Finalize RC2014 floppy updates

RC2014 floppy controller support completed and tested for Scott Baker
SMC and WDC controller modules.  FDU application updated as well.

Source/Apps/FDU/FDU.asm

@@ -38,6 +38,9 @@
 ;			DYNAMIC FDC SELECTION AT STARTUP
 ;			DYNAMIC CPU SPEED ADJUSTMENT
 ;   2017-12-16: V5.1	IMPROVED POLLING READ/WRITE PERFORMANCE
+;   2018-01-08: V5.2	ADDED RC2014 SUPPORT FOR:
+;			- SCOTT BAKER (SMB) SMC 9266 FDC
+;			- SCOTT BAKER (SMB) WDC 37C65 FDC
 ;			
 ;_______________________________________________________________________________
 ;
@@ -63,6 +66,8 @@ FDC_ZETA	.EQU		2
 FDC_ZETA2	.EQU		3
 FDC_DIDE	.EQU		4
 FDC_N8		.EQU		5
+FDC_RCSMC	.EQU		6
+FDC_RCWDC	.EQU		7
 ;
 _DIO		.EQU		1 << FDC_DIO
 _DIO3		.EQU		1 << FDC_DIO3
@@ -70,6 +75,8 @@ _ZETA		.EQU		1 << FDC_ZETA
 _ZETA2		.EQU		1 << FDC_ZETA2
 _DIDE		.EQU		1 << FDC_DIDE
 _N8		.EQU		1 << FDC_N8
+_RCSMC		.EQU		1 << FDC_RCSMC
+_RCWDC		.EQU		1 << FDC_RCWDC
 ;
 FALSE		.EQU		0
 TRUE		.EQU		~FALSE
@@ -197,7 +204,7 @@ INIT5:
 	XOR	A
 	RET
 		
-STR_BANNER	.DB	"Floppy Disk Utility (FDU) v5.1, 16-Dec-2017$"
+STR_BANNER	.DB	"Floppy Disk Utility (FDU) v5.2, 08-Jan-2018$"
 STR_BANNER2	.DB	"Copyright (C) 2017, Wayne Warthen, GNU GPL v3","$"
 STR_HBIOS	.DB	" [HBIOS]$"
 STR_UBIOS	.DB	" [UBIOS]$"
@@ -276,6 +283,8 @@ FDCTBL:	;	LABEL		CONFIG DATA
 	.DW	STR_ZETA2,	CFG_ZETA2
 	.DW	STR_DIDE,	CFG_DIDE
 	.DW	STR_N8,		CFG_N8
+	.DW	STR_RCSMC,	CFG_RCSMC
+	.DW	STR_RCWDC,	CFG_RCWDC
 FDCCNT	.EQU	($-FDCTBL)/4	; FD CONTROLLER COUNT
 ;
 ; FDC LABEL STRINGS
@@ -284,8 +293,10 @@ STR_DIO		.TEXT	"DISKIO$"
 STR_DIO3	.TEXT	"DISKIO3$"
 STR_ZETA	.TEXT	"ZETA$"
 STR_ZETA2	.TEXT	"ZETA2$"
-STR_DIDE	.TEXT	"DUAL-IDE$"
+STR_DIDE	.TEXT	"D-IDE$"
 STR_N8		.TEXT	"N8$"
+STR_RCSMC	.TEXT	"RC-SMC$"
+STR_RCWDC	.TEXT	"RC-WDC$"
 ;
 ; FDC CONFIGURATION BLOCKS
 ;
@@ -340,6 +351,26 @@ CFG_N8:
 	.DB	093H	; TERMINAL COUNT (W/ DACK)
 	.DB	0FFH	; NOT USED BY N8
 ;
+CFG_RCSMC:
+	.DB	050H	; FDC MAIN STATUS REGISTER
+	.DB	051H	; FDC DATA PORT
+	.DB	0FFH	; DATA INPUT REGISTER
+	.DB	058H	; DIGITAL OUTPUT REGISTER (LATCH)
+	.DB	0FFH	; DCR
+	.DB	0FFH	; DACK
+	.DB	0FFH	; TERMINAL COUNT (W/ DACK)
+	.DB	0FFH	; PSEUDO DMA DATA PORT
+;
+CFG_RCWDC:
+	.DB	050H	; FDC MAIN STATUS REGISTER
+	.DB	051H	; FDC DATA PORT
+	.DB	0FFH	; DATA INPUT REGISTER
+	.DB	058H	; DIGITAL OUTPUT REGISTER (LATCH)
+	.DB	048H	; DCR
+	.DB	0FFH	; DACK
+	.DB	058H	; TERMINAL COUNT (W/ DACK)
+	.DB	0FFH	; PSEUDO DMA DATA PORT
+;
 FDCID	.DB	0			; FDC IDENTIFIER (0 INDEXED)
 FDCBM	.DB	0			; FDC ID BITMAP
 FDCLBL	.DW	0			; POINTER TO ACTIVE FDC LABEL STRING
@@ -355,6 +386,8 @@ FSS_MENU:
 	.TEXT	"  (4) Zeta 2 SBC Onboard FDC\r\n"
 	.TEXT	"  (5) Dual IDE ECB Board\r\n"
 	.TEXT	"  (6) N8 Onboard FDC\r\n"
+	.TEXT	"  (7) RC2014 SMC (SMB)\r\n"
+	.TEXT	"  (8) RC2014 WDC (SMB)\r\n"
 	.TEXT	"=== OPTION ===> $\r\n"
 ;	
 ;===============================================================================
@@ -1424,12 +1457,14 @@ MD_DRQWAIT	.EQU	4
 ; BIT IS SET FOR ALLOWED MODES PER FDC
 ;
 MD_MAP:
-		.DB	%00011111	; DIO:	POLL,INT,INTFAST,INTWAIT,DRQWAIT
-		.DB	%00000111	; DIO3:	POLL,INT,INTFAST
-		.DB	%00000111	; ZETA:	POLL,INT,INTFAST
-		.DB	%00000001	; ZETA2:POLL
-		.DB	%00000001	; DIDE:	POLL
-		.DB	%00000001	; N8:	POLL
+		.DB	%00011111	; DIO	POLL,INT,INTFAST,INTWAIT,DRQWAIT
+		.DB	%00000111	; DIO3	POLL,INT,INTFAST
+		.DB	%00000111	; ZETA	POLL,INT,INTFAST
+		.DB	%00000001	; ZETA2	POLL
+		.DB	%00000001	; DIDE	POLL
+		.DB	%00000001	; N8	POLL
+		.DB	%00000001	; RCSMC	POLL
+		.DB	%00000001	; RCWDC	POLL
 ;
 ; MEDIA DESCRIPTION BLOCK
 ;
@@ -1451,6 +1486,7 @@ MDB_HLT		.DB	000H		; HEAD LOAD TIME, IBM PS/2 CALLS FOR 15ms 08H = 16ms HUT
 MDB_DORA	.DB	000H		; OPERATIONS REGISTER VALUE FOR MEDIA
 MDB_DORB	.DB	000H		; OPERATIONS REGISTER VALUE FOR MEDIA
 MDB_DORC	.DB	000H		; OPERATIONS REGISTER VALUE FOR MEDIA
+MDB_DORD	.DB	000H		; OPERATIONS REGISTER VALUE FOR MEDIA
 MDB_DCR		.DB	000H		; CONTROL REGISTER VALUE FOR MEDIA
 MDB_LEN		.EQU	$ - MDB
 ;
@@ -1549,6 +1585,7 @@ FCB_PC720	.DB	009H		; SECTOR COUNT
 		.DB	DORA_BR250	; OPERATIONS REGISTER VALUE
 		.DB	DORB_BR250	; OPERATIONS REGISTER VALUE
 		.DB	DORC_BR250	; OPERATIONS REGISTER VALUE
+		.DB	DORD_BR250	; OPERATIONS REGISTER VALUE
 		.DB	DCR_BR250	; CONTROL REGISTER VALUE
 		.IF	(($ - MDB_PC720) != MDB_LEN)
 		.ECHO	"*** FCB SIZE ERROR!!! ***\n"
@@ -1571,6 +1608,7 @@ FCB_PC144	.DB	012H		; SECTOR COUNT
 		.DB	DORA_BR500	; OPERATIONS REGISTER VALUE
 		.DB	DORB_BR500	; OPERATIONS REGISTER VALUE
 		.DB	DORC_BR500	; OPERATIONS REGISTER VALUE
+		.DB	DORD_BR500	; OPERATIONS REGISTER VALUE
 		.DB	DCR_BR500	; CONTROL REGISTER VALUE
 		.IF	(($ - MDB_PC144) != MDB_LEN)
 		.ECHO	"*** FCB SIZE ERROR!!! ***\n"
@@ -1593,6 +1631,7 @@ FCB_PC320	.DB	008H		; SECTOR COUNT
 		.DB	DORA_BR250	; OPERATIONS REGISTER VALUE
 		.DB	DORB_BR250	; OPERATIONS REGISTER VALUE
 		.DB	DORC_BR250	; OPERATIONS REGISTER VALUE
+		.DB	DORD_BR250	; OPERATIONS REGISTER VALUE
 		.DB	DCR_BR250	; CONTROL REGISTER VALUE
 		.IF	(($ - MDB_PC320) != MDB_LEN)
 		.ECHO	"*** FCB SIZE ERROR!!! ***\n"
@@ -1615,6 +1654,7 @@ FCB_PC360	.DB	009H		; SECTOR COUNT
 		.DB	DORA_BR250	; OPERATIONS REGISTER VALUE
 		.DB	DORB_BR250	; OPERATIONS REGISTER VALUE
 		.DB	DORC_BR250	; OPERATIONS REGISTER VALUE
+		.DB	DORD_BR250	; OPERATIONS REGISTER VALUE
 		.DB	DCR_BR250	; CONTROL REGISTER VALUE
 		.IF	(($ - MDB_PC360) != MDB_LEN)
 		.ECHO	"*** FCB SIZE ERROR!!! ***\n"
@@ -1637,6 +1677,7 @@ FCB_PC120	.DB	00FH		; SECTOR COUNT
 		.DB	DORA_BR500	; OPERATIONS REGISTER VALUE
 		.DB	DORB_BR500	; OPERATIONS REGISTER VALUE
 		.DB	DORC_BR500	; OPERATIONS REGISTER VALUE
+		.DB	DORD_BR500	; OPERATIONS REGISTER VALUE
 		.DB	DCR_BR500	; CONTROL REGISTER VALUE
 		.IF	(($ - MDB_PC120) != MDB_LEN)
 		.ECHO	"*** FCB SIZE ERROR!!! ***\n"
@@ -1659,6 +1700,7 @@ FCB_PC111	.DB	00FH		; SECTOR COUNT
 		.DB	DORA_BR500	; OPERATIONS REGISTER VALUE
 		.DB	DORB_BR500	; OPERATIONS REGISTER VALUE
 		.DB	DORC_BR500	; OPERATIONS REGISTER VALUE
+		.DB	DORD_BR500	; OPERATIONS REGISTER VALUE
 		.DB	DCR_BR500	; CONTROL REGISTER VALUE
 		.IF	(($ - MDB_PC111) != MDB_LEN)
 		.ECHO	"*** FCB SIZE ERROR!!! ***\n"
@@ -1768,29 +1810,37 @@ FM_DRAW:
 	AND	_ZETA | _DIO3
 	JR	NZ,FM_DRAW0B
 	LD	A,(HL)
-	AND	_DIDE | _N8 | _ZETA2
+	AND	_DIDE | _N8 | _ZETA2 | _RCWDC
 	JR	NZ,FM_DRAW0C
-	JR	FM_DRAW0D
+	LD	A,(HL)
+	AND	_RCSMC
+	JR	NZ,FM_DRAW0D
+	JR	FM_DRAW3
 FM_DRAW0A:	; DIO
 	LD	A,(FST_DOR)
 	AND	00000010B
 	XOR	00000010B
-	JR	FM_DRAW0D
+	JR	FM_DRAW1
 FM_DRAW0B:	; ZETA, DIO3
 	LD	A,(FST_DOR)
 	AND	00000010B
-	JR	FM_DRAW0D
-FM_DRAW0C:	; DIDE, N8, ZETA2
+	JR	FM_DRAW1
+FM_DRAW0C:	; DIDE, N8, ZETA2, RCWDC
 	LD	A,(FST_DOR)
 	AND	11110000B
-	JR	FM_DRAW0D
-FM_DRAW0D:
-	LD	DE,STR_ON
-	JP	NZ,FM_DRAW1
-	LD	DE,STR_OFF
+	JR	FM_DRAW1
+FM_DRAW0D:	; RCSMC
+	LD	A,(FST_DOR)
+	AND	00000110B
+	JR	FM_DRAW1
 FM_DRAW1:
+	LD	DE,STR_ON
+	JP	NZ,FM_DRAW2
+	LD	DE,STR_OFF
+FM_DRAW2:
 	LD	HL,MV_MOT
 	CALL	STRCPY
+FM_DRAW3:
 
 		; UPDATE MSR VALUE
 	LD	DE,MV_MSR
@@ -1913,23 +1963,30 @@ FM_MOTOR:
 	AND	_ZETA | _DIO3
 	JR	NZ,FM_MOTOR0B
 	LD	A,(HL)
-	AND	_DIDE | _N8 | _ZETA2
+	AND	_DIDE | _N8 | _ZETA2 | _RCWDC
 	JR	NZ,FM_MOTOR0C
-	JR	FM_MOTOR0D
+	LD	A,(HL)
+	AND	_RCSMC
+	JR	NZ,FM_MOTOR0D
+	RET
 FM_MOTOR0A:	; DIO
 	LD	A,(FST_DOR)
 	AND	00000010B
 	XOR	00000010B
-	JR	FM_MOTOR0D
+	JR	FM_MOTOR1
 FM_MOTOR0B:	; ZETA, DIO3
 	LD	A,(FST_DOR)
 	AND	00000010B
-	JR	FM_MOTOR0D
-FM_MOTOR0C:	; DIDE, N8, ZETA2
+	JR	FM_MOTOR1
+FM_MOTOR0C:	; DIDE, N8, ZETA2, RCWDC
 	LD	A,(FST_DOR)
 	AND	11110000B
-	JR	FM_MOTOR0D
-FM_MOTOR0D:
+	JR	FM_MOTOR1
+FM_MOTOR0D:	; RCSMC
+	LD	A,(FST_DOR)
+	AND	00000110B
+	JR	FM_MOTOR1
+FM_MOTOR1:
 	JP	Z,FC_MOTORON
 	JP	FC_MOTOROFF
 
@@ -2130,6 +2187,7 @@ FCD_HLT		.DB	000H		; HEAD LOAD TIME, IBM PS/2 CALLS FOR 15ms 08H = 16ms HUT
 FCD_DORA	.DB	000H		; DEFAULT DOR VALUE FOR MEDIA
 FCD_DORB	.DB	000H		; DEFAULT DOR VALUE FOR MEDIA
 FCD_DORC	.DB	000H		; DEFAULT DOR VALUE FOR MEDIA
+FCD_DORD	.DB	000H		; DEFAULT DOR VALUE FOR MEDIA
 FCD_DCR		.DB	000H		; DOR VALUE FOR MEDIA
 FCD_LEN		.EQU	$ - FCD
 		; DYNAMICALLY MANAGED (PUBLIC)
@@ -2645,27 +2703,33 @@ FC_INIT:
 	AND	_ZETA | _DIO3
 	JR	NZ,FC_INIT2
 	LD	A,(HL)
-	AND	_DIDE | _N8 | _ZETA2
+	AND	_DIDE | _N8 | _ZETA2 | _RCWDC
 	JR	NZ,FC_INIT3
-	JR	FC_INIT4
+	LD	A,(HL)
+	AND	_RCSMC
+	JR	NZ,FC_INIT4
+	RET
 FC_INIT1:	; DIO
 	LD	A,(FCD_DORA)
-	JR	FC_INIT4
+	JR	FC_INIT5
 FC_INIT2:	; ZETA, DIO3
 	LD	A,(FCD_DORB)
-	JR	FC_INIT4
-FC_INIT3:	; DIDE, N8, ZETA2
+	JR	FC_INIT5
+FC_INIT3:	; DIDE, N8, ZETA2, RCWDC
 	LD	A,(FCD_DORC)
-	JR	FC_INIT4
+	JR	FC_INIT5
+FC_INIT4:	; WDSMC
+	LD	A,(FCD_DORD)
+	JR	FC_INIT5
 
-FC_INIT4:
+FC_INIT5:
 	LD	(FST_DOR),A
 	CALL	FC_SETDOR
 	RET
 ;
 ; SET FST_DOR
 ;
-FC_SETDOR
+FC_SETDOR:
 	PUSH	AF
 	LD	A,(FST_DOR)
 	LD	C,(IY+CFG_DOR)
@@ -2674,28 +2738,28 @@ FC_SETDOR
 	RET
 ;
 ; RESET FDC BY PULSING BIT 7 OF DOR LOW
+; NOTE: DIO HARDWARE HAS NO MECHANISM TO PULSE RESET VIA SOFTWARE
 ;
 FC_RESETFDC:
 	LD	C,(IY+CFG_DOR)
 	LD	HL,FDCBM
 	LD	A,(HL)
-	AND	_ZETA | _DIO3
+	AND	_ZETA | _DIO3 | _RCSMC
 	JR	NZ,FC_RESETFDC1
 	LD	A,(HL)
-	AND	_DIDE | _N8 | _ZETA2
+	AND	_DIDE | _N8 | _ZETA2 | _RCWDC
 	JR	NZ,FC_RESETFDC2
-	JR	FC_RESETFDC3
-FC_RESETFDC1:	; ZETA, DIO3
+	RET
+FC_RESETFDC1:	; ZETA, DIO3, RCSMC
 	LD	A,(FST_DOR)
+	PUSH	AF
 	RES	7,A
 	OUT	(C),A
-	PUSH	AF			; SAVE AF BECAUSE DELAY TRASHES IT
 	CALL	DELAY
-	POP	AF			; RESTORE AF
-	SET	7,A
+	POP	AF
 	OUT	(C),A
 	JR	FC_RESETFDC3
-FC_RESETFDC2:	; DIDE, N8, ZETA2
+FC_RESETFDC2:	; DIDE, N8, ZETA2, RCWDC
 	LD	A,0
 	OUT	(C),A
 	LD	A,(FST_DOR)
@@ -2711,7 +2775,7 @@ FC_RESETFDC3:
 ;
 FC_PULSETC:
 	LD	A,(FDCBM)
-	AND	_DIDE | _N8 | _ZETA2
+	AND	_DIDE | _N8 | _ZETA2 | _RCWDC
 	JR	NZ,FC_PULSETC1
 	; NOT DIDE, N8, ZETA2
 	LD	C,(IY+CFG_DOR)
@@ -2721,7 +2785,7 @@ FC_PULSETC:
 	RES	0,A
 	OUT	(C),A
 	JR	FC_PULSETC2
-FC_PULSETC1:	; DIDE, N8, ZETA2
+FC_PULSETC1:	; DIDE, N8, ZETA2, RCWDC
 	LD	C,(IY+CFG_TC)
 	IN	A,(C)
 	JR	FC_PULSETC2
@@ -2739,18 +2803,21 @@ FC_MOTORON:
 	AND	_ZETA | _DIO3
 	JR	NZ,FC_MOTORON2
 	LD	A,(HL)
-	AND	_DIDE | _N8 | _ZETA2
+	AND	_DIDE | _N8 | _ZETA2 | _RCWDC
 	JR	NZ,FC_MOTORON3
-	JR	FC_MOTORON4
+	LD	A,(HL)
+	AND	_RCSMC
+	JR	NZ,FC_MOTORON4
+	RET
 FC_MOTORON1:	; DIO
 	LD	HL,FST_DOR		; POINT TO FDC_DOR
 	RES	1,(HL)			; SET MOTOR ON
-	JR	FC_MOTORON4
+	JR	FC_MOTORON5
 FC_MOTORON2:	; ZETA, DIO3
 	LD	HL,FST_DOR		; POINT TO FDC_DOR
 	SET	1,(HL)
-	JR	FC_MOTORON4
-FC_MOTORON3:	; DIDE, N8, ZETA2
+	JR	FC_MOTORON5
+FC_MOTORON3:	; DIDE, N8, ZETA2, RCWDC
 	LD	HL,FST_DOR		; POINT TO FDC_DOR
 	LD	A,(HL)			; START WITH CURRENT DOR
 	AND	11111100B		; GET RID OF ANY ACTIVE DS BITS
@@ -2766,18 +2833,27 @@ FC_MOTORON3A:
 	DJNZ	FC_MOTORON3A		; DS TIMES
 	OR	C			; COMBINE WITH SAVED
 	LD	(HL),A			; COMMIT THE NEW VALUE TO FST_DOR
-	JR	FC_MOTORON4
-	
-FC_MOTORON4:
+	JR	FC_MOTORON5
+FC_MOTORON4:	; RCSMC
+	LD	A,(FCD_DS)		; GET CURRENT DS
+	LD	C,00000010B		; ASSUME MOTORA (BIT 1)
+	OR	A			; TEST FOR DS 0
+	JR	Z,FC_MOTORON4A		; IF SO, CONTINUE W/ MOTORA
+	LD	C,00000100B		; OTHERWISE, MOTORB (BIT 2)
+FC_MOTORON4A:
+	LD	A,(FST_DOR)		; GET CURRENT DOR VALUE
+	OR	C			; APPLY NEW MOTOR BIT
+	LD	(FST_DOR),A		; COMMIT NEW VALUE
+	JR	FC_MOTORON5
+FC_MOTORON5:
 	CALL	FC_SETDOR		; OUTPUT TO CONTROLLER
 	CALL	LDELAY			; WAIT 1/2 SEC ON MOTOR START FOR SPIN-UP
 	LD	A,(FDCBM)
-	AND	_DIDE | _N8 | _ZETA2
-	JR	Z,FC_MOTORON5
+	AND	_DIDE | _N8 | _ZETA2 | _RCWDC
+	RET	Z
 	LD	A,(FCD_DCR)
 	LD	C,(IY+CFG_DCR)
 	OUT	(C),A
-FC_MOTORON5:
 	RET
 ;
 ; SET FST_DOR FOR MOTOR CONTROL OFF
@@ -2791,24 +2867,32 @@ FC_MOTOROFF:
 	AND	_ZETA | _DIO3
 	JR	NZ,FC_MOTOROFF2
 	LD	A,(HL)
-	AND	_DIDE | _N8 | _ZETA2
+	AND	_DIDE | _N8 | _ZETA2 | _RCWDC
 	JR	NZ,FC_MOTOROFF3
-	JR	FC_MOTOROFF4
+	LD	A,(HL)
+	AND	_RCSMC
+	JR	NZ,FC_MOTOROFF4
+	RET
 FC_MOTOROFF1:	; DIO
 	LD	HL,FST_DOR		; POINT TO FDC_DOR
 	SET	1,(HL)			; SET MOTOR OFF
-	JR	FC_MOTOROFF4
+	JR	FC_MOTOROFF5
 FC_MOTOROFF2:	; ZETA, DIO3
 	LD	HL,FST_DOR		; POINT TO FDC_DOR
 	RES	1,(HL)
-	JR	FC_MOTOROFF4
-FC_MOTOROFF3:	; DIDE, N8, ZETA2
+	JR	FC_MOTOROFF5
+FC_MOTOROFF3:	; DIDE, N8, ZETA2, RCWDC
 	LD	HL,FST_DOR		; POINT TO FDC_DOR
 	LD	A,DORC_INIT
 	LD	(HL),A
-	JR	FC_MOTOROFF4
+	JR	FC_MOTOROFF5
+FC_MOTOROFF4:	; RCSMC
+	LD	HL,FST_DOR		; POINT TO FDC_DOR
+	RES	1,(HL)			; CLEAR MOTORA
+	RES	2,(HL)			; CLEAR MOTORB
+	JR	FC_MOTOROFF5
 
-FC_MOTOROFF4:
+FC_MOTOROFF5:
 	CALL	FC_SETDOR		; OUTPUT TO CONTROLLER
 	RET
 ;
@@ -3661,13 +3745,20 @@ DORB_BR500	.EQU	10100000B	; 500KBPS
 ;
 DORB_INIT	.EQU	DORB_BR250
 ;
-; *** DIDE/N8/ZETA2 ***
+; *** DIDE/N8/ZETA2/RCWDC ***
 ;
 DORC_INIT	.EQU	00001100B	; SOFT RESET INACTIVE, DMA ENABLED
 ;
 DORC_BR250	.EQU	DORC_INIT
 DORC_BR500	.EQU	DORC_INIT
 ;
+; *** RCSMC ***
+;
+DORD_BR250	.EQU	10100000B	; 250KBPS
+DORD_BR500	.EQU	11100000B	; 500KBPS
+;
+DORD_INIT	.EQU	DORB_BR250
+;
 ; DCR (ONLY APPLIES TO DIDE, N8, AND ZETA2)
 ;
 DCR_BR250	.EQU	01H		; 250KBPS

Source/Apps/FDU/FDU.txt

@@ -473,4 +473,11 @@ Added runtime selection of FDC hardware.
 Added runtime timing adjustment.
 
 WW 12/16/2017: v5.1
+
 Improved polling version of read/write to fix occasional overrun errors.
+
+WW 1/8/2018: v5.2
+
+Added support for RC2014 hardware:
+  - Scott Baker SMC 9266 FDC module
+  - Scott Baker WDC 37C65 FDC module