Apply suggestions from code review

RKennedy9064 · phil-opp · web-flow · commit 1eaedc117a5f · 2020-03-14T11:37:05.000-05:00
Co-Authored-By: Philipp Oppermann &lt;dev@phil-opp.com&gt;
diff --git a/src/video_mode/vga_320x200.s b/src/video_mode/vga_320x200.s
@@ -19,7 +19,7 @@ vga_map_frame_buffer_loop:
     mov [_p1 + ecx * 8], eax
 
     add eax, 4096
-    cmp eax, 0xbffff
+    cmp eax, 0xc0000
     jl vga_map_frame_buffer_loop
 
     ret
diff --git a/src/video_mode/vga_text_80x25.s b/src/video_mode/vga_text_80x25.s
@@ -19,7 +19,7 @@ vga_map_frame_buffer_loop:
     mov [_p1 + ecx * 8], eax
 
     add eax, 4096
-    cmp eax, 0xbffff
+    cmp eax, 0xc0000
     jl vga_map_frame_buffer_loop
 
     ret
