vt: We are going to make this more bankable, add warnings

diff --git a/Kernel/vt.c b/Kernel/vt.c
index a5e2434..541b1c0 100644 (file)
--- a/Kernel/vt.c
+++ b/Kernel/vt.c
@@ -30,6 +30,10 @@
  *     define CONFIG_VT_SIMPLE
  *     VT_BASE is the base address in kernelspace
  *     VT_WIDTH is the line width (including padding)
+ *
+ *     This code can be banked on its own. If you touch it on Z80 make
+ *     very sure you inspect the asm output for calls to compiler helpers
+ *     and don't add any.
  *     
  */