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Old 19 June 2016, 23:12   #6
Mrs Beanbag
Glastonbridge Software
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Join Date: Jan 2012
Location: Edinburgh/Scotland
Posts: 2,242
You still need XOR. You don't need to redirect the first pixel of the line elsewhere (which is kind of an undocumented blitter feature i think? and therefore a hack), like you said here: "blitting the first pixel of the line Elsewhere". It's instead of that, it omits the last pixel instead of the first. Which is equivalent if you just imagine the line going the other way.
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