From 1b025338c449183aa1cfbe595994fd9ddf7feb8e Mon Sep 17 00:00:00 2001
From: Anatoliy Belyanskiy <tolik.trek@gmail.com>
Date: Sat, 30 Sep 2023 01:36:57 +1000
Subject: [PATCH] ...

---
 constants/SP2000.inc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/constants/SP2000.inc b/constants/SP2000.inc
index bf543c1..5e21ce4 100644
--- a/constants/SP2000.inc
+++ b/constants/SP2000.inc
@@ -1942,6 +1942,7 @@ PIO:
 .Port_A.Data            EQU     #1C       ; Data register                        LPT 1
 .Port_A.Command         EQU     #1D       ; Command register                     LPT 1
 .Port_B.Data            EQU     #1E       ; Data register                        LPT 2
+;только через регистр BC, иначе Альтера перехватит
 .Port_B.Command         EQU     #1F       ; Command register                     LPT 2
 ; Watch Dog timer
 WDT: