diff --git a/recipes/trs80/.gitignore b/recipes/trs80/.gitignore
index 0f5a259..9d72a14 100644
--- a/recipes/trs80/.gitignore
+++ b/recipes/trs80/.gitignore
@@ -1,2 +1,3 @@
 /cfsin/user.h
 /cfsin/zasm
+/cfsin/ed
diff --git a/recipes/trs80/Makefile b/recipes/trs80/Makefile
index 277d069..2dea7f7 100644
--- a/recipes/trs80/Makefile
+++ b/recipes/trs80/Makefile
@@ -1,4 +1,4 @@
-SHELLAPPS = zasm
+SHELLAPPS = zasm ed
 APPTARGETS = ${SHELLAPPS:%=cfsin/%} 
 CFSTARGETS = $(APPTARGETS) cfsin/user.h
 TARGET = os.bin
diff --git a/recipes/trs80/glue.asm b/recipes/trs80/glue.asm
index 2e3192d..7f8a124 100644
--- a/recipes/trs80/glue.asm
+++ b/recipes/trs80/glue.asm
@@ -9,11 +9,16 @@
 .org	0x3000
 	jp	init
 
+; The TRS-80 generates a double line feed if we give it both CR and LF.
+; Has to be defined before the jump table.
+.equ	printcrlf	printcr
+
 ; *** Jump Table ***
 	jp	strncmp
 	jp	upcase
 	jp	findchar
 	jp	printstr
+	jp	printcrlf
 	jp	blkSet
 	jp	blkSel
 	jp	_blkGetB
@@ -23,6 +28,10 @@
 	jp	fsFindFN
 	jp	fsOpen
 	jp	fsGetB
+	jp	fsPutB
+	jp	fsSetSize
+	jp	stdioPutC
+	jp	stdioReadLine
 
 .inc "err.h"
 .inc "blkdev.h"
@@ -53,9 +62,6 @@
 .equ	FS_HANDLE_COUNT	2
 .inc "fs.asm"
 
-; The TRS-80 generates a double line feed if we give it both CR and LF.
-.equ	printcrlf	printcr
-
 ; *** BASIC ***
 
 ; RAM space used in different routines for short term processing.
diff --git a/recipes/trs80/user.h b/recipes/trs80/user.h
index bab9658..c70d16b 100644
--- a/recipes/trs80/user.h
+++ b/recipes/trs80/user.h
@@ -3,6 +3,7 @@
 .equ    upcase      @+3
 .equ    findchar    @+3
 .equ    printstr    @+3
+.equ    printcrlf   @+3
 .equ    blkSet      @+3
 .equ    blkSel      @+3
 .equ    _blkGetB    @+3
@@ -12,3 +13,7 @@
 .equ    fsFindFN    @+3
 .equ    fsOpen      @+3
 .equ    fsGetB      @+3
+.equ    fsPutB      @+3
+.equ    fsSetSize   @+3
+.equ    stdioPutC   @+3
+.equ    stdioReadLine @+3