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Lengthens sync, better to conform to PAL; experiments with fixed-phase colour burst.

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I need to get hold of real documentation here.
This commit is contained in:
Thomas Harte 2021-03-20 10:38:21 -04:00
parent cf9a5d595b
commit 26911a16e8
1 changed files with 3 additions and 3 deletions
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6
Machines/Sinclair/ZXSpectrum/Video.hpp
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@ -80,7 +80,7 @@ template <VideoTiming timing> class Video {
constexpr auto timings = get_timings();
constexpr int first_line = timings.first_delay / timings.cycles_per_line;
constexpr int sync_position = 166 * 2;
constexpr int sync_length = 14 * 2;
constexpr int sync_length = 17 * 2;
constexpr int burst_position = sync_position + 40;
constexpr int burst_length = 17;
@ -122,7 +122,7 @@ template <VideoTiming timing> class Video {
if(offset >= burst_position && offset < burst_position+burst_length && end_offset > offset) {
const int burst_duration = std::min(burst_position + burst_length, end_offset) - offset;
crt_.output_default_colour_burst(burst_duration);
crt_.output_colour_burst(burst_duration, 0);
offset += burst_duration;
}
@ -199,7 +199,7 @@ template <VideoTiming timing> class Video {
if(offset >= burst_position && offset < burst_position+burst_length && end_offset > offset) {
const int burst_duration = std::min(burst_position + burst_length, end_offset) - offset;
crt_.output_default_colour_burst(burst_duration);
crt_.output_colour_burst(burst_duration, 0);
offset += burst_duration;
}