diff --git a/Doc/ChangeLog.txt b/Doc/ChangeLog.txt
index 18bde264..b2673f50 100644
--- a/Doc/ChangeLog.txt
+++ b/Doc/ChangeLog.txt
@@ -39,6 +39,8 @@ Version 3.1.1
 - WBW: Added preliminary support for DSKYng
 - WBW: Elevated MBC to a platform
 - WBW: Added support for MBC user LEDs
+- PMS: Early DMA support
+- W?S: Updated FLASH software to v1.3.5 (supports 128KB A29010B, 512KB A29040B)
 
 Version 3.1
 -----------
diff --git a/Source/Apps/Clean.cmd b/Source/Apps/Clean.cmd
index 70b6dcee..36424e12 100644
--- a/Source/Apps/Clean.cmd
+++ b/Source/Apps/Clean.cmd
@@ -11,3 +11,4 @@ setlocal & cd XM && call Clean || exit /b 1 & endlocal
 setlocal & cd FDU && call Clean || exit /b 1 & endlocal
 setlocal & cd Tune && call Clean || exit /b 1 & endlocal
 setlocal & cd FAT && call Clean || exit /b 1 & endlocal
+setlocal & cd I2C && call Clean || exit /b 1 & endlocal
diff --git a/Source/Apps/I2C/Makefile b/Source/Apps/I2C/Makefile
index cdee4fdd..e205dc82 100644
--- a/Source/Apps/I2C/Makefile
+++ b/Source/Apps/I2C/Makefile
@@ -1,4 +1,4 @@
-OBJECTS = i2cscan.com, rtcds7.com, i2clcd.com
+OBJECTS = i2cscan.com rtcds7.com i2clcd.com
 DEST = ../../../Binary/Apps
 TOOLS = ../../../Tools
 
diff --git a/Source/Apps/Makefile b/Source/Apps/Makefile
index c2785b51..322bb6cc 100644
--- a/Source/Apps/Makefile
+++ b/Source/Apps/Makefile
@@ -1,6 +1,6 @@
 OBJECTS = sysgen.com survey.com \
 	syscopy.com assign.com format.com talk.com mode.com rtc.com \
-	timer.com inttest.com rtcds7.com rtchb.com ppidetst.com tstdskng.com
+	timer.com inttest.com rtchb.com ppidetst.com tstdskng.com
 OTHERS = *.hex *.com
 SUBDIRS = XM FDU FAT Tune I2C
 DEST = ../../Binary/Apps
diff --git a/Source/Apps/rtc.asm b/Source/Apps/rtc.asm
index 21f337f6..5a4ebeb5 100644
--- a/Source/Apps/rtc.asm
+++ b/Source/Apps/rtc.asm
@@ -27,6 +27,8 @@
 ;
 ;[2020/05/15] v1.6 Added Warm Start option
 ;
+;[2021/07/10] v1.7 Support MBC (AJL)
+;
 ; Constants
 ;
 mask_data	.EQU	%10000000	; RTC data line
@@ -43,6 +45,7 @@ PORT_EZZ80	.EQU	$C0		; RTC port for EZZ80 (actually does not have one!!!)
 PORT_SCZ180	.EQU	$0C		; RTC port for SCZ180
 PORT_DYNO	.EQU	$0C		; RTC port for DYNO
 PORT_RCZ280	.EQU	$C0		; RTC port for RCZ280
+PORT_MBC	.EQU	$70		; RTC port for MBC
 
 
 BDOS		.EQU	5		; BDOS invocation vector
@@ -1046,9 +1049,9 @@ RTC_HELP
 RTC_INIT:
 	CALL	IDBIO		; Id BIOS, 1=HBIOS, 2=UBIOS
 	DEC	A		; Test for HBIOS
-	JR	Z,HINIT		; Do HBIOS setup
+	JP	Z,HINIT		; Do HBIOS setup
 	DEC	A		; Test for UBIOS
-	JR	Z,UINIT		; Do UBIOS setup
+	JP	Z,UINIT		; Do UBIOS setup
 ;
 	; Neither UNA nor RomWBW
 	LD	DE,BIOERR	; BIOS error message
@@ -1118,6 +1121,11 @@ HINIT:
 	LD	DE,PLT_RCZ280
 	CP	12		; RCZ280
 	JR	Z,RTC_INIT2
+;
+	LD	C,PORT_MBC
+	LD	DE,PLT_MBC
+	CP	13		; MBC
+	JR	Z,RTC_INIT2
 ;
 	; Unknown platform
 	LD	DE,PLTERR	; BIOS error message
@@ -1614,7 +1622,7 @@ TESTING_BIT_DELAY_OVER:
 
 RTC_HELP_MSG:
 	.DB	0Ah, 0Dh		; line feed and carriage return
-	.TEXT	"RTC: Version 1.5"
+	.TEXT	"RTC: Version 1.7"
 	.DB	0Ah, 0Dh		; line feed and carriage return
 	.TEXT	"Commands: E)xit T)ime st(A)rt S)et R)aw L)oop C)harge N)ocharge D)elay I)nit G)et P)ut B)oot W)arm-start H)elp"
 	.DB	0Ah, 0Dh		; line feed and carriage return
@@ -1742,6 +1750,7 @@ PLT_EZZ80	.TEXT	", Easy Z80 RTC Module Latch Port 0xC0\r\n$"
 PLT_SCZ180	.TEXT	", SC Z180 RTC Module Latch Port 0x0C\r\n$"
 PLT_DYNO	.TEXT	", DYNO RTC Module Latch Port 0x0C\r\n$"
 PLT_RCZ280	.TEXT	", RC2014 Z280 RTC Module Latch Port 0xC0\r\n$"
+PLT_MBC		.TEXT	", MBC RTC Latch Port 0x70\r\n$"
 
 ;
 ; Generic FOR-NEXT loop algorithm
diff --git a/Source/Apps/tstdskng.asm b/Source/Apps/tstdskng.asm
index d1abd87e..dc1927bb 100644
--- a/Source/Apps/tstdskng.asm
+++ b/Source/Apps/tstdskng.asm
@@ -16,7 +16,7 @@
 FALSE:		.EQU	0
 TRUE:		.EQU	!FALSE
 ;
-DSKY_OSC:	.EQU	2000000		; OSCILLATOR FREQ IN HZ
+DSKY_OSC:	.EQU	1000000		; OSCILLATOR FREQ IN HZ
 ;
 BDOS:		.EQU	FALSE		; BDOS OR DIRECT TO 8250ISH
 ;
@@ -31,25 +31,25 @@ PPI_BASE:	.EQU	$60		; PPI BASE IO PORT
 ;	10    04
 ;	+--08--+  80
 ;
-; KEY CODE MAP (KEY CODES) --CCCRRR 
+; KEY CODE MAP (KEY CODES) --CCCRRR
 ;
-;	00	08	10	18
-;	01	09	11	19
-;	02	0A	12	1A
-;	03	0B	13	1B
-;	04	0C	14	1C
-;	05	0D	15	1D
+;	00	08	10	18	23
+;	01	09	11	19	22
+;	02	0A	12	1A	21
+;	03	0B	13	1B	20
+;	04	0C	14	1C	SHIFT
+;	05	0D	15	1D	CONTROL
 ;
 ; LED BIT MAP (BIT VALUES)
 ;
-;	$08	$09	$0A	$0B
-;	---	---	---	---
-;	01	01	01	01
-;	02	02	02	02
-;	04      04      04      04
-;	08      08      08      08
-;	10      10      10      10
-;	20      20      20      20
+;	$08	$09	$0A	$0B	$0C
+;	---	---	---	---	---
+;	01	01	01	01	01
+;	02	02	02	02	02
+;	04      04      04      04	04
+;	08      08      08      08	08
+;	10      10      10      10	10
+;	20      20      20      20	20
 ;
 PPIA:		.EQU 	PPI_BASE + 0	; PORT A
 PPIB:		.EQU 	PPI_BASE + 1	; PORT B
@@ -62,12 +62,12 @@ DSKY_PPIX_WR:	.EQU	%10000010	; PPIX VALUE FOR WRITES
 ; PIO CHANNEL C:
 ;
 ;	7	6	5	4	3	2	1	0
-;	RES	/RD	/WR	CS	CS	0	0	A0
+;	RES	0	0	CS	CS	/RD	/WR	A0
 ;
 ; SETTING BITS 3 & 4 WILL ASSERT /CS ON 3279
-; CLEAR BITS 5 OR 6 TO ASSERT READ/WRITE
+; CLEAR BITS 1 OR 2 TO ASSERT READ/WRITE
 ;
-DSKY_PPI_IDLE:	.EQU	%01100000
+DSKY_PPI_IDLE:	.EQU	%00000110
 ;
 DSKY_CMD_CLR:	.EQU	%11011111	; CLEAR (ALL OFF)
 DSKY_CMD_CLRX:	.EQU	%11010011	; CLEAR (ALL ON)
@@ -176,7 +176,7 @@ M1:
 	LD	C,0
 	LD	HL,DSPBUF
 	CALL	DSKY_PUTENCSTR
-;	
+;
 M2:
 	CALL	CST			; CONSOLE STATUS
 	JR	NZ,M4			; ABORT IF KEY PRESSED
@@ -243,12 +243,18 @@ M4:
 	; DANCING LIGHTS
 	CALL	PRTSTRD
 	.DB	"\r\nDance, Baby, Dance (console key to end)...$"
+
+	LD	A,DSKY_CMD_CLR
+	CALL	DSKY_CMD
 ;
+
+
+
 	LD	E,$01			; STARTING VALUE
 M5:
 	CALL	CST			; CONSOLE STATUS
 	JR	NZ,M8			; ABORT IF KEY PRESSED
-	LD	B,12			; NUMBER OF BYTES
+	LD	B,16			; NUMBER OF BYTES
 	LD	C,$00			; STARTING LOCATION (BYTE)
 M6:
 	LD	A,E
@@ -268,14 +274,14 @@ M8:
 	LD	A,DSKY_CMD_CLR
 	CALL	DSKY_CMD
 ;
-EXIT:	
+EXIT:
 	; GOODBYE
 	CALL	PRTSTRD
 	.DB	"\r\nThank you, please call again\r\n$"
 ;
 	; CLEAN UP AND RETURN TO OS
 	LD	SP,(STACKSAV)
-;	
+;
 	RET
 ;
 ; SETUP PPI FOR WRITING: PUT PPI PORT A IN OUTPUT MODE
@@ -288,7 +294,7 @@ DSKY_PPIWR:
 	LD	A,(DSKY_PPIX_VAL)
 	CP	DSKY_PPIX_WR
 	JR	Z,DSKY_PPIWR1
-;	
+;
 	; SET PPI TO WRITE MODE
 	LD	A,DSKY_PPIX_WR
 	OUT	(PPIX),A
@@ -317,7 +323,7 @@ DSKY_PPIRD:
 	LD	A,(DSKY_PPIX_VAL)
 	CP	DSKY_PPIX_RD
 	JR	Z,DSKY_PPIRD1
-;	
+;
 	; SET PPI TO READ MODE
 	LD	A,DSKY_PPIX_RD
 	OUT	(PPIX),A
@@ -409,10 +415,10 @@ DSKY_DOUT2:
 	OUT	(PPIA),A
 ;
 	; PULSE /WR
-	RES	5,B
+	RES	1,B
 	OUT	(C),B
 	NOP			; MAY NOT BE NEEDED
-	SET	5,B
+	SET	1,B
 	OUT	(C),B
 ;
 	; DEASSERT /CS
@@ -462,14 +468,14 @@ DSKY_DIN2:
 	LD	B,A
 ;
 	; ASSERT /RD
-	RES	6,B
+	RES	2,B
 	OUT	(C),B
 ;
 	; GET VALUE
 	IN	A,(PPIA)
 ;
 	; DEASSERT /RD
-	SET	6,B
+	SET	2,B
 	OUT	(C),B
 ;
 	; DEASSERT /CS
@@ -536,7 +542,7 @@ DSKY_PUTSTR:
 	ADD	A,DSKY_CMD_WDSP
 	CALL	DSKY_CMD
 	POP	BC
-;	
+;
 DSKY_PUTSTR1:
 	LD	A,(HL)
 	XOR	$FF
@@ -556,7 +562,7 @@ DSKY_GETSTR:
 	ADD	A,DSKY_CMD_RDSP
 	CALL	DSKY_CMD
 	POP	BC
-;	
+;
 DSKY_GETSTR1:
 	PUSH	BC
 	CALL	DSKY_DIN
@@ -623,7 +629,7 @@ DSKY_READ:
 	CALL	DSKY_GETSTR
 	LD	B,$10
 	LD	HL,DSPBUF
-DSKY_READ1:	
+DSKY_READ1:
 	LD	A,(HL)
 	INC	HL
 	CALL	PC_SPACE
@@ -639,7 +645,7 @@ COUT:
 	PUSH	DE			;
 	PUSH	HL			;
 
-#IF BDOS	
+#IF BDOS
 	LD	C,2			; BDOS FUNC: CONSOLE OUTPUT
 	LD	E,A			; CHARACTER TO E
 	CALL	$0005			; CALL BDOS
@@ -984,7 +990,7 @@ DSKY_PPIX_VAL:	.DB	0
 DSPBUF:	.FILL	16,0
 ;
 PAT1:	.DB	$01,$02,$04,$08,$10,$20,$40,$80
-	.DB	$11,$22,$44,$88,$FF,$FF,$FF,$FF
+	.DB	$11,$22,$44,$88,$00,$00,$00,$00
 PAT1LN:	.EQU	$ - PAT1
 PAT2:	.DB	$01,$03,$07,$0F,$1F,$3F,$7F,$FF
 	.DB	$11,$33,$77,$FF,$00,$00,$00,$00
diff --git a/Source/HBIOS/cfg_mbc.asm b/Source/HBIOS/cfg_mbc.asm
index 129dc15f..ac0c488c 100644
--- a/Source/HBIOS/cfg_mbc.asm
+++ b/Source/HBIOS/cfg_mbc.asm
@@ -229,3 +229,7 @@ AY_CLK		.EQU	CPUOSC / 4	; DEFAULT TO CPUOSC / 4
 AYMODE		.EQU	AYMODE_NONE	; AY: DRIVER MODE: AYMODE_[SCG/N8/RCZ80/RCZ180]
 ;
 SPKENABLE	.EQU	TRUE		; SPK: ENABLE RTC LATCH IOBIT SOUND DRIVER (SPK.ASM)
+;
+DMAENABLE	.EQU	FALSE		; DMA: ENABLE DMA DRIVER (DMA.ASM)
+DMABASE		.EQU	$E0		; DMA: DMA BASE ADDRESS
+DMAMODE		.EQU	DMAMODE_NONE	; DMA: DMA MODE (NONE|ECB|Z180|Z280|RC)
diff --git a/Source/HBIOS/dskyng.asm b/Source/HBIOS/dskyng.asm
index 53305e6a..3ae20965 100644
--- a/Source/HBIOS/dskyng.asm
+++ b/Source/HBIOS/dskyng.asm
@@ -13,25 +13,25 @@
 ;	10    04
 ;	+--08--+  80
 ;
-; KEY CODE MAP (KEY CODES) --CCCRRR 
+; KEY CODE MAP (KEY CODES) --CCCRRR
 ;
-;	00	08	10	18
-;	01	09	11	19
-;	02	0A	12	1A
-;	03	0B	13	1B
-;	04	0C	14	1C
-;	05	0D	15	1D
+;	00	08	10	18	23
+;	01	09	11	19	22
+;	02	0A	12	1A	21
+;	03	0B	13	1B	20
+;	04	0C	14	1C	SHIFT
+;	05	0D	15	1D	CTRL
 ;
 ; LED BIT MAP (BIT VALUES)
 ;
-;	$08	$09	$0A	$0B
-;	---	---	---	---
-;	01	01	01	01
-;	02	02	02	02
-;	04      04      04      04
-;	08      08      08      08
-;	10      10      10      10
-;	20      20      20      20
+;	$08	$09	$0A	$0B	$0C
+;	---	---	---	---	---
+;	01	01	01	01	01
+;	02	02	02	02	02
+;	04      04      04      04	04
+;	08      08      08      08	08
+;	10      10      10      10	10
+;	20      20      20      20	10
 ;
 PPIA		.EQU 	DSKYPPIBASE + 0	; PORT A
 PPIB		.EQU 	DSKYPPIBASE + 1	; PORT B
@@ -44,12 +44,12 @@ DSKY_PPIX_WR:	.EQU	%10000010	; PPIX VALUE FOR WRITES
 ; PIO CHANNEL C:
 ;
 ;	7	6	5	4	3	2	1	0
-;	RES	/RD	/WR	CS	CS	0	0	A0
+;	RES	0	0	CS	CS	/RD	/WR	A0
 ;
 ; SETTING BITS 3 & 4 WILL ASSERT /CS ON 3279
-; CLEAR BITS 5 OR 6 TO ASSERT READ/WRITE
+; CLEAR BITS 1 OR 2 TO ASSERT READ/WRITE
 ;
-DSKY_PPI_IDLE:	.EQU	%01100000
+DSKY_PPI_IDLE:	.EQU	%00000110
 ;
 DSKY_CMD_CLR:	.EQU	%11011111	; CLEAR (ALL OFF)
 DSKY_CMD_CLRX:	.EQU	%11010011	; CLEAR (ALL ON)
@@ -87,8 +87,8 @@ DSKY_REINIT:
 	; SET CLOCK SCALER TO 20
 	LD	A,DSKY_CMD_CLK | DSKY_PRESCL
 	CALL	DSKY_CMD
-	LD	A,%00001000		; dan
-	CALL	DSKY_CMD
+;	LD	A,%00001000		; dan
+;	CALL	DSKY_CMD
 	; FALL THRU
 ;
 DSKY_RESET:
@@ -123,6 +123,10 @@ KY_DE	.EQU	$14	; DEPOSIT
 KY_EX	.EQU	$15	; EXAMINE
 KY_GO	.EQU	$16	; GO
 KY_BO	.EQU	$17	; BOOT
+KY_F4	.EQU	$18	; F4
+KY_F3	.EQU	$19	; F3
+KY_F2	.EQU	$20	; F2
+KY_F1	.EQU	$21	; F1
 ;
 ;__DSKY_STAT_________________________________________________________________________________________
 ;
@@ -145,7 +149,8 @@ DSKY_GETKEY:
 	LD	A,DSKY_CMD_FIFO
 	CALL	DSKY_CMD
 	CALL	DSKY_DIN
-	LD	B,24			; SIZE OF DECODE TABLE
+	AND	$3F			; STRIP OFF SHIFT AND CONTROL KEYS (FOR NOW)
+	LD	B,28			; SIZE OF DECODE TABLE
 	LD	C,0			; INDEX
 	LD	HL,DSKY_KEYMAP		; POINT TO BEGINNING OF TABLE
 DSKY_GETKEY1:
@@ -167,14 +172,19 @@ DSKY_KEYMAP:
 	; POS	$00  $01  $02  $03  $04  $05  $06  $07
 	; KEY   [0]  [1]  [2]  [3]  [4]  [5]  [6]  [7]
 	.DB	$0D, $04, $0C, $14, $03, $0B, $13, $02
-;                                                  
+;
 	; POS	$08  $09  $0A  $0B  $0C  $0D  $0E  $0F
 	; KEY   [8]  [9]  [A]  [B]  [C]  [D]  [E]  [F]
 	.DB	$0A, $12, $01, $09, $11, $00, $08, $10
-;                                                  
+;
 	; POS	$10  $11  $12  $13  $14  $15  $16  $17
 	; KEY   [FW] [BK] [CL] [EN] [DE] [EX] [GO] [BO]
 	.DB	$05, $15, $1D, $1C, $1B, $1A, $19, $18
+
+	; POS	$18  $19  $20  $21
+	; KEY   [F4] [F3] [F2] [F1]
+	.DB	$23, $22, $21, $20
+
 ;
 #ENDIF	; DSKY_KBD
 ;
@@ -279,10 +289,10 @@ DSKY_DOUT2:
 	OUT	(PPIA),A
 ;
 	; PULSE /WR
-	RES	5,B
+	RES	1,B
 	OUT	(C),B
 	NOP			; MAY NOT BE NEEDED
-	SET	5,B
+	SET	1,B
 	OUT	(C),B
 ;
 	; DEASSERT /CS
@@ -332,14 +342,14 @@ DSKY_DIN2:
 	LD	B,A
 ;
 	; ASSERT /RD
-	RES	6,B
+	RES	2,B
 	OUT	(C),B
 ;
 	; GET VALUE
 	IN	A,(PPIA)
 ;
 	; DEASSERT /RD
-	SET	6,B
+	SET	2,B
 	OUT	(C),B
 ;
 	; DEASSERT /CS
@@ -406,7 +416,7 @@ DSKY_PUTSTR:
 	ADD	A,DSKY_CMD_WDSP
 	CALL	DSKY_CMD
 	POP	BC
-;	
+;
 DSKY_PUTSTR1:
 	LD	A,(HL)
 	XOR	$FF
@@ -426,7 +436,7 @@ DSKY_GETSTR:
 	ADD	A,DSKY_CMD_RDSP
 	CALL	DSKY_CMD
 	POP	BC
-;	
+;
 DSKY_GETSTR1:
 	PUSH	BC
 	CALL	DSKY_DIN
@@ -471,7 +481,7 @@ DSKY_PPIWR:
 	LD	A,(DSKY_PPIX_VAL)
 	CP	DSKY_PPIX_WR
 	JR	Z,DSKY_PPIWR1
-;	
+;
 	; SET PPI TO WRITE MODE
 	LD	A,DSKY_PPIX_WR
 	OUT	(PPIX),A
@@ -505,7 +515,7 @@ DSKY_PPIRD:
 	LD	A,(DSKY_PPIX_VAL)
 	CP	DSKY_PPIX_RD
 	JR	Z,DSKY_PPIRD1
-;	
+;
 	; SET PPI TO READ MODE
 	LD	A,DSKY_PPIX_RD
 	OUT	(PPIX),A
diff --git a/Source/HBIOS/hbios.asm b/Source/HBIOS/hbios.asm
index 92a29c8a..c922a8eb 100644
--- a/Source/HBIOS/hbios.asm
+++ b/Source/HBIOS/hbios.asm
@@ -1225,6 +1225,15 @@ Z280_INITZ:
 	OUT	(EIPC_SCDP),A		; SET SYSTEM CONTROL DATA PORT (SCDP)
 #ENDIF
 ;
+#IF ((MEMMGR == MM_SBC) | (MEMMGR == MM_MBC))
+	; SET PAGING REGISTERS
+  #IFDEF ROMBOOT
+	XOR	A
+	OUT	(MPCL_RAM),A		; REMOVE RAM FIRST!
+	OUT	(MPCL_ROM),A		; SELECT ROM PAGE 0
+  #ENDIF
+#ENDIF
+;
 #IF (MEMMGR == MM_Z2)
 	; SET PAGING REGISTERS
   #IFDEF ROMBOOT
diff --git a/Source/Images/Common/FLASH.COM b/Source/Images/Common/FLASH.COM
index c81f9c54..d1833a1b 100644
Binary files a/Source/Images/Common/FLASH.COM and b/Source/Images/Common/FLASH.COM differ
diff --git a/Source/RomDsk/ROM_1024KB/FLASH.COM b/Source/RomDsk/ROM_1024KB/FLASH.COM
index c81f9c54..d1833a1b 100644
Binary files a/Source/RomDsk/ROM_1024KB/FLASH.COM and b/Source/RomDsk/ROM_1024KB/FLASH.COM differ
diff --git a/Source/RomDsk/ROM_512KB/FLASH.COM b/Source/RomDsk/ROM_512KB/FLASH.COM
index c81f9c54..d1833a1b 100644
Binary files a/Source/RomDsk/ROM_512KB/FLASH.COM and b/Source/RomDsk/ROM_512KB/FLASH.COM differ
diff --git a/Source/ver.inc b/Source/ver.inc
index d74d870b..da066ebd 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.86"
+#DEFINE BIOSVER	"3.1.1-pre.87"
diff --git a/Source/ver.lib b/Source/ver.lib
index 9fd10d30..c85d1eba 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.86"
+	db	"3.1.1-pre.87"
 	endm
diff --git a/Tools/unix/bin2asm/Makefile b/Tools/unix/bin2asm/Makefile
index 27af4088..ec98153d 100644
--- a/Tools/unix/bin2asm/Makefile
+++ b/Tools/unix/bin2asm/Makefile
@@ -8,7 +8,7 @@ SRC_FILES = $(wildcard *.c)
 OBJ_FILES = $(SRC_FILES:.c=.o)
 
 all: $(BINARY) $(DEST)
-	cp $(BINARY) $(DEST)
+	cp -p $(BINARY) $(DEST)
 
 $(DEST):
 	mkdir -p $(DEST)
diff --git a/Tools/unix/bst/Makefile b/Tools/unix/bst/Makefile
index 0d269dea..d3170586 100644
--- a/Tools/unix/bst/Makefile
+++ b/Tools/unix/bst/Makefile
@@ -14,7 +14,7 @@ DEST = ../../$(UNAME)
 all: $(DEST)
 	-for i in *.$(SUFFIX) ; do \
 		chmod +x $$i ; \
-		cp $$i $(DEST)/$$(basename $$i .$(SUFFIX)) ; \
+		cp -p $$i $(DEST)/$$(basename $$i .$(SUFFIX)) ; \
 	done
 
 $(DEST):
diff --git a/Tools/unix/cpmtools/Makefile b/Tools/unix/cpmtools/Makefile
index d630b6f2..9c850895 100644
--- a/Tools/unix/cpmtools/Makefile
+++ b/Tools/unix/cpmtools/Makefile
@@ -23,7 +23,7 @@ DEVICEOBJ =	device_posix.o
 OBJECTS = cpmls cpmrm cpmcp cpmchmod cpmchattr mkfs.cpm fsck.cpm fsed.cpm
 
 all: $(OBJECTS) $(DEST)
-	cp $(OBJECTS) $(DEST)
+	cp -p $(OBJECTS) $(DEST)
 
 cpmls:	cpmls.o cpmfs.o getopt.o getopt1.o $(DEVICEOBJ)
 	$(CC) $(LDFLAGS) -o $@ cpmls.o cpmfs.o getopt.o getopt1.o $(DEVICEOBJ)
diff --git a/Tools/unix/lzsa/Makefile b/Tools/unix/lzsa/Makefile
index 0e0e7b28..84df4aab 100644
--- a/Tools/unix/lzsa/Makefile
+++ b/Tools/unix/lzsa/Makefile
@@ -33,7 +33,7 @@ OBJS += $(OBJDIR)/src/libdivsufsort/lib/trsort.o
 UNAME := $(shell uname)
 
 all: $(APP)
-	cp $(APP) ../../$(UNAME)
+	cp -p $(APP) ../../$(UNAME)
 
 $(APP): $(OBJS)
 	@mkdir -p ../../bin/posix
diff --git a/Tools/unix/uz80as/Makefile b/Tools/unix/uz80as/Makefile
index b99987aa..1a22b386 100644
--- a/Tools/unix/uz80as/Makefile
+++ b/Tools/unix/uz80as/Makefile
@@ -44,7 +44,7 @@ SOURCES = \
 	mc6800.c
 
 all: uz80as $(DEST)
-	cp uz80as $(DEST)
+	cp -p uz80as $(DEST)
 
 $(DEST):
 	mkdir -p $(DEST)
diff --git a/Tools/unix/zx/Makefile b/Tools/unix/zx/Makefile
index 995d1243..12adc60f 100644
--- a/Tools/unix/zx/Makefile
+++ b/Tools/unix/zx/Makefile
@@ -17,7 +17,7 @@ OBJECTS = zx.o cpmdrv.o cpmglob.o cpmparse.o cpmredir.o \
 UNUSED = dirent.o
 
 all: zx $(DEST)
-	cp bios.bin zx $(DEST)
+	cp -p bios.bin zx $(DEST)
 
 $(DEST):
 	mkdir -p $(DEST)