diff --git a/README.md b/README.md
index caa1091..e3318eb 100644
--- a/README.md
+++ b/README.md
@@ -49,8 +49,9 @@ To do:
 
 # ICL 1900 simulator.
 
-This is a new simulator. It will not quite pass instruction test. Divide does not work
-also Floating point instructions are not complete. 
+This is a new simulator. Will pass 1904E/1905E CPU diagnostics (FLIT). Will boot paper
+tape executive E4BM and tape executive E6RM. Still need to add more devices and test
+with Goerge 2 and 3.
 
 # IBM 360 simulator.
 
diff --git a/makefile b/makefile
index db58a69..17032be 100644
--- a/makefile
+++ b/makefile
@@ -1087,7 +1087,12 @@ DISPLAYD = display
 # Emulator source files and compile time options
 #
 ICL1900D = ICL1900
-ICL1900 = ${ICL1900D}/icl1900_cpu.c ${ICL1900D}/icl1900_sys.c 
+ICL1900 = ${ICL1900D}/icl1900_cpu.c ${ICL1900D}/icl1900_sys.c \
+          ${ICL1900D}/icl1900_stdio.c ${ICL1900D}/icl1900_cty.c \
+          ${ICL1900D}/icl1900_tr.c ${ICL1900D}/icl1900_tp.c \
+          ${ICL1900D}/icl1900_mta.c ${ICL1900D}/icl1900_lp.c \
+          ${ICL1900D}/icl1900_mt.c
+
 ICL1900_OPT = -I $(ICL1900D) -DICL1900 -DUSE_SIM_CARD
 
 IBM360D = IBM360