diff --git a/Source/HBIOS/hbios.asm b/Source/HBIOS/hbios.asm
index 3e7e7b2b..ebe0a658 100644
--- a/Source/HBIOS/hbios.asm
+++ b/Source/HBIOS/hbios.asm
@@ -2976,7 +2976,6 @@ SYS_RESUSER:
 	DEC	HL			; OTHERWISE, BACK UP 1 MORE BYTE
 ;
 SYS_RESUSER1:
-	RES	7,A			; CLEAR THE TRAP BIT
 	OUT0	(Z180_ITC),A		; SAVE IT
 ;
 	CALL	PRTSTRD			; PRINT ERROR TAG
diff --git a/Source/ZRC/Build.cmd b/Source/ZRC/Build.cmd
index e4be1f07..878de718 100644
--- a/Source/ZRC/Build.cmd
+++ b/Source/ZRC/Build.cmd
@@ -5,6 +5,8 @@ if not exist ..\..\Binary\RCZ80_zrc.rom goto :err
 
 copy /b zrc_cfldr.bin + zrc_ptbl.bin + zrc_fill_1.bin + zrc_mon.bin + zrc_fill_2.bin + ..\..\Binary\RCZ80_zrc.rom + zrc_fill_3.bin ..\..\Binary\hd1024_zrc_prefix.dat
 
+copy /b ..\..\Binary\hd1024_zrc_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_zrc_combo.img
+
 goto :eof
 
 :err
diff --git a/Source/ver.inc b/Source/ver.inc
index 8529eb98..461938fc 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.53"
+#DEFINE BIOSVER	"3.1.1-pre.54"
diff --git a/Source/ver.lib b/Source/ver.lib
index 9c610ce4..5d2784e1 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.53"
+	db	"3.1.1-pre.54"
 	endm