From d1b5e3ec8e60d3f5496a30610c67d01a33edc362 Mon Sep 17 00:00:00 2001
From: rs <>
Date: Mon, 13 Oct 2025 19:54:14 -0500
Subject: [PATCH] Fix screen scrolling in writer test program

---
 projects/cpu_0/asm/vga_console.asm | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/projects/cpu_0/asm/vga_console.asm b/projects/cpu_0/asm/vga_console.asm
index 0aa3fc0..1f3cb44 100644
--- a/projects/cpu_0/asm/vga_console.asm
+++ b/projects/cpu_0/asm/vga_console.asm
@@ -130,11 +130,19 @@ vga_update_cursor:
 .topgood:
 
     ( If y coordinate off the bottom, scroll and pull it back )
+    idis
     #32 vga_cursor_y @8 #8 60i8 swap - jn .botgood
     #32 vga_scr
     #32 vga_scr #8 80i8 shl +
-    #32 4800i32 #8 80i8 shl -
+    #32 4720i32 shl
     call mem_move
+
+    #32 vga_scr #32 4720i32 shl +
+    #32 vga_cursor_col @8 shl shl shl shl shl shl shl shl #8 0x20i32 |
+    #8 80i8
+    call mem_set_16
+    ien
+
     #32 vga_cursor_y @8 #8 1i8 swap - #32 vga_cursor_y !8 drop
 .botgood:
 
-- 
2.43.0