Michael Johnston wrote: > I am using mplab 5.7 Version 5 is obsolete and quite different from version 6. The latest is version 6.41. You will get better support when using up to date tools. Nobody wants to waste time chasing a bug that has already been fixed. > command line: "C:\PROGRA~1\MPLAB\MPASMWIN.EXE /e+ /l+ /x- /p16C55 /q > C55.ASM" > Error[121] C:\PROGRA~1\MPLAB\C55.ASM 14 : Illegal label (same equ > 0x01) > Error[121] C:\PROGRA~1\MPLAB\C55.ASM 16 : Illegal label (org > 0x000) Error[121] C:\PROGRA~1\MPLAB\C55.ASM 19 : Illegal label > (movlw 0x00) Error[121] C:\PROGRA~1\MPLAB\C55.ASM 20 : Illegal > label (movwf PORTA) Error[121] C:\PROGRA~1\MPLAB\C55.ASM 21 : > Illegal label (tris PORTA) Error[121] C:\PROGRA~1\MPLAB\C55.ASM > 22 : Illegal label (movlw 0x00) Error[121] > C:\PROGRA~1\MPLAB\C55.ASM 23 : Illegal label (movwf PORTB) > Error[121] C:\PROGRA~1\MPLAB\C55.ASM 24 : Illegal label (tris > PORTB) Error[121] C:\PROGRA~1\MPLAB\C55.ASM 25 : Illegal label > (movlw 0x00) Error[121] C:\PROGRA~1\MPLAB\C55.ASM 26 : Illegal > label (movwf PORTC) Error[121] C:\PROGRA~1\MPLAB\C55.ASM 27 : > Illegal label (tris PORTC) Any Suggestions? Try sending this again in such a way that it doesn't get formatted to oblivion. ***************************************************************** Embed Inc, embedded system specialists in Littleton Massachusetts (978) 742-9014, http://www.embedinc.com -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads