| Main | Assembly Programming | Input/Output | Memory | Computer Architecture | Advanced Topics |
Write a 68000 subroutine that sets a block of memory locations to zero where the size of the block (1 to 127) is in register d0 and the address of the block is in register a1. The register values can change in the subroutine.
Loop Moveq.b #0,(a1)+ dec.b d0 bne Loop