Short: Motorola 68000 Instruction Set Quick Reference Guide. Author: alien@zikzak.apana.org.au (Diego Barros) Uploader: alien@zikzak.apana.org.au (Diego Barros) Type: dev/asm Distribution: Anywhere. Freely Distributable. Motorola 68000 Instruction Set Quick Reference Guide. Text file containing a list of all op-codes, descriptions, assembler syntax, affected condition flags. Use of the CMP (compare) instruction and addressing modes.