Post by thread:Limiting number range

Hi, I need to ensure a number (read from EEProm) is with certain limits (0..10 decimal) and if outside those limits set the number to 1. This works, but is there a quicker, better, or more obscure way of acieving the same effect? movf Number, w sublw .10 skpnc goto TestEnd movlw .1 movwf Number TestEnd Regards, Michael

Mike <spam_OUTPICLISTTakeThisOuTMITVMA.MIT.EDU> wrote: > I need to ensure a number (read from EEProm) is with certain limits > (0..10 decimal) and if outside those limits set the number to 1. > > This works, but is there a quicker, better, or more obscure way of > acieving the same effect? > > movf Number, w > sublw .10 > skpnc > goto TestEnd > movlw .1 > movwf Number > TestEnd Michael: This way is a LITTLE quicker and shorter, and it'll work on the 12-bit PICs as well as the 14-bit ones: MOVLW 10+1 SUBWF NUMBER,W MOVLW 1 SKPNC MOVWF NUMBER -Andy === Andrew Warren - .....fastfwdKILLspam@spam@ix.netcom.com === Fast Forward Engineering - Vista, California === http://www.geocities.com/SiliconValley/2499