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Old 28 June 2013, 14:38   #54
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Originally Posted by Mrs Beanbag View Post
This is called Sliced HAM (SHAM). Newtek Demo Reel 1 (1987) showed this off in a hires interlaced imagine.

EDIT: The Netwek image wasn't actually HAM, now I come to look it up. You could do interlaced HAM but not HiRes. It did use palette changing trick though.
Nope - NewTek AFAIR use CPU and their named this mode Dynamic Hires, SHAM is something else - AFAIR this is nicely explained in guide to PCHG library.

Originally Posted by Mrs Beanbag View Post
I wonder if originally the idea came from the old arcade machines that used a monochrome screen with a coloured filter on top.
Original idea for what? dynamic changes for color?
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