diff --git a/rom/Makefile b/rom/Makefile
index ba66e3a..64e4838 100644
--- a/rom/Makefile
+++ b/rom/Makefile
@@ -1,11 +1,11 @@
 
-all: rom.mem
+all: rom.mem uart.mem
 
-rom.bin: rom.pal
-	../utils/macro/macro8x rom.pal
+%.bin: %.pal
+	../utils/macro/macro8x $<
 
-rom.mem: rom.bin
-	../utils/showbin/showbin rom.bin >rom.mem
+%.mem: %.bin
+	../utils/showbin/showbin $< >$@
 
 clean:
 	rm -rf *.lst *.bin *.mem
diff --git a/rom/uart.pal b/rom/uart.pal
new file mode 100644
index 0000000..b957899
--- /dev/null
+++ b/rom/uart.pal
@@ -0,0 +1,31 @@
+/ ROM IS ONE PAGE AT 7400 - 7577
+
+*7400
+	/ test uart
+	CLA CMA
+
+	TAD KMSG
+	DCA 10
+
+	TAD KLEN
+	DCA 7
+
+LOOP,
+	CLA
+	TAD I 10
+	TLS
+	TSF
+	JMP .-1
+
+	ISZ 7
+	JMP LOOP
+
+DONE,	JMP DONE
+
+
+KMSG,	MSG
+KLEN,	-12
+  
+MSG,	215;212;"H;"E;"L;"L;"O;"!;215;212
+
+