[Coco] "Reading" non-readable bytes with PEEK vs ZBUG

Darren A. darccml at hotmail.com
Thu Jan 24 23:08:18 EST 2008

> If the two bits are not actually known or not consistantly the same then do 
> two LSLs followed by two LSRs.  This will shift the two questionable bits out 
> through the carry and the two LSRs will shift "0" back into the upper two bits. 
> problem solved. 
> james


Or better yet, just do one AND #$3F.  That cuts the byte count in half, and executes 3 times faster.


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