diff --git a/Doc/RomWBW Applications.pdf b/Doc/RomWBW Applications.pdf
index ed28704b..4f21039c 100644
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diff --git a/Doc/RomWBW Architecture.pdf b/Doc/RomWBW Architecture.pdf
index fa9ec503..2fee8c60 100644
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diff --git a/Doc/RomWBW Disk Catalog.pdf b/Doc/RomWBW Disk Catalog.pdf
index 1d9cf04e..39843e0c 100644
Binary files a/Doc/RomWBW Disk Catalog.pdf and b/Doc/RomWBW Disk Catalog.pdf differ
diff --git a/Doc/RomWBW Getting Started.pdf b/Doc/RomWBW Getting Started.pdf
index 8f0d1348..0ebfa20f 100644
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diff --git a/ReadMe.md b/ReadMe.md
index 9cd672ab..a37f7228 100644
--- a/ReadMe.md
+++ b/ReadMe.md
@@ -3,7 +3,7 @@
 ## Z80/Z180 System Software
 
 Version 3.1 Pre-release  
-Wednesday 13 May 2020
+Saturday 16 May 2020
 
 Wayne Warthen <wwarthen@gmail.com>
 
@@ -775,6 +775,10 @@ tracks. `CPMLDR.SYS` chain loads `CPM3.SYS`.
     used to read the current date/time for file stamping, etc. You can
     use the `RTC` app to set the RTC clock.
 
+  - The `COPYSYS` command described in the DRI CP/M 3 documentatin is
+    not provided with RomWBW. The RomWBW `SYSCOPY` command is used
+    instead.
+
 ## Simeon Cran’s ZPM3
 
 ZPM3 is an interesting combination of the features of both CP/M 3 and
diff --git a/ReadMe.txt b/ReadMe.txt
index 4ce8acd7..81a3de1e 100644
--- a/ReadMe.txt
+++ b/ReadMe.txt
@@ -3,7 +3,7 @@ RomWBW
 Z80/Z180 System Software
 
 Version 3.1 Pre-release
-Wednesday 13 May 2020
+Saturday 16 May 2020
 
 Wayne Warthen wwarthen@gmail.com
 
@@ -804,6 +804,9 @@ Notes
     to read the current date/time for file stamping, etc. You can use
     the RTC app to set the RTC clock.
 
+-   The COPYSYS command described in the DRI CP/M 3 documentatin is not
+    provided with RomWBW. The RomWBW SYSCOPY command is used instead.
+
 Simeon Cran’s ZPM3
 
 ZPM3 is an interesting combination of the features of both CP/M 3 and
diff --git a/Source/Apps/SysCopy.asm b/Source/Apps/SysCopy.asm
index 144f9536..10b85bd2 100644
--- a/Source/Apps/SysCopy.asm
+++ b/Source/Apps/SysCopy.asm
@@ -17,6 +17,7 @@
 ; Change Log:
 ;   2016-04-24 [WBW] Updated to preserve MBR partition table
 ;   2020-02-17 [WBW] Updated for CP/M 3
+;   2020-05-16 [WBW] Fixed SPT for CP/M 3
 ;_______________________________________________________________________________
 ;
 ; ToDo:
@@ -441,6 +442,16 @@ setdsk:
 	ld	c,(hl)
 	inc	hl
 	ld	b,(hl)		; BC := sectors per track
+	; handle CP/M 3 physical sector size
+	ld	a,(v3os)	; CP/M 3 or greater?
+	or	a		; set flags
+	jr	z,setdsk1	; if not, continue
+	; adjust SPT for CP/M 3 physical sector size
+	srl	b		; divide SPT by 4
+	rr	c
+	srl	b
+	rr	c
+setdsk1:
 	ld	(actspt),bc	; save it
 	; ensure there are system tracks (verify that offset field in DPB is not zero)
 	ld	de,12		; offset field is 12 bytes into DPB
@@ -952,7 +963,7 @@ bpb_hl	.dw	0		; reg HL
 ;
 ; Messages
 ;
-msgban1	.db	"SYSCOPY v2.0 for RomWBW CP/M, 17-Feb-2020$"
+msgban1	.db	"SYSCOPY v2.1 for RomWBW CP/M, 15-May-2020$"
 msgv2	.db	" (CP/M 2 Mode)$"
 msgv3	.db	" (CP/M 3 Mode)$"
 msgban2	.db	"Copyright 2020, Wayne Warthen, GNU GPL v3$"
diff --git a/Source/Doc/GettingStarted.md b/Source/Doc/GettingStarted.md
index a8be357a..f63ef2e3 100644
--- a/Source/Doc/GettingStarted.md
+++ b/Source/Doc/GettingStarted.md
@@ -823,6 +823,9 @@ system tracks.  `CPMLDR.SYS` chain loads `CPM3.SYS`.
 used to read the current date/time for file stamping, etc.  You can
 use the `RTC` app to set the RTC clock.
 
+- The `COPYSYS` command described in the DRI CP/M 3 documentatin is
+not provided with RomWBW.  The RomWBW `SYSCOPY` command is used instead.
+
 ## Simeon Cran's ZPM3
 
 ZPM3 is an interesting combination of the features of both CP/M 3 and
diff --git a/Source/Images/Common/COMP.COM b/Source/Images/Common/COMP.COM
deleted file mode 100644
index d91f079f..00000000
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diff --git a/Source/Images/Common/COMPARE.COM b/Source/Images/Common/COMPARE.COM
new file mode 100644
index 00000000..29fa41e6
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