Andy, I did not deliberately set the carry bit. How did it get set and how do I make sure it is clear before I rotate left? Gordon Varney > Gordon Varney wrote: > > > Line 5 does a rotate left f, and active is a 01 .... [after the > > rlf, "active" = 03.] > > .... > > Later I do the exact same rotate left and it changes to 02 which > > is what it is should be. > > > > any ideas? > > Sure, Gordon; the carry was set when you did the first RLF, and > it was clear when you did the second one. > > -Andy > > > === Andrew Warren - fastfwd@ix.netcom.com > === Fast Forward Engineering - San Diego, California > === http://www.geocities.com/SiliconValley/2499