diff --git a/Binary/RomList.txt b/Binary/RomList.txt
index ba8ac9ab..6bf96483 100644
--- a/Binary/RomList.txt
+++ b/Binary/RomList.txt
@@ -36,6 +36,7 @@ image to use for each platform:
 	RC2014 w/ Z180	RCZ180_ext.rom	(external 512K RAM/ROM module)
 	SC-series	SC126, SC130
 	Easy Z80	EZZ180_std.rom
+	Dyno		DYNO_std.rom
 
 You will find there is one additional ROM image called 
 "UNA_std.rom". This ROM image is an UNA-based RomWBW ROM image.  As 
@@ -190,10 +191,18 @@ SCZ180 (SCZ180_126.rom & SCZ180_130.rom):
  - Support for alternative serial modules may be enabled in config
  - Support for Scott Baker floppy controllers (SMC & WDC) may
    be enabled in config
- - The _126 and _130 varians are functionally identical, they just
+ - The _126 and _130 variants are functionally identical, they just
    display a different system label at startup
 
 EZZ80 (EZZ80_std.rom):
  - Assumes CPU oscillator of 10.000 MHz
  - Includes support for on-board SIO
  - Includes support for IDE via RC bus
+
+DYNO (DYNO_std.rom):
+ - Assumes CPU oscillator of 18.432 MHz
+ - Console attached to Z180 onboard serial ports at 38400 baud
+ - Includes support for BQ4842 RTC
+ - Includes support for onboard PPIDE
+ - Console attached to Z180 onboard serial ports at 38400 baud
+ - Support for Dyno floppy controllers may be enabled in config
diff --git a/Doc/ChangeLog.txt b/Doc/ChangeLog.txt
index 64140634..7a3b8ebb 100644
--- a/Doc/ChangeLog.txt
+++ b/Doc/ChangeLog.txt
@@ -34,7 +34,7 @@ Version 2.9.2
 - PLS: Enhanced Intel Hex Load in dbgmon
 - WBW: Overhaul disk image creation
 - WBW: Added support for Dyno platform (based on work by Steve Garcia)
-- S?G: Added support for BQ4845 RTC (bqrtc.asm)
+- SLG: Added support for BQ4845 RTC (bqrtc.asm)
 - PMS: Added 80x30 video mode to VGA3 driver
 - PMS: Added 80x43 video mode
 - PMS: Added font compression option
diff --git a/Source/HBIOS/hbios.asm b/Source/HBIOS/hbios.asm
index acf72111..6dc70e02 100644
--- a/Source/HBIOS/hbios.asm
+++ b/Source/HBIOS/hbios.asm
@@ -918,21 +918,21 @@ HB_START1:				; BNKCALL ARRIVES HERE, BUT NOW RUNNING IN RAM BANK
 ;
 ;	PLATFORM SPECIFIC CODE FOR DETECTING RECOVERY MODE SWITCH
 ;
-#IF	(BT_REC_TYPE!=BT_REC_NONE)
- #IF (BT_REC_TYPE==BT_REC_FORCE)
+#IF (BT_REC_TYPE != BT_REC_NONE)
+  #IF (BT_REC_TYPE == BT_REC_FORCE)
 	LD	A,1			; SET FOR RECOVERY MODE
 	LD	(HB_BOOT_REC),A		; SAVE FOR LATER
- #ENDIF
- #IF (PLATFORM == PLT_SBC)
-  #IF (BT_REC_TYPE==BT_REC_SBC01)
- 	LD	A,%00100000		; DISABLE RTC AND
+  #ENDIF
+  #IF (PLATFORM == PLT_SBC)
+    #IF (BT_REC_TYPE == BT_REC_SBC01)
+	LD	A,%00100000		; DISABLE RTC AND
 	OUT	(RTCIO),A		; DRQ DRIVER READ
 	IN	A,(RTCIO)		; BIT 0 (DRQ). 
 	CPL				; PULLED HIGH
 	AND	1			; IS RECOVERY MODE
 	LD	(HB_BOOT_REC),A		; SAVE FOR LATER
-  #ENDIF
-  #IF (BT_REC_TYPE==BT_REC_SBC02)
+    #ENDIF
+    #IF (BT_REC_TYPE == BT_REC_SBC02)
 	IN	A,(RTCIO)		; RTC PORT, BIT 6 HAS THE
 	BIT	6,A			; STATE OF CONFIG JUMPER
 	LD	A,1			; JUMPER INSTALLED 
@@ -940,8 +940,8 @@ HB_START1:				; BNKCALL ARRIVES HERE, BUT NOW RUNNING IN RAM BANK
 	LD	A,0
 SAVE_REC_M:
 	LD	(HB_BOOT_REC),A		; SAVE FOR LATER
+    #ENDIF
   #ENDIF
- #ENDIF
 #ENDIF
 ;
 	DIAG(%00001111)
@@ -1189,7 +1189,7 @@ HB_CPU2:
 	LD	B,PC_INITTBLLEN
 	POP	DE								; POP (1) DE IS ADDRESS OF TOP OF TABLE
 
-#IF	(BT_REC_TYPE!=BT_REC_NONE)
+#IF (BT_REC_TYPE != BT_REC_NONE)
 	LD	A,(HB_BOOT_REC)		; IF WE ARE IN RECOVERY MODE
 	OR	A			; POINT TO THE RECOVER MODE
 	JR	Z,NOT_REC_M0		; INITIALIZATION TABLE
@@ -1372,15 +1372,16 @@ HB_SPDTST:
 ;
 	CALL	NEWLINE
 
-#IF	(BT_REC_TYPE!=BT_REC_NONE)
+#IF (BT_REC_TYPE != BT_REC_NONE)
 	LD	A,(HB_BOOT_REC)		; IF WE ARE IN RECOVERY MODE
 	OR	A			; POINT TO THE RECOVER MODE
 	JR	Z,NOT_REC_M1		; INITIALIZATION TABLE
 	LD	B,HB_INITRLEN
 	LD	DE,HB_INIT_REC
 	JR	IS_REC_M1	
-NOT_REC_M1:
 #ENDIF
+
+NOT_REC_M1:
 	LD	B,HB_INITTBLLEN
 	LD	DE,HB_INITTBL
 IS_REC_M1:
@@ -1485,7 +1486,6 @@ CALLLIST:
 CALLDUMMY:
 	RET
 
-#IF	(BT_REC_TYPE!=BT_REC_NONE)
 ;
 ;==================================================================================================
 ;   TABLE OF RECOVERY MODE INITIALIZATION ENTRY POINTS
@@ -1493,25 +1493,28 @@ CALLDUMMY:
 ;
 ; USE "CALLDUMMY" IF NO ENTRY REQUIRED
 ;
+#IF (BT_REC_TYPE != BT_REC_NONE)
+;
 PC_INIT_REC:
-#IF	(PLATFORM == PLT_SBC)
+  #IF (PLATFORM == PLT_SBC)
 	.DW	UART_PREINIT
 ;	.DW	CALLDUMMY
-#ENDIF
+  #ENDIF
 PC_INITRLEN	.EQU	(($ - PC_INIT_REC) / 2)
 ;
 HB_INIT_REC:
-#IF	(PLATFORM == PLT_SBC)
+  #IF (PLATFORM == PLT_SBC)
 	.DW	UART_INIT
 	.DW	MD_INIT
-#ENDIF
+  #ENDIF
 HB_INITRLEN	.EQU	(($ - HB_INIT_REC) / 2)
 ;
 #ENDIF
+;
 ;==================================================================================================
 ;   TABLE OF PRE-CONSOLE INITIALIZATION ENTRY POINTS
 ;==================================================================================================
-
+;
 PC_INITTBL:
 	.DW	CALLDUMMY	; RESERVED FOR FORCING PRIMARY CONSOLE
 #IF (ASCIENABLE)
@@ -3986,7 +3989,7 @@ RTCVAL		.DB	0		; SHADOW VALUE FOR RTC LATCH PORT
 ;
 HB_BATCOND	.DB	0		; BATTERY CONDITION (0=LOW, 1=OK)
 ;
-#IF	(BT_REC_TYPE!=BT_REC_NONE)
+#IF (BT_REC_TYPE != BT_REC_NONE)
 HB_BOOT_REC	.DB	0		; BOOT MODE (0=NORMAL, 1=RECOVERY MODE)
 #ENDIF
 ;