to the rate that run_for is being called at.
return outputter_.crt.get_scaled_scan_status() / 12.0f;
} }
private: private: