arm-emu Assembler

Comments

Nothing special about comments.

;  single line comment
// single line comment

/* multi
 * line
 * comment
*/

Note on nesting comments. You can’t nest multiple multiline comments together.

/* We can
 * // nest comments like this
*/

// or /* like */ this

// [DO NOT DO THIS!]
/* But not like
  /* this */
*/

Instructions and registers can be written upper or lowercase but can’t be mixed.

mov R0, #41
ADD r0, r0, #1

Labels are case sensitive.

Labels are case sensitive.

Name collisions result in a error.

They are defined like this

loop:
  add r0, r0, #1
  cmp r0, #100
  bne loop

Assembly directives are instructions for the assembler.