diff options
Diffstat (limited to 'asm/blinkdelay/blink.s')
| -rw-r--r-- | asm/blinkdelay/blink.s | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/asm/blinkdelay/blink.s b/asm/blinkdelay/blink.s new file mode 100644 index 0000000..30219b1 --- /dev/null +++ b/asm/blinkdelay/blink.s @@ -0,0 +1,24 @@ +.include "dat.h" + +.globl main +main: + ldi r16, 1<<DDRB5 + ldi r17, 0<<PORTB5 + out DDRB, r16 + out PORTB, r17 +loop: + /* delay loop */ + ldi r18, 82 + ldi r19, 43 + ldi r20, 0 +l1: + dec r20 + brne l1 + dec r19 + brne l1 + dec r18 + brne l1 + in r16, PORTB + com r16 + out PORTB, r16 + rjmp loop |