.equ p6ddr, 0xffb9 ;0x7f for output | |
.equ p6dr, 0xffbb | |
.equ seed, 0x01 | |
.text | |
.org 0 | |
reset: .word main ;reset vector | |
; | |
.org 0x400 | |
main: mov.b #0x7f,r0l ;port 6 ddr = 7F | |
mov.b @0xffbb:8,r0l ;***test*** | |
mov.b r0l,@p6ddr:16 | |
; | |
mov.b #seed,r0l ;start with 0000001 | |
loop: mov.b r0l,@p6dr:16 ;output to port 6 | |
delay: mov.w #0x0000,r1 | |
deloop: adds.w #1,r1 | |
bne deloop:8 ;not = 0 | |
rotl r0l | |
bra loop:8 | |
.word 0 |