# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1541717376 -3600
# Node ID 309b07bc17b8b43a56b25c1d951f753289b3cae2
# Parent  ac6df9915caed1b5745cea6b2b2866e5a9d5692b
Wrap the text properly when filling the screen with characters.

diff -r ac6df9915cae -r 309b07bc17b8 examples/vga/main.c
--- a/examples/vga/main.c	Thu Nov 08 23:40:26 2018 +0100
+++ b/examples/vga/main.c	Thu Nov 08 23:49:36 2018 +0100
@@ -339,6 +339,7 @@
 
 static void write_chars(void)
 {
+    const int line_height = 9;
     int x = 0, y = 0;
     char c;
 
@@ -347,16 +348,21 @@
     font_config.base = fontbase;
     font_config.limit = fontlimit;
 
-    while (y < display_config.line_count)
+    while (y + line_height < display_config.line_count)
+    {
         for (c = (char) font_config.base; c < (char) font_config.limit; c++)
         {
-            x = write_char(&display_config, &font_config, c, x, y, 0xff);
-
-            if (x > display_config.line_length)
+            if (x + get_char_definition(&font_config, c)->width > display_config.line_length)
             {
-                x = 0; y += 9;
+                x = 0; y += line_height;
             }
+
+            if (y + line_height >= display_config.line_count)
+                break;
+
+            x = write_char(&display_config, &font_config, c, x, y, 0xff);
         }
+    }
 }
 
 /* Set up a background. */