From b523caac8253cf91913ab913b64af54dfa3a2220 Mon Sep 17 00:00:00 2001
From: Patrick Linstruth <patrick@deltecent.com>
Date: Sun, 3 Mar 2024 12:19:13 -0500
Subject: [PATCH] AltairZ80: Enable interrupt event after BOOT

---
 AltairZ80/altairz80_sio.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/AltairZ80/altairz80_sio.c b/AltairZ80/altairz80_sio.c
index 8b81751e..b00a2a65 100644
--- a/AltairZ80/altairz80_sio.c
+++ b/AltairZ80/altairz80_sio.c
@@ -581,6 +581,8 @@ static t_stat sio_reset(DEVICE *dptr) {
             if (TerminalLines[i].conn)
                 tmxr_reset_ln(&TerminalLines[i]);
     mapAltairPorts();
+    if (sio_unit.flags & UNIT_SIO_INTERRUPT)
+        sim_activate(&sio_unit, sio_unit.wait);             /* activate unit    */
     return SCPE_OK;
 }