:020000020000FC :03000000758037FF -- Write 37 to port 0 :020003000000FF -- NOP (2 cycles worth) :0300050075A0A5FF -- Write A5 to port 2 :030008007590A1FF -- Write A1 to port 1 :02000B0078B7FF -- MOV R0, #B7 :01000D00E2FF -- MOVX A, R0 :02000E0080FEFF -- SJMP back two (infinite loop) :020010000000FF -- NOP (2 cycles worth) :00000001FF