diff --git a/doc/zasm.md b/doc/zasm.md
index b32a4ec..dcc82c4 100644
--- a/doc/zasm.md
+++ b/doc/zasm.md
@@ -22,7 +22,7 @@ is configured to start at `0xe00`
     > bsel 3                ; select mmap
     > peek 5
     210890CD3C              ; looking good
-    > mptr 9000             ; hello.asm is configured to run from 0x9000
+    > mptr 4200             ; hello.asm is configured to run from 0x4200
     > load ff               ; load compiled code from mmap
     > peek 5
     210890CD3C              ; looking good
diff --git a/tools/emul/cfsin/hello.asm b/tools/emul/cfsin/hello.asm
index 9c98915..1f41e92 100644
--- a/tools/emul/cfsin/hello.asm
+++ b/tools/emul/cfsin/hello.asm
@@ -1,6 +1,5 @@
-.equ	printstr	0x3c
-
-.org	0x9000
+#include "user.h"
+.org	USER_CODE
 
 	ld	hl, sAwesome
 	call	printstr