# HG changeset patch # User Paul Boddie # Date 1392760789 -3600 # Node ID c1e7ebbf92cbab2498521615ec7fee4b52a464dc # Parent b9641b6b8b16a279e63cb4d52e88a9a59a89b4cd Added Amstrad CPC-related note. diff -r b9641b6b8b16 -r c1e7ebbf92cb ULA.txt --- a/ULA.txt Sun Feb 16 01:42:42 2014 +0100 +++ b/ULA.txt Tue Feb 18 22:59:49 2014 +0100 @@ -387,13 +387,14 @@ "low" values. Short of adding extra outputs from the ULA (either additional red, green and -blue outputs or a combined intensity output), another approach might involve -some kind of modulation where an output value might be encoded in multiple -pulses at a higher frequency than the pixel frequency. However, this would -demand additional circuitry outside the ULA, and component RGB monitors would -probably not be able to take advantage of this feature; only UHF and composite -video devices (the latter with the composite video colour support enabled on -the Electron's circuit board) would potentially benefit. +blue outputs or a combined intensity output, the former employed on the +Amstrad CPC series), another approach might involve some kind of modulation +where an output value might be encoded in multiple pulses at a higher +frequency than the pixel frequency. However, this would demand additional +circuitry outside the ULA, and component RGB monitors would probably not be +able to take advantage of this feature; only UHF and composite video devices +(the latter with the composite video colour support enabled on the Electron's +circuit board) would potentially benefit. Flashing Colours ----------------