diff --git a/Source/ZZR/Build.cmd b/Source/ZZR/Build.cmd
index 57aecb92..6b1fe5f6 100644
--- a/Source/ZZR/Build.cmd
+++ b/Source/ZZR/Build.cmd
@@ -3,8 +3,10 @@ setlocal
 
 if not exist ..\..\Binary\RCZ280_nat_zzr.rom goto :eof
 
-..\..\Tools\srecord\srec_cat.exe ..\..\Binary\RCZ280_nat_zzr.rom -Binary -Exclude 0x5000 0x7000 -Output ..\..\Binary\RCZ280_nat_zzr.hex -Intel
+..\..\Tools\srecord\srec_cat.exe ..\..\Binary\RCZ280_nat_zzr.rom -Binary -Exclude 0x5000 0x7000 zzr_romldr.hex -Intel -Output ..\..\Binary\RCZ280_nat_zzr.hex -Intel
 
-copy /b zzr_cfldr.bin + zzr_ptbl.bin + zzr_fill_1.bin + zzr_mon.bin + zzr_fill_2.bin + ..\..\Binary\RCZ280_nat_zzr.rom + zzr_fill_3.bin ..\..\Binary\hd1024_zzr_prefix.dat
+..\..\Tools\srecord\srec_cat.exe ..\..\Binary\RCZ280_nat_zzr.hex -Intel -Output ..\..\Binary\RCZ280_nat_zzr_ldr.rom -Binary
+
+copy /b zzr_cfldr.bin + zzr_ptbl.bin + zzr_fill_1.bin + zzr_mon.bin + zzr_fill_2.bin + ..\..\Binary\RCZ280_nat_zzr_ldr.rom + zzr_fill_3.bin ..\..\Binary\hd1024_zzr_prefix.dat
 
 copy /b ..\..\Binary\hd1024_zzr_prefix.dat + ..\..\Binary\hd1024_cpm22.img + ..\..\Binary\hd1024_zsdos.img + ..\..\Binary\hd1024_nzcom.img + ..\..\Binary\hd1024_cpm3.img + ..\..\Binary\hd1024_zpm3.img + ..\..\Binary\hd1024_ws4.img ..\..\Binary\hd1024_zzr_combo.img
\ No newline at end of file
diff --git a/Source/ZZR/Makefile b/Source/ZZR/Makefile
index 2980517a..7de1e4e0 100644
--- a/Source/ZZR/Makefile
+++ b/Source/ZZR/Makefile
@@ -1,6 +1,7 @@
 HD1024ZZRPREFIX = hd1024_zzr_prefix.dat
 HD1024ZZZROMBOIMG = hd1024_zzr_combo.img
 ZZRROM = ../../Binary/RCZ280_nat_zzr.rom
+ZZRLDRROM = RCZ280_nat_zzr_ldr.rom
 ZZRROMHEX = RCZ280_nat_zzr.hex
 HD1024IMGS = ../../Binary/hd1024_cpm22.img ../../Binary/hd1024_zsdos.img ../../Binary/hd1024_nzcom.img \
 	../../Binary/hd1024_cpm3.img ../../Binary/hd1024_zpm3.img ../../Binary/hd1024_ws4.img
@@ -10,7 +11,7 @@ OBJECTS :=
 
 
 ifneq ($(wildcard $(ZZRROM)),)
-	OBJECTS += $(HD1024ZZRPREFIX) $(HD1024ZZZROMBOIMG) $(ZZRROMHEX)
+	OBJECTS +=  $(ZZRROMHEX)  $(ZZRLDRROM) $(HD1024ZZRPREFIX) $(HD1024ZZZROMBOIMG)
 endif
 
 DEST=../../Binary
@@ -22,10 +23,13 @@ include $(TOOLS)/Makefile.inc
 DIFFPATH = $(DIFFTO)/Binary
 
 $(HD1024ZZRPREFIX):
-	cat zzr_cfldr.bin zzr_ptbl.bin zzr_fill_1.bin zzr_mon.bin zzr_fill_2.bin $(ZZRROM) zzr_fill_3.bin >$@
+	cat zzr_cfldr.bin zzr_ptbl.bin zzr_fill_1.bin zzr_mon.bin zzr_fill_2.bin $(ZZRLDRROM) zzr_fill_3.bin >$@
 
 $(HD1024ZZZROMBOIMG): $(HD1024ZZRPREFIX) $(HD1024IMGS)
 	cat $^ > $@
 
 $(ZZRROMHEX): $(ZZRROM)
-	srec_cat $(ZZRROM) -Binary -Exclude 0x5000 0x7000 -Output $(ZZRROMHEX) -Intel
\ No newline at end of file
+	srec_cat $(ZZRROM) -Binary -Exclude 0x5000 0x7000 zzr_romldr.hex -Intel -Output $(ZZRROMHEX) -Intel
+
+$(ZZRLDRROM): $(ZZRROMHEX)
+	srec_cat $(ZZRROMHEX) -Intel -Output $(ZZRLDRROM) -Binary
diff --git a/Source/ZZR/ZZR Disk Layout.txt b/Source/ZZR/ZZR Disk Layout.txt
index a584b166..edf6a1ae 100644
--- a/Source/ZZR/ZZR Disk Layout.txt	
+++ b/Source/ZZR/ZZR Disk Layout.txt	
@@ -9,6 +9,8 @@ Start   Length  Sector  Count   Description
 0x64000 0x9C000 0x320   0x4E0   Filler
 0x100000        0x800           Slices
 
+Must insert zzr_romldr.bin at 0x5000-x5FFF of ROM image.  This is also 0x29000-0x29FFF of CF image.
+
 Notes
 -----
 
diff --git a/Source/ZZR/zzr_mon.bin b/Source/ZZR/zzr_mon.bin
index 719029c1..d9bbfcca 100644
Binary files a/Source/ZZR/zzr_mon.bin and b/Source/ZZR/zzr_mon.bin differ
diff --git a/Source/ver.inc b/Source/ver.inc
index 7483a543..ea3f72f1 100644
--- a/Source/ver.inc
+++ b/Source/ver.inc
@@ -2,4 +2,4 @@
 #DEFINE	RMN	1
 #DEFINE	RUP	1
 #DEFINE	RTP	0
-#DEFINE BIOSVER	"3.1.1-pre.63"
+#DEFINE BIOSVER	"3.1.1-pre.64"
diff --git a/Source/ver.lib b/Source/ver.lib
index 280a27a8..da8ade19 100644
--- a/Source/ver.lib
+++ b/Source/ver.lib
@@ -3,5 +3,5 @@ rmn	equ	1
 rup	equ	1
 rtp	equ	0
 biosver	macro
-	db	"3.1.1-pre.63"
+	db	"3.1.1-pre.64"
 	endm