X-Git-Url: http://git.joshuawise.com/fpgaboy.git/blobdiff_plain/bf3f2c5f96cdfc7629e93d810f42550349388122..3db3fc270d517ca76518b47950f5240990e84cc5:/diag.asm

diff --git a/diag.asm b/diag.asm
index 780f5c2..b30faf3 100644
--- a/diag.asm
+++ b/diag.asm
@@ -475,14 +475,14 @@ insntest:
 
 ; Serial port manipulation functions.
 putc:
-	ld c, $50
+	ld c, $53
 	push af
 .waitport:
 	ld a,[c]
-	cp $00
+	and $01
 	jr nz,.waitport
 	pop af
-	ld [c],a
+	ld [$FF52],a
 	ret
 
 puts: