Modified a wrong explaination
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@ -36,9 +36,15 @@ MAIN:
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ldi r16, hi8(RAMEND)
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ldi r16, hi8(RAMEND)
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out SPH, r16
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out SPH, r16
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; Set port bits to output mode. We will use LED 5, so we need to set the fifth bit
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; Set port bits to output mode. We will use BUILTIN_LED, so we need to set
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; in DDRB (Data Direction Register B). Check this link for more details:
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; the fifth bit in DDRB (Data Direction Register B). Check this link for
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; more details:
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; https://web.ics.purdue.edu/~jricha14/Port_Stuff/PortB_general.htm [3]
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; https://web.ics.purdue.edu/~jricha14/Port_Stuff/PortB_general.htm [3]
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;
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; Also an important thing to note is that PORTB handles digital PINs from
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; 8 to 13 so by setting the fifth bit of DDRB actually sets PIN 13 for
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; output:
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; https://www.arduino.cc/en/Reference/PortManipulation
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ldi r16, 0x20
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ldi r16, 0x20
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out DDRB, r16
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out DDRB, r16
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