1 files changed, 7 insertions, 0 deletions
diff --git a/bank2.s b/bank2.s
index d700fc5..6f36b38 100644
--- a/bank2.s
+++ b/bank2.s
@@ -3,4 +3,11 @@ start = $8000
 end = $9fff
  .org start
  .incbin "splitrom.raw.2"
+
+ .if * > end
+  .fatal "bank2 code too large"
+ .else
+  .out .sprintf("=> %d bytes free in bank 2", end - *)
+ .endif
+
  .res end-*+1, $ff