WP-34S: Safely copy a graphics register's contents
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06-11-2014, 10:17 PM
Post: #11
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RE: WP-34S: Safely copy a graphics register's contents
(06-11-2014 10:11 PM)Paul Dale Wrote:(06-11-2014 10:01 PM)Dave Britten Wrote: Ah, R-COPY should be the secret ingredient I need. Currently the program happens to be running in BASE 10 64-bit word size when it does the STO/RCL, so it appears to work fine, but I'll change it to the safer method. Looks like I just need to call 1.01 R-COPY to do the job. Okay, good to know about using unsigned mode. That makes more sense for this program anyway. I think I'm going to stick with STO/RCL and make sure I'm running 64-bit unsigned. I realized have a need to compare the two register values to see if there's a change, and I'll need to get them onto the stack unmangled anyway in order to do that, so might as well just STO after I'm done comparing. Thanks for the input guys. |
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