23 lines
278 B
PHP
23 lines
278 B
PHP
;========
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; Macros
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;========
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.macro left_to_right
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in @0, PORTD
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clc
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ror @0
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brcc PC+2
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ldi @0, 0b10000000
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out PORTD, @0
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.endmacro
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.macro right_to_left
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in @0, PORTD
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clc
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rol @0
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brcc PC+2
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ldi @0, 0b00000001
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out PORTD, @0
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.endmacro
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