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NOTICE: list the serial-bus fixes that leave the bus released

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chris committed 2026-10-15 14:21:36 +02:00
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NOTICE
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@@ -23,6 +23,11 @@ Changes:
sets ST to $80 (device not present) and returns, instead of waiting forever.
- src/kernal/iec/close_iec.s (2026-10-15): a CLOSE that finds no device sets ST to $80
(device not present), and still frees the file number.
- src/kernal/iec/unlsn.s, untlk.s (2026-10-15): UNLSN and UNTLK end with CLK, DATA, and ATN
released; UNLSN left CLK pulled, and UNTLK waited for a talker to pull CLK, which after
UNTALK none does, and then left CLK pulled.
- src/kernal/iec/iec_return.s (2026-10-15): a serial routine that finds no device releases
CLK, DATA, and ATN; it left CLK pulled.
- NOTICE: this file.
The licence terms are unchanged; see LICENSE, COPYING, and COPYING.LESSER.