Mplab Xc8 Pic Assembler User 39-s Guide

: This is the primary reference manual covering the assembler driver, assembly language syntax, and advanced features. Official PDF Version (Microchip) Web-Based Version (Microchip Online Docs)

Forget CODE and DATA directives from old assemblers. XC8 uses (Program Sections). The guide dedicates an entire chapter to this. You must define a PSECT for your code, like: mplab xc8 pic assembler user 39-s guide

Before diving into the technicalities, it is worth asking: Why consult the Assembler User’s Guide when C is the industry standard? : This is the primary reference manual covering

If you try to build an old MPASM project ( .asm ) in MPLAB X v5.x or v6.x, you will get errors. You must either port your code to XC8 assembly or revert to an obsolete MPLAB version. The guide dedicates an entire chapter to this

mov_l macro reg, value movlw value movwf reg endm