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Fix decoding of Robot72 #14

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Fix decoding of Robot72 #14

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a684e12
modespec: Correct video timings for Robot72 mode
sjlongland Nov 21, 2024
d266907
video: Calculate channel positions for Robot72
sjlongland Nov 21, 2024
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6 changes: 3 additions & 3 deletions modespec.c
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Original file line number Diff line number Diff line change
Expand Up @@ -131,9 +131,9 @@ _ModeSpec ModeSpec[] = {
.Name = "Robot 72",
.ShortName = "R72",
.SyncTime = 9e-3,
.PorchTime = 3e-3,
.SeptrTime = 4.7e-3,
.PixelTime = 0.2875e-3,
.PorchTime = 3.0e-3,
.SeptrTime = 4.5e-3 + 1.5e-3,
.PixelTime = 0.215625e-3,
.LineTime = 300e-3,
.ImgWidth = 320,
.NumLines = 240,
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8 changes: 8 additions & 0 deletions video.c
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Expand Up @@ -60,6 +60,14 @@ gboolean GetVideo(guchar Mode, double Rate, int Skip, gboolean Redraw) {
// Starting times of video channels on every line, counted from beginning of line
switch (Mode) {

case R72:
ChanLen[0] = ModeSpec[Mode].PixelTime * ModeSpec[Mode].ImgWidth * 2;
ChanLen[1] = ChanLen[2] = ModeSpec[Mode].PixelTime * ModeSpec[Mode].ImgWidth;
ChanStart[0] = ModeSpec[Mode].SyncTime + ModeSpec[Mode].PorchTime;
ChanStart[1] = ChanStart[0] + ChanLen[0] + ModeSpec[Mode].SeptrTime;
ChanStart[2] = ChanStart[1] + ChanLen[1] + ModeSpec[Mode].SeptrTime;
break;

case R36:
case R24:
ChanLen[0] = ModeSpec[Mode].PixelTime * ModeSpec[Mode].ImgWidth * 2;
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