diff --git a/Doc/RomWBW Applications.pdf b/Doc/RomWBW Applications.pdf
index b5e2f665..74a3a3a6 100644
Binary files a/Doc/RomWBW Applications.pdf and b/Doc/RomWBW Applications.pdf differ
diff --git a/Doc/RomWBW Disk Catalog.pdf b/Doc/RomWBW Disk Catalog.pdf
index 6f070cad..6ff51c89 100644
Binary files a/Doc/RomWBW Disk Catalog.pdf and b/Doc/RomWBW Disk Catalog.pdf differ
diff --git a/Doc/RomWBW Errata.pdf b/Doc/RomWBW Errata.pdf
index 22fdae85..3c72f800 100644
Binary files a/Doc/RomWBW Errata.pdf and b/Doc/RomWBW Errata.pdf differ
diff --git a/Doc/RomWBW ROM Applications.pdf b/Doc/RomWBW ROM Applications.pdf
index 9899e664..08d0e025 100644
Binary files a/Doc/RomWBW ROM Applications.pdf and b/Doc/RomWBW ROM Applications.pdf differ
diff --git a/Doc/RomWBW System Guide.pdf b/Doc/RomWBW System Guide.pdf
index 45330303..c67bfe59 100644
Binary files a/Doc/RomWBW System Guide.pdf and b/Doc/RomWBW System Guide.pdf differ
diff --git a/Doc/RomWBW User Guide.pdf b/Doc/RomWBW User Guide.pdf
index 4f832ea2..71ea264e 100644
Binary files a/Doc/RomWBW User Guide.pdf and b/Doc/RomWBW User Guide.pdf differ
diff --git a/ReadMe.md b/ReadMe.md
index 4fe5130b..f1ea670b 100644
--- a/ReadMe.md
+++ b/ReadMe.md
@@ -3,7 +3,7 @@
 **RomWBW ReadMe** \
 Version 3.4 \
 Wayne Warthen  ([wwarthen@gmail.com](mailto:wwarthen@gmail.com)) \
-22 Dec 2023
+27 Dec 2023
 
 # Overview
 
@@ -197,6 +197,30 @@ let me know if I missed you!
   Aztec C, HiTech C, SLR Z80ASM, Turbo Pascal, Microsoft BASIC Compiler,
   Microsoft Fortran Compiler, and a Games compendium.
 
+- Martin R has provided substantial help reviewing and improving the
+  User Guide.
+
+- Jacques Pelletier has contributed the DS1501 RTC driver code.
+
+- Jose Collado has contributed enhancements to the TMS driver including
+  compatibility with standard TMS register configuration.
+
+- Kevin Boone has contributed a generic HBIOS date/time utility (WDATE).
+
+- Matt Carroll has contributed a fix to XM.COM that corrects the port
+  specification when doing a send.
+
+- Dean Jenkins enhanced the build process to accommodate the Raspberry
+  Pi 4.
+
+- Tom Plano has contributed a new utility (HTALK) to allow talking
+  directly to HBIOS COM ports.
+
+- Lars Nelson has contributed several generic utilities such as a
+  universal (OS agnostic) UNARC application.
+
+- Dylan Hall added support for specifying a secondary console.
+
 Contributions of all kinds to RomWBW are very welcome.
 
 # Licensing
diff --git a/ReadMe.txt b/ReadMe.txt
index 7df74066..7fa7f6d5 100644
--- a/ReadMe.txt
+++ b/ReadMe.txt
@@ -1,6 +1,6 @@
 RomWBW ReadMe
 Wayne Warthen (wwarthen@gmail.com)
-22 Dec 2023
+27 Dec 2023
 
 
 
@@ -197,6 +197,31 @@ let me know if I missed you!
     including Aztec C, HiTech C, SLR Z80ASM, Turbo Pascal, Microsoft
     BASIC Compiler, Microsoft Fortran Compiler, and a Games compendium.
 
+-   Martin R has provided substantial help reviewing and improving the
+    User Guide.
+
+-   Jacques Pelletier has contributed the DS1501 RTC driver code.
+
+-   Jose Collado has contributed enhancements to the TMS driver
+    including compatibility with standard TMS register configuration.
+
+-   Kevin Boone has contributed a generic HBIOS date/time utility
+    (WDATE).
+
+-   Matt Carroll has contributed a fix to XM.COM that corrects the port
+    specification when doing a send.
+
+-   Dean Jenkins enhanced the build process to accommodate the Raspberry
+    Pi 4.
+
+-   Tom Plano has contributed a new utility (HTALK) to allow talking
+    directly to HBIOS COM ports.
+
+-   Lars Nelson has contributed several generic utilities such as a
+    universal (OS agnostic) UNARC application.
+
+-   Dylan Hall added support for specifying a secondary console.
+
 Contributions of all kinds to RomWBW are very welcome.
 
 
diff --git a/Source/Doc/ReadMe.md b/Source/Doc/ReadMe.md
index 93aba3a8..c377e12f 100644
--- a/Source/Doc/ReadMe.md
+++ b/Source/Doc/ReadMe.md
@@ -187,6 +187,30 @@ please let me know if I missed you!
   BASIC Compiler, Microsoft Fortran Compiler, and a Games
   compendium.
 
+* Martin R has provided substantial help reviewing and improving the
+  User Guide.
+
+* Jacques Pelletier has contributed the DS1501 RTC driver code.
+
+* Jose Collado has contributed enhancements to the TMS driver
+  including compatibility with standard TMS register configuration.
+
+* Kevin Boone has contributed a generic HBIOS date/time utility (WDATE).
+
+* Matt Carroll has contributed a fix to XM.COM that corrects the
+  port specification when doing a send.
+
+* Dean Jenkins enhanced the build process to accommodate the
+  Raspberry Pi 4.
+
+* Tom Plano has contributed a new utility (HTALK) to allow talking
+  directly to HBIOS COM ports.
+
+* Lars Nelson has contributed several generic utilities such as
+  a universal (OS agnostic) UNARC application.
+
+* Dylan Hall added support for specifying a secondary console.
+
 Contributions of all kinds to RomWBW are very welcome.
 
 # Licensing
diff --git a/Source/HBIOS/Build.cmd b/Source/HBIOS/Build.cmd
index 83b317b3..03dbe739 100644
--- a/Source/HBIOS/Build.cmd
+++ b/Source/HBIOS/Build.cmd
@@ -139,7 +139,7 @@ if %ROMSize% gtr 0 (
     copy /b hbios_rom.bin + osimg.bin + osimg1.bin + osimg2.bin %ROMName%.upd || exit /b
     copy /b hbios_app.bin + osimg_small.bin %ROMName%.com || exit /b
 ) else (
-    copy /b hbios_rom.bin + osimg.bin + osimg1.bin + osimg2.bin  + ..\RomDsk\ram%ROMSize%_wbw.dat %ROMName%.rom || exit /b
+    copy /b hbios_rom.bin + osimg.bin + osimg1.bin + osimg2.bin  + ..\RomDsk\ram%RAMSize%_wbw.dat %ROMName%.rom || exit /b
     copy /b hbios_rom.bin + osimg.bin + osimg1.bin + osimg2.bin %ROMName%.upd || exit /b
     copy /b hbios_app.bin + osimg_small.bin %ROMName%.com || exit /b
 )
diff --git a/Source/HBIOS/Build.sh b/Source/HBIOS/Build.sh
index c50d3f73..6bd29d53 100755
--- a/Source/HBIOS/Build.sh
+++ b/Source/HBIOS/Build.sh
@@ -6,6 +6,7 @@ set -e
 export ROM_PLATFORM
 export ROM_CONFIG
 export ROMSIZE
+export RAMSIZE
 export CPUFAM
 
 if [ "${ROM_PLATFORM}" == "dist" ] ; then
@@ -114,4 +115,4 @@ fi
 
 #echo OBJECTS=${OBJECTS}
 
-make ROM_PLATFORM=${ROM_PLATFORM} ROM_CONFIG=${ROM_CONFIG} ROMSIZE=${ROMSIZE}
+make ROM_PLATFORM=${ROM_PLATFORM} ROM_CONFIG=${ROM_CONFIG} ROMSIZE=${ROMSIZE} RAMSIZE=${RAMSIZE}
diff --git a/Source/HBIOS/Config/RCZ80_zrc.asm b/Source/HBIOS/Config/RCZ80_zrc.asm
index 8e9424ed..272aac78 100644
--- a/Source/HBIOS/Config/RCZ80_zrc.asm
+++ b/Source/HBIOS/Config/RCZ80_zrc.asm
@@ -34,8 +34,8 @@ CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 FPLED_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL LEDS
 FPSW_ENABLE	.SET	TRUE		; FP: ENABLES FRONT PANEL SWITCHES
 ;
-RAMSIZE		.SET	512		; SIZE OF RAM IN KB (MUST MATCH YOUR HARDWARE!!!)
-ROMSIZE		.SET	256		; SIZE OF ROM IN KB (MUST MATCH YOUR HARDWARE!!!)
+RAMSIZE		.SET	1536		; SIZE OF RAM IN KB (MUST MATCH YOUR HARDWARE!!!)
+ROMSIZE		.SET	512		; SIZE OF ROM IN KB (MUST MATCH YOUR HARDWARE!!!)
 MEMMGR		.SET	MM_ZRC		; MEMORY MANAGER: MM_[SBC|Z2|N8|Z180]
 ;
 UARTENABLE	.SET	TRUE		; UART: ENABLE 8250/16550-LIKE SERIAL DRIVER (UART.ASM)
diff --git a/Source/HBIOS/Makefile b/Source/HBIOS/Makefile
index 1eb3302d..1d4b6c64 100644
--- a/Source/HBIOS/Makefile
+++ b/Source/HBIOS/Makefile
@@ -53,6 +53,7 @@ ROMNAME=${ROM_PLATFORM}_${ROM_CONFIG}
 # $(info ROM_PLATFORM=$(ROM_PLATFORM))
 # $(info ROM_CONFIG=$(ROM_CONFIG))
 # $(info ROMSIZE=$(ROMSIZE))
+# $(info RAMSIZE=$(RAMSIZE))
 # $(info ROMNAME=$(ROMNAME))
 # $(info CPUFAM=$(CPUFAM))
 # $(info TASM=$(TASM))
@@ -81,7 +82,7 @@ $(OBJECTS) : $(ROMDEPS)
 			cat hbios_rom.bin osimg.bin osimg1.bin osimg2.bin >$(ROMNAME).upd ; \
 			cat hbios_app.bin osimg_small.bin > $(ROMNAME).com ; \
 		else \
-			cat hbios_rom.bin osimg.bin osimg1.bin osimg2.bin >$(ROMNAME).rom ; \
+			cat hbios_rom.bin osimg.bin osimg1.bin osimg2.bin ../RomDsk/ram$(RAMSIZE)_wbw.dat >$(ROMNAME).rom ; \
 			cat hbios_rom.bin osimg.bin osimg1.bin osimg2.bin >$(ROMNAME).upd ; \
 			cat hbios_app.bin osimg_small.bin > $(ROMNAME).com ; \
 		fi \
diff --git a/Source/HBIOS/Makefile.new b/Source/HBIOS/Makefile.new
new file mode 100644
index 00000000..f5e51005
--- /dev/null
+++ b/Source/HBIOS/Makefile.new
@@ -0,0 +1,153 @@
+DIST_OBJECTS := DYNO_std MK4_std N8_std RCZ180_ext RCZ180_nat RCZ180_z1rcc \
+		RCZ280_ext RCZ280_nat RCZ280_zz80mb RCZ280_zzrcc RCZ280_zzrcc_ram \
+		RCZ80_std RCZ80_kio RCZ80_easy RCZ80_tiny RCZ80_skz RCZ80_zrc \
+		RCZ80_zrc_ram RCZ80_zrc512 RPH_std SBC_std SBC_simh MBC_std \
+		DUO_std SCZ180_sc126 SCZ180_sc130 SCZ180_sc131 SCZ180_sc140 \
+		SCZ180_sc503 SCZ180_sc700 S100_std UNA_std Z80RETRO_std \
+		ZETA_std ZETA2_std HEATH_std EPITX_std
+#		RCZ80_mt RCZ80_duart MON_std 
+
+OBJECTS := $(DIST_OBJECTS)
+#OBJECTS := SBC_std S100_std
+OBJECTS := $(OBJECTS:=.rom) $(OBJECTS:=.com) $(OBJECTS:=.upd)
+OBJECTS := $(filter-out UNA_%.com UNA_%.upd,$(OBJECTS))
+
+DEST = ../../Binary
+TOOLS = ../../Tools
+OTHERS =  *.img *.rom *.com *.upd *.bin *.hex cpm.sys zsys.sys build.inc *.build.inc font*.asm *.dat hbios_env.sh
+
+FONTS := font8x11c.asm font8x11u.asm font8x16c.asm font8x16u.asm font8x8c.asm font8x8u.asm \
+	fontcgac.asm fontcgau.asm fontvgarcc.asm fontvgarcu.asm
+
+include $(TOOLS)/Makefile.inc
+
+SHELL=/bin/bash
+
+font%.asm:
+	cp ../Fonts/$@ .
+
+camel80.bin:
+	cp ../Forth/$@ .
+
+tastybasic.bin:
+	cp ../TastyBasic/src/$@ .
+
+s100mon.bin:
+	$(ZXCC) $(CPM)/SLR180 -s100mon/FH
+	$(ZXCC) $(CPM)/MLOAD25 -s100mon.bin=s100mon
+
+%.build.inc:
+	echo $@
+	cat <<-EOF >$@
+		; RomWBW Configured for $(*F) at $$(date +%Y-%m-%d)
+		;
+		#DEFINE	TIMESTAMP	"$$(date +%Y-%m-%d)"
+		#DEFINE CONFIG		"$(*F)"
+		;
+		#INCLUDE "Config/$(*F).asm"
+		;
+	EOF
+	cat $@
+
+%.usrrom.bin: usrrom.asm %.build.inc
+	cp $(*F).build.inc build.inc
+	$(TASM) $(TASMFLAGS) $< $@ $(@:.bin=.lst)
+	rm build.inc
+
+%.updater.bin: updater.asm %.build.inc
+	cp $(*F).build.inc build.inc
+	$(TASM) $(TASMFLAGS) $< $@ $(@:.bin=.lst)
+	rm build.inc
+
+%.eastaegg.bin: eastaegg.asm %.build.inc
+	cp $(*F).build.inc build.inc
+	$(TASM) $(TASMFLAGS) $< $@ $(@:.bin=.lst)
+	rm build.inc
+
+%.game.bin: game.asm %.build.inc
+	cp $(*F).build.inc build.inc
+	$(TASM) $(TASMFLAGS) $< $@ $(@:.bin=.lst)
+	rm build.inc
+
+%.nascom.bin: nascom.asm %.build.inc
+	cp $(*F).build.inc build.inc
+	$(TASM) $(TASMFLAGS) $< $@ $(@:.bin=.lst)
+	rm build.inc
+
+%.romldr.bin: romldr.asm %.build.inc
+	cp $(*F).build.inc build.inc
+	$(TASM) $(TASMFLAGS) $< $@ $(@:.bin=.lst)
+	rm build.inc
+
+%.dbgmon.bin: dbgmon.asm %.build.inc
+	cp $(*F).build.inc build.inc
+	$(TASM) $(TASMFLAGS) $< $@ $(@:.bin=.lst)
+	rm build.inc
+
+%.hbios_env.com: hbios_env.asm %.build.inc
+	cp $(*F).build.inc build.inc
+	$(TASM) $(TASMFLAGS) -dBASH $< $@ $(@:.com=.lst)
+	rm build.inc
+
+%.hbios_env.sh: %.hbios_env.com
+	$(ZXCC) $< >$@
+
+%.hbios_rom.bin: hbios.asm %.build.inc %.hbios_env.sh $(FONTS)
+	. ./$(*F).hbios_env.sh
+	TARGETS=("" "z80" "hd64180" "z280")
+	CPU=$${TARGETS[$$CPUFAM]}
+	cp $(*F).build.inc build.inc
+	$(BINDIR)/uz80as -t $$CPU -dROMBOOT $< $@ $(@:.bin=.lst)
+	srec_cat $@ -Binary -Crop 0 0x7FFF -Checksum_Negative_Big_Endian 0x7FFF 1 1 -o $@ -Binary
+	rm build.inc
+
+%.hbios_app.bin: hbios.asm %.build.inc %.hbios_env.sh $(FONTS)
+	. ./$(*F).hbios_env.sh
+	TARGETS=("" "z80" "hd64180" "z280")
+	CPU=$${TARGETS[$$CPUFAM]}
+	cp $(*F).build.inc build.inc
+	$(BINDIR)/uz80as -t $$CPU -dAPPBOOT $< $@ $(@:.bin=.lst)
+	rm build.inc
+
+%.osimg.bin: %.romldr.bin %.dbgmon.bin
+	cat $(*F).romldr.bin $(*F).dbgmon.bin ../ZSDOS/zsys_wbw.bin ../CPM22/cpm_wbw.bin >$@
+	srec_cat $@ -Binary -Crop 0 0x7FFF -Checksum_Negative_Big_Endian 0x7FFF 1 1 -o $@ -Binary
+
+UNA_%.osimg.bin: UNA_%.romldr.bin UNA_%.dbgmon.bin
+	cat UNA_$(*F).romldr.bin UNA_$(*F).dbgmon.bin ../ZSDOS/zsys_una.bin ../CPM22/cpm_una.bin >$@
+	srec_cat $@ -Binary -Crop 0 0x7FFF -Checksum_Negative_Big_Endian 0x7FFF 1 1 -o $@ -Binary
+
+%.osimg_small.bin: %.romldr.bin %.dbgmon.bin
+	cat $(*F).romldr.bin $(*F).dbgmon.bin ../ZSDOS/zsys_wbw.bin >$@
+
+%.osimg1.bin: camel80.bin %.nascom.bin tastybasic.bin %.game.bin %.eastaegg.bin netboot.mod %.updater.bin %.usrrom.bin
+	cat camel80.bin $(*F).nascom.bin tastybasic.bin $(*F).game.bin $(*F).eastaegg.bin netboot.mod $(*F).updater.bin $(*F).usrrom.bin >$@
+	srec_cat $@ -Binary -Crop 0 0x7FFF -Checksum_Negative_Big_Endian 0x7FFF 1 1 -o $@ -Binary
+
+%.imgpad2.bin: imgpad2.asm %.build.inc
+	cp $(*F).build.inc build.inc
+	$(TASM) $(TASMFLAGS) $< $@ $(@:.bin=.lst)
+	srec_cat $@ -Binary -Crop 0 0x7FFF -Checksum_Negative_Big_Endian 0x7FFF 1 1 -o $@ -Binary
+	rm build.inc
+
+S100_%.imgpad2.bin: s100mon.bin
+	cp $< $@
+	srec_cat $@ -Binary -Crop 0 0x7FFF -Checksum_Negative_Big_Endian 0x7FFF 1 1 -o $@ -Binary
+
+%.rom: %.hbios_rom.bin %.osimg.bin %.osimg1.bin %.imgpad2.bin %.hbios_env.sh
+	. ./$(*F).hbios_env.sh
+	if [ $$ROMSIZE -gt 0 ] ; then RD="rom$$ROMSIZE" ; else RD="ram$$RAMSIZE" ; fi
+	cat $(*F).hbios_rom.bin $(*F).osimg.bin $(*F).osimg1.bin $(*F).imgpad2.bin ../RomDsk/$${RD}_wbw.dat >$@
+
+UNA_%.rom: UNA_%.osimg.bin UNA_%.hbios_env.sh
+	. ./UNA_$(*F).hbios_env.sh
+	cat ../UBIOS/UNA-BIOS.BIN UNA_$(*F).osimg.bin ../UBIOS/FSFAT.BIN ../RomDsk/rom$${ROMSIZE}_una.dat >$@
+	cp UNA_$(*F).osimg.bin $(DEST)/UNA_WBW_SYS.bin
+	cp ../RomDsk/rom$${ROMSIZE}_una.dat $(DEST)/UNA_WBW_ROM$${ROMSIZE}.bin
+
+%.com: %.hbios_app.bin %.osimg_small.bin
+	cat $(*F).hbios_app.bin $(*F).osimg_small.bin >$@
+
+%.upd: %.hbios_rom.bin %.osimg.bin %.osimg1.bin %.imgpad2.bin
+	cat $(*F).hbios_rom.bin $(*F).osimg.bin $(*F).osimg1.bin $(*F).imgpad2.bin >$@
+
diff --git a/Source/HBIOS/ansi.asm b/Source/HBIOS/ansi.asm
index f9d3b922..50fbc9e6 100644
--- a/Source/HBIOS/ansi.asm
+++ b/Source/HBIOS/ansi.asm
@@ -1257,7 +1257,7 @@ ANSI_SGR_BG:
 ;
 ;
 ;......................................................................................
-; ### JLC Mod - Implement new Private Sequence to call VDAINI and Change Default Colors
+; ### JLC Mod - Implement new Private Sequence to call VDASCO and Change Default Colors
 ;
 ANSI_SSC:	; SET SCREEN COLOR (CUSTOM EXTENSION)
 	LD	A,(ANSI_PARIDX)		; GET CURRENT PARM INDEX
diff --git a/Source/HBIOS/hbios_env.asm b/Source/HBIOS/hbios_env.asm
index df792dae..6d551d03 100644
--- a/Source/HBIOS/hbios_env.asm
+++ b/Source/HBIOS/hbios_env.asm
@@ -24,12 +24,9 @@
 ;
 ; Print all desired config values...
 ;
-#if (ROMSIZE > 0)
-	prtval("ROMSIZE$", ROMSIZE)
-#else
-	prtval("ROMSIZE$", RAMSIZE)
-#endif
 	prtval("CPUFAM$", CPUFAM)
+	prtval("ROMSIZE$", ROMSIZE)
+	prtval("RAMSIZE$", RAMSIZE)
 ;
 	ret
 ;
diff --git a/Source/HBIOS/tms.asm b/Source/HBIOS/tms.asm
index f6f14686..bf0e25da 100644
--- a/Source/HBIOS/tms.asm
+++ b/Source/HBIOS/tms.asm
@@ -369,7 +369,7 @@ TMS_VDASAT:
 	RET
 
 TMS_VDASCO:
-	; ### JLC Mod - Implement Default Text Mode Colors via ANSI_VDAINI or direct HBIOS Call
+	; ### JLC Mod - Implement Default Text Mode Colors via ANSI_VDASCO or direct HBIOS Call
 	;
 	; Color setting is in reg D in ANSI Format as described in RomWBW System Guide
 	; Convert Color Format from ANSI to TMS shuffling bits arround and using
diff --git a/Source/ver.inc b/Source/ver.inc
index 2e66ec76..e9bdac40 100644
--- a/Source/ver.inc
+++ b/Source/ver.inc
@@ -2,7 +2,7 @@
 #DEFINE	RMN	4
 #DEFINE	RUP	0
 #DEFINE	RTP	0
-#DEFINE BIOSVER	"3.4.0-dev.40"
+#DEFINE BIOSVER	"3.4.0-rc.0"
 #define rmj	RMJ
 #define rmn	RMN
 #define rup	RUP
diff --git a/Source/ver.lib b/Source/ver.lib
index c81349bf..ae7e15dc 100644
--- a/Source/ver.lib
+++ b/Source/ver.lib
@@ -3,5 +3,5 @@ rmn	equ	4
 rup	equ	0
 rtp	equ	0
 biosver	macro
-	db	"3.4.0-dev.40"
+	db	"3.4.0-rc.0"
 	endm