diff --git a/Source/Apps/Test/rzsz/rz.asm b/Source/Apps/Test/rzsz/rz.asm
index 31eb5241..02f332cb 100644
--- a/Source/Apps/Test/rzsz/rz.asm
+++ b/Source/Apps/Test/rzsz/rz.asm
@@ -1154,7 +1154,7 @@ loc_0_7ED:	PUSH	AF
 word_0_7F0:	.EQU	$+2
 		LD	IY,289DH
 		LD	IX,2899H
-		XOR	(IX)	
+		XOR	(IX+0)	
 		LD	H,0	
 		LD	L,A	
 		ADD	HL,HL	
diff --git a/Source/HBIOS/Config/RCZ80_std.asm b/Source/HBIOS/Config/RCZ80_std.asm
index bca27ade..812942da 100644
--- a/Source/HBIOS/Config/RCZ80_std.asm
+++ b/Source/HBIOS/Config/RCZ80_std.asm
@@ -37,6 +37,7 @@ SIOENABLE	.SET	TRUE		; SIO: ENABLE ZILOG SIO SERIAL DRIVER (SIO.ASM)
 TMSENABLE	.SET	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
 TMSTIMENABLE	.SET	FALSE		; TMS: ENABLE TIMER INTERRUPTS (REQUIRES IM1)
 TMSMODE         .SET    TMSMODE_RCV9958	; TMS: DRIVER MODE: TMSMODE_[RC/RCV9958]
+MKYENABLE	.SET	FALSE		; MSX 5255 PPI KEYBOARD COMPATIBLE DRIVER (REQUIRES TMS VDA DRIVER)
 ;
 AY38910ENABLE	.SET	TRUE		; AY: AY-3-8910 / YM2149 SOUND DRIVER
 ;
@@ -50,5 +51,3 @@ PPIDEENABLE	.SET	TRUE		; PPIDE: ENABLE PARALLEL PORT IDE DISK DRIVER (PPIDE.ASM)
 PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
 ;
 RP5RTCENABLE	.SET	FALSE		; RP5C01 RTC BASED CLOCK (RP5RTC.ASM)
-;
-MKYENABLE	.SET	FALSE		; MSX 5255 PPI KEYBOARD COMPATIBLE DRIVER (REQUIRES TMS VDA DRIVER)
diff --git a/Source/HBIOS/Config/SBC_simh.asm b/Source/HBIOS/Config/SBC_simh.asm
index fa3e8cdd..1daa6fd6 100644
--- a/Source/HBIOS/Config/SBC_simh.asm
+++ b/Source/HBIOS/Config/SBC_simh.asm
@@ -36,3 +36,5 @@ SIMRTCENABLE	.SET	TRUE		; ENABLE SIMH CLOCK DRIVER (SIMRTC.ASM)
 DSRTCENABLE	.SET	FALSE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 ;
 HDSKENABLE	.SET	TRUE		; HDSK: ENABLE SIMH HDSK DISK DRIVER (HDSK.ASM)
+;
+UARTSBCFORCE	.SET	TRUE		; UART: FORCE DETECTION OF SBC UART (FOR SIMH)
diff --git a/Source/HBIOS/cfg_dyno.asm b/Source/HBIOS/cfg_dyno.asm
index 5fea23d9..f2c034cc 100644
--- a/Source/HBIOS/cfg_dyno.asm
+++ b/Source/HBIOS/cfg_dyno.asm
@@ -116,6 +116,7 @@ VDUENABLE	.EQU	FALSE		; VDU: ENABLE VDU VIDEO/KBD DRIVER (VDU.ASM)
 CVDUENABLE	.EQU	FALSE		; CVDU: ENABLE CVDU VIDEO/KBD DRIVER (CVDU.ASM)
 NECENABLE	.EQU	FALSE		; NEC: ENABLE NEC UPD7220 VIDEO/KBD DRIVER (NEC.ASM)
 TMSENABLE	.EQU	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
+TMSMODE		.EQU	TMSMODE_NONE	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|RC|RCV9958|RCKBD]
 TMSTIMENABLE	.EQU	FALSE		; TMS: ENABLE TIMER INTERRUPTS (REQUIRES IM1)
 VGAENABLE	.EQU	FALSE		; VGA: ENABLE VGA VIDEO/KBD DRIVER (VGA.ASM)
 ;
diff --git a/Source/HBIOS/cfg_ezz80.asm b/Source/HBIOS/cfg_ezz80.asm
index 8546fe26..bef8fe9a 100644
--- a/Source/HBIOS/cfg_ezz80.asm
+++ b/Source/HBIOS/cfg_ezz80.asm
@@ -76,6 +76,10 @@ BOOTCON		.EQU	0		; BOOT CONSOLE DEVICE
 CRTACT		.EQU	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 VDAEMU		.EQU	EMUTYP_ANSI	; VDA EMULATION: EMUTYP_[TTY|ANSI]
 ANSITRACE	.EQU	1		; ANSI DRIVER TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+PPKTRACE	.EQU	1		; PPK DRIVER TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+KBDTRACE	.EQU	1		; KBD DRIVER TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+PPKKBLOUT	.EQU	KBD_US		; PPK KEYBOARD LANGUAGE: KBD_[US|DE]
+KBDKBLOUT	.EQU	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 MKYENABLE	.EQU	FALSE		; MSX 5255 PPI KEYBOARD COMPATIBLE DRIVER (REQUIRES TMS VDA DRIVER)
 MKYKBLOUT	.EQU	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 ;
@@ -110,6 +114,7 @@ UARTOSC		.EQU	1843200		; UART: OSC FREQUENCY IN MHZ
 UARTINTS	.EQU	FALSE		; UART: INCLUDE INTERRUPT SUPPORT UNDER IM1/2/3
 UARTCFG		.EQU	DEFSERCFG | SER_RTS	; UART: LINE CONFIG FOR UART PORTS
 UARTSBC		.EQU	FALSE		; UART: AUTO-DETECT SBC/ZETA ONBOARD UART
+UARTSBCFORCE	.EQU	FALSE		; UART: FORCE DETECTION OF SBC UART (FOR SIMH)
 UARTCAS		.EQU	FALSE		; UART: AUTO-DETECT ECB CASSETTE UART
 UARTMFP		.EQU	FALSE		; UART: AUTO-DETECT MF/PIC UART
 UART4		.EQU	FALSE		; UART: AUTO-DETECT 4UART UART
@@ -148,6 +153,7 @@ VDUENABLE	.EQU	FALSE		; VDU: ENABLE VDU VIDEO/KBD DRIVER (VDU.ASM)
 CVDUENABLE	.EQU	FALSE		; CVDU: ENABLE CVDU VIDEO/KBD DRIVER (CVDU.ASM)
 NECENABLE	.EQU	FALSE		; NEC: ENABLE NEC UPD7220 VIDEO/KBD DRIVER (NEC.ASM)
 TMSENABLE	.EQU	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
+TMSMODE		.EQU	TMSMODE_NONE	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|RC|RCV9958|RCKBD]
 TMSTIMENABLE	.EQU	FALSE		; TMS: ENABLE TIMER INTERRUPTS (REQUIRES IM1)
 VGAENABLE	.EQU	FALSE		; VGA: ENABLE VGA VIDEO/KBD DRIVER (VGA.ASM)
 ;
diff --git a/Source/HBIOS/cfg_master.asm b/Source/HBIOS/cfg_master.asm
index da5f828b..ebbc1b1a 100644
--- a/Source/HBIOS/cfg_master.asm
+++ b/Source/HBIOS/cfg_master.asm
@@ -109,7 +109,7 @@ PPKTRACE	.EQU	1		; PPK DRIVER TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 KBDTRACE	.EQU	1		; KBD DRIVER TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
 PPKKBLOUT	.EQU	KBD_US		; PPK KEYBOARD LANGUAGE: KBD_[US|DE]
 KBDKBLOUT	.EQU	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
-MKYENABLE	.EQU	FALSE		; MSX 5255 PPI KEYBOARD COMPATIBLE DRIVER (REQUIRES TMS VDA DRIVER)
+MKYENABLE	.EQU	FALSE		; MSX 8255 PPI KEYBOARD COMPATIBLE DRIVER (REQUIRES TMS VDA DRIVER)
 MKYKBLOUT	.EQU	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 ;
 DSRTCENABLE	.EQU	FALSE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
@@ -144,6 +144,7 @@ UARTINTS	.EQU	FALSE		; UART: INCLUDE INTERRUPT SUPPORT UNDER IM1/2/3
 UARTCFG		.EQU	DEFSERCFG	; UART: LINE CONFIG FOR UART PORTS
 UARTCASSPD	.EQU	SER_300_8N1	; UART: ECB CASSETTE UART DEFAULT SPEED
 UARTSBC		.EQU	FALSE		; UART: AUTO-DETECT SBC/ZETA ONBOARD UART
+UARTSBCFORCE	.EQU	FALSE		; UART: FORCE DETECTION OF SBC UART (FOR SIMH)
 UARTCAS		.EQU	FALSE		; UART: AUTO-DETECT ECB CASSETTE UART
 UARTMFP		.EQU	FALSE		; UART: AUTO-DETECT MF/PIC UART
 UART4		.EQU	FALSE		; UART: AUTO-DETECT 4UART UART
@@ -202,7 +203,7 @@ VDUSIZ		.EQU	V80X25		; VDU: DISPLAY FORMAT [V80X24|V80X25|V80X30]
 CVDUENABLE	.EQU	FALSE		; CVDU: ENABLE CVDU VIDEO/KBD DRIVER (CVDU.ASM)
 NECENABLE	.EQU	FALSE		; NEC: ENABLE NEC UPD7220 VIDEO/KBD DRIVER (NEC.ASM)
 TMSENABLE	.EQU	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-TMSMODE		.EQU	TMSMODE_NONE	; TMS: DRIVER MODE: TMSMODE_[SCG/N8/RC/RCV9958]
+TMSMODE		.EQU	TMSMODE_NONE	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|RC|RCV9958|RCKBD]
 TMSTIMENABLE	.EQU	FALSE		; TMS: ENABLE TIMER INTERRUPTS (REQUIRES IM1)
 VGAENABLE	.EQU	FALSE		; VGA: ENABLE VGA VIDEO/KBD DRIVER (VGA.ASM)
 VGASIZ		.EQU	V80X25		; VGA: DISPLAY FORMAT [V80X25|V80X30|V80X43]
diff --git a/Source/HBIOS/cfg_mbc.asm b/Source/HBIOS/cfg_mbc.asm
index 4e502fc2..0c5169c3 100644
--- a/Source/HBIOS/cfg_mbc.asm
+++ b/Source/HBIOS/cfg_mbc.asm
@@ -107,6 +107,7 @@ UARTINTS	.EQU	FALSE		; UART: INCLUDE INTERRUPT SUPPORT UNDER IM1/2/3
 UARTCFG		.EQU	DEFSERCFG	; UART: LINE CONFIG FOR UART PORTS
 UARTCASSPD	.EQU	SER_300_8N1	; UART: ECB CASSETTE UART DEFAULT SPEED
 UARTSBC		.EQU	TRUE		; UART: AUTO-DETECT SBC/ZETA ONBOARD UART
+UARTSBCFORCE	.EQU	FALSE		; UART: FORCE DETECTION OF SBC UART (FOR SIMH)
 UARTCAS		.EQU	FALSE		; UART: AUTO-DETECT ECB CASSETTE UART
 UARTMFP		.EQU	FALSE		; UART: AUTO-DETECT MF/PIC UART
 UART4		.EQU	FALSE		; UART: AUTO-DETECT 4UART UART
@@ -138,7 +139,7 @@ VDUSIZ		.EQU	V80X25		; VDU: DISPLAY FORMAT [V80X24|V80X25|V80X30]
 CVDUENABLE	.EQU	FALSE		; CVDU: ENABLE CVDU VIDEO/KBD DRIVER (CVDU.ASM)
 NECENABLE	.EQU	FALSE		; NEC: ENABLE NEC UPD7220 VIDEO/KBD DRIVER (NEC.ASM)
 TMSENABLE	.EQU	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-TMSMODE		.EQU	TMSMODE_SCG	; TMS: DRIVER MODE: TMSMODE_[SCG/N8/RC/RCV9958]
+TMSMODE		.EQU	TMSMODE_SCG	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|RC|RCV9958|RCKBD]
 TMSTIMENABLE	.EQU	FALSE		; TMS: ENABLE TIMER INTERRUPTS (REQUIRES IM1)
 VGAENABLE	.EQU	FALSE		; VGA: ENABLE VGA VIDEO/KBD DRIVER (VGA.ASM)
 VGASIZ		.EQU	V80X25		; VGA: DISPLAY FORMAT [V80X25|V80X30|V80X43]
diff --git a/Source/HBIOS/cfg_mk4.asm b/Source/HBIOS/cfg_mk4.asm
index 837f7420..7c3633fd 100644
--- a/Source/HBIOS/cfg_mk4.asm
+++ b/Source/HBIOS/cfg_mk4.asm
@@ -113,6 +113,7 @@ UARTINTS	.EQU	FALSE		; UART: INCLUDE INTERRUPT SUPPORT UNDER IM1/2/3
 UARTCFG		.EQU	DEFSERCFG	; UART: LINE CONFIG FOR UART PORTS
 UARTCASSPD	.EQU	SER_300_8N1	; UART: ECB CASSETTE UART DEFAULT SPEED
 UARTSBC		.EQU	FALSE		; UART: AUTO-DETECT SBC/ZETA ONBOARD UART
+UARTSBCFORCE	.EQU	FALSE		; UART: FORCE DETECTION OF SBC UART (FOR SIMH)
 UARTCAS		.EQU	TRUE		; UART: AUTO-DETECT ECB CASSETTE UART
 UARTMFP		.EQU	FALSE		; UART: AUTO-DETECT MF/PIC UART
 UART4		.EQU	TRUE		; UART: AUTO-DETECT 4UART UART
@@ -137,7 +138,7 @@ VDUSIZ		.EQU	V80X25		; VDU: DISPLAY FORMAT [V80X24|V80X25|V80X30]
 CVDUENABLE	.EQU	FALSE		; CVDU: ENABLE CVDU VIDEO/KBD DRIVER (CVDU.ASM)
 NECENABLE	.EQU	FALSE		; NEC: ENABLE NEC UPD7220 VIDEO/KBD DRIVER (NEC.ASM)
 TMSENABLE	.EQU	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-TMSMODE		.EQU	TMSMODE_SCG	; TMS: DRIVER MODE: TMSMODE_[SCG/N8/RC/RCV9958]
+TMSMODE		.EQU	TMSMODE_SCG	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|RC|RCV9958|RCKBD]
 TMSTIMENABLE	.EQU	FALSE		; TMS: ENABLE TIMER INTERRUPTS (REQUIRES IM1)
 VGAENABLE	.EQU	FALSE		; VGA: ENABLE VGA VIDEO/KBD DRIVER (VGA.ASM)
 VGASIZ		.EQU	V80X25		; VGA: DISPLAY FORMAT [V80X25|V80X30|V80X43]
diff --git a/Source/HBIOS/cfg_n8.asm b/Source/HBIOS/cfg_n8.asm
index fcb9e4bb..e94d0250 100644
--- a/Source/HBIOS/cfg_n8.asm
+++ b/Source/HBIOS/cfg_n8.asm
@@ -115,6 +115,7 @@ UARTINTS	.EQU	FALSE		; UART: INCLUDE INTERRUPT SUPPORT UNDER IM1/2/3
 UARTCFG		.EQU	DEFSERCFG	; UART: LINE CONFIG FOR UART PORTS
 UARTCASSPD	.EQU	SER_300_8N1	; UART: ECB CASSETTE UART DEFAULT SPEED
 UARTSBC		.EQU	FALSE		; UART: AUTO-DETECT SBC/ZETA ONBOARD UART
+UARTSBCFORCE	.EQU	FALSE		; UART: FORCE DETECTION OF SBC UART (FOR SIMH)
 UARTCAS		.EQU	TRUE		; UART: AUTO-DETECT ECB CASSETTE UART
 UARTMFP		.EQU	FALSE		; UART: AUTO-DETECT MF/PIC UART
 UART4		.EQU	TRUE		; UART: AUTO-DETECT 4UART UART
@@ -139,7 +140,7 @@ VDUSIZ		.EQU	V80X25		; VDU: DISPLAY FORMAT [V80X24|V80X25|V80X30]
 CVDUENABLE	.EQU	FALSE		; CVDU: ENABLE CVDU VIDEO/KBD DRIVER (CVDU.ASM)
 NECENABLE	.EQU	FALSE		; NEC: ENABLE NEC UPD7220 VIDEO/KBD DRIVER (NEC.ASM)
 TMSENABLE	.EQU	TRUE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-TMSMODE		.EQU	TMSMODE_N8	; TMS: DRIVER MODE: TMSMODE_[SCG/N8/RC/RCV9958]
+TMSMODE		.EQU	TMSMODE_N8	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|RC|RCV9958|RCKBD]
 TMSTIMENABLE	.EQU	FALSE		; TMS: ENABLE TIMER INTERRUPTS (REQUIRES IM1)
 VGAENABLE	.EQU	FALSE		; VGA: ENABLE VGA VIDEO/KBD DRIVER (VGA.ASM)
 VGASIZ		.EQU	V80X25		; VGA: DISPLAY FORMAT [V80X25|V80X30|V80X43]
diff --git a/Source/HBIOS/cfg_rcz180.asm b/Source/HBIOS/cfg_rcz180.asm
index 04279b9b..08201106 100644
--- a/Source/HBIOS/cfg_rcz180.asm
+++ b/Source/HBIOS/cfg_rcz180.asm
@@ -78,6 +78,10 @@ BOOTCON		.EQU	0		; BOOT CONSOLE DEVICE
 CRTACT		.EQU	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 VDAEMU		.EQU	EMUTYP_ANSI	; VDA EMULATION: EMUTYP_[TTY|ANSI]
 ANSITRACE	.EQU	1		; ANSI DRIVER TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+PPKTRACE	.EQU	1		; PPK DRIVER TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+KBDTRACE	.EQU	1		; KBD DRIVER TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+PPKKBLOUT	.EQU	KBD_US		; PPK KEYBOARD LANGUAGE: KBD_[US|DE]
+KBDKBLOUT	.EQU	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 MKYENABLE	.EQU	FALSE		; MSX 5255 PPI KEYBOARD COMPATIBLE DRIVER (REQUIRES TMS VDA DRIVER)
 MKYKBLOUT	.EQU	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 ;
@@ -112,6 +116,7 @@ UARTOSC		.EQU	1843200		; UART: OSC FREQUENCY IN MHZ
 UARTINTS	.EQU	FALSE		; UART: INCLUDE INTERRUPT SUPPORT UNDER IM1/2/3
 UARTCFG		.EQU	DEFSERCFG | SER_RTS	; UART: LINE CONFIG FOR UART PORTS
 UARTSBC		.EQU	FALSE		; UART: AUTO-DETECT SBC/ZETA ONBOARD UART
+UARTSBCFORCE	.EQU	FALSE		; UART: FORCE DETECTION OF SBC UART (FOR SIMH)
 UARTCAS		.EQU	FALSE		; UART: AUTO-DETECT ECB CASSETTE UART
 UARTMFP		.EQU	FALSE		; UART: AUTO-DETECT MF/PIC UART
 UART4		.EQU	FALSE		; UART: AUTO-DETECT 4UART UART
@@ -154,7 +159,7 @@ VDUENABLE	.EQU	FALSE		; VDU: ENABLE VDU VIDEO/KBD DRIVER (VDU.ASM)
 CVDUENABLE	.EQU	FALSE		; CVDU: ENABLE CVDU VIDEO/KBD DRIVER (CVDU.ASM)
 NECENABLE	.EQU	FALSE		; NEC: ENABLE NEC UPD7220 VIDEO/KBD DRIVER (NEC.ASM)
 TMSENABLE	.EQU	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-TMSMODE		.EQU	TMSMODE_RC	; TMS: DRIVER MODE: TMSMODE_[SCG/N8/RC/RCV9958]
+TMSMODE		.EQU	TMSMODE_RC	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|RC|RCV9958|RCKBD]
 TMSTIMENABLE	.EQU	FALSE		; TMS: ENABLE TIMER INTERRUPTS (REQUIRES IM1)
 VGAENABLE	.EQU	FALSE		; VGA: ENABLE VGA VIDEO/KBD DRIVER (VGA.ASM)
 ;
diff --git a/Source/HBIOS/cfg_rcz280.asm b/Source/HBIOS/cfg_rcz280.asm
index 920d1ece..a05f2971 100644
--- a/Source/HBIOS/cfg_rcz280.asm
+++ b/Source/HBIOS/cfg_rcz280.asm
@@ -83,6 +83,10 @@ BOOTCON		.EQU	0		; BOOT CONSOLE DEVICE
 CRTACT		.EQU	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 VDAEMU		.EQU	EMUTYP_ANSI	; VDA EMULATION: EMUTYP_[TTY|ANSI]
 ANSITRACE	.EQU	1		; ANSI DRIVER TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+PPKTRACE	.EQU	1		; PPK DRIVER TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+KBDTRACE	.EQU	1		; KBD DRIVER TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+PPKKBLOUT	.EQU	KBD_US		; PPK KEYBOARD LANGUAGE: KBD_[US|DE]
+KBDKBLOUT	.EQU	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 MKYENABLE	.EQU	FALSE		; MSX 5255 PPI KEYBOARD COMPATIBLE DRIVER (REQUIRES TMS VDA DRIVER)
 MKYKBLOUT	.EQU	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 ;
@@ -117,6 +121,7 @@ UARTOSC		.EQU	1843200		; UART: OSC FREQUENCY IN MHZ
 UARTINTS	.EQU	FALSE		; UART: INCLUDE INTERRUPT SUPPORT UNDER IM1/2/3
 UARTCFG		.EQU	DEFSERCFG | SER_RTS	; UART: LINE CONFIG FOR UART PORTS
 UARTSBC		.EQU	FALSE		; UART: AUTO-DETECT SBC/ZETA ONBOARD UART
+UARTSBCFORCE	.EQU	FALSE		; UART: FORCE DETECTION OF SBC UART (FOR SIMH)
 UARTCAS		.EQU	FALSE		; UART: AUTO-DETECT ECB CASSETTE UART
 UARTMFP		.EQU	FALSE		; UART: AUTO-DETECT MF/PIC UART
 UART4		.EQU	FALSE		; UART: AUTO-DETECT 4UART UART
@@ -170,7 +175,7 @@ VDUENABLE	.EQU	FALSE		; VDU: ENABLE VDU VIDEO/KBD DRIVER (VDU.ASM)
 CVDUENABLE	.EQU	FALSE		; CVDU: ENABLE CVDU VIDEO/KBD DRIVER (CVDU.ASM)
 NECENABLE	.EQU	FALSE		; NEC: ENABLE NEC UPD7220 VIDEO/KBD DRIVER (NEC.ASM)
 TMSENABLE	.EQU	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-TMSMODE		.EQU	TMSMODE_RC	; TMS: DRIVER MODE: TMSMODE_[SCG/N8/RC/RCV9958]
+TMSMODE		.EQU	TMSMODE_RC	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|RC|RCV9958|RCKBD]
 TMSTIMENABLE	.EQU	FALSE		; TMS: ENABLE TIMER INTERRUPTS (REQUIRES IM1)
 VGAENABLE	.EQU	FALSE		; VGA: ENABLE VGA VIDEO/KBD DRIVER (VGA.ASM)
 ;
diff --git a/Source/HBIOS/cfg_rcz80.asm b/Source/HBIOS/cfg_rcz80.asm
index 9dcdfa42..31221bc9 100644
--- a/Source/HBIOS/cfg_rcz80.asm
+++ b/Source/HBIOS/cfg_rcz80.asm
@@ -77,6 +77,10 @@ BOOTCON		.EQU	0		; BOOT CONSOLE DEVICE
 CRTACT		.EQU	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 VDAEMU		.EQU	EMUTYP_ANSI	; VDA EMULATION: EMUTYP_[TTY|ANSI]
 ANSITRACE	.EQU	1		; ANSI DRIVER TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+PPKTRACE	.EQU	1		; PPK DRIVER TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+KBDTRACE	.EQU	1		; KBD DRIVER TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+PPKKBLOUT	.EQU	KBD_US		; PPK KEYBOARD LANGUAGE: KBD_[US|DE]
+KBDKBLOUT	.EQU	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 MKYENABLE	.EQU	FALSE		; MSX 5255 PPI KEYBOARD COMPATIBLE DRIVER (REQUIRES TMS VDA DRIVER)
 MKYKBLOUT	.EQU	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 ;
@@ -111,6 +115,7 @@ UARTOSC		.EQU	1843200		; UART: OSC FREQUENCY IN MHZ
 UARTINTS	.EQU	FALSE		; UART: INCLUDE INTERRUPT SUPPORT UNDER IM1/2/3
 UARTCFG		.EQU	DEFSERCFG | SER_RTS	; UART: LINE CONFIG FOR UART PORTS
 UARTSBC		.EQU	FALSE		; UART: AUTO-DETECT SBC/ZETA ONBOARD UART
+UARTSBCFORCE	.EQU	FALSE		; UART: FORCE DETECTION OF SBC UART (FOR SIMH)
 UARTCAS		.EQU	FALSE		; UART: AUTO-DETECT ECB CASSETTE UART
 UARTMFP		.EQU	FALSE		; UART: AUTO-DETECT MF/PIC UART
 UART4		.EQU	FALSE		; UART: AUTO-DETECT 4UART UART
@@ -159,7 +164,7 @@ VDUENABLE	.EQU	FALSE		; VDU: ENABLE VDU VIDEO/KBD DRIVER (VDU.ASM)
 CVDUENABLE	.EQU	FALSE		; CVDU: ENABLE CVDU VIDEO/KBD DRIVER (CVDU.ASM)
 NECENABLE	.EQU	FALSE		; NEC: ENABLE NEC UPD7220 VIDEO/KBD DRIVER (NEC.ASM)
 TMSENABLE	.EQU	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-TMSMODE		.EQU	TMSMODE_RC	; TMS: DRIVER MODE: TMSMODE_[SCG/N8/RC/RCV9958]
+TMSMODE		.EQU	TMSMODE_RC	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|RC|RCV9958|RCKBD]
 TMSTIMENABLE	.EQU	FALSE		; TMS: ENABLE TIMER INTERRUPTS (REQUIRES IM1)
 VGAENABLE	.EQU	FALSE		; VGA: ENABLE VGA VIDEO/KBD DRIVER (VGA.ASM)
 ;
diff --git a/Source/HBIOS/cfg_sbc.asm b/Source/HBIOS/cfg_sbc.asm
index aaa252f4..dd683a31 100644
--- a/Source/HBIOS/cfg_sbc.asm
+++ b/Source/HBIOS/cfg_sbc.asm
@@ -107,6 +107,7 @@ UARTINTS	.EQU	FALSE		; UART: INCLUDE INTERRUPT SUPPORT UNDER IM1/2/3
 UARTCFG		.EQU	DEFSERCFG	; UART: LINE CONFIG FOR UART PORTS
 UARTCASSPD	.EQU	SER_300_8N1	; UART: ECB CASSETTE UART DEFAULT SPEED
 UARTSBC		.EQU	TRUE		; UART: AUTO-DETECT SBC/ZETA ONBOARD UART
+UARTSBCFORCE	.EQU	FALSE		; UART: FORCE DETECTION OF SBC UART (FOR SIMH)
 UARTCAS		.EQU	TRUE		; UART: AUTO-DETECT ECB CASSETTE UART
 UARTMFP		.EQU	TRUE		; UART: AUTO-DETECT MF/PIC UART
 UART4		.EQU	TRUE		; UART: AUTO-DETECT 4UART UART
@@ -138,7 +139,7 @@ VDUSIZ		.EQU	V80X25		; VDU: DISPLAY FORMAT [V80X24|V80X25|V80X30]
 CVDUENABLE	.EQU	FALSE		; CVDU: ENABLE CVDU VIDEO/KBD DRIVER (CVDU.ASM)
 NECENABLE	.EQU	FALSE		; NEC: ENABLE NEC UPD7220 VIDEO/KBD DRIVER (NEC.ASM)
 TMSENABLE	.EQU	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-TMSMODE		.EQU	TMSMODE_SCG	; TMS: DRIVER MODE: TMSMODE_[SCG/N8/RC/RCV9958]
+TMSMODE		.EQU	TMSMODE_SCG	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|RC|RCV9958|RCKBD]
 TMSTIMENABLE	.EQU	FALSE		; TMS: ENABLE TIMER INTERRUPTS (REQUIRES IM1)
 VGAENABLE	.EQU	FALSE		; VGA: ENABLE VGA VIDEO/KBD DRIVER (VGA.ASM)
 VGASIZ		.EQU	V80X25		; VGA: DISPLAY FORMAT [V80X25|V80X30|V80X43]
diff --git a/Source/HBIOS/cfg_scz180.asm b/Source/HBIOS/cfg_scz180.asm
index ba0d5b9d..226ed9bc 100644
--- a/Source/HBIOS/cfg_scz180.asm
+++ b/Source/HBIOS/cfg_scz180.asm
@@ -73,6 +73,10 @@ BOOTCON		.EQU	0		; BOOT CONSOLE DEVICE
 CRTACT		.EQU	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
 VDAEMU		.EQU	EMUTYP_ANSI	; VDA EMULATION: EMUTYP_[TTY|ANSI]
 ANSITRACE	.EQU	1		; ANSI DRIVER TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+PPKTRACE	.EQU	1		; PPK DRIVER TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+KBDTRACE	.EQU	1		; KBD DRIVER TRACE LEVEL (0=NO,1=ERRORS,2=ALL)
+PPKKBLOUT	.EQU	KBD_US		; PPK KEYBOARD LANGUAGE: KBD_[US|DE]
+KBDKBLOUT	.EQU	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 MKYENABLE	.EQU	FALSE		; MSX 5255 PPI KEYBOARD COMPATIBLE DRIVER (REQUIRES TMS VDA DRIVER)
 MKYKBLOUT	.EQU	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 ;
@@ -107,6 +111,7 @@ UARTOSC		.EQU	1843200		; UART: OSC FREQUENCY IN MHZ
 UARTINTS	.EQU	FALSE		; UART: INCLUDE INTERRUPT SUPPORT UNDER IM1/2/3
 UARTCFG		.EQU	DEFSERCFG | SER_RTS	; UART: LINE CONFIG FOR UART PORTS
 UARTSBC		.EQU	FALSE		; UART: AUTO-DETECT SBC/ZETA ONBOARD UART
+UARTSBCFORCE	.EQU	FALSE		; UART: FORCE DETECTION OF SBC UART (FOR SIMH)
 UARTCAS		.EQU	FALSE		; UART: AUTO-DETECT ECB CASSETTE UART
 UARTMFP		.EQU	FALSE		; UART: AUTO-DETECT MF/PIC UART
 UART4		.EQU	FALSE		; UART: AUTO-DETECT 4UART UART
@@ -149,7 +154,7 @@ VDUENABLE	.EQU	FALSE		; VDU: ENABLE VDU VIDEO/KBD DRIVER (VDU.ASM)
 CVDUENABLE	.EQU	FALSE		; CVDU: ENABLE CVDU VIDEO/KBD DRIVER (CVDU.ASM)
 NECENABLE	.EQU	FALSE		; NEC: ENABLE NEC UPD7220 VIDEO/KBD DRIVER (NEC.ASM)
 TMSENABLE	.EQU	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-TMSMODE		.EQU	TMSMODE_RC	; TMS: DRIVER MODE: TMSMODE_[SCG/N8/RC/RCV9958]
+TMSMODE		.EQU	TMSMODE_RC	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|RC|RCV9958|RCKBD]
 TMSTIMENABLE	.EQU	FALSE		; TMS: ENABLE TIMER INTERRUPTS (REQUIRES IM1)
 VGAENABLE	.EQU	FALSE		; VGA: ENABLE VGA VIDEO/KBD DRIVER (VGA.ASM)
 ;
diff --git a/Source/HBIOS/cfg_zeta.asm b/Source/HBIOS/cfg_zeta.asm
index 47fe482c..fcf3aadd 100644
--- a/Source/HBIOS/cfg_zeta.asm
+++ b/Source/HBIOS/cfg_zeta.asm
@@ -94,6 +94,7 @@ UARTINTS	.EQU	FALSE		; UART: INCLUDE INTERRUPT SUPPORT UNDER IM1/2/3
 UARTCFG		.EQU	DEFSERCFG	; UART: LINE CONFIG FOR UART PORTS
 UARTCASSPD	.EQU	SER_300_8N1	; UART: ECB CASSETTE UART DEFAULT SPEED
 UARTSBC		.EQU	TRUE		; UART: AUTO-DETECT SBC/ZETA ONBOARD UART
+UARTSBCFORCE	.EQU	FALSE		; UART: FORCE DETECTION OF SBC UART (FOR SIMH)
 UARTCAS		.EQU	FALSE		; UART: AUTO-DETECT ECB CASSETTE UART
 UARTMFP		.EQU	FALSE		; UART: AUTO-DETECT MF/PIC UART
 UART4		.EQU	FALSE		; UART: AUTO-DETECT 4UART UART
@@ -113,6 +114,7 @@ VDUENABLE	.EQU	FALSE		; VDU: ENABLE VDU VIDEO/KBD DRIVER (VDU.ASM)
 CVDUENABLE	.EQU	FALSE		; CVDU: ENABLE CVDU VIDEO/KBD DRIVER (CVDU.ASM)
 NECENABLE	.EQU	FALSE		; NEC: ENABLE NEC UPD7220 VIDEO/KBD DRIVER (NEC.ASM)
 TMSENABLE	.EQU	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
+TMSMODE		.EQU	TMSMODE_NONE	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|RC|RCV9958|RCKBD]
 TMSTIMENABLE	.EQU	FALSE		; TMS: ENABLE TIMER INTERRUPTS (REQUIRES IM1)
 VGAENABLE	.EQU	FALSE		; VGA: ENABLE VGA VIDEO/KBD DRIVER (VGA.ASM)
 ;
diff --git a/Source/HBIOS/cfg_zeta2.asm b/Source/HBIOS/cfg_zeta2.asm
index b14d62b1..ab96ffec 100644
--- a/Source/HBIOS/cfg_zeta2.asm
+++ b/Source/HBIOS/cfg_zeta2.asm
@@ -105,6 +105,7 @@ UARTINTS	.EQU	FALSE		; UART: INCLUDE INTERRUPT SUPPORT UNDER IM1/2/3
 UARTCFG		.EQU	DEFSERCFG	; UART: LINE CONFIG FOR UART PORTS
 UARTCASSPD	.EQU	SER_300_8N1	; UART: ECB CASSETTE UART DEFAULT SPEED
 UARTSBC		.EQU	TRUE		; UART: AUTO-DETECT SBC/ZETA ONBOARD UART
+UARTSBCFORCE	.EQU	FALSE		; UART: FORCE DETECTION OF SBC UART (FOR SIMH)
 UARTCAS		.EQU	FALSE		; UART: AUTO-DETECT ECB CASSETTE UART
 UARTMFP		.EQU	FALSE		; UART: AUTO-DETECT MF/PIC UART
 UART4		.EQU	FALSE		; UART: AUTO-DETECT 4UART UART
@@ -124,6 +125,7 @@ VDUENABLE	.EQU	FALSE		; VDU: ENABLE VDU VIDEO/KBD DRIVER (VDU.ASM)
 CVDUENABLE	.EQU	FALSE		; CVDU: ENABLE CVDU VIDEO/KBD DRIVER (CVDU.ASM)
 NECENABLE	.EQU	FALSE		; NEC: ENABLE NEC UPD7220 VIDEO/KBD DRIVER (NEC.ASM)
 TMSENABLE	.EQU	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
+TMSMODE		.EQU	TMSMODE_NONE	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|RC|RCV9958|RCKBD]
 TMSTIMENABLE	.EQU	FALSE		; TMS: ENABLE TIMER INTERRUPTS (REQUIRES IM1)
 VGAENABLE	.EQU	FALSE		; VGA: ENABLE VGA VIDEO/KBD DRIVER (VGA.ASM)
 ;
diff --git a/Source/HBIOS/hbios.asm b/Source/HBIOS/hbios.asm
index 924b3f0d..bfda83a0 100644
--- a/Source/HBIOS/hbios.asm
+++ b/Source/HBIOS/hbios.asm
@@ -5028,7 +5028,7 @@ SIZ_FONTS	.EQU	$ - ORG_FONTS
 		.ECHO	SIZ_FONTS
 		.ECHO	" bytes.\n"
 ;
-#IF (CVDUENABLE | VGAENABLE)
+#IF (CVDUENABLE | VGAENABLE) | (TMSENABLE & (TMSMODE == TMSMODE_RCKBD))
 ORG_KBD		.EQU	$
   #INCLUDE "kbd.asm"
 SIZ_KBD		.EQU	$ - ORG_KBD
@@ -5037,7 +5037,7 @@ SIZ_KBD		.EQU	$ - ORG_KBD
 		.ECHO	" bytes.\n"
 #ENDIF
 ;
-#IF (VDUENABLE | (TMSENABLE & (PLATFORM == PLT_N8)))
+#IF (VDUENABLE | (TMSENABLE & (TMSMODE == TMSMODE_N8)))
 ORG_PPK		.EQU	$
   #INCLUDE "ppk.asm"
 SIZ_PPK		.EQU	$ - ORG_PPK
diff --git a/Source/HBIOS/std.asm b/Source/HBIOS/std.asm
index 73ac08c7..82a3be91 100644
--- a/Source/HBIOS/std.asm
+++ b/Source/HBIOS/std.asm
@@ -217,6 +217,7 @@ TMSMODE_SCG	.EQU	1		; SCG ECB BOARD
 TMSMODE_N8	.EQU	2		; N8 BUILT-IN VIDEO
 TMSMODE_RC	.EQU	3		; RC2014 TMS9918 VIDEO BOARD
 TMSMODE_RCV9958	.EQU	4		; RC2014 V9958 VIDEO BOARD
+TMSMODE_RCKBD	.EQU	5		; RC2014 TMS9918 + PS2 KEYBOARD
 ;
 ; DMA MODE SELECTIONS
 ;
diff --git a/Source/HBIOS/tms.asm b/Source/HBIOS/tms.asm
index ab0970fa..2a585634 100644
--- a/Source/HBIOS/tms.asm
+++ b/Source/HBIOS/tms.asm
@@ -33,11 +33,17 @@ TMS_PPIX	.EQU	0		; PPI CONTROL PORT
 
 #ENDIF
 
+#IF (TMSMODE == TMSMODE_RCKBD)
+TMS_DATREG	.EQU	$98		; READ/WRITE DATA
+TMS_CMDREG	.EQU	$99		; READ STATUS / WRITE REG SEL
+TMS_KBDDATA	.EQU	$E0		; KBD CTLR DATA PORT
+TMS_KBDST	.EQU	$E1		; KBD CTLR STATUS/CMD PORT
+#ENDIF
+
 #IF (TMSMODE == TMSMODE_N8)
 
 TMS_DATREG	.EQU	$98		; READ/WRITE DATA
 TMS_CMDREG	.EQU	$99		; READ STATUS / WRITE REG SEL
-
 TMS_PPIA	.EQU	$84		; PPI PORT A
 TMS_PPIB	.EQU	$85		; PPI PORT B
 TMS_PPIC	.EQU	$86		; PPI PORT C
@@ -50,7 +56,6 @@ TMS_PPIX	.EQU	$87		; PPI CONTROL PORT
 TMS_DATREG	.EQU	$98		; READ/WRITE DATA
 TMS_CMDREG	.EQU	$99		; READ STATUS / WRITE REG SEL
 TMS_ACR		.EQU	$9C		; AUX CONTROL REGISTER
-
 TMS_PPIA	.EQU	0		; PPI PORT A
 TMS_PPIB	.EQU	0		; PPI PORT B
 TMS_PPIC	.EQU	0		; PPI PORT C
@@ -123,6 +128,9 @@ TMS_INIT:
 #IF (TMSMODE == TMSMODE_RC)
 	PRTS("RC$")
 #ENDIF
+#IF (TMSMODE == TMSMODE_RCKBD)
+	PRTS("RCKBD$")
+#ENDIF
 #IF (TMSMODE == TMSMODE_RCV9958)
 	PRTS("RC_V9958$")
 #ENDIF
@@ -143,11 +151,13 @@ TMS_INIT1:
 	CALL	TMS_LOADFONT		; LOAD FONT DATA FROM ROM TO TMS STRORAGE
 	CALL	TMS_VDARES1
 #IF (TMSMODE == TMSMODE_N8)
-	CALL	PPK_INIT		; INITIALIZE KEYBOARD DRIVER
-#ELSE
-#IF MKYENABLE
-	CALL	MKY_INIT
+	CALL	PPK_INIT		; INITIALIZE PPI KEYBOARD DRIVER
 #ENDIF
+#IF (TMSMODE == TMSMODE_RCKBD)
+	CALL	KBD_INIT		; INITIALIZE 8242 KEYBOARD DRIVER
+#ENDIF
+#IF MKYENABLE
+	CALL	MKY_INIT		; INITIALIZE MKY KEYBOARD DRIVER
 #ENDIF
 
 #IF (INTMODE == 1 & TMSTIMENABLE)
@@ -198,16 +208,22 @@ TMS_FNTBL:
 	.DW	PPK_FLUSH
 	.DW	PPK_READ
 #ELSE
-#IF MKYENABLE
-	.DW	MKY_STAT
-	.DW	MKY_FLUSH
-	.DW	MKY_READ
-
-#ELSE
-	.DW	TMS_STAT
-	.DW	TMS_FLUSH
-	.DW	TMS_READ
-#ENDIF
+  #IF  (TMSMODE == TMSMODE_RCKBD)
+  	.DW	KBD_STAT
+  	.DW	KBD_FLUSH
+  	.DW	KBD_READ
+  #ELSE
+    #IF MKYENABLE
+  	.DW	MKY_STAT
+  	.DW	MKY_FLUSH
+  	.DW	MKY_READ
+  
+    #ELSE
+  	.DW	TMS_STAT
+  	.DW	TMS_FLUSH
+  	.DW	TMS_READ
+    #ENDIF
+  #ENDIF
 #ENDIF
 	.DW	TMS_VDARDC
 #IF (($ - TMS_FNTBL) != (VDA_FNCNT * 2))
@@ -881,10 +897,16 @@ TMS_BUF		.FILL	256,0	; COPY BUFFER
 ;
 
 TMS_IDAT:
-	.DB	TMS_PPIA
-	.DB	TMS_PPIB
-	.DB	TMS_PPIC
-	.DB	TMS_PPIX
+#IF ((TMSMODE == TMSMODE_RC) | (TMSMODE == TMSMODE_RCV9958) | (TMSMODE == TMSMODE_N8) | (TMSMODE == TMSMODE_SCG))
+	.DB	TMS_PPIA	; PPI PORT A
+	.DB	TMS_PPIB        ; PPI PORT B
+	.DB	TMS_PPIC        ; PPI PORT C
+	.DB	TMS_PPIX        ; PPI CONTROL PORT
+#ENDIF
+#IF (TMSMODE == TMSMODE_RCKBD)
+	.DB	TMS_KBDST	; 8242 CMD/STATUS PORT
+	.DB	TMS_KBDDATA	; 8242 DATA PORT
+#ENDIF
 
 TMS_PORTS:
 	.DB	TMS_DATREG
diff --git a/Source/HBIOS/uart.asm b/Source/HBIOS/uart.asm
index 3a67e081..a24de3d0 100644
--- a/Source/HBIOS/uart.asm
+++ b/Source/HBIOS/uart.asm
@@ -796,10 +796,17 @@ UART_CHIP2:	; PICK BETWEEN 16550A/C
 	JR	UART_CHIP_16550C	; IS SET, SO 16550C
 ;
 UART_CHIP_NONE:
+;
+#IF (UARTSBCFORCE)
+	; SIMH DOES NOT EMULATE A UART WELL ENOUGH TO BE DETECTED, SO
+	; THIS BIT OF CODE CAN BE ENABLED TO FORCE THE PRIMARY SBC
+	; UART TO BE HANDLED AS AN 8250.
 	LD	A,(IY+2)		; BASE IO PORT
 	CP	UARTSBASE		; IS THIS PRIMARY SBC PORT?
 	JR	Z,UART_CHIP_8250	; SPECIAL CASE FOR PRIMARY UART!
-	LD	A,UART_NONE		; IF SO, TREAT AS 8250 NO MATTER WHAT
+#ENDIF
+;
+	LD	A,UART_NONE		; NO UART DETECTED AT THIS PORT
 	RET
 ;
 UART_CHIP_8250:
diff --git a/Source/Images/d_bp/u0/ramfiles.txt b/Source/Images/d_bp/u0/ramfiles.txt
index 9c476470..90495ad2 100644
--- a/Source/Images/d_bp/u0/ramfiles.txt
+++ b/Source/Images/d_bp/u0/ramfiles.txt
@@ -3,7 +3,7 @@ BIN:D.COM
 BIN:ZXD.COM
 BIN:IF.COM
 BIN:QL.COM
-bin:SD.COM
+BIN:SD.COM
 BIN:CL.COM
 BIN:LU.COM
-
\ No newline at end of file
+
\ No newline at end of file
diff --git a/Source/Images/d_bp/u0/suportww.tag b/Source/Images/d_bp/u0/suportww.tag
deleted file mode 100644
index 8b045548..00000000
--- a/Source/Images/d_bp/u0/suportww.tag
+++ /dev/null
@@ -1,35 +0,0 @@
-BPBIO   NDR
-BPBIOZ33NDR
-BPCNFG  COM
-EASE    COM
-EASE    HLP
-FCP-4   ZRL
-FCP-4T  ZRL
-FILEATTRCOM
-HELPLSH COM
-IF      COM
-JETLDR  COM
-LDTIME7 COM
-LDTIME9 COM
-LDTIMEC COM
-LDTIMEE COM
-LSH     COM
-LSHF    COM
-LSHF    VAR
-MYTERM  Z3T
-NZDEC23DZ3T
-PUTDS   COM
-RAMFILESTXT
-RCOPY   COM
-RCP-16H ZRL
-SUPORTWWTAG
-SUPPORT TXT
-Z33N    ZEX
-Z33T    ZEX
-ZEX     COM
-ZPATH   COM
-ZSCFG2  COM
-ZSTF    ZEX
-ZSTN    ZEX
-ZSTT    ZEX
-
\ No newline at end of file
diff --git a/Source/Images/d_bp/u0/support.lbr b/Source/Images/d_bp/u0/support.lbr
new file mode 100644
index 00000000..04760f13
Binary files /dev/null and b/Source/Images/d_bp/u0/support.lbr differ
diff --git a/Source/Images/d_bp/u0/support.txt b/Source/Images/d_bp/u0/support.txt
index 90e7b336..db70c39d 100644
--- a/Source/Images/d_bp/u0/support.txt
+++ b/Source/Images/d_bp/u0/support.txt
@@ -4,82 +4,92 @@ are used and/or loaded by the startup scripts.
 
 Some of the support files are startup ZEX scripts, some are Z3+ segment files, 
 others are Date and Time stamp drivers, some are command line editors and 
-history shells while others are needed to initialize the RAMDRIVE.  
+history shells others are needed to initialize the RAMDRIVE as well as help files.  
 
 The following table shows which files are needed to support each of the ten 
-BPBIOS variants (BP33N, BP33T, BP33NBNK, BP33TBNK, BP34N, BP34T, BP34NBNK,
-BP34TBNK, BP41NBNK & BBP41TBNK). 
+BPBIOS variants (BP33, BP33BNK, BP34, BP34BNK & BBP41BNK). 
 
-Variant Name		Z33N*	Z33T*	Z34N*	Z34T*	Z41NBNK	Z41TBNK
-======================================================================
-Z33N.ZEX		X
-Z33T.ZEX			X
-ZSTN.ZEX				X
-ZSTT.ZEX					X
-ZSTF.ZEX						X	X
-ZPATH.COM		X	X	X	X	X	X
-jetldr.com		X	X	X	X	X	X
-rcp-16h.zrl		X	X	X	X	
-fcp-4.zrl		X	X
-fcp-4t.zrl				X	X	X	X
+Variant Name		BP33	BP33BNK	BP34	BP34BNK BP41BNK
+================================================================
+bpbio.ndr				X	X	X	
 bpbioz33.ndr		X	X
-bpbio.ndr				X	X	X	X
-myterm.z3t		X	X	X	X	X 	X
-LDTIME9.COM		X
-LDTIME7.COM			X
-LDTIMEE.COM				X
-LDTIMEC.COM					X
-PUTDS.COM		X	X	X	X	X	X
-FILEATTR.COM		X	X	X	X	X	X
-RCOPY.COM		X	X	X	X	X	X
-RAMFILES.TXT		X	X	X	X	X	X
+BPCNFG.COM		X	X	X	X	X
 EASE.COM		X	X
-LSH.COM					X	X	X	X
+EASE.HLP		X	X
+fcp-4.zrl		X	X
+fcp-4t.zrl				X	X	X
+RELOG			X	X	X	X	X
+HELPLSH.COM				X	X	X
+IF.COM			X       X	X	X	
+jetldr.com		X	X	X	X	X
+LDTIMEC.COM		X	X		X
+LSH.COM					X	X	X
+LSHF.COM*				X	X	X
+LSHF.VAR*				X	X	X
+myterm.z3t		X	X	X	X	X 
+nzdec23d.z3t		X	X	X	X	X 
+PUTDS.COM		X	X	X	X	X
+RAMFILES.TXT		X	X	X	X	X
+RCOPY.COM		X	X	X	X	X
+rcp-16h.zrl		X	X	X	X	
+SAVE.COM		X	X	X	X
+Z33.ZEX			X	X
+ZEX.COM			X	X	X	X	X
+ZPATH.COM		X	X	X	X	X
+ZSCFG2.COM						X
+ZSTF.ZEX						X
+ZST.ZEX					X	X
 
 
 Instructions:
-	The support files were "crunched" and stored in the library file
-SUPPORT.LBR.  Place SUPPORT.LBR on the RAMDRIVE using for example
+	The support files are "crunched" and stored in the library file
+SUPPORT.LBR.  Place SUPPORT.LBR on the RAMDRIVE using for example 
 XModem. Use LBREXT with the /U option to extract and uncrunch the
 files.  First extract ZEX.COM while logged onto the A: drive with the 
 following command:
-	B0:LBREXT SUPPORT C0:ZEX.Z?X /U
+	B0:LBREXT SUPPORT C0:ZEX.C?M /U
 Next place all the .COM files on C15: by typing:
-	B0:LBREXT SUPPORT C15:*.C?M 
-The remaining files should be placed in C0:.  
+	B0:LBREXT SUPPORT C15:*.C?M /U
+The remaining files should be placed on C0:.  
 	B0:LBREXT SUPPORT C0:*.Z?X /U
 	B0:LBREXT SUPPORT C0:*.Z?L /U
 	B0:LBREXT SUPPORT C0:*.N?R /U
 	B0:LBREXT SUPPORT C0:*.Z?T /U
 	B0:LBREXT SUPPORT C0:*.T?T /U
+	B0:LBREXT SUPPORT C0:*.H?P /U
 
 Note in all BPBIOS variants that A: is the RAMDRIVE, B: is
 the ROMDRIVE and C: is the system drive.  Hard drive slices occupy C: 
 through N: and floppy drives are O: & P:.  A short desciption
 of each of the support files follows:
 
-Z33N.ZEX	- Automatically executed Startup script 
-Z33T.ZEX	- Automatically executed Startup script
-ZSTN.ZEX	- Automatically executed Startup script
-ZSTT.ZEX	- Automatically executed Startup script
-ZSTF.ZEX	- Automatically executed Startup script
-ZPATH.COM	- Loads the Zsystem & ZSDOS search paths
-jetldr.com	- Loads Zsystem segments
-rcp-16h.zrl	- Zsystem Resident Command Processor
-fcp-4.zrl	- Z33 Flow Control Processor (handles IF, ELSE etc)
-fcp-4t.zrl	- Z34 & Z41 Flow Control Processor (handles IF, ELSE etc)
 bpbioz33.ndr	- Named Directory Table for Z33
 bpbio.ndr	- Named Directory Table for Z34 & Z41
+BPCNFG.COM	- BPBIOS configuration program
+EASE.COM	- Command line editor & history shell for Z33* 
+EASE.HLP	- Help file for EASE
+fcp-4.zrl	- Z33 Flow Control Processor (handles IF, ELSE etc)
+fcp-4t.zrl	- Z34 & Z41 Flow Control Processor (IF is transient)
+RELOG.COM	- Enables date stamping on RAM drive.
+HELPLSH.COM	- Help file for LSH
+if.com		- Adds tests to fcp-4t
+jetldr.com	- Loads Zsystem segments
+LDTIMEC.COM	- Date stamping & clock drivers for z33* & Z34* variants
+LSH.COM		- Command line editor & history shell for Z34 & Z41
+LSHF.COM	- LSH with a fixed length History file (runs faster)
+LSHF.VAR	- History file for LSHF
 myterm.z3t	- Terminal Capabilities file (defines ESC sequences etc)
-LDTIME9.COM	- Date stamping & clock drivers for Z33N* variants
-LDTIME7.COM	- Date stamping & clock drivers for Z33T* variants
-LDTIMEE.COM	- Date stamping & clock drivers for Z34N* variants
-LDTIMEC.COM	- Date stamping & clock drivers for Z34T* variants
+NZDEC23D.Z3T	- VT100 Terminal Capabilities File.
 PUTDS.COM	- Installs date stamping for RAM drive.
-FILEATTR.COM	- Enables date stamping on RAM drive.
-RCOPY.COM	- Copies files listed in RAMFILES.TXT to RAMDRIVE
 RAMFILES.TXT	- List of frequently used command (edit to suit)
-EASE.COM	- Command line editor & history shell for Z33* 
-LSH.COM		- Command line editor & history shell for Z34 & Z41
+RCOPY.COM	- Copies files listed in RAMFILES.TXT to RAMDRIVE
+rcp-16h.zrl	- Zsystem Resident Command Processor
+SAVE.COM	- Transient save command loads at 8000h
+Z33.ZEX		- Automatically executed Startup script for Z33 variants
+ZEX.COM		- Memory resident SUBMIT - executes startup scripts
+ZPATH.COM	- Loads the Zsystem & ZSDOS search paths
+ZSCFG2.COM	- Configures ZSDOS 2
+ZSTF.ZEX	- Automatically executed Startup script for BP41BNK
+ZST.ZEX		- Automatically executed Startup script for BP34*
 
-Note that clock & datestamping drivers are builtin to Z41.
\ No newline at end of file
+Note that clock & datestamping drivers are builtin to Z41.
\ No newline at end of file
diff --git a/Source/ver.inc b/Source/ver.inc
index 2c77bb1e..5797acd2 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.132"
+#DEFINE BIOSVER	"3.1.1-pre.133"
diff --git a/Source/ver.lib b/Source/ver.lib
index d12c7674..c13e585e 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.132"
+	db	"3.1.1-pre.133"
 	endm