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CODE8a
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1989-01-01
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register including the stack as a
pointer which means references only
take 4 cycles. Also use data registers
to hold commonly used data such as the
value placed in BLTSIZE, which is the
same for every operation, and remeber
there are in excess of 300 blitter
operations, so every bit of
optimisation helps.
5) Use the fast blitter-processor
clear routine I outlined earlier.
Now its down to you, if you want to
contact me for coding queries write to
my address below BUT please do not send
orders to my address. I already have
enough contacts but I'm always happy to
reply to letters from fellow artists
(coders, graphic artists, musicians
etc.. NOT CRACKERS). Any suggestions
for future articles, or contributions
will be gladly accepted,
my address :
Michael Troughton
42 Browfield Terrace,
Silsden,
KEIGHLEY,
West Yorkshire,
BD20 9PT.
ENGLAND.