hw.S
changeset 3 0584de343264
parent 2 f7bdcc9806e6
equal deleted inserted replaced
2:f7bdcc9806e6 3:0584de343264
    18     ; Flags for output
    18     ; Flags for output
    19         ldi         r16, (1 << PORTB4)
    19         ldi         r16, (1 << PORTB4)
    20 
    20 
    21     ; Setup Timer 0
    21     ; Setup Timer 0
    22         ; Count to 64k
    22         ; Count to 64k
    23         ldi         r18, HIGH(0xffff)
    23         ldi         r18, HIGH(0xffff/2)
    24         ldi         r19, LOW(0xffff)
    24         ldi         r19, LOW(0xffff/2)
    25         sts         OCR1AH, r18
    25         sts         OCR1AH, r18
    26         sts         OCR1AL, r19
    26         sts         OCR1AL, r19
    27  
    27  
    28         ; Normal port operation for both comperators
    28         ; Normal port operation for both comperators
    29         ; Bits WGM10:1 zero
    29         ; Bits WGM10:1 zero