diff --git a/Binary/Apps/Makefile b/Binary/Apps/Makefile
index ca8f776a..ea259d94 100644
--- a/Binary/Apps/Makefile
+++ b/Binary/Apps/Makefile
@@ -1,4 +1,5 @@
 TOOLS = ../../Tools
+MOREDIFF := $(shell $(TOOLS)/unix/casefn.sh *.com Tunes/*)
 
 include $(TOOLS)/Makefile.inc
 
diff --git a/Binary/Makefile b/Binary/Makefile
index 7175f9f2..c856d1b8 100644
--- a/Binary/Makefile
+++ b/Binary/Makefile
@@ -1,4 +1,5 @@
 TOOLS = ../Tools
+MOREDIFF := $(shell $(TOOLS)/unix/casefn.sh *.img *.rom *.com *.eeprom)
 SUBDIRS = Apps
 
 include $(TOOLS)/Makefile.inc
diff --git a/Source/HBIOS/Build.sh b/Source/HBIOS/Build.sh
index ed7dadde..1344a610 100755
--- a/Source/HBIOS/Build.sh
+++ b/Source/HBIOS/Build.sh
@@ -46,9 +46,9 @@ fi
 
 Apps=(assign fdu format mode osldr rtc survey syscopy sysgen talk timer xm inttest)
 timestamp=$(date +%Y-%m-%d)
-timestamp="2020-02-20"
+#timestamp="2020-02-24"
 
-blankfile=Blank${romsize}.dat
+blankfile=Blank${romsize}KB.dat
 romdiskfile=RomDisk.tmp
 romfmt=wbw_rom${romsize}
 outdir=../../Binary
diff --git a/Source/HBIOS/Makefile b/Source/HBIOS/Makefile
index f5a36a41..b598a3b3 100644
--- a/Source/HBIOS/Makefile
+++ b/Source/HBIOS/Makefile
@@ -1,4 +1,26 @@
-OBJECTS = ZETA2_std.rom N8_std.rom SBC_std.rom
+OBJECTS =
+
+ifeq (1,0)
+OBJECTS += DYNO_std.rom 
+OBJECTS += EZZ80_std.rom 
+OBJECTS += MK4_std.rom 
+OBJECTS += N8_std.rom
+OBJECTS += RCZ180_ext.rom 
+OBJECTS += RCZ180_nat.rom 
+OBJECTS += RCZ80_kio.rom
+OBJECTS += RCZ80_mt.rom 
+OBJECTS += RCZ80_std.rom 
+OBJECTS += RCZ80_wiz.rom 
+OBJECTS += SBC_simh.rom
+OBJECTS += SBC_std.rom 
+OBJECTS += SCZ180_126.rom 
+OBJECTS += SCZ180_130.rom 
+OBJECTS += UNA_std.rom
+OBJECTS += ZETA_std.rom
+endif
+
+OBJECTS += ZETA2_std.rom 
+
 MOREDIFF = camel80.bin game.bin hbios_rom.bin nascom.bin prefix.bin usrrom.bin \
 	dbgmon.bin hbios_app.bin imgpad0.bin osimg1.bin romldr.bin \
 	eastaegg.bin hbios_img.bin imgpad.bin osimg.bin tastybasic.bin \
@@ -7,14 +29,14 @@ MOREDIFF = camel80.bin game.bin hbios_rom.bin nascom.bin prefix.bin usrrom.bin \
 SUBDIRS = 
 DEST = ../../Binary
 TOOLS =../../Tools
-OTHERS =  *.bin *.z80 cpm.sys zsys.sys Build.inc
+OTHERS =  *.img *.rom *.com *.bin *.z80 cpm.sys zsys.sys Build.inc
 include $(TOOLS)/Makefile.inc
 DIFFPATH = $(DIFFTO)/Binary
 
 
 ROMSIZE=512
 
-N8_std.rom: ROMSIZE=1024
+N8_std.rom: ROMSIZE=512
 
 %.rom:
 	bash Build.sh $(shell echo $* | tr '_' ' ') $(ROMSIZE)
@@ -23,11 +45,19 @@ N8_std.rom: ROMSIZE=1024
 #	bash Build.sh ZETA2 std 512
 
 hbios_rom.bin:	hbios.asm build.inc
-	$(TASM) -dROMBOOT hbios.asm hbios_rom.bin
+	$(TASM) -dROMBOOT hbios.asm hbios_rom.bin hbios_rom.lst
 
 hbios_app.bin:	hbios.asm build.inc
-	$(TASM) -dAPPBOOT hbios.asm hbios_app.bin
+	$(TASM) -dAPPBOOT hbios.asm hbios_app.bin hbios_app.lst
 
 hbios_img.bin:	hbios.asm build.inc
-	$(TASM) -dIMGBOOT hbios.asm hbios_img.bin
-
+	$(TASM) -dIMGBOOT hbios.asm hbios_img.bin hbios_img.lst
+
+romldr.bin:	build.inc
+dbgmon.bin:	build.inc
+nascom.bin:	build.inc
+
+dumps:
+	for i in $(MOREDIFF) ; do \
+		hexdump -C $$i >$$i.dump ; \
+	done
diff --git a/Tools/Makefile.inc b/Tools/Makefile.inc
index 5d5062fc..4d0c5583 100644
--- a/Tools/Makefile.inc
+++ b/Tools/Makefile.inc
@@ -148,19 +148,24 @@ ifneq ($(DIFFTO),)
 	@for i in $(OBJECTS) $(MOREDIFF) ; do \
         sf=$$($(CASEFN) $$i) ; \
 		df=$$($(CASEFN) $(DIFFPATH)/$$i) ; \
-        if [ -f $$df -a -f $$sf ] ; then \
+        if [ -f "$$df" -a -f "$$sf" ] ; then \
 			if [ "$(VERBOSEDIFF)" ] ; then \
 				echo compare $$sf and $$df ; \
 			fi ; \
 			if ! cmp -s $$sf $$df ; then \
 				echo " " $$sf and $$df differ ; \
 				if [ "$(VERBOSEDIFF)" = "2" ] ; then \
-					cmp -bl $$sf $$df ; \
 					hexdump -Cv $$sf > $$sf.dump ; \
 					hexdump -Cv $$df > $$(basename $$df).dump.diff ; \
 				fi \
 			fi \
-		fi \
+		else \
+			if [ ! -f "$$sf" ] ; then echo $$i missing ; fi ; \
+			if [ ! -f "$$df" ] ; then echo $(DIFFPATH)/$$i missing ; fi ; \
+		fi ; \
     done
 endif
+
+vdiff:
+	make VERBOSEDIFF=2 diff
 
diff --git a/Tools/unix/bin2asm/bin2asm.c b/Tools/unix/bin2asm/bin2asm.c
index adc2bca8..e9af0fab 100644
--- a/Tools/unix/bin2asm/bin2asm.c
+++ b/Tools/unix/bin2asm/bin2asm.c
@@ -34,9 +34,11 @@ int main(int argc, char *argv[]) {
         }
 
         // print header
+#ifdef notdef
         printf("        .section .rodata\r\n");
         printf("        .global %s\r\n", name);
         printf("        .align  2\r\n\r\n");
+#endif
         printf("%s:\r\n\r\n", name);
 
         // write lines