diff --git a/Source/CBIOS/cbios.asm b/Source/CBIOS/cbios.asm
index d3e1cf27..8cbf68c1 100644
--- a/Source/CBIOS/cbios.asm
+++ b/Source/CBIOS/cbios.asm
@@ -76,6 +76,17 @@ MEMTOP		.EQU	$10000
 ;
 #IFDEF PLTUNA
 #INCLUDE "../UBIOS/ubios.inc"
+;
+; EQUATES BELOW SHOULD BE REPLACED WITH RUNTIME CALLS TO UNA GET BIOS INFO FUNCS
+;
+RAMSIZE		.EQU	512
+;
+BID_RAM0	.EQU	$8000
+BID_RAMN	.EQU	(BID_RAM0 + ((RAMSIZE / 32) - 1))
+;
+BID_RAMD0	.EQU	BID_RAM0	; FIRST RAM DRIVE BANK
+BID_BIOS	.EQU	BID_RAMN - 2	; BIOS BANK
+BID_USR		.EQU	BID_RAMN - 1	; USER BANK (CP/M TPA, ETC.)
 #ENDIF
 ;
      	.ORG	CBIOS_LOC		; DEFINED IN STD.ASM
diff --git a/Source/HBIOS/Build.ps1 b/Source/HBIOS/Build.ps1
index eab445d2..cc61b0b9 100644
--- a/Source/HBIOS/Build.ps1
+++ b/Source/HBIOS/Build.ps1
@@ -155,15 +155,14 @@ ROMSIZE		.EQU		${ROMSize}
 ;
 "@ | Out-File "build.inc" -Encoding ASCII
 
-# Bring over previously assembled binary copy of Forth for later use.
-Copy-Item '..\Forth\camel80.bin' 'camel80.bin'
+# # Bring over previously assembled binary copy of Forth for later use.
+# Copy-Item '..\Forth\camel80.bin' 'camel80.bin'
 
 # Bring over previously generated font files.
 Copy-Item '..\Fonts\font*.asm' '.'
 
 # Assemble individual components.  Note in the case of UNA, there is less to build.
-#
-$RomComponentList = "dbgmon", "romldr", "eastaegg", "nascom", "tastybasic", "game", "usrrom", "imgpad", "imgpad0"
+$RomComponentList = "dbgmon", "romldr", "eastaegg", "imgpad"
 ForEach ($RomComponentName in $RomComponentList) {Asm $RomComponentName}
 
 if ($Platform -ne "UNA")
@@ -171,6 +170,12 @@ if ($Platform -ne "UNA")
 	Asm 'hbios' '-dROMBOOT' -Output 'hbios_rom.bin' -List 'hbios_rom.lst'
 	Asm 'hbios' '-dAPPBOOT' -Output 'hbios_app.bin' -List 'hbios_app.lst'
 	Asm 'hbios' '-dIMGBOOT' -Output 'hbios_img.bin' -List 'hbios_img.lst'
+	
+	Asm 'nascom'
+	Asm 'tastybasic'
+	Asm 'game'
+	Asm 'usrrom'
+	Asm 'imgpad0'
 }
 
 #
@@ -181,7 +186,12 @@ if ($Platform -ne "UNA")
 
 # Build 32K OS chunk containing the loader, debug monitor, and OS images
 Concat 'romldr.bin', 'eastaegg.bin','dbgmon.bin', "..\cpm22\cpm_${Bios}.bin", "..\zsdos\zsys_${Bios}.bin" osimg.bin
-Concat 'camel80.bin', 'nascom.bin', 'tastybasic.bin', 'game.bin', 'imgpad0.bin', 'usrrom.bin' osimg1.bin
+
+# Build second 32K chunk containing supplemental ROM apps (not for UNA)
+if ($Platform -ne "UNA")
+{
+	Concat '..\Forth\camel80.bin', 'nascom.bin', 'tastybasic.bin', 'game.bin', 'imgpad0.bin', 'usrrom.bin' osimg1.bin
+}
 
 #
 # Now the ROM disk image is created.  This is done by starting with a
diff --git a/Source/HBIOS/Build.sh b/Source/HBIOS/Build.sh
index ee0cc6c2..32fb786f 100755
--- a/Source/HBIOS/Build.sh
+++ b/Source/HBIOS/Build.sh
@@ -90,17 +90,20 @@ done
 
 cp ../Forth/camel80.bin .
 
-make dbgmon.bin romldr.bin eastaegg.bin nascom.bin \
-	tastybasic.bin game.bin usrrom.bin imgpad.bin imgpad0.bin
+make dbgmon.bin romldr.bin eastaegg.bin imgpad.bin
 
 if [ $platform != UNA ] ; then
+	make nascom.bin tastybasic.bin game.bin usrrom.bin imgpad0.bin
 	make hbios_rom.bin hbios_app.bin hbios_img.bin
 fi
 
 echo "Building $romname output files..."
 
 cat romldr.bin eastaegg.bin dbgmon.bin ../CPM22/cpm_$BIOS.bin ../ZSDOS/zsys_$BIOS.bin >osimg.bin
-cat camel80.bin nascom.bin tastybasic.bin game.bin imgpad0.bin usrrom.bin >osimg1.bin
+
+if [ $platform != UNA ] ; then
+	cat camel80.bin nascom.bin tastybasic.bin game.bin imgpad0.bin usrrom.bin >osimg1.bin
+fi
 
 echo "Building ${romsize}KB $romname ROM disk data file..."
 
diff --git a/Source/HBIOS/Makefile b/Source/HBIOS/Makefile
index 1cb60991..fa07785f 100644
--- a/Source/HBIOS/Makefile
+++ b/Source/HBIOS/Makefile
@@ -61,6 +61,7 @@ hbios_img.bin:	hbios.asm build.inc
 romldr.bin:	build.inc
 dbgmon.bin:	build.inc
 nascom.bin:	build.inc
+eastaegg.bin:	build.inc
 
 dumps:
 	for i in $(MOREDIFF) ; do \
diff --git a/Source/HBIOS/eastaegg.asm b/Source/HBIOS/eastaegg.asm
index 23744cb5..66982bee 100644
--- a/Source/HBIOS/eastaegg.asm
+++ b/Source/HBIOS/eastaegg.asm
@@ -17,11 +17,6 @@
 ;
 #include        "std.asm"
 
-; *** HACK TO GET THIS TO BUILD UNDER UNA ***
-#IF (BIOS == BIOS_UNA)
-#INCLUDE "hbios.inc"
-#ENDIF
-
 cr				.equ	0dh
 lf				.equ	0ah
 eos				.equ	00h
@@ -33,7 +28,7 @@ scale           .equ     256                     ; Do NOT change this - the
                                                 ; this scaling factor! :-)
 divergent       .equ     scale * 4
  
-				ld		sp,0fdffh
+				ld		sp,HBX_LOC
 				ld      hl, welcome             ; Print a welcome message
 				call	_puts
  
@@ -178,16 +173,29 @@ inner_loop_end	call	_putcrlf               	; Print a CR/LF pair
 mandel_end      ld      hl, finished            ; Print finished-message
 				call	_puts
 												; GET CONSOLE INPUT STATUS VIA HBIOS
-waitch			LD		C,CIODEV_CONSOLE		; CONSOLE UNIT TO C
-				LD		B,BF_CIOIST				; HBIOS FUNC: INPUT STATUS
-				RST		08						; HBIOS RETURNS STATUS IN A
-												; RESTORE REGISTERS (AF IS OUTPUT)
-				JR		Z,waitch							
-												; Return to the loader
-				LD		A,BID_BOOT				; BOOT BANK
-				LD		HL,0				 	; ADDRESS ZERO
-				CALL	HB_BNKCALL				; DOES NOT RETURN
-				HALT
+waitch
+#IF (BIOS == BIOS_WBW)
+		LD	C,CIODEV_CONSOLE	; CONSOLE UNIT TO C
+		LD	B,BF_CIOIN		; HBIOS FUNC: INPUT CHAR
+		RST	08			; DO IT
+		
+		; RETURN TO THE LOADER
+		LD	A,BID_BOOT		; BOOT BANK
+		LD	HL,0			; ADDRESS ZERO
+		CALL	HB_BNKCALL		; DOES NOT RETURN
+		HALT
+#ENDIF
+#IF (BIOS == BIOS_UNA)
+		LD	B,0			; CONSOLE UNIT TO B
+		LD	C,BF_CIOIN		; UBIOS FUNC: INPUT CHAR
+		CALL	$FFFD			; DO IT
+		
+		; RETURN TO THE LOADER
+		LD	BC,$01FB		; UNA FUNC = SET BANK
+		LD	DE,0			; ROM BANK 0
+		CALL	$FFFD			; DO IT
+		JP	0			; JUMP TO RESTART ADDRESS
+#ENDIF
 				
 _putcrlf		ld		hl, crlf
 _puts			push	af
@@ -200,22 +208,41 @@ puts0			ld		a,(hl)
 puts1			pop		af
 				ret			
 
-_putc			PUSH	AF
-				PUSH	BC
-				PUSH	DE
-				PUSH	HL
-				LD		E,A				; OUTPUT CHAR TO E
-				LD		C,CIODEV_CONSOLE; CONSOLE UNIT TO C
-				LD		B,BF_CIOOUT		; HBIOS FUNC: OUTPUT CHAR
-				RST		08				; HBIOS OUTPUTS CHARACTDR
-				POP		HL
-				POP		DE
-				POP		BC
-				POP		AF
-				RET
+_putc
+#IF (BIOS == BIOS_WBW)
+		PUSH	AF
+		PUSH	BC
+		PUSH	DE
+		PUSH	HL
+		LD	E,A			; OUTPUT CHAR TO E
+		LD	C,CIODEV_CONSOLE	; CONSOLE UNIT TO C
+		LD	B,BF_CIOOUT		; HBIOS FUNC: OUTPUT CHAR
+		RST	08			; HBIOS OUTPUTS CHARACTDR
+		POP	HL
+		POP	DE
+		POP	BC
+		POP	AF
+		RET
+#ENDIF
+#IF (BIOS == BIOS_UNA)
+		PUSH	AF
+		PUSH	BC
+		PUSH	DE
+		PUSH	HL
+		LD	E,A			; OUTPUT CHAR TO E
+		LD	B,0			; CONSOLE UNIT TO B
+		LD	C,BF_CIOOUT		; UBIOS FUNC: OUTPUT CHAR
+		CALL	$FFFD			; UBIOS OUTPUTS CHARACTDR
+		POP	HL
+		POP	DE
+		POP	BC
+		POP	AF
+		RET
+#ENDIF
+
 
-welcome         .db    "Generating a Mandelbrot set"
-                .db    cr, lf, eos
+welcome         .db    "Generating a Mandelbrot set..."
+                .db    cr, lf, cr, lf, eos
 finished        .db    "Computation finished."
 crlf			.db	cr, lf, eos
  
diff --git a/Source/HBIOS/nascom.asm b/Source/HBIOS/nascom.asm
index 671513de..e0447606 100644
--- a/Source/HBIOS/nascom.asm
+++ b/Source/HBIOS/nascom.asm
@@ -29,11 +29,6 @@
 ;
 #INCLUDE "std.asm"
 ;
-; *** HACK TO GET THIS TO BUILD UNDER UNA ***
-#IF (BIOS == BIOS_UNA)
-#INCLUDE "hbios.inc"
-#ENDIF
-;
 ; CUSTOMIZATION
 ;
 ABBRERR	.EQU	FALSE		; Choose between long error message and abbreviated error messages.
diff --git a/Source/HBIOS/romldr.asm b/Source/HBIOS/romldr.asm
index 5b0a9420..8da83d8e 100644
--- a/Source/HBIOS/romldr.asm
+++ b/Source/HBIOS/romldr.asm
@@ -459,9 +459,10 @@ REBOOT:
 	CALL	HB_BNKCALL		; DOES NOT RETURN
 #ENDIF
 #IF (BIOS == BIOS_UNA)
-	; UMMM... NEED TO DO SOMETHING HERE...
-	LD	DE,STR_INVALID	; SET ERROR STRING MESSAGE
-	JP	MENU		; AND RESTART MENU LOOP
+	LD	BC,$01FB		; UNA FUNC = SET BANK
+	LD	DE,0			; ROM BANK 0
+	RST	08			; DO IT
+	JP	0			; JUMP TO RESTART ADDRESS
 #ENDIF
 ;
 ;==================================================================================================
diff --git a/Source/HBIOS/sd.asm b/Source/HBIOS/sd.asm
index 5cf837e8..2930fa72 100644
--- a/Source/HBIOS/sd.asm
+++ b/Source/HBIOS/sd.asm
@@ -1639,9 +1639,7 @@ SD_SELECT2:
 SD_DESELECT:
 	LD	A,(SD_OPRVAL)
 #IF (SD_DEVCNT > 1)
-;	AND	~(SD_CS0 | SD_CS1)
-SD_CS	.EQU	(SD_CS0 | SD_CS1)	; HACK TO WORK AROUND UZ80AX EXPRESSION EVAL ISSUE
-	AND	~SD_CS
+	AND	~(SD_CS0 | SD_CS1)
 #ELSE
 	AND	~SD_CS0
 #ENDIF
diff --git a/Source/HBIOS/std.asm b/Source/HBIOS/std.asm
index 7dc8aa40..89f5fcfd 100644
--- a/Source/HBIOS/std.asm
+++ b/Source/HBIOS/std.asm
@@ -320,6 +320,10 @@ FORCECON	.EQU	0	; DEFAULT IS TO FOLLOW NORMAL SEQUENCE
 #INCLUDE "hbios.inc"
 #ENDIF
 ;
+#IF (BIOS == BIOS_UNA)
+#INCLUDE "../UBIOS/ubios.inc"
+#ENDIF
+;
 ;
 ; INCLUDE Z180 REGISTER DEFINITIONS
 ;
@@ -419,7 +423,7 @@ TBC_LOC		.EQU	$0A00			; TASTYBASIC
 TBC_SIZ		.EQU	$0900
 TBC_END		.EQU	TBC_LOC + TBC_SIZ
 
-EGG_LOC		.EQU	$0A00			; EASTER EGG
+EGG_LOC		.EQU	$F000			; EASTER EGG
 EGG_SIZ		.EQU	$0200
 EGG_END		.EQU	EGG_LOC + EGG_SIZ
 
diff --git a/Source/HBIOS/tastybasic.asm b/Source/HBIOS/tastybasic.asm
index 7c907dfa..7d009815 100644
--- a/Source/HBIOS/tastybasic.asm
+++ b/Source/HBIOS/tastybasic.asm
@@ -40,10 +40,6 @@ TBC_LOC			.equ 0
 #else									; RomWBW
 #include		"std.asm"
 #endif
-; *** HACK TO GET THIS TO BUILD UNDER UNA ***
-#IF (BIOS == BIOS_UNA)
-#INCLUDE "hbios.inc"
-#ENDIF
 
 				.org TBC_LOC
 start:
diff --git a/Source/UBIOS/ubios.inc b/Source/UBIOS/ubios.inc
index 580ec42b..546c671d 100644
--- a/Source/UBIOS/ubios.inc
+++ b/Source/UBIOS/ubios.inc
@@ -11,27 +11,27 @@ BF_CIOOST	.EQU	BF_CIO + 4	; CHARACTER OUTPUT STATUS
 BF_DIO		.EQU	$40
 BF_DIOREAD	.EQU	BF_DIO + 2	; DISK READ
 BF_DIOWRITE	.EQU	BF_DIO + 3	; DISK WRITE
+;;
+;; MEMORY BANK CONFIGURATION
+;;
+;ROMSIZE		.EQU	512
+;RAMSIZE		.EQU	512
 ;
-; MEMORY BANK CONFIGURATION
+;BID_ROM0	.EQU	$0000
+;BID_ROMN	.EQU	(BID_ROM0 + ((ROMSIZE / 32) - 1))
+;BID_RAM0	.EQU	$8000
+;BID_RAMN	.EQU	(BID_RAM0 + ((RAMSIZE / 32) - 1))
 ;
-ROMSIZE		.EQU	512
-RAMSIZE		.EQU	512
-
-BID_ROM0	.EQU	$0000
-BID_ROMN	.EQU	(BID_ROM0 + ((ROMSIZE / 32) - 1))
-BID_RAM0	.EQU	$8000
-BID_RAMN	.EQU	(BID_RAM0 + ((RAMSIZE / 32) - 1))
-
-BID_BOOT	.EQU	BID_ROM0	; BOOT BANK
-BID_BIOSIMG	.EQU	BID_ROM0 + 1	; BIOS IMAGE BANK
-BID_OSIMG	.EQU	BID_ROM0 + 2	; ROM LOADER AND IMAGES BANK
-BID_FSFAT	.EQU	BID_ROM0 + 3	; FAT FILESYSTEM DRIVER BANK
-BID_ROMD0	.EQU	BID_ROM0 + 4	; FIRST ROM DRIVE BANK
-BID_ROMDN	.EQU	BID_ROMN	; LAST ROM DRIVE BANK
-
-BID_RAMD0	.EQU	BID_RAM0	; FIRST RAM DRIVE BANK
-BID_RAMDN	.EQU	BID_RAMN - 4	; LAST RAM DRIVE BANK
-BID_AUX		.EQU	BID_RAMN - 3	; AUX BANK (BPBIOS, ETC.)
-BID_BIOS	.EQU	BID_RAMN - 2	; BIOS BANK
-BID_USR		.EQU	BID_RAMN - 1	; USER BANK (CP/M TPA, ETC.)
-BID_COM		.EQU	BID_RAMN	; COMMON BANK, UPPER 32K
+;BID_BOOT	.EQU	BID_ROM0	; BOOT BANK
+;BID_BIOSIMG	.EQU	BID_ROM0 + 1	; BIOS IMAGE BANK
+;BID_OSIMG	.EQU	BID_ROM0 + 2	; ROM LOADER AND IMAGES BANK
+;BID_FSFAT	.EQU	BID_ROM0 + 3	; FAT FILESYSTEM DRIVER BANK
+;BID_ROMD0	.EQU	BID_ROM0 + 4	; FIRST ROM DRIVE BANK
+;BID_ROMDN	.EQU	BID_ROMN	; LAST ROM DRIVE BANK
+;
+;BID_RAMD0	.EQU	BID_RAM0	; FIRST RAM DRIVE BANK
+;BID_RAMDN	.EQU	BID_RAMN - 4	; LAST RAM DRIVE BANK
+;BID_AUX		.EQU	BID_RAMN - 3	; AUX BANK (BPBIOS, ETC.)
+;BID_BIOS	.EQU	BID_RAMN - 2	; BIOS BANK
+;BID_USR		.EQU	BID_RAMN - 1	; USER BANK (CP/M TPA, ETC.)
+;BID_COM		.EQU	BID_RAMN	; COMMON BANK, UPPER 32K
diff --git a/Tools/unix/cpmtools/Makefile b/Tools/unix/cpmtools/Makefile
index 8c56b657..d630b6f2 100644
--- a/Tools/unix/cpmtools/Makefile
+++ b/Tools/unix/cpmtools/Makefile
@@ -13,6 +13,9 @@ DEVICE = posix
 DISKDEFS=$(shell cd ../../cpmtools ; pwd)/diskdefs
 DEFFORMAT=wbw_fd144
 
+# Locate the ncurses libs or try a guess if pkg-config does not exist
+NCURSESLIBS=$(shell if env pkg-config --libs ncurses ; then : ; else echo -lncurses ; fi)
+
 CPPFLAGS = -DDISKDEFS=\"$(DISKDEFS)\" -DFORMAT=\"$(DEFFORMAT)\"
 
 DEVICEOBJ =	device_posix.o 
@@ -44,7 +47,7 @@ fsck.cpm: fsck.cpm.o cpmfs.o getopt.o getopt1.o $(DEVICEOBJ)
 	$(CC) $(LDFLAGS) -o $@ fsck.cpm.o cpmfs.o getopt.o getopt1.o $(DEVICEOBJ)
 
 fsed.cpm: fsed.cpm.o cpmfs.o getopt.o getopt1.o $(DEVICEOBJ)
-	$(CC) $(LDFLAGS) -o $@ fsed.cpm.o cpmfs.o getopt.o getopt1.o $(DEVICEOBJ) -lncurses
+	$(CC) $(LDFLAGS) -o $@ fsed.cpm.o cpmfs.o getopt.o getopt1.o $(DEVICEOBJ) $(NCURSESLIBS)
 
 $(DEST):
 	mkdir -p $(DEST)