diff options
Diffstat (limited to 'asm/blinkdelay2/blink.s')
| -rw-r--r-- | asm/blinkdelay2/blink.s | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/asm/blinkdelay2/blink.s b/asm/blinkdelay2/blink.s new file mode 100644 index 0000000..efc9255 --- /dev/null +++ b/asm/blinkdelay2/blink.s @@ -0,0 +1,67 @@ +.include "dat.h" + +vectors: + jmp start + jmp badirq ; IRQ0 + jmp badirq ; IRQ1 + jmp badirq ; PCINT0 + jmp badirq ; PCINT1 + jmp badirq ; PCINT2 + jmp badirq ; Watchdog Timeout + jmp badirq ; Timer2 CompareA + jmp badirq ; Timer2 CompareB + jmp badirq ; Timer2 Overflow + jmp badirq ; Timer1 Capture + jmp badirq ; Timer1 CompareA + jmp badirq ; Timer1 CompareB + jmp badirq ; Timer1 Overflow + jmp badirq ; Timer0 CompareA + jmp badirq ; Timer0 CompareB + jmp badirq ; Timer0 Overflow + jmp badirq ; SPI Transfer Complete + jmp badirq ; USART RX Complete + jmp badirq ; USART UDR Empty + jmp badirq ; USART TX Complete + jmp badirq ; ADC Conversion Complete + jmp badirq ; EEPROM Ready + jmp badirq ; Analog Comparator + jmp badirq ; 2-wire Serial + jmp badirq ; SPM Ready + +start: + eor r1, r1 + out SREG, r1 + ldi r28, 0xff + ldi r29, 0x8 + out SPL, r28 + out SPH, r29 + call main +halt: + rjmp halt + +badirq: + jmp vectors + +.globl main +main: + ldi r16, 1<<DDRB4|1<<DDRB5 + ldi r17, 0<<PORTB4|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 r17, PORTB + com r17 + andi r17, 1<<PORTB4 + out PORTB, r17 + rjmp loop |