diff --git a/Doc/ChangeLog.txt b/Doc/ChangeLog.txt
index 73ae598f..4b6ce210 100644
--- a/Doc/ChangeLog.txt
+++ b/Doc/ChangeLog.txt
@@ -5,6 +5,9 @@ Version 2.9.1
 - WBW: Updated Win32DiskImager to v1.0
 - WBW: Implemented character attributes on Propeller based consoles
 - M?S: Added support for BEL function in Propeller based consoles
+- WBW: Support additional escape sequences in Propeller console ANSI emulation
+- WBW: Map LPT: to second serial port, UL1: to third serial port
+- WBW: Update default IOBYTE so that LST:=LPT: by default
 
 Version 2.9.0
 -------------
diff --git a/ReadMe.txt b/ReadMe.txt
index 562dfb90..c55ab4ce 100644
--- a/ReadMe.txt
+++ b/ReadMe.txt
@@ -7,7 +7,7 @@
 ***********************************************************************
 
 Wayne Warthen (wwarthen@gmail.com)
-Version 2.9.1-pre.1, 2018-04-19
+Version 2.9.1-pre.2, 2018-05-01
 https://www.retrobrewcomputers.org/
 
 RomWBW is a ROM-based implementation of CP/M-80 2.2 and Z-System for 
diff --git a/Source/CBIOS/cbios.asm b/Source/CBIOS/cbios.asm
index dbebf188..232a7649 100644
--- a/Source/CBIOS/cbios.asm
+++ b/Source/CBIOS/cbios.asm
@@ -35,6 +35,16 @@ CLR_ALWAYS	.EQU	2		; ALWAYS CLEAR RAM DISK
 DOP_READ	.EQU	0		; READ OPERATION
 DOP_WRITE	.EQU	1		; WRITE OPERATION
 ;
+; DEFAULT IOBYTE VALUE:
+;   CON:=TTY:	------00
+;   RDR:=PTR:	----01--
+;   PUN:=PTP:	--01----
+;   LST:=LPT:	10------
+;		========
+;		10010100
+;
+DEF_IOBYTE	.EQU	%10010100	; DEFAULT IOBYTE VALUE
+;
 ; SPECIAL CHARACTER DEVICES IMPLEMENTED INTERNALLY
 ;
 DEV_BAT		.EQU	$FE		; BAT:
@@ -199,22 +209,23 @@ LD_UL1	.EQU	CIODEV_CONSOLE	; -> LPT1:
 ;
 DEVMAP:
 ;
-	; CONSOLE
+	; CONSOLE (CON:)
 	.DB	LD_TTY			; CON:=TTY: (IOBYTE XXXXXX00)
 	.DB	LD_CRT			; CON:=CRT: (IOBYTE XXXXXX01)
 	.DB	LD_BAT			; CON:=BAT: (IOBYTE XXXXXX10)
 	.DB	LD_UC1			; CON:=UC1: (IOBYTE XXXXXX11)
-	; READER
+	; READER (RDR:)
 	.DB	LD_TTY			; RDR:=TTY: (IOBYTE XXXX00XX)
 	.DB	LD_PTR			; RDR:=PTR: (IOBYTE XXXX01XX)
 	.DB	LD_UR1			; RDR:=UR1: (IOBYTE XXXX10XX)
 	.DB	LD_UR2			; RDR:=UR2: (IOBYTE XXXX11XX)
-	; PUNCH
+	; PUNCH (PUN:)
 	.DB	LD_TTY			; PUN:=TTY: (IOBYTE XX00XXXX)
 	.DB	LD_PTP			; PUN:=PTP: (IOBYTE XX01XXXX)
+	.DB	LD_PTP			; PUN:=PTP: (IOBYTE XX01XXXX)
 	.DB	LD_UP1			; PUN:=UP1: (IOBYTE XX10XXXX)
 	.DB	LD_UP2			; PUN:=UP2: (IOBYTE XX11XXXX)
-	; LIST
+	; LIST (LST:)
 	.DB	LD_TTY			; LST:=TTY: (IOBYTE 00XXXXXX)
 	.DB	LD_CRT			; LST:=CRT: (IOBYTE 01XXXXXX)
 	.DB	LD_LPT			; LST:=LPT: (IOBYTE 10XXXXXX)
@@ -1871,7 +1882,7 @@ INIT:
 #ENDIF
 
 	; PARAMETER INITIALIZATION
-	XOR	A			; LOAD DEFAULT IOBYTE
+	LD	A,DEF_IOBYTE		; LOAD DEFAULT IOBYTE
 	LD	(IOBYTE),A		; STORE IT
 
 	; INIT DEFAULT DRIVE TO A: FOR NOW
@@ -2060,32 +2071,34 @@ DEV_INIT0:
 ;
 DEV_INIT1:
 	; PATCH IN COM0: DEVICE ENTRIES
-	LD	(DEVMAP + 0),A		; CONSOLE TTY
-	LD	(DEVMAP + 4),A		; READER TTY
-	LD	(DEVMAP + 8),A		; PUNCH TTY
-	LD	(DEVMAP + 12),A		; LIST TTY
+	LD	(DEVMAP + 0),A		; TTY: @ CON:
+	LD	(DEVMAP + 4),A		; TTY: @ RDR:
+	LD	(DEVMAP + 8),A		; TTY: @ PUN:
+	LD	(DEVMAP + 12),A		; TTY: @ LST:
 	LD	HL,DEV_INIT2		; HL := CODE FOR NEXT DEVICE
 	RET
 ;
 DEV_INIT2:
 	; PATCH IN COM1: DEVICE ENTRIES
-	LD	(DEVMAP + 3),A		; CONSOLE UC1
-	LD	(DEVMAP + 5),A		; READER PTR
-	LD	(DEVMAP + 9),A		; PUNCH PTP
+	LD	(DEVMAP + 3),A		; UC1: @ CON:
+	LD	(DEVMAP + 5),A		; PTR: @ RDR:
+	LD	(DEVMAP + 9),A		; PTP: @ PUN:
+	LD	(DEVMAP + 14),A		; LPT: @ LST:
 	LD	HL,DEV_INIT3		; HL := CODE FOR NEXT DEVICE
 	RET
 ;
 DEV_INIT3:
 	; PATCH IN COM2: DEVICE ENTRIES
-	LD	(DEVMAP + 6),A		; READER UR1
-	LD	(DEVMAP + 10),A		; PUNCH PT1
+	LD	(DEVMAP + 6),A		; UR1: @ RDR:
+	LD	(DEVMAP + 10),A		; UP1: @ PUN:
+	LD	(DEVMAP + 15),A		; UL1: @ LST:
 	LD	HL,DEV_INIT4		; HL := CODE FOR NEXT DEVICE
 	RET
 ;
 DEV_INIT4:
 	; PATCH IN COM3: DEVICE ENTRIES
-	LD	(DEVMAP + 7),A		; READER UR2
-	LD	(DEVMAP + 11),A		; PUNCH PT2
+	LD	(DEVMAP + 7),A		; UR2: @ RDR:
+	LD	(DEVMAP + 11),A		; UP2: @ PUN:
 	LD	HL,DEV_INIT5		; HL := CODE FOR NEXT DEVICE
 	RET
 ;
diff --git a/Source/CBIOS/ver.inc b/Source/CBIOS/ver.inc
index 423471dc..61757cc5 100644
--- a/Source/CBIOS/ver.inc
+++ b/Source/CBIOS/ver.inc
@@ -2,4 +2,4 @@
 #DEFINE	RMN	9
 #DEFINE	RUP	1
 #DEFINE	RTP	0
-#DEFINE BIOSVER	"2.9.1-pre.1"
+#DEFINE BIOSVER	"2.9.1-pre.2"
diff --git a/Source/HBIOS/ver.inc b/Source/HBIOS/ver.inc
index 423471dc..61757cc5 100644
--- a/Source/HBIOS/ver.inc
+++ b/Source/HBIOS/ver.inc
@@ -2,4 +2,4 @@
 #DEFINE	RMN	9
 #DEFINE	RUP	1
 #DEFINE	RTP	0
-#DEFINE BIOSVER	"2.9.1-pre.1"
+#DEFINE BIOSVER	"2.9.1-pre.2"
diff --git a/Source/Prop/Spin/AnsiTerm.spin b/Source/Prop/Spin/AnsiTerm.spin
index 3f229ff2..5799c987 100644
--- a/Source/Prop/Spin/AnsiTerm.spin
+++ b/Source/Prop/Spin/AnsiTerm.spin
@@ -199,6 +199,18 @@ PRI setMode(n)
     blink := 1
   elseif (n == 7)
     reverse := 1
+  
+  elseif (n == 21)
+    bold := 0
+  elseif (n == 22)
+    bold := 0
+  elseif (n == 24)
+    underscore := 0
+  elseif (n == 25)
+    blink := 0
+  elseif (n == 27)
+    reverse := 0
+    
   elseif ((n => 30) & (n =< 37))
     fg := cmap[(n - 30)]
   elseif ((n => 40) & (n =< 47))