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mac_via: implement ADB_STATE_IDLE state if shift register in input mode

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NetBSD switches directly to IDLE state without switching the shift register to
input mode. Duplicate the existing ADB_STATE_IDLE logic in input mode from when
the shift register is in output mode which allows the ADB autopoll handler to
handle the response.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-ID: <20231004083806.757242-17-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Mark Cave-Ayland 2023-10-04 09:38:02 +01:00 committed by Laurent Vivier
parent 2006904938
commit 7ebfb91d8f
1 changed files with 6 additions and 0 deletions
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6
hw/misc/mac_via.c
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@ -702,6 +702,12 @@ static void adb_via_send(MOS6522Q800VIA1State *v1s, int state, uint8_t data)
break;
case ADB_STATE_IDLE:
ms->b |= VIA1B_vADBInt;
adb_autopoll_unblock(adb_bus);
trace_via1_adb_send("IDLE", data,
(ms->b & VIA1B_vADBInt) ? "+" : "-");
return;
}