John, >> load a number from memory, add to it, and store it back.
<pedantic> wouldn't that be ALSI and ALGSI? With LAA/LAAG/LAAL/LAALG the "load from memory"-part is missing. </pedantic> -- Martin Pi_cap_CPU - all you ever need around MWLC/SCRT/CMT in z/VSE more at http://www.picapcpu.de
