diff --git a/Doc/ChangeLog.txt b/Doc/ChangeLog.txt
index 0ed87fd8..8c17158f 100644
--- a/Doc/ChangeLog.txt
+++ b/Doc/ChangeLog.txt
@@ -30,6 +30,9 @@ Version 3.1.1
 - J?C: Added FIND application from Jay Cotton
 - PMS: Preliminary support for I2C-based DS1307 clock
 - WBW: FD driver auto hardware detect (thanks Alan Cox)
+- D?N: Added support for TMS V9958 VDU
+- D?N: Added support for MSX keyboard
+- D?N: Added support for RP5C01 RTC
 
 Version 3.1
 -----------
diff --git a/Source/HBIOS/Config/RCZ80_std.asm b/Source/HBIOS/Config/RCZ80_std.asm
index efd68211..669bdd3e 100644
--- a/Source/HBIOS/Config/RCZ80_std.asm
+++ b/Source/HBIOS/Config/RCZ80_std.asm
@@ -36,6 +36,7 @@ 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]
 ;
 FDENABLE	.SET	TRUE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
 FDMODE		.SET	FDMODE_RCWDC	; FD: DRIVER MODE: FDMODE_[DIO|ZETA|ZETA2|DIDE|N8|DIO3|RCSMC|RCWDC|DYNO|EPWDC]
@@ -45,14 +46,7 @@ IDEENABLE	.SET	TRUE		; IDE: ENABLE IDE DISK DRIVER (IDE.ASM)
 PPIDEENABLE	.SET	TRUE		; PPIDE: ENABLE PARALLEL PORT IDE DISK DRIVER (PPIDE.ASM)
 ;
 PRPENABLE	.SET	FALSE		; PRP: ENABLE ECB PROPELLER IO BOARD DRIVER (PRP.ASM)
-
-
-TMSENABLE       .SET    FALSE           ; TMS: ENABLE TMS9918/V9958 VIDEO/KBD DRIVER (TMS.ASM)
-TMSMODE         .SET    TMSMODE_RCV9958	; TMS: DRIVER MODE: TMSMODE_[RC/RCV9958]
-TMSTIMENABLE	.SET	FALSE		; MS: ENABLE TIMER INTERRUPTS (REQUIRES IM1)
-CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
-VDAEMU		.SET    EMUTYP_TTY	; VDA EMULATION: EMUTYP_[TTY|ANSI]
-
+;
 RP5RTCENABLE	.SET	FALSE		; RP5C01 RTC BASED CLOCK (RP5RTC.ASM)
-
-MSKENABLE	.SET	FALSE		; MSX 5255 PPI KEYBOARD COMPATIBLE DRIVER (REQUIRES TMS VDA DRIVER)
+;
+MKYENABLE	.SET	FALSE		; MSX 5255 PPI KEYBOARD COMPATIBLE DRIVER (REQUIRES TMS VDA DRIVER)
diff --git a/Source/HBIOS/cfg_dyno.asm b/Source/HBIOS/cfg_dyno.asm
index 6f19b7e7..639a9e4b 100644
--- a/Source/HBIOS/cfg_dyno.asm
+++ b/Source/HBIOS/cfg_dyno.asm
@@ -72,6 +72,7 @@ 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)
+MKYENABLE	.EQU	FALSE		; MSX 5255 PPI KEYBOARD COMPATIBLE DRIVER (REQUIRES TMS VDA DRIVER)
 ;
 DSRTCENABLE	.EQU	FALSE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 DSRTCMODE	.EQU	DSRTCMODE_STD	; DSRTC: OPERATING MODE: DSRTC_[STD|MFPIC]
@@ -178,13 +179,12 @@ PPI_SBC		.EQU	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
 ;
 UFENABLE	.EQU	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 ;
-AUDIOTRACE	.EQU	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
 SN76489ENABLE	.EQU	FALSE		; SN76489 SOUND DRIVER
+AUDIOTRACE	.EQU	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
 SN7CLK		.EQU	CPUOSC / 4	; DEFAULT TO CPUOSC / 4
-
+;
 AY38910ENABLE	.EQU	FALSE		; AY: AY-3-8910 / YM2149 SOUND DRIVER
 AY_CLK		.EQU	CPUOSC / 4	; DEFAULT TO CPUOSC / 4
-AYMODE		.EQU	AYMODE_RCZ180	; AY: DRIVER MODE: AYMODE_[SCG/N8/RCZ80/RCZ180]
+AYMODE		.EQU	AYMODE_NONE	; AY: DRIVER MODE: AYMODE_[SCG/N8/RCZ80/RCZ180]
+;
 SPKENABLE	.EQU	FALSE		; SPK: ENABLE RTC LATCH IOBIT SOUND DRIVER (SPK.ASM)
-
-MSKENABLE	.EQU	FALSE		; MSX 5255 PPI KEYBOARD COMPATIBLE DRIVER (REQUIRES TMS VDA DRIVER)
diff --git a/Source/HBIOS/cfg_ezz80.asm b/Source/HBIOS/cfg_ezz80.asm
index 79ab1aac..35aa287c 100644
--- a/Source/HBIOS/cfg_ezz80.asm
+++ b/Source/HBIOS/cfg_ezz80.asm
@@ -73,6 +73,8 @@ 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)
+MKYENABLE	.EQU	FALSE		; MSX 5255 PPI KEYBOARD COMPATIBLE DRIVER (REQUIRES TMS VDA DRIVER)
+MKYKBLOUT	.EQU	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 ;
 DSRTCENABLE	.EQU	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 DSRTCMODE	.EQU	DSRTCMODE_STD	; DSRTC: OPERATING MODE: DSRTC_[STD|MFPIC]
@@ -212,13 +214,12 @@ PPI_SBC		.EQU	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
 ;
 UFENABLE	.EQU	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 ;
-AUDIOTRACE	.EQU	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
 SN76489ENABLE	.EQU	FALSE		; SN76489 SOUND DRIVER
+AUDIOTRACE	.EQU	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
 SN7CLK		.EQU	CPUOSC / 4	; DEFAULT TO CPUOSC / 4
-
+;
 AY38910ENABLE	.EQU	FALSE		; AY: AY-3-8910 / YM2149 SOUND DRIVER
 AY_CLK		.EQU	CPUOSC / 4	; DEFAULT TO CPUOSC / 4
-AYMODE		.EQU	AYMODE_RCZ80	; AY: DRIVER MODE: AYMODE_[SCG/N8/RCZ80/RCZ180]
+AYMODE		.EQU	AYMODE_NONE	; AY: DRIVER MODE: AYMODE_[SCG/N8/RCZ80/RCZ180]
+;
 SPKENABLE	.EQU	FALSE		; SPK: ENABLE RTC LATCH IOBIT SOUND DRIVER (SPK.ASM)
-
-MSKENABLE	.EQU	FALSE		; MSX 5255 PPI KEYBOARD COMPATIBLE DRIVER (REQUIRES TMS VDA DRIVER)
diff --git a/Source/HBIOS/cfg_master.asm b/Source/HBIOS/cfg_master.asm
index 7de68192..15f4185f 100644
--- a/Source/HBIOS/cfg_master.asm
+++ b/Source/HBIOS/cfg_master.asm
@@ -104,6 +104,7 @@ 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)
 MKYKBLOUT	.EQU	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 ;
 DSRTCENABLE	.EQU	FALSE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
@@ -281,13 +282,12 @@ PPI_SBC		.EQU	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
 UFENABLE	.EQU	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 UFBASE		.EQU	$0C		; UF: REGISTERS BASE ADR
 ;
-AUDIOTRACE	.EQU	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
 SN76489ENABLE	.EQU	FALSE		; SN76489 SOUND DRIVER
+AUDIOTRACE	.EQU	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
 SN7CLK		.EQU	CPUOSC / 4	; DEFAULT TO CPUOSC / 4
-
+;
 AY38910ENABLE	.EQU	FALSE		; AY: AY-3-8910 / YM2149 SOUND DRIVER
 AY_CLK		.EQU	CPUOSC / 4	; DEFAULT TO CPUOSC / 4
 AYMODE		.EQU	AYMODE_NONE	; AY: DRIVER MODE: AYMODE_[SCG/N8/RCZ80/RCZ180]
+;
 SPKENABLE	.EQU	FALSE		; SPK: ENABLE RTC LATCH IOBIT SOUND DRIVER (SPK.ASM)
-
-MSKENABLE	.EQU	FALSE		; MSX 5255 PPI KEYBOARD COMPATIBLE DRIVER (REQUIRES TMS VDA DRIVER)
diff --git a/Source/HBIOS/cfg_mk4.asm b/Source/HBIOS/cfg_mk4.asm
index d4e51cfb..7c06ca84 100644
--- a/Source/HBIOS/cfg_mk4.asm
+++ b/Source/HBIOS/cfg_mk4.asm
@@ -79,6 +79,7 @@ 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)
 MKYKBLOUT	.EQU	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 ;
 DSRTCENABLE	.EQU	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
@@ -213,13 +214,12 @@ PPI_SBC		.EQU	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
 UFENABLE	.EQU	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 UFBASE		.EQU	$0C		; UF: REGISTERS BASE ADR
 ;
-AUDIOTRACE	.EQU	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
 SN76489ENABLE	.EQU	FALSE		; SN76489 SOUND DRIVER
+AUDIOTRACE	.EQU	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
 SN7CLK		.EQU	CPUOSC / 4	; DEFAULT TO CPUOSC / 4
-
+;
 AY38910ENABLE	.EQU	FALSE		; AY: AY-3-8910 / YM2149 SOUND DRIVER
 AY_CLK		.EQU	CPUOSC / 4	; DEFAULT TO CPUOSC / 4
-AYMODE		.EQU	AYMODE_SCG	; AY: DRIVER MODE: AYMODE_[SCG/N8/RCZ80/RCZ180]
+AYMODE		.EQU	AYMODE_NONE	; AY: DRIVER MODE: AYMODE_[SCG/N8/RCZ80/RCZ180]
+;
 SPKENABLE	.EQU	FALSE		; SPK: ENABLE RTC LATCH IOBIT SOUND DRIVER (SPK.ASM)
-
-MSKENABLE	.EQU	FALSE		; MSX 5255 PPI KEYBOARD COMPATIBLE DRIVER (REQUIRES TMS VDA DRIVER)
diff --git a/Source/HBIOS/cfg_n8.asm b/Source/HBIOS/cfg_n8.asm
index 4b620372..a7fd8cfa 100644
--- a/Source/HBIOS/cfg_n8.asm
+++ b/Source/HBIOS/cfg_n8.asm
@@ -82,6 +82,7 @@ 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)
 MKYKBLOUT	.EQU	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 ;
 DSRTCENABLE	.EQU	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
@@ -213,13 +214,12 @@ PPI_SBC		.EQU	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
 UFENABLE	.EQU	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 FIFO_BASE	.EQU	$0C		; UF: REGISTERS BASE ADR
 ;
-AUDIOTRACE	.EQU	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
 SN76489ENABLE	.EQU	FALSE		; SN76489 SOUND DRIVER
+AUDIOTRACE	.EQU	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
 SN7CLK		.EQU	CPUOSC / 4	; DEFAULT TO CPUOSC / 4
-
-AY38910ENABLE	.EQU	TRUE		; AY: AY-3-8910 / YM2149 SOUND DRIVER
+;
+AY38910ENABLE	.EQU	FALSE		; AY: AY-3-8910 / YM2149 SOUND DRIVER
 AY_CLK		.EQU	CPUOSC / 4	; DEFAULT TO CPUOSC / 4
-AYMODE		.EQU	AYMODE_N8	; AY: DRIVER MODE: AYMODE_[SCG/N8/RCZ80/RCZ180]
+AYMODE		.EQU	AYMODE_NONE	; AY: DRIVER MODE: AYMODE_[SCG/N8/RCZ80/RCZ180]
+;
 SPKENABLE	.EQU	FALSE		; SPK: ENABLE RTC LATCH IOBIT SOUND DRIVER (SPK.ASM)
-
-MSKENABLE	.EQU	FALSE		; MSX 5255 PPI KEYBOARD COMPATIBLE DRIVER (REQUIRES TMS VDA DRIVER)
diff --git a/Source/HBIOS/cfg_rcz180.asm b/Source/HBIOS/cfg_rcz180.asm
index 873d2ea6..efc57567 100644
--- a/Source/HBIOS/cfg_rcz180.asm
+++ b/Source/HBIOS/cfg_rcz180.asm
@@ -75,6 +75,8 @@ 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)
+MKYENABLE	.EQU	FALSE		; MSX 5255 PPI KEYBOARD COMPATIBLE DRIVER (REQUIRES TMS VDA DRIVER)
+MKYKBLOUT	.EQU	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 ;
 DSRTCENABLE	.EQU	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 DSRTCMODE	.EQU	DSRTCMODE_STD	; DSRTC: OPERATING MODE: DSRTC_[STD|MFPIC]
@@ -225,13 +227,12 @@ PPI_SBC		.EQU	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
 ;
 UFENABLE	.EQU	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 ;
-AUDIOTRACE	.EQU	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
 SN76489ENABLE	.EQU	FALSE		; SN76489 SOUND DRIVER
+AUDIOTRACE	.EQU	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
 SN7CLK		.EQU	CPUOSC / 4	; DEFAULT TO CPUOSC / 4
-
+;
 AY38910ENABLE	.EQU	FALSE		; AY: AY-3-8910 / YM2149 SOUND DRIVER
 AY_CLK		.EQU	CPUOSC / 4	; DEFAULT TO CPUOSC / 4
-AYMODE		.EQU	AYMODE_RCZ180	; AY: DRIVER MODE: AYMODE_[SCG/N8/RCZ80/RCZ180]
+AYMODE		.EQU	AYMODE_NONE	; AY: DRIVER MODE: AYMODE_[SCG/N8/RCZ80/RCZ180]
+;
 SPKENABLE	.EQU	FALSE		; SPK: ENABLE RTC LATCH IOBIT SOUND DRIVER (SPK.ASM)
-
-MSKENABLE	.EQU	FALSE		; MSX 5255 PPI KEYBOARD COMPATIBLE DRIVER (REQUIRES TMS VDA DRIVER)
diff --git a/Source/HBIOS/cfg_rcz280.asm b/Source/HBIOS/cfg_rcz280.asm
index 8d0bb0e5..d6f505f0 100644
--- a/Source/HBIOS/cfg_rcz280.asm
+++ b/Source/HBIOS/cfg_rcz280.asm
@@ -80,6 +80,8 @@ 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)
+MKYENABLE	.EQU	FALSE		; MSX 5255 PPI KEYBOARD COMPATIBLE DRIVER (REQUIRES TMS VDA DRIVER)
+MKYKBLOUT	.EQU	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 ;
 DSRTCENABLE	.EQU	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 DSRTCMODE	.EQU	DSRTCMODE_STD	; DSRTC: OPERATING MODE: DSRTC_[STD|MFPIC]
@@ -241,13 +243,12 @@ PPI_SBC		.EQU	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
 ;
 UFENABLE	.EQU	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 ;
-AUDIOTRACE	.EQU	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
 SN76489ENABLE	.EQU	FALSE		; SN76489 SOUND DRIVER
-SN7CLK		.EQU	7372800 / 4	; DEFAULT TO CPUOSC / 4
-
+AUDIOTRACE	.EQU	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
+SN7CLK		.EQU	CPUOSC / 4	; DEFAULT TO CPUOSC / 4
+;
 AY38910ENABLE	.EQU	FALSE		; AY: AY-3-8910 / YM2149 SOUND DRIVER
-AY_CLK		.EQU	7372800 / 4	; DEFAULT TO CPUOSC / 4
-AYMODE		.EQU	AYMODE_RCZ80	; AY: DRIVER MODE: AYMODE_[SCG/N8/RCZ80/RCZ180]
+AY_CLK		.EQU	CPUOSC / 4	; DEFAULT TO CPUOSC / 4
+AYMODE		.EQU	AYMODE_NONE	; AY: DRIVER MODE: AYMODE_[SCG/N8/RCZ80/RCZ180]
+;
 SPKENABLE	.EQU	FALSE		; SPK: ENABLE RTC LATCH IOBIT SOUND DRIVER (SPK.ASM)
-
-MSKENABLE	.EQU	FALSE		; MSX 5255 PPI KEYBOARD COMPATIBLE DRIVER (REQUIRES TMS VDA DRIVER)
diff --git a/Source/HBIOS/cfg_rcz80.asm b/Source/HBIOS/cfg_rcz80.asm
index 7cf06c0f..7368a2bf 100644
--- a/Source/HBIOS/cfg_rcz80.asm
+++ b/Source/HBIOS/cfg_rcz80.asm
@@ -74,6 +74,7 @@ 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)
+MKYENABLE	.EQU	FALSE		; MSX 5255 PPI KEYBOARD COMPATIBLE DRIVER (REQUIRES TMS VDA DRIVER)
 MKYKBLOUT	.EQU	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 ;
 DSRTCENABLE	.EQU	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
@@ -231,13 +232,12 @@ PPI_SBC		.EQU	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
 ;
 UFENABLE	.EQU	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 ;
-AUDIOTRACE	.EQU	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
 SN76489ENABLE	.EQU	FALSE		; SN76489 SOUND DRIVER
+AUDIOTRACE	.EQU	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
 SN7CLK		.EQU	CPUOSC / 4	; DEFAULT TO CPUOSC / 4
-
+;
 AY38910ENABLE	.EQU	FALSE		; AY: AY-3-8910 / YM2149 SOUND DRIVER
 AY_CLK		.EQU	CPUOSC / 4	; DEFAULT TO CPUOSC / 4
-AYMODE		.EQU	AYMODE_RCZ80	; AY: DRIVER MODE: AYMODE_[SCG/N8/RCZ80/RCZ180]
+AYMODE		.EQU	AYMODE_NONE	; AY: DRIVER MODE: AYMODE_[SCG/N8/RCZ80/RCZ180]
+;
 SPKENABLE	.EQU	FALSE		; SPK: ENABLE RTC LATCH IOBIT SOUND DRIVER (SPK.ASM)
-
-MSKENABLE	.EQU	FALSE		; MSX 5255 PPI KEYBOARD COMPATIBLE DRIVER (REQUIRES TMS VDA DRIVER)
diff --git a/Source/HBIOS/cfg_sbc.asm b/Source/HBIOS/cfg_sbc.asm
index 5f57e0b4..423d37f8 100644
--- a/Source/HBIOS/cfg_sbc.asm
+++ b/Source/HBIOS/cfg_sbc.asm
@@ -74,6 +74,7 @@ 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)
 MKYKBLOUT	.EQU	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 ;
 DSRTCENABLE	.EQU	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
@@ -214,13 +215,12 @@ PPI_SBC		.EQU	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
 UFENABLE	.EQU	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 UFBASE		.EQU	$0C		; UF: REGISTERS BASE ADR
 ;
-AUDIOTRACE	.EQU	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
 SN76489ENABLE	.EQU	FALSE		; SN76489 SOUND DRIVER
+AUDIOTRACE	.EQU	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
 SN7CLK		.EQU	CPUOSC / 4	; DEFAULT TO CPUOSC / 4
 ;
 AY38910ENABLE	.EQU	FALSE		; AY: AY-3-8910 / YM2149 SOUND DRIVER
 AY_CLK		.EQU	CPUOSC / 4	; DEFAULT TO CPUOSC / 4
-AYMODE		.EQU	AYMODE_SCG	; AY: DRIVER MODE: AYMODE_[SCG/N8/RCZ80/RCZ180]
+AYMODE		.EQU	AYMODE_NONE	; AY: DRIVER MODE: AYMODE_[SCG/N8/RCZ80/RCZ180]
+;
 SPKENABLE	.EQU	FALSE		; SPK: ENABLE RTC LATCH IOBIT SOUND DRIVER (SPK.ASM)
-
-MSKENABLE	.EQU	FALSE		; MSX 5255 PPI KEYBOARD COMPATIBLE DRIVER (REQUIRES TMS VDA DRIVER)
diff --git a/Source/HBIOS/cfg_scz180.asm b/Source/HBIOS/cfg_scz180.asm
index 883750bf..81a9e06b 100644
--- a/Source/HBIOS/cfg_scz180.asm
+++ b/Source/HBIOS/cfg_scz180.asm
@@ -70,6 +70,8 @@ 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)
+MKYENABLE	.EQU	FALSE		; MSX 5255 PPI KEYBOARD COMPATIBLE DRIVER (REQUIRES TMS VDA DRIVER)
+MKYKBLOUT	.EQU	KBD_US		; KBD KEYBOARD LANGUAGE: KBD_[US|DE]
 ;
 DSRTCENABLE	.EQU	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 DSRTCMODE	.EQU	DSRTCMODE_STD	; DSRTC: OPERATING MODE: DSRTC_[STD|MFPIC]
@@ -220,13 +222,12 @@ PPI_SBC		.EQU	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
 ;
 UFENABLE	.EQU	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 ;
-AUDIOTRACE	.EQU	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
 SN76489ENABLE	.EQU	FALSE		; SN76489 SOUND DRIVER
+AUDIOTRACE	.EQU	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
 SN7CLK		.EQU	CPUOSC / 4	; DEFAULT TO CPUOSC / 4
-
+;
 AY38910ENABLE	.EQU	FALSE		; AY: AY-3-8910 / YM2149 SOUND DRIVER
 AY_CLK		.EQU	CPUOSC / 4	; DEFAULT TO CPUOSC / 4
 AYMODE		.EQU	AYMODE_RCZ180	; AY: DRIVER MODE: AYMODE_[SCG/N8/RCZ80/RCZ180]
+;
 SPKENABLE	.EQU	FALSE		; SPK: ENABLE RTC LATCH IOBIT SOUND DRIVER (SPK.ASM)
-
-MSKENABLE	.EQU	FALSE		; MSX 5255 PPI KEYBOARD COMPATIBLE DRIVER (REQUIRES TMS VDA DRIVER)
diff --git a/Source/HBIOS/cfg_zeta.asm b/Source/HBIOS/cfg_zeta.asm
index 9fcc1fe3..fd8b94a3 100644
--- a/Source/HBIOS/cfg_zeta.asm
+++ b/Source/HBIOS/cfg_zeta.asm
@@ -62,6 +62,7 @@ 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)
+MKYENABLE	.EQU	FALSE		; MSX 5255 PPI KEYBOARD COMPATIBLE DRIVER (REQUIRES TMS VDA DRIVER)
 ;
 DSRTCENABLE	.EQU	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 DSRTCMODE	.EQU	DSRTCMODE_STD	; DSRTC: OPERATING MODE: DSRTC_[STD|MFPIC]
@@ -155,13 +156,6 @@ PPI_SBC		.EQU	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
 ;
 UFENABLE	.EQU	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 ;
-AUDIOTRACE	.EQU	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
 SN76489ENABLE	.EQU	FALSE		; SN76489 SOUND DRIVER
-SN7CLK		.EQU	CPUOSC / 4	; DEFAULT TO CPUOSC / 4
-
 AY38910ENABLE	.EQU	FALSE		; AY: AY-3-8910 / YM2149 SOUND DRIVER
-AY_CLK		.EQU	CPUOSC / 4	; DEFAULT TO CPUOSC / 4
-AYMODE		.EQU	AYMODE_NONE	; AY: DRIVER MODE: AYMODE_[SCG/N8/RCZ80/RCZ180]
 SPKENABLE	.EQU	FALSE		; SPK: ENABLE RTC LATCH IOBIT SOUND DRIVER (SPK.ASM)
-
-MSKENABLE	.EQU	FALSE		; MSX 5255 PPI KEYBOARD COMPATIBLE DRIVER (REQUIRES TMS VDA DRIVER)
diff --git a/Source/HBIOS/cfg_zeta2.asm b/Source/HBIOS/cfg_zeta2.asm
index 4cdd909f..6271ca31 100644
--- a/Source/HBIOS/cfg_zeta2.asm
+++ b/Source/HBIOS/cfg_zeta2.asm
@@ -73,6 +73,7 @@ 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)
+MKYENABLE	.EQU	FALSE		; MSX 5255 PPI KEYBOARD COMPATIBLE DRIVER (REQUIRES TMS VDA DRIVER)
 ;
 DSRTCENABLE	.EQU	TRUE		; DSRTC: ENABLE DS-1302 CLOCK DRIVER (DSRTC.ASM)
 DSRTCMODE	.EQU	DSRTCMODE_STD	; DSRTC: OPERATING MODE: DSRTC_[STD|MFPIC]
@@ -166,13 +167,6 @@ PPI_SBC		.EQU	FALSE		; PIO: ENABLE PARALLEL PORT DRIVER FOR 8255 CHIP
 ;
 UFENABLE	.EQU	FALSE		; UF: ENABLE ECB USB FIFO DRIVER (UF.ASM)
 ;
-AUDIOTRACE	.EQU	FALSE		; ENABLE TRACING TO CONSOLE OF SOUND DRIVER
 SN76489ENABLE	.EQU	FALSE		; SN76489 SOUND DRIVER
-SN7CLK		.EQU	CPUOSC / 4	; DEFAULT TO CPUOSC / 4
-
 AY38910ENABLE	.EQU	FALSE		; AY: AY-3-8910 / YM2149 SOUND DRIVER
-AY_CLK		.EQU	CPUOSC / 4	; DEFAULT TO CPUOSC / 4
-AYMODE		.EQU	AYMODE_NONE	; AY: DRIVER MODE: AYMODE_[SCG/N8/RCZ80/RCZ180]
 SPKENABLE	.EQU	FALSE		; SPK: ENABLE RTC LATCH IOBIT SOUND DRIVER (SPK.ASM)
-
-MSKENABLE	.EQU	FALSE		; MSX 5255 PPI KEYBOARD COMPATIBLE DRIVER (REQUIRES TMS VDA DRIVER)
diff --git a/Source/HBIOS/hbios.asm b/Source/HBIOS/hbios.asm
index 72d55f97..cff99f0a 100644
--- a/Source/HBIOS/hbios.asm
+++ b/Source/HBIOS/hbios.asm
@@ -4668,12 +4668,12 @@ SIZ_PPK		.EQU	$ - ORG_PPK
 		.ECHO	" bytes.\n"
 #ENDIF
 ;
-#IF (MSKENABLE)
-ORG_MSXKEYB		.EQU	$
-  #INCLUDE "msxkeyb.asm"
-SIZ_MSXKEYB		.EQU	$ - ORG_MSXKEYB
-		.ECHO	"MSXKEYB occupies "
-		.ECHO	SIZ_MSXKEYB
+#IF (MKYENABLE)
+ORG_MKY		.EQU	$
+  #INCLUDE "mky.asm"
+SIZ_MKY		.EQU	$ - ORG_MKY
+		.ECHO	"MKY occupies "
+		.ECHO	SIZ_MKY
 		.ECHO	" bytes.\n"
 #ENDIF
 ;
@@ -5635,14 +5635,13 @@ PIO_MODE_STR:	.TEXT	"Output$"
 ; VIDEO DEVICE STRINGS
 ;
 PS_VDSTRREF:
-	.DW	PS_VDVDU, PS_VDCVDU, PS_VDNEC, PS_VDTMS, PS_VDVGA, PS_VDV9958
+	.DW	PS_VDVDU, PS_VDCVDU, PS_VDNEC, PS_VDTMS, PS_VDVGA
 ;
 PS_VDVDU	.TEXT	"VDU$"
 PS_VDCVDU	.TEXT	"CVDU$"
 PS_VDNEC	.TEXT	"NEC$"
 PS_VDTMS	.TEXT	"TMS$"
 PS_VDVGA	.TEXT	"VGA$"
-PS_VDV9958	.TEXT	"V9958-$"
 ;
 ; VIDEO TYPE STRINGS
 ;
diff --git a/Source/HBIOS/hbios.inc b/Source/HBIOS/hbios.inc
index ffb6bb9d..897cc8cc 100644
--- a/Source/HBIOS/hbios.inc
+++ b/Source/HBIOS/hbios.inc
@@ -200,7 +200,7 @@ VDADEV_CVDU	.EQU	$10		; ECB COLOR VDU - MOS 8563
 VDADEV_NEC	.EQU	$20		; ECB UPD7220 - NEC UPD7220
 VDADEV_TMS	.EQU	$30		; N8 ONBOARD VDA SUBSYSTEM - TMS 9918
 VDADEV_VGA	.EQU	$40		; ECB VGA3 - HITACHI HD6445
-VDADEV_V9958	.EQU	$50		; V9958 VDU
+;VDADEV_V9958	.EQU	$50		; V9958 VDU
 ;
 ; SOUND DEVICE IDS
 ;
diff --git a/Source/HBIOS/msxkeyb.asm b/Source/HBIOS/mky.asm
similarity index 100%
rename from Source/HBIOS/msxkeyb.asm
rename to Source/HBIOS/mky.asm
diff --git a/Source/HBIOS/tms.asm b/Source/HBIOS/tms.asm
index 48bceabf..87ede8dd 100644
--- a/Source/HBIOS/tms.asm
+++ b/Source/HBIOS/tms.asm
@@ -3,6 +3,7 @@
 ;
 ;	WRITTEN BY: DOUGLAS GOODALL
 ;	UPDATED BY: WAYNE WARTHEN -- 4/7/2013
+;       UPDATED BY: DEAN NETHERTON -- 5/26/2021 - V9958 SUPPORT
 ;======================================================================
 ;
 ; TODO:
@@ -19,7 +20,7 @@ TMSCTRL1:       .EQU   1               ; CONTROL BITS
 TMSINTEN:       .EQU   5               ; INTERRUPT ENABLE BIT
 
 #IF TMSTIMENABLE
-	.ECHO	"TMS/V9958 INTERRUPTS ENABLED\n"
+	.ECHO	"TMS INTERRUPTS ENABLED\n"
 #ENDIF
 
 #IF ((TMSMODE == TMSMODE_RC) | (TMSMODE == TMSMODE_RCV9958))
@@ -93,9 +94,9 @@ TERMENABLE	.SET	TRUE		; INCLUDE TERMINAL PSEUDODEVICE DRIVER
 ;
 TMS_PREINIT:
 	; DISABLE INTERRUPT GENERATION
-	LD	A, (TMS_INIT9918_REG_1)
+	LD	A, (TMS_INITVDU_REG_1)
         RES	TMSINTEN, A             ; RESET INTERRUPT ENABLE BIT
-	LD	(TMS_INIT9918_REG_1), A
+	LD	(TMS_INITVDU_REG_1), A
         LD	C, TMSCTRL1
 	JP	TMS_SET
 ;
@@ -112,11 +113,21 @@ TMS_INIT:
 	LD	IY,TMS_IDAT		; POINTER TO INSTANCE DATA
 ;
 	CALL	NEWLINE			; FORMATTING
+	PRTS("TMS: MODE=$")
+#IF (TMSMODE == TMSMODE_SCG)
+	PRTS("SCG$")
+#ENDIF
+#IF (TMSMODE == TMSMODE_N8)
+	PRTS("N8$")
+#ENDIF
+#IF (TMSMODE == TMSMODE_RC)
+	PRTS("RC$")
+#ENDIF
 #IF (TMSMODE == TMSMODE_RCV9958)
-	PRTS("V9958: IO=0x$")
-#ELSE
-	PRTS("TMS: IO=0x$")
+	PRTS("RC_V9958$")
 #ENDIF
+;
+	PRTS(" IO=0x$")
 	LD	A,TMS_DATREG
 	CALL	PRTHEXBYTE
 	CALL	TMS_PROBE		; CHECK FOR HW EXISTENCE
@@ -134,7 +145,7 @@ TMS_INIT1:
 #IF (TMSMODE == TMSMODE_N8)
 	CALL	PPK_INIT		; INITIALIZE KEYBOARD DRIVER
 #ELSE
-#IF MSKENABLE
+#IF MKYENABLE
 	CALL	MKY_INIT
 #ENDIF
 #ENDIF
@@ -144,9 +155,9 @@ TMS_INIT1:
 	LD	HL, TMS_TSTINT		; GET INT VECTOR
 	CALL	HB_ADDIM1		; ADD TO IM1 CALL LIST
 
-	LD	A, (TMS_INIT9918_REG_1)
+	LD	A, (TMS_INITVDU_REG_1)
         SET	TMSINTEN, A             ; SET INTERRUPT ENABLE BIT
-	LD	(TMS_INIT9918_REG_1), A
+	LD	(TMS_INITVDU_REG_1), A
         LD	C, TMSCTRL1
 	CALL	TMS_SET
 #ENDIF
@@ -187,7 +198,7 @@ TMS_FNTBL:
 	.DW	PPK_FLUSH
 	.DW	PPK_READ
 #ELSE
-#IF MSKENABLE
+#IF MKYENABLE
 	.DW	MKY_STAT
 	.DW	MKY_FLUSH
 	.DW	MKY_READ
@@ -239,11 +250,7 @@ TMS_VDARES1:	; ENTRY POINT TO AVOID TMS_Z180IO RECURSION
 	RET
 
 TMS_VDADEV:
-#IF (TMSMODE == TMSMODE_RCV9958)
-	LD	D, VDADEV_V9958
-#ELSE
 	LD	D,VDADEV_TMS	; D := DEVICE TYPE
-#ENDIF
 	LD	E,0		; E := PHYSICAL UNIT IS ALWAYS ZERO
 	LD	H,TMSMODE	; H := MODE
 	LD	L,TMS_DATREG	; L := BASE I/O ADDRESS
@@ -456,8 +463,8 @@ TMS_CRTINIT1:
 ;
 	; INITIALIZE VDU REGISTERS
     	LD 	C,0			; START WITH REGISTER 0
-	LD	B,TMS_INIT9918LEN	; NUMBER OF REGISTERS TO INIT
-    	LD 	HL,TMS_INIT9918		; HL = POINTER TO THE DEFAULT VALUES
+	LD	B,TMS_INITVDULEN	; NUMBER OF REGISTERS TO INIT
+    	LD 	HL,TMS_INITVDU		; HL = POINTER TO THE DEFAULT VALUES
 TMS_CRTINIT2:
 	LD	A,(HL)			; GET VALUE
 	CALL	TMS_SET			; WRITE IT
@@ -837,7 +844,7 @@ TMS_TSTINT:
 
 TMS_INTHNDL:
 
-#IF MSKENABLE
+#IF MKYENABLE
 	CALL	MKY_INT
 #ENDIF
 
@@ -913,9 +920,9 @@ TMS_PORTS:
 ; INT		Set at each screen update, used for interrupts.
 ;
 #IF (TMSMODE == TMSMODE_RCV9958)
-TMS_INIT9918:
+TMS_INITVDU:
 	.DB	$04		; REG 0 - NO EXTERNAL VID, SET M4 = 1
-TMS_INIT9918_REG_1:
+TMS_INITVDU_REG_1:
 	.DB	$50		; REG 1 - ENABLE SCREEN, SET MODE 1
 	.DB	$03		; REG 2 - PATTERN NAME TABLE := 0
 	.DB	$00		; REG 3 - NO COLOR TABLE
@@ -929,9 +936,9 @@ TMS_INIT9918_REG_1:
 	.DB	$00		; REG 10 - COLOUR TABLE A14-A16 (TMS_FNTVADDR - $1000)
 
 #ELSE ; TMS REGISTER SET
-TMS_INIT9918:
+TMS_INITVDU:
 	.DB	$00		; REG 0 - NO EXTERNAL VID
-TMS_INIT9918_REG_1:
+TMS_INITVDU_REG_1:
 	.DB	$50		; REG 1 - ENABLE SCREEN, SET MODE 1
 	.DB	$00		; REG 2 - PATTERN NAME TABLE := 0
 	.DB	$00		; REG 3 - NO COLOR TABLE
@@ -941,17 +948,13 @@ TMS_INIT9918_REG_1:
 	.DB	$F0		; REG 7 - WHITE ON BLACK
 #ENDIF
 ;
-TMS_INIT9918LEN	.EQU	$ - TMS_INIT9918
+TMS_INITVDULEN	.EQU	$ - TMS_INITVDU
 ;
 ;
 #IF (CPUFAM == CPU_Z180)
 TMS_DCNTL	.DB	$00	; SAVE Z180 DCNTL AS NEEDED
 #ENDIF
-
-#IF (TMSMODE == TMSMODE_RCV9958)
-	.ECHO	"V9958 instance data occupies "
-#ELSE
+;
 	.ECHO	"TMS instance data occupies "
-#ENDIF
 	.ECHO	$ - TMS_IDAT
 	.ECHO	" bytes\n"
diff --git a/Source/ver.inc b/Source/ver.inc
index a6c0fe1e..e347547d 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.77"
+#DEFINE BIOSVER	"3.1.1-pre.78"
diff --git a/Source/ver.lib b/Source/ver.lib
index e259b3c2..a7aeb093 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.77"
+	db	"3.1.1-pre.78"
 	endm