From 351d8c8441b5d32a88b601a2fd306595933dcbe4 Mon Sep 17 00:00:00 2001
From: Akamaki <97360908+akmed772@users.noreply.github.com>
Date: Sat, 17 Aug 2024 00:37:19 +0900
Subject: [PATCH] added i/o port 3e9 write

---
 src/video/vid_ps55da2.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/video/vid_ps55da2.c b/src/video/vid_ps55da2.c
index c5e64694d..143c478dc 100644
--- a/src/video/vid_ps55da2.c
+++ b/src/video/vid_ps55da2.c
@@ -1022,6 +1022,10 @@ void da2_out(uint16_t addr, uint16_t val, void *p)
             }
             da2->attrff ^= 1;
             break;
+        case 0x3E9:
+            /* VZ Editor's CURSOR.COM writes via this port */
+            da2->attrregs[da2->attraddr & 0x3f] = val;
+            break;
         case LG_INDEX:
             da2->gdcaddr = val;
             break;