On Mon, 16 Jan 2012 06:49:54 -0600, Dan Skomsky, PSTI wrote: >One Assembler trick I have seen in speeding up scanning loops was to use a >CLI instruction to check the first byte of a string and then only doing the >CLC/CLCL if the CLI matches. This trick even works if doing a binary >search.
I don't know if the cost of EX is high enough that you would benefit from doing a one byte CLC before an EX of a CLC. I don't see how a CLI will help you though. -- Tom Marchant
