diff --git a/Source/HBIOS/hbios.asm b/Source/HBIOS/hbios.asm
index 79020f5d..69a0989d 100644
--- a/Source/HBIOS/hbios.asm
+++ b/Source/HBIOS/hbios.asm
@@ -1357,25 +1357,8 @@ HB_SPDTST:
 	PRTX(STR_PLATFORM)
 ;
 	LD	A,(HB_CPUTYPE)		; GET CPU TYPE
-	OR	A			; SET FLAGS
-	LD	DE,HB_STRZ80		; Z80
-	JR	Z,HB_PCPU		; IF Z80, PRINT IT
-	DEC	A			; NEXT CPU TYPE
-	LD	DE,HB_STRZ180		; Z80180
-	JR	Z,HB_PCPU		; IF Z80180, PRINT IT
-	DEC	A			; NEXT CPU TYPE
-	LD	DE,HB_STRZS180K		; Z8S180 REV K
-	JR	Z,HB_PCPU		; IF Z8S180-K, PRINT IT
-	LD	DE,HB_STRZS180N		; Z8S180 REV N
-	JR	HB_PCPU			; PRINT Z8S180-N
-;
-HB_STRZ80	.TEXT	" Z80$"
-HB_STRZ180	.TEXT	" Z80180$"
-HB_STRZS180K	.TEXT	" Z8S180-K$"
-HB_STRZS180N	.TEXT	" Z8S180-N$"
-;
-HB_PCPU:
-	CALL	WRITESTR		; PRINT IT
+	LD	DE,HB_CPU_STR		; DISPLAY IT
+	CALL	PRTIDXDEA
 ;
 	PRTS(" @ $")
 	LD	HL,(CB_CPUKHZ)
@@ -3016,7 +2999,6 @@ PRTD3M2:
 	CALL	COUT
 PRTD3M3:
 	RET
-;
 ;==================================================================================================
 ; DISPLAY SUMMARY OF ATTACHED UNITS/DEVICES
 ;==================================================================================================
@@ -3026,58 +3008,38 @@ PRTSUM:
 	LD	DE,PS_STRHDR		; POINT TO HEADER
 	CALL	WRITESTR		; PRINT IT
 ;
-	; PRINT DISK DEVICES
-	LD	B,BF_SYSGET		; FUNC: SYSTEM INFO GET
-	LD	C,BF_SYSGET_DIOCNT	; SUBFUNC: DISK UNIT COUNT
-	RST	08			; E := DISK UNIT COUNT
-	LD	B,E			; MOVE TO B FOR LOOP COUNT
-	LD	A,E			; MOVE TO ACCUM
-	OR	A			; SET FLAGS
-	JR	Z,PRTSUM1A		; IF NONE, BYPASS
-	LD	C,0			; C WILL BE UNIT INDEX
-PRTSUM1:
-	PUSH	BC			; SAVE LOOP CONTROL
-	CALL	PS_DISK			; PRINT DISK INFO
-	POP	BC			; RESTORE LOOP CONTROL
-	INC	C			; BUMP DISK UNIT INDEX
-	DJNZ	PRTSUM1			; LOOP THRU ALL DISK DEVICES
+	LD	C,BF_SYSGET_CIOCNT	; CHARACTER DEVICES
+	LD	HL,PS_SERIAL
+	CALL	PRT_ALLD
 ;
-PRTSUM1A:
-	; PRINT SERIAL DEVICES
-	LD	B,BF_SYSGET		; FUNC: SYSTEM INFO GET
-	LD	C,BF_SYSGET_CIOCNT	; SUBFUNC: SERIAL UNIT COUNT
-	RST	08			; E := SERIAL UNIT COUNT
-	LD	B,E			; MOVE TO B FOR LOOP COUNT
-	LD	A,E			; MOVE TO ACCUM
-	OR	A			; SET FLAGS
-	JR	Z,PRTSUM2A		; IF NONE, BYPASS
-	LD	C,0			; C WILL BE UNIT INDEX
-PRTSUM2:
-	PUSH	BC			; SAVE LOOP CONTROL
-	CALL	PS_SERIAL		; PRINT SERIAL INFO
-	POP	BC			; RESTORE LOOP CONTROL
-	INC	C			; BUMP SERIAL UNIT INDEX
-	DJNZ	PRTSUM2			; LOOP THRU ALL SERIAL DEVICES
+	LD	C,BF_SYSGET_DIOCNT	; DISK DRIVES
+	LD	HL,PS_DISK
+	CALL	PRT_ALLD
+
+	LD	C,BF_SYSGET_VDACNT	; VIDEO DEVICES
+	LD	HL,PS_VIDEO
+	CALL	PRT_ALLD
+	RET
 ;
-PRTSUM2A:
-	; PRINT VIDEO DEVICES
+PRT_ALLD:
 	LD	B,BF_SYSGET		; FUNC: SYSTEM INFO GET
-	LD	C,BF_SYSGET_VDACNT	; SUBFUNC: VIDEO UNIT COUNT
-	RST	08			; E := SERIAL UNIT COUNT
+	RST	08			; E := UNIT COUNT
 	LD	B,E			; MOVE TO B FOR LOOP COUNT
 	LD	A,E			; MOVE TO ACCUM
 	OR	A			; SET FLAGS
-	JR	Z,PRTSUM3A		; IF NONE, BYPASS
+	JR	Z,PRT_ALLD1		; IF NONE, BYPASS
 	LD	C,0			; C WILL BE UNIT INDEX
-PRTSUM3:
+PRT_ALLD1:
 	PUSH	BC			; SAVE LOOP CONTROL
-	CALL	PS_VIDEO		; PRINT VIDEO INFO
+	PUSH	DE
+	PUSH	HL
+	CALL	JPHL			; CALL THE ROUTINE PASSED IN HL
+	POP	HL
+	POP	DE
 	POP	BC			; RESTORE LOOP CONTROL
-	INC	C			; BUMP VIDEO UNIT INDEX
-	DJNZ	PRTSUM3			; LOOP THRU ALL VIDEO DEVICES
-;
-PRTSUM3A:
-	RET				; DONE
+	INC	C			; BUMP UNIT INDEX
+	DJNZ	PRT_ALLD1		; LOOP THRU ALL DEVICES
+	RET
 ;
 ; PRINT ONE LINE DISK UNIT/DEVICE INFO, DISK UNIT INDEX IN C
 ;
@@ -3177,51 +3139,19 @@ PS_PRTDC1:
 ;
 PS_PRTDC2:
 	LD	C,E			; ATTRIBUTE TO C FOR SAFE KEEPING
-	; PRINT FLOPPY TYPE
-	LD	A,C			; ATTRIBUTE TO ACCUM
-	RLCA				; ISOLATE FORM FACTOR BITS
-	RLCA
-	RLCA
-	AND	$03
-	LD	DE,PS_FLP8		; ASSUME 8"
-	CP	0
-	JR	Z,PS_PRTDC2A
-	LD	DE,PS_FLP5		; ASSUME 5.25"
-	CP	1
-	JR	Z,PS_PRTDC2A
-	LD	DE,PS_FLP3		; ASSUME 3.5"
-	CP	2
-	JR	Z,PS_PRTDC2A
-	LD	DE,PS_FLPN		; ASSUME OTHER"
-PS_PRTDC2A:
-	CALL	WRITESTR
-	; PRINT FLOPPY SIDES
-	LD	A,C			; ATTRIBUTE TO ACCUM
-	LD	DE,PS_FLPSS		; ASSUME SINGLE SIDED
-	BIT	4,A			; DS?
-	JR	Z,PS_PRTDC2B
-	LD	DE,PS_FLPDS		; DOUBLE SIDED
-PS_PRTDC2B:
-	CALL	WRITESTR
-	; PRINT FLOPPY DENSITY
-	LD	A,C			; ATTRIBUTE TO ACCUM
-	RRCA				; ISOLATE DENSITY BITS
-	RRCA
-	AND	$03
-	LD	DE,PS_FLPSD		; SINGLE DENSITY
-	CP	0
-	JR	Z,PS_PRTDC2C
-	LD	DE,PS_FLPDD		; DOUBLE DENSITY
-	CP	1
-	JR	Z,PS_PRTDC2C
-	LD	DE,PS_FLPHD		; HIGH DENSITY
-	CP	2
-	JR	Z,PS_PRTDC2C
-	LD	DE,PS_FLPED		; EXTENDED DENSITY
-	CP	3
-	JR	Z,PS_PRTDC2C
-PS_PRTDC2C:
-	CALL	WRITESTR
+;
+	LD	A,01100000B		; DISPLAY FORM FACTOR
+	LD	DE,PS_FLP_FSTR		; WHICH IS DEFINED IN
+	CALL	PRTIDXMSK		; BITS 5 AND 6.
+;
+	LD	A,00010000B		; DISPLAY SIDES
+	LD	DE,PS_FLP_SSTR		; WHICH IS DEFINED
+	CALL	PRTIDXMSK		; IN BIT 4
+;
+	LD	A,00001100B		; DISPLAY DENSITY
+	LD	DE,PS_FLP_DSTR		; WHICH IS DEFINED IN
+	CALL	PRTIDXMSK		; BITS 2 AND 3.
+;
 	CALL	PC_COMMA
 	PRTS("CHS$")			; FOR NOW, WE ASSUME HARD DISK DOES LBA
 ;
@@ -3348,32 +3278,12 @@ PSPRTPC0:
 	JP	Z,PS_PRTNUL		; $FF == NO CONFIG DEFINED
 ;
 PS_PRTPC0:
-	LD	A,E
-	RLCA
-	RLCA
-	AND	00000011B
-	JR	NZ,PSPRTPC1
-	PRTS("Output$")
-	RET
-PSPRTPC1:
-	DEC	A
-	JR	NZ,PSPRTPC2
-	PRTS("Input$")
-	RET
-PSPRTPC2:
-	DEC	A
-	JR	NZ,PSPRTPC3
-	PRTS("Bidirectional$")
-	RET
-PSPRTPC3:
-	DEC	A
-	JR	NZ,PSPRTPC4
-	PRTS("BitCtrl$")
-	RET
-PSPRTPC4:
-	PRTS("Undefined$")
-	RET
-
+	LD	C,E			; DISPLAY PIO TYPE
+	LD	A,11000000B		; WHICH IS DEFINE BY
+	LD	DE,PIO_MODE_STR		; BITS 6 AND 7
+	JP	PRTIDXMSK
+;	RET				; TRICK RETURN
+;
 PS_PRTSC1:
 	; PRINT TERMINAL CONFIG
 	LD	A,C			; GET ATTRIBUTE VALUE
@@ -3503,7 +3413,10 @@ PS_PAD1:
 	DJNZ	PS_PAD1
 	RET
 ;
-;
+HB_CPU_STR:	.TEXT	" Z80$"		; HB_STRZ80
+		.TEXT	" Z80180$"	; HB_STRZ180
+		.TEXT	" Z8S180-K$"	; HB_STRZS180K
+		.TEXT	" Z8S180-N$"	; HB_STRZS180N
 ;
 PS_STRNUL	.TEXT	"--$"		; DISPLAY STRING FOR NUL VALUE
 ;
@@ -3542,20 +3455,20 @@ PS_DTOTHER	.TEXT	"???$"
 ;
 ; FLOPPY ATTRIBUTE STRINGS
 ;
-PS_FLP8		.TEXT	"8\",$"
-PS_FLP5		.TEXT	"5.25\",$"
-PS_FLP3		.TEXT	"3.5\",$"
-PS_FLPN		.TEXT	"???\",$"
+PS_FLP_FSTR:	.TEXT	"8\",$"		; PS_FLP8
+		.TEXT	"5.25\",$"	; PS_FLP5
+		.TEXT	"3.5\",$"	; PS_FLP3
+		.TEXT	"???\",$"	; PS_FLPN
 ;
-PS_FLPSS	.TEXT	"SS/$"
-PS_FLPDS	.TEXT	"DS/$"
+PS_FLP_SSTR:	.TEXT	"SS/$"		; PS_FLPSS
+		.TEXT	"DS/$"		; PS_FLPDS
 ;
-PS_FLPSD	.TEXT	"SD$"
-PS_FLPDD	.TEXT	"DD$"
-PS_FLPHD	.TEXT	"HD$"
-PS_FLPED	.TEXT	"ED$"
+PS_FLP_DSTR: 	.TEXT	"SD$"		; PS_FLPSD
+		.TEXT	"DD$"		; PS_FLPDD
+		.TEXT	"HD$"		; PS_FLPHD
+		.TEXT	"ED$"		; PS_FLPED
 ;
-; SERIAL DEVICE STRINGS
+; CHARACTER DEVICE STRINGS
 ;
 PS_SDSTRREF:
 	.DW	PS_SDUART, PS_SDASCI, PS_SDTERM,
@@ -3571,17 +3484,20 @@ PS_SDACIA	.TEXT	"ACIA$"
 PS_SDPIO	.TEXT	"PORT$"
 PS_SDUF		.TEXT	"UF$"
 ;
-; SERIAL TYPE STRINGS
+; CHARACTER SUB TYPE STRINGS
 ;
 PS_STRS232	.TEXT	"RS-232$"
 PS_STTERM	.TEXT	"Terminal$"
 PS_STPPT	.TEXT	"Parallel$"
 ;
 PS_STPARMAP	.DB	"NONENMNS"
-
 ;
-; SERIAL TYPE STRINGS
+; PARALLEL TYPE STRINGS
 ;
+PIO_MODE_STR:	.TEXT	"Output$"
+		.TEXT	"Input$"
+		.TEXT	"Bidirectional$"
+		.TEXT	"BitCtrl$"
 ;
 ; VIDEO DEVICE STRINGS
 ;
@@ -3598,10 +3514,6 @@ PS_VDVGA	.TEXT	"VGA$"
 ;
 PS_VTCRT	.TEXT	"CRT$"
 ;
-; VIDEO CONFIG STRINGS
-;
-;
-;
 ;			 0	   1	     2	       3	 4	   5	     6	       7
 ;			 01234567890123456789012345678901234567890123456789012345678901234567890123456789
 PS_STRHDR	.TEXT	"Unit        Device      Type              Capacity/Mode\r\n"
diff --git a/Source/HBIOS/pio.asm b/Source/HBIOS/pio.asm
index 9baf014d..349858a2 100644
--- a/Source/HBIOS/pio.asm
+++ b/Source/HBIOS/pio.asm
@@ -24,8 +24,8 @@
 ; would be required to support this configuration. As the HBIOS only has an allocation of
 ; 16, a full implmentation is impractical.
 ;
-; The compromise solution is to allow 4 interrupts for the PIO driver.; All remaining PIO's
-; are limited to Bit mode or blind read and writed to the input/output ports.
+; The compromise solution is to allow 4 interrupts for the PIO driver. All remaining PIO's
+; are limited to Bit mode or blind read and write to the input/output ports.
 ;
 ; Zilog PIO reset state:
 ;
@@ -130,7 +130,7 @@ PIO_PREINIT0:
 ;	PUSH	HL			; SAVE IT
 ;	POP	IY			; ... TO IY
 
-	CALL	IDXCFG
+	CALL	IDXCFG			
 
 	LD	(HL),C
 
@@ -215,8 +215,12 @@ SKPINIT:DJNZ	PIO_PREINIT0		; LOOP UNTIL DONE
 	XOR	A			; SIGNAL SUCCESS
 	RET				; AND RETURN
 ;
-; X24
+; INDEX INTO THE CONFIG TABLE
+; ON ENTRY C = UNIT NUMBER
+; ON EXIT IY = CONFIG DATA POINTER
+; ON EXIT DE = CONFIG TABLE START
 ;
+; EACH CONFIG TABLE IS 24 BYTES LONG
 ;
 CFG_SIZ		.EQU	24
 ;
@@ -778,14 +782,9 @@ PIO_PRTCFG:
 	; PRINT THE PIO TYPE
 	CALL	PC_SPACE		; FORMATTING
 	LD	A,(IY+1)		; GET PIO TYPE BYTE
-	RLCA				; MAKE IT A WORD OFFSET
-	LD	HL,PIO_TYPE_MAP		; POINT HL TO TYPE MAP TABLE
-	CALL	ADDHLA			; HL := ENTRY
-	LD	E,(HL)			; DEREFERENCE
-	INC	HL			; ...
-	LD	D,(HL)			; ... TO GET STRING POINTER
-	CALL	WRITESTR		; PRINT IT
-;
+	LD	DE,PIO_TYPE_STR		; POINT HL TO TYPE MAP TABLE
+	CALL	PRTIDXDEA
+
 	; ALL DONE IF NO PIO WAS DETECTED
 	LD	A,(IY+1)		; GET PIO TYPE BYTE
 	OR	A			; SET FLAGS
@@ -812,16 +811,11 @@ PIO_DEV		.DB	0		; DEVICE NUM USED DURING INIT
 ;	
 ; DESCRIPTION OF DIFFERENT PORT TYPES
 ;
-PIO_TYPE_MAP:
-		.DW	PIO_STR_NONE
-		.DW	PIO_STR_PIO
-		.DW 	PIO_STR_8255
-		.DW	PIO_STR_PORT
-
-PIO_STR_NONE	.DB	"<NOT PRESENT>$"
-PIO_STR_PIO	.DB	"Zilog PIO$"
-PIO_STR_8255	.DB 	"i8255 PPI$"
-PIO_STR_PORT	.DB	"IO Port$"
+PIO_TYPE_STR:
+		.TEXT	"<NOT PRESENT>$"	; IDX 0
+		.TEXT	"Zilog PIO$"		; IDX 1
+		.TEXT	"i8255 PPI$"		; IDX 2
+		.TEXT	"IO Port$"		; IDX 3
 ;
 ; Z80 PIO PORT TABLE - EACH ENTRY IS FOR 1 CHIP I.E. TWO PORTS
 ;
@@ -974,6 +968,7 @@ PIO_INIT1:
 ;	POP	AF
 ;	CALL	ADDHLA			; HL := ENTRY ADDRESS
 ;	PUSH	HL			; COPY CFG DATA PTR
+;	POP	IY			; ... TO IY
 ;	POP	IY			; ... TO IY
 
 	CALL	IDXCFG
diff --git a/Source/HBIOS/uf.asm b/Source/HBIOS/uf.asm
index d19f3925..4b13ecab 100644
--- a/Source/HBIOS/uf.asm
+++ b/Source/HBIOS/uf.asm
@@ -56,15 +56,15 @@ UF_INITUNIT:
 ;
 UF_INIT:
 	CALL	NEWLINE			; PRINT DEVICE
-	PRTS("USB-FIFO: $")
-	PRTS("IO=0x$")
+	CALL	PRTSTRD
+	.TEXT	"USB-FIFO: IO=0x$")
 	LD	A,UFBASE		; PRINT PORT
 	CALL	PRTHEXBYTE
 	LD	A,(UF_USB_ACTIVE)	; PRINT CONNECTION STATUS
 	OR	A			; REQUIRES TERMINAL PROGRAM
 	RET	NZ			; TO HAVE INITIALIZED PORT
-	PRTS(" No $")			; ON PC SIDE.
-	PRTS("connection$")
+	CALL	PRTSTRD			; ON PC SIDE.
+	.TEXT	"No connection$"
 	RET
 ;
 ; INPUT A CHARACTER AND RETURN IT IN E
@@ -119,7 +119,7 @@ UF_INITDEV:
 	INC	A			; ... SO Z SET IF -1
 	JR	NZ,UF_INITDEV1		; IF DE == -1, REINIT CURRENT CONFIG
 ;
-	; GET CURRENT PSW. WE ALWAYS RESAVE AT END
+	; GET CURRENT SPW. WE ALWAYS RESAVE AT END
 	LD	E,(IY+0)		; LOW BYTE
 	LD	D,(IY+1)		; HIGH BYTE	
 ;
diff --git a/Source/HBIOS/util.asm b/Source/HBIOS/util.asm
index ad14ef6e..d4bd7f49 100644
--- a/Source/HBIOS/util.asm
+++ b/Source/HBIOS/util.asm
@@ -295,7 +295,56 @@ DB_CONTD:
 	JP	DB_BLKRD		;
 
 DB_END:
-	RET				;
+	RET	
+;
+; PRINT THE nTH STRING IN A LIST OF STRINGS WHERE EACH IS TERMINATED BY $
+; C REGISTER CONTAINS THE INDEX TO THE STRING TO BE DISPLAYED.
+; A REGISTER CONTAINS A MASK TO BE APPLIED TO THE INDEX
+; THE INDEX IS NORMALIZED TO A RANGE 0..N USING THE MASK AND THEN THE nTH
+; STRING IS PRINTED IN A LIST DEFINED BY DE
+;
+; C = ATTRIBUTE
+; A = MASK
+; DE = STRING LIST
+;
+PRTIDXMSK:
+	PUSH	BC
+PRTIDXMSK0:
+	BIT	0,A
+	JR	NZ,PRTIDXMSK1
+	SRL	A
+	SRL	C
+	JR	PRTIDXMSK0
+PRTIDXMSK1:
+	LD	B,A
+	LD	A,C
+	AND	B
+	POP	BC
+;
+; PRINT THE nTH STRING IN A LIST OF STRINGS WHERE EACH IS TERMINATED BY $
+; A REGISTER DEFINES THE nTH STRING IN THE LIST TO PRINT AND DE POINTS 
+; TO THE START OF THE STRING LIST.
+;
+; SLOW BUT IMPROVES CODE SIZE, READABILITY AND ELIMINATES THE NEED HAVE
+; LIST OF POINTERS OR A LIST OF CONDITIONAL CHECKS.
+;
+PRTIDXDEA:
+	PUSH	BC
+	LD	C,A			; INDEX COUNT
+	OR	A
+PRTIDXDEA1:
+	JR	Z,PRTIDXDEA3
+PRTIDXDEA2:
+	LD	A,(DE)			; LOOP UNIT
+	INC	DE			; WE REACH
+	CP	'$'			; END OF STRING
+	JR	NZ,PRTIDXDEA2
+	DEC	C			; AT STRING END. SO GO
+	JR	PRTIDXDEA1		; CHECK FOR INDEX MATCH
+PRTIDXDEA3:
+	POP	BC
+;	CALL	WRITESTR		; FALL THROUGH TO WRITESTR
+;	RET
 ;
 ; OUTPUT A '$' TERMINATED STRING AT DE
 ;