14 lines
316 B
Plaintext
14 lines
316 B
Plaintext
;
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; Copyright (c) 2020 Raspberry Pi (Trading) Ltd.
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;
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; SPDX-License-Identifier: BSD-3-Clause
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;
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.program squarewave
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set pindirs, 1 ; Set pin to output
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again:
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set pins, 1 [1] ; Drive pin high and then delay for one cycle
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set pins, 0 ; Drive pin low
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jmp again ; Set PC to label `again`
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