1.1 --- a/Electron.txt Sun Apr 28 22:53:21 2013 +0200
1.2 +++ b/Electron.txt Mon Apr 29 23:31:53 2013 +0200
1.3 @@ -63,7 +63,10 @@
1.4 ------------------------------
1.5
1.6 Perhaps the simplest improvement to the display capabilities would be to
1.7 -permit the RGB output levels to "float" between the current TTL high and low
1.8 -states, presumably enforced by various circuits. This would permit the choice
1.9 -of colours beyond the primary and secondary colour selection at a cost of some
1.10 -extra palette bits in the ULA and an adjustment to the board circuitry.
1.11 +permit the RGB output levels to hold intermediate values between the current
1.12 +high and low states, presumably enforced by various circuits. This would
1.13 +permit the choice of colours beyond the primary and secondary colour selection
1.14 +at a cost of some extra palette bits in the ULA and an adjustment to the board
1.15 +circuitry and would only benefit UHF and colour composite video displays, but
1.16 +the latter limitation might not be a significant issue for the majority of the
1.17 +intended audience.
2.1 --- a/ULA.txt Sun Apr 28 22:53:21 2013 +0200
2.2 +++ b/ULA.txt Mon Apr 29 23:31:53 2013 +0200
2.3 @@ -370,7 +370,10 @@
2.4 blue outputs or a combined intensity output), another approach might involve
2.5 some kind of modulation where an output value might be encoded in multiple
2.6 pulses at a higher frequency than the pixel frequency. However, this would
2.7 -demand additional circuitry outside the ULA.
2.8 +demand additional circuitry outside the ULA, and component RGB monitors would
2.9 +probably not be able to take advantage of this feature; only UHF and composite
2.10 +video devices (the latter with the composite video colour support enabled on
2.11 +the Electron's circuit board) would potentially benefit.
2.12
2.13 Flashing Colours
2.14 ----------------