Bosco m8...
try to combine pmode 3/4 on a per line basis...
pmode 4 is 256*192 and the colorburst is surpressed... BUT if you fiddle it so you shift to another colorburst in the border, then hey presto... more color....
varying the duration / phase of the colorburst varies the hue... so say 1line pmode3, 1 line pmode4 or 2 lines pmode4 1 line pmode 3 etc etc
different modes give different results....
PAL has a nasty habit of correcting the phase on alternate lines, so we not gonna achieve as many colors as NTSC, and we not gonna get artifacts either....
but given some careful timing (i'm still experimenting) we can actually achieve multiple shades that are previously unseen....
and it's NOT gonna flicker AT ALL !
/Simon
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