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comment blink.asm a bit

This commit is contained in:
Eve Entropia 2011-02-23 23:00:15 +01:00
parent 9fa50e2f09
commit 33424e70b1

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@ -1,17 +1,25 @@
.INCLUDE "tn13def.inc" .INCLUDE "tn13def.inc"
; data direction = output
sbi DDRB, 1 ; PB1 sbi DDRB, 1 ; PB1
loop: loop:
; clear bit
cbi PORTB, 1 cbi PORTB, 1
; wait
loop1: loop1:
sbiw ZL, 1 sbiw ZL, 1
brne loop1 brne loop1
; set bit
sbi PORTB, 1 sbi PORTB, 1
; wait
loop2: loop2:
sbiw ZL, 1 sbiw ZL, 1
brne loop2 brne loop2
; again! again! again!
rjmp loop rjmp loop