diff --git a/Source/HBIOS/Config/MBC_ddw.asm b/Source/HBIOS/Config/MBC_ddw.asm
deleted file mode 100644
index b4bd0006..00000000
--- a/Source/HBIOS/Config/MBC_ddw.asm
+++ /dev/null
@@ -1,59 +0,0 @@
-;
-;==================================================================================================
-;   MBC CONFIGURATION
-;==================================================================================================
-;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
-;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
-;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
-;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
-;
-#DEFINE PLATFORM_NAME "Multi Board Computer"
-#DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
-;
-#include "cfg_mbc.asm"
-;
-CPUOSC		.EQU	4000000		; CPU OSC FREQ IN MHZ
-;
-BATCOND		.SET	FALSE
-;
-PPIDEENABLE	.SET	TRUE		; PPIDE: ENABLE PARALLEL PORT IDE DISK DRIVER (PPIDE.ASM)
-;
-DSKYENABLE	.SET	TRUE		; ENABLES DSKY
-DSKYMODE	.SET	DSKYMODE_NG	; DSKY VERTSION: DSKYMODE_[V1|NG]
-DSKYOSC         .SET    1000000
-;
-FDENABLE	.EQU	TRUE		; FD: ENABLE FLOPPY DISK DRIVER (FD.ASM)
-
-;DIAGLVL		.EQU	DL_VERBOSE
-
-DMAENABLE	.EQU	TRUE		; DMA: ENABLE DMA DRIVER (DMA.ASM)
-DMABASE		.EQU	$E0		; DMA: DMA BASE ADDRESS
-DMAMODE		.EQU	DMAMODE_MBC	; DMA: DMA MODE (NONE|ECB|Z180|Z280|RC|MBC)
-
-CVDUMODE .EQU CVDUMODE_MBC ; CVDU: CVDU MODE: CVDUMODE_[NONE|ECB|MBC]
-CVDUMON .EQU CVDUMON_CGA ; CVDU: CVDU MONITOR SETUP: CVDUMON_[NONE|CGA|EGA]
-
-INTMODE         .SET    2
-CTCENABLE       .SET    TRUE            ; ENABLE ZILOG CTC SUPPORT
-
-AY38910ENABLE	.EQU	TRUE		; AY: AY-3-8910 / YM2149 SOUND DRIVER
-AY_CLK		.EQU	CPUOSC / 2	; DEFAULT TO CPUOSC / 4
-AYMODE		.EQU	AYMODE_MBC	; AY: DRIVER MODE: AYMODE_[SCG|N8|RCZ80|RCZ180|MSX|LINC]
-
-TMSENABLE	.EQU	TRUE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-TMSMODE		.EQU	TMSMODE_MBC	; TMS: DRIVER MODE: TMSMODE_[SCG|MBC|N8|RC|RCV9958|RCKBD]
\ No newline at end of file
diff --git a/Source/HBIOS/Config/RPH_ddw.asm b/Source/HBIOS/Config/RPH_ddw.asm
deleted file mode 100644
index a5823b2a..00000000
--- a/Source/HBIOS/Config/RPH_ddw.asm
+++ /dev/null
@@ -1,39 +0,0 @@
-;
-;==================================================================================================
-;   RPH STANDARD CONFIGURATION
-;==================================================================================================
-;
-; THE COMPLETE SET OF DEFAULT CONFIGURATION SETTINGS FOR THIS PLATFORM ARE FOUND IN THE
-; CFG_<PLT>.ASM INCLUDED FILE WHICH IS FOUND IN THE PARENT DIRECTORY.  THIS FILE CONTAINS
-; COMMON CONFIGURATION SETTINGS THAT OVERRIDE THE DEFAULTS.  IT IS INTENDED THAT YOU MAKE
-; YOUR CUSTOMIZATIONS IN THIS FILE AND JUST INHERIT ALL OTHER SETTINGS FROM THE DEFAULTS.
-; EVEN BETTER, YOU CAN MAKE A COPY OF THIS FILE WITH A NAME LIKE <PLT>_XXX.ASM AND SPECIFY
-; YOUR FILE IN THE BUILD PROCESS.
-;
-; THE SETTINGS BELOW ARE THE SETTINGS THAT ARE MOST COMMONLY MODIFIED FOR THIS PLATFORM.
-; MANY OF THEM ARE EQUAL TO THE SETTINGS IN THE INCLUDED FILE, SO THEY DON'T REALLY DO
-; ANYTHING AS IS.  THEY ARE LISTED HERE TO MAKE IT EASY FOR YOU TO ADJUST THE MOST COMMON
-; SETTINGS.
-;
-; N.B., SINCE THE SETTINGS BELOW ARE REDEFINING VALUES ALREADY SET IN THE INCLUDED FILE,
-; TASM INSISTS THAT YOU USE THE .SET OPERATOR AND NOT THE .EQU OPERATOR BELOW. ATTEMPTING
-; TO REDEFINE A VALUE WITH .EQU BELOW WILL CAUSE TASM ERRORS!
-;
-; PLEASE REFER TO THE CUSTOM BUILD INSTRUCTIONS (README.TXT) IN THE SOURCE DIRECTORY (TWO
-; DIRECTORIES ABOVE THIS ONE).
-;
-#DEFINE	BOOT_DEFAULT	"H"		; DEFAULT BOOT LOADER CMD ON <CR> OR AUTO BOOT
-;
-#include "cfg_rph.asm"
-;
-CPUOSC		.SET	18432000	; CPU OSC FREQ IN MHZ
-;
-INTMODE		.SET	0		; INTERRUPTS: 0=NONE, 1=MODE 1, 2=MODE 2, 3=MODE 3 (Z280)
-;
-Z180_CLKDIV	.SET	1		; Z180: CHK DIV: 0=OSC/2, 1=OSC, 2=OSC*2
-Z180_MEMWAIT	.SET	0		; Z180: MEMORY WAIT STATES (0-3)
-Z180_IOWAIT	.SET	1		; Z180: I/O WAIT STATES TO ADD ABOVE 1 W/S BUILT-IN (0-3)
-;
-CRTACT		.SET	FALSE		; ACTIVATE CRT (VDU,CVDU,PROPIO,ETC) AT STARTUP
-;
-PPIDEENABLE	.SET	TRUE		; PPIDE: ENABLE PARALLEL PORT IDE DISK DRIVER (PPIDE.ASM)
diff --git a/Source/HBIOS/cfg_dyno.asm b/Source/HBIOS/cfg_dyno.asm
index a5d8b9e4..bf106d46 100644
--- a/Source/HBIOS/cfg_dyno.asm
+++ b/Source/HBIOS/cfg_dyno.asm
@@ -118,7 +118,7 @@ VDUENABLE	.EQU	FALSE		; VDU: ENABLE VDU VIDEO/KBD DRIVER (VDU.ASM)
 CVDUENABLE	.EQU	FALSE		; CVDU: ENABLE CVDU VIDEO/KBD DRIVER (CVDU.ASM)
 GDCENABLE	.EQU	FALSE		; GDC: ENABLE 7220 GDC VIDEO/KBD DRIVER (GDC.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]
+TMSMODE		.EQU	TMSMODE_NONE	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MBC|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 45643c7e..8547b7aa 100644
--- a/Source/HBIOS/cfg_ezz80.asm
+++ b/Source/HBIOS/cfg_ezz80.asm
@@ -155,7 +155,7 @@ VDUENABLE	.EQU	FALSE		; VDU: ENABLE VDU VIDEO/KBD DRIVER (VDU.ASM)
 CVDUENABLE	.EQU	FALSE		; CVDU: ENABLE CVDU VIDEO/KBD DRIVER (CVDU.ASM)
 GDCENABLE	.EQU	FALSE		; GDC: ENABLE 7220 GDC VIDEO/KBD DRIVER (GDC.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]
+TMSMODE		.EQU	TMSMODE_NONE	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MBC|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 486f853b..fcf194c1 100644
--- a/Source/HBIOS/cfg_master.asm
+++ b/Source/HBIOS/cfg_master.asm
@@ -215,7 +215,7 @@ GDCENABLE	.EQU	FALSE		; GDC: ENABLE 7220 GDC VIDEO/KBD DRIVER (GDC.ASM)
 GDCMODE		.EQU	GDCMODE_RPH	; GDC: GDC MODE: GDCMODE_[NONE|ECB|RPH]
 GDCMON		.EQU	GDCMON_EGA      ; GDC: GDC MONITOR SETUP: GDCMON_[NONE|CGA|EGA]
 TMSENABLE	.EQU	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-TMSMODE		.EQU	TMSMODE_NONE	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|RC|RCV9958|RCKBD]
+TMSMODE		.EQU	TMSMODE_NONE	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MBC|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 5685e193..b6e0becf 100644
--- a/Source/HBIOS/cfg_mbc.asm
+++ b/Source/HBIOS/cfg_mbc.asm
@@ -142,8 +142,8 @@ CVDUENABLE	.EQU	TRUE		; CVDU: ENABLE CVDU VIDEO/KBD DRIVER (CVDU.ASM)
 CVDUMODE	.EQU	CVDUMODE_MBC	; CVDU: CVDU MODE: CVDUMODE_[NONE|ECB|MBC]
 CVDUMON		.EQU	CVDUMON_CGA	; CVDU: CVDU MONITOR SETUP: CVDUMON_[NONE|CGA|EGA]
 GDCENABLE	.EQU	FALSE		; GDC: ENABLE 7220 GDC VIDEO/KBD DRIVER (GDC.ASM)
-TMSENABLE	.EQU	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-TMSMODE		.EQU	TMSMODE_SCG	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MBC|RC|RCV9958|RCKBD]
+TMSENABLE	.EQU	TRUE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
+TMSMODE		.EQU	TMSMODE_MBC	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MBC|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 f85a8924..2c8b2854 100644
--- a/Source/HBIOS/cfg_mk4.asm
+++ b/Source/HBIOS/cfg_mk4.asm
@@ -143,7 +143,7 @@ CVDUMODE	.EQU	CVDUMODE_ECB	; CVDU: CVDU MODE: CVDUMODE_[NONE|ECB|MBC]
 CVDUMON		.EQU	CVDUMON_EGA	; CVDU: CVDU MONITOR SETUP: CVDUMON_[NONE|CGA|EGA]
 GDCENABLE	.EQU	FALSE		; GDC: ENABLE 7220 GDC VIDEO/KBD DRIVER (GDC.ASM)
 TMSENABLE	.EQU	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-TMSMODE		.EQU	TMSMODE_SCG	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|RC|RCV9958|RCKBD]
+TMSMODE		.EQU	TMSMODE_SCG	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MBC|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 fd3886de..a49c971e 100644
--- a/Source/HBIOS/cfg_n8.asm
+++ b/Source/HBIOS/cfg_n8.asm
@@ -145,7 +145,7 @@ CVDUMODE	.EQU	CVDUMODE_ECB	; CVDU: CVDU MODE: CVDUMODE_[NONE|ECB|MBC]
 CVDUMON		.EQU	CVDUMON_EGA	; CVDU: CVDU MONITOR SETUP: CVDUMON_[NONE|CGA|EGA]
 GDCENABLE	.EQU	FALSE		; GDC: ENABLE 7220 GDC VIDEO/KBD DRIVER (GDC.ASM)
 TMSENABLE	.EQU	TRUE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-TMSMODE		.EQU	TMSMODE_N8	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|RC|RCV9958|RCKBD]
+TMSMODE		.EQU	TMSMODE_N8	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MBC|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 e39f4f4e..7d0eda26 100644
--- a/Source/HBIOS/cfg_rcz180.asm
+++ b/Source/HBIOS/cfg_rcz180.asm
@@ -162,7 +162,7 @@ VDUENABLE	.EQU	FALSE		; VDU: ENABLE VDU VIDEO/KBD DRIVER (VDU.ASM)
 CVDUENABLE	.EQU	FALSE		; CVDU: ENABLE CVDU VIDEO/KBD DRIVER (CVDU.ASM)
 GDCENABLE	.EQU	FALSE		; GDC: ENABLE 7220 GDC VIDEO/KBD DRIVER (GDC.ASM)
 TMSENABLE	.EQU	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-TMSMODE		.EQU	TMSMODE_RC	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|RC|RCV9958|RCKBD]
+TMSMODE		.EQU	TMSMODE_RC	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MBC|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 ea4a1b2b..c0ff8a93 100644
--- a/Source/HBIOS/cfg_rcz280.asm
+++ b/Source/HBIOS/cfg_rcz280.asm
@@ -177,7 +177,7 @@ VDUENABLE	.EQU	FALSE		; VDU: ENABLE VDU VIDEO/KBD DRIVER (VDU.ASM)
 CVDUENABLE	.EQU	FALSE		; CVDU: ENABLE CVDU VIDEO/KBD DRIVER (CVDU.ASM)
 GDCENABLE	.EQU	FALSE		; GDC: ENABLE 7220 GDC VIDEO/KBD DRIVER (GDC.ASM)
 TMSENABLE	.EQU	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-TMSMODE		.EQU	TMSMODE_RC	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|RC|RCV9958|RCKBD]
+TMSMODE		.EQU	TMSMODE_RC	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MBC|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 9b3430c1..f135ac21 100644
--- a/Source/HBIOS/cfg_rcz80.asm
+++ b/Source/HBIOS/cfg_rcz80.asm
@@ -166,7 +166,7 @@ VDUENABLE	.EQU	FALSE		; VDU: ENABLE VDU VIDEO/KBD DRIVER (VDU.ASM)
 CVDUENABLE	.EQU	FALSE		; CVDU: ENABLE CVDU VIDEO/KBD DRIVER (CVDU.ASM)
 GDCENABLE	.EQU	FALSE		; GDC: ENABLE 7220 GDC VIDEO/KBD DRIVER (GDC.ASM)
 TMSENABLE	.EQU	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-TMSMODE		.EQU	TMSMODE_RC	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|RC|RCV9958|RCKBD]
+TMSMODE		.EQU	TMSMODE_RC	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MBC|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_rph.asm b/Source/HBIOS/cfg_rph.asm
index dc012643..c94677bc 100644
--- a/Source/HBIOS/cfg_rph.asm
+++ b/Source/HBIOS/cfg_rph.asm
@@ -145,7 +145,7 @@ GDCENABLE	.EQU	TRUE		; GDC: ENABLE 7220 GDC VIDEO/KBD DRIVER (GDC.ASM)
 GDCMODE		.EQU	GDCMODE_RPH	; GDC: GDC MODE: GDCMODE_[NONE|ECB|RPH]
 GDCMON		.EQU	GDCMON_EGA      ; GDC: GDC MONITOR SETUP: GDCMON_[NONE|CGA|EGA]
 TMSENABLE	.EQU	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-TMSMODE		.EQU	TMSMODE_N8	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|RC|RCV9958|RCKBD]
+TMSMODE		.EQU	TMSMODE_N8	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MBC|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_sbc.asm b/Source/HBIOS/cfg_sbc.asm
index 70fd499f..0e59c183 100644
--- a/Source/HBIOS/cfg_sbc.asm
+++ b/Source/HBIOS/cfg_sbc.asm
@@ -143,7 +143,7 @@ CVDUMODE	.EQU	CVDUMODE_ECB	; CVDU: CVDU MODE: CVDUMODE_[NONE|ECB|MBC]
 CVDUMON		.EQU	CVDUMON_EGA	; CVDU: CVDU MONITOR SETUP: CVDUMON_[NONE|CGA|EGA]
 GDCENABLE	.EQU	FALSE		; GDC: ENABLE 7220 GDC VIDEO/KBD DRIVER (GDC.ASM)
 TMSENABLE	.EQU	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-TMSMODE		.EQU	TMSMODE_SCG	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|RC|RCV9958|RCKBD]
+TMSMODE		.EQU	TMSMODE_SCG	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MBC|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 f3156f6c..3a7e4149 100644
--- a/Source/HBIOS/cfg_scz180.asm
+++ b/Source/HBIOS/cfg_scz180.asm
@@ -157,7 +157,7 @@ VDUENABLE	.EQU	FALSE		; VDU: ENABLE VDU VIDEO/KBD DRIVER (VDU.ASM)
 CVDUENABLE	.EQU	FALSE		; CVDU: ENABLE CVDU VIDEO/KBD DRIVER (CVDU.ASM)
 GDCENABLE	.EQU	FALSE		; GDC: ENABLE 7220 GDC VIDEO/KBD DRIVER (GDC.ASM)
 TMSENABLE	.EQU	FALSE		; TMS: ENABLE TMS9918 VIDEO/KBD DRIVER (TMS.ASM)
-TMSMODE		.EQU	TMSMODE_RC	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|RC|RCV9958|RCKBD]
+TMSMODE		.EQU	TMSMODE_RC	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MBC|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 e514f97d..3b16bca2 100644
--- a/Source/HBIOS/cfg_zeta.asm
+++ b/Source/HBIOS/cfg_zeta.asm
@@ -116,7 +116,7 @@ VDUENABLE	.EQU	FALSE		; VDU: ENABLE VDU VIDEO/KBD DRIVER (VDU.ASM)
 CVDUENABLE	.EQU	FALSE		; CVDU: ENABLE CVDU VIDEO/KBD DRIVER (CVDU.ASM)
 GDCENABLE	.EQU	FALSE		; GDC: ENABLE 7220 GDC VIDEO/KBD DRIVER (GDC.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]
+TMSMODE		.EQU	TMSMODE_NONE	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MBC|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 cda1d368..27f5bbb3 100644
--- a/Source/HBIOS/cfg_zeta2.asm
+++ b/Source/HBIOS/cfg_zeta2.asm
@@ -127,7 +127,7 @@ VDUENABLE	.EQU	FALSE		; VDU: ENABLE VDU VIDEO/KBD DRIVER (VDU.ASM)
 CVDUENABLE	.EQU	FALSE		; CVDU: ENABLE CVDU VIDEO/KBD DRIVER (CVDU.ASM)
 GDCENABLE	.EQU	FALSE		; GDC: ENABLE 7220 GDC VIDEO/KBD DRIVER (GDC.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]
+TMSMODE		.EQU	TMSMODE_NONE	; TMS: DRIVER MODE: TMSMODE_[SCG|N8|MBC|RC|RCV9958|RCKBD]
 TMSTIMENABLE	.EQU	FALSE		; TMS: ENABLE TIMER INTERRUPTS (REQUIRES IM1)
 VGAENABLE	.EQU	FALSE		; VGA: ENABLE VGA VIDEO/KBD DRIVER (VGA.ASM)
 ;