diff --git a/.Floppies/A2OSX.BLANK.woz b/.Floppies/A2OSX.BLANK.woz
index ae9c4133..a1f7d7e7 100644
Binary files a/.Floppies/A2OSX.BLANK.woz and b/.Floppies/A2OSX.BLANK.woz differ
diff --git a/.Floppies/A2OSX.BOOT.woz b/.Floppies/A2OSX.BOOT.woz
index baf88d22..87a97fbf 100644
Binary files a/.Floppies/A2OSX.BOOT.woz and b/.Floppies/A2OSX.BOOT.woz differ
diff --git a/.Floppies/A2OSX.BUILD.po b/.Floppies/A2OSX.BUILD.po
index c9751d62..8c03b419 100644
Binary files a/.Floppies/A2OSX.BUILD.po and b/.Floppies/A2OSX.BUILD.po differ
diff --git a/.Floppies/A2OSX.TEST.po b/.Floppies/A2OSX.TEST.po
index be5487a2..0b44c299 100644
Binary files a/.Floppies/A2OSX.TEST.po and b/.Floppies/A2OSX.TEST.po differ
diff --git a/ProDOS.FX/ProDOS.S.XRW.txt b/ProDOS.FX/ProDOS.S.XRW.txt
index ef049d2d..b867774c 100644
--- a/ProDOS.FX/ProDOS.S.XRW.txt
+++ b/ProDOS.FX/ProDOS.S.XRW.txt
@@ -41,86 +41,86 @@ XRW.START		cld						$D8 to flag language card bank 1 (main)
 				lda XRW.montimeh
 				bne .1
 *--------------------------------------
-L59BD  			jsr XRW.AllPhasesOff	make sure all motor phases are off
-
-				lda IO.D2.ReadMode,x	turn off write enable X = slot $S0
-				nop
-				nop
-
-				lda bloknml
+L59BD  			lda bloknml
 				ldx bloknml+1
 				stx XRW.ReqTrack		calculate block's track and sector.
 
 				ldy #$05
 
-.11	 			asl
+.1	 			asl
 				rol	XRW.ReqTrack
 				dey
-				bne .11
+				bne .1
 
 				asl
-				bcc .12
+				bcc .2
 
 				ora #$10				adjust for upper 4 bits of track
 
-.12	 			lsr
+.2	 			lsr
 				lsr
 				lsr
 				lsr
 				sta XRW.ReqSector
 *--------------------------------------
+				jsr XRW.AllPhasesOff	make sure all motor phases are off
+
+				lda IO.D2.ReadMode,x	turn off write enable X = slot $S0
+				nop
+				nop
+
 				jsr XRW.CheckMotorOn
 
-				php						save test results
-				lda #$E8
+				php						save motor on state : NZ if on
+
+				lda #$E8				24 up to 0
 				sta XRW.montimeh
 
 				lda unitnum				determine drive 1 or 2.
-				cmp XRW.LastUnitUsed	same drive used before ?
+				cmp XRW.LastUnitUsed	same slot/drive used before ?
 				sta XRW.LastUnitUsed	save it for next time.
 				php		  				keep results of compare.
 
 				asl 					get drive # into carry.
-				lda IO.D2.DrvOn,x  		turn on the drive.
-				bcc L5362				branch if drive 1 selected.
+				bcc .3					branch if drive 1 selected.
 				inx		  				select drive 2.
 
-L5362 			lda IO.D2.DrvSel1,x
+.3				lda IO.D2.DrvSel1,x
+
+				ldx A2L
+				lda IO.D2.DrvOn,x  		turn on the drive.
 
 				plp		  				was it the same drive ?
-				beq L5372				yes.
+				beq .5					yes.
 
-				plp		  				indicate drive off by setting z-flag.
+				plp		  				NZ: indicate drive off by setting z-flag.
 
 				ldy #7
 				lda #0		   			150 ms delay before stepping.
 
-.1				jsr XRW.Wait100usecA
+.4				jsr XRW.Wait100usecA
 				dey
-				bne .1
+				bne .4
 				
-				php
+				php						Z set
 
-L5372  			plp
-				bne L538E
+.5  			plp						was motor on ?
+				bne L538E				if so, don't wait.
 
 * motor was off, wait for it to speed up
 
-L537F  			lda #1
+.6  			lda #1
 				jsr XRW.Wait100usecA	wait 100us for each count in montime
 				
 				lda XRW.montimeh
-				bmi L537F				count up to 0000
+				bmi .6				count up to 0000
 
 * motor should be up to speed,
 * if it looks stopped then the drive is not present
 
 				jsr XRW.CheckMotorOn	is drive present ?
 				beq XRW.E.ND
-
-* now check: if it is not the status disk command,
-* locate the correct sector for this operation
-
+*--------------------------------------
 L538E  			lda A4L					get command #
 				bne .1
 				
@@ -764,11 +764,11 @@ XRW.Seek		ldx XRW.UnitIndex
 				jsr XRW.WaitSeekTime
 
 				jsr XRW.AllPhasesOff
-				jsr XRW.WaitSeekTime
+				lda #40
+				jsr XRW.Wait100usecA
 				bra .1
 
 .8				jsr XRW.Wait25600usec
-				jsr XRW.Wait25600usec
 *--------------------------------------
 XRW.AllPhasesOff
 				ldx A2L
@@ -790,6 +790,8 @@ XRW.QPhaseOn	pha
 				tay
 				
 				lda IO.D2.Ph0On,x
+				nop
+				nop
 				lda IO.D2.Ph0On,y
 				rts
 *--------------------------------------
@@ -809,58 +811,70 @@ XRW.ReadAddr	ldy #$FC
 				
 				ldx A2L					get slot #
 
-L569D  			iny
-				bne L56A5				counter LO
+.1  			iny
+				bne .2					counter LO
 				
 				inc XRW.CheckSum		counter HI
 				beq rderr
 				
-L56A5  			lda IO.D2.RData,x		read nibl
-				bpl L56A5				*** no page cross ***
+.2  			lda IO.D2.RData,x		read nibl
+				bpl .2
 				
-L56AA 			cmp #$D5	 			address mark 1 ?
-				bne L569D
+.3 				cmp #$D5	 			address mark 1 ?
+				bne .1
 				
 				nop		 				 nibl delay
 				
-L56AF 			lda IO.D2.RData,x
-				bpl L56AF				*** no page cross ***
+.4	 			lda IO.D2.RData,x
+				bpl .4
 
 				cmp #$AA	   			address mark 2 ?
-				bne L56AA				if not, is it address mark 1 ?
+				bne .3					if not, is it address mark 1 ?
 
 				ldy #$03	   			index for 4 byte read
 
-L56BA  			lda IO.D2.RData,x
-				bpl L56BA				*** no page cross ***
+.5  			lda IO.D2.RData,x
+				bpl .5
 
 				cmp #$96	   			address mark 3 ?
-				bne L56AA				if not, is it address mark 1
+				bne .3					if not, is it address mark 1
 
 				sei		  				???ALREADY DONE by XDOS.devmgr??? no interrupts until address is tested.
 				lda #$00	   			init checksum
 				
-L56C6  			sta XRW.CheckSum
+.6  			sta XRW.CheckSum
 
-L56C9  			lda IO.D2.RData,x		read 'odd bit' nibl
-				bpl L56C9				*** no page cross ***
+.7  			lda IO.D2.RData,x		read 'odd bit' nibl
+				bpl .7
 
 				rol		 				align odd bits, '1' into lsb.
 				sta XRW.Temp4x4			save them.
 				
-L56D2  			lda IO.D2.RData,x		read 'even bit' nibl
-				bpl L56D2				*** no page cross ***
+.8  			lda IO.D2.RData,x		read 'even bit' nibl
+				bpl .8
 				
 				and XRW.Temp4x4			merge odd and even bits.
 				sta XRW.AddrField.C,y	store data byte.
 				eor XRW.CheckSum
 				dey
-				bpl L56C6				loop on 4 data bytes.
+				bpl .6					loop on 4 data bytes.
 				
 				tay		  				if final checksum non-zero,
 				bne rderr				then error.
+
+.9				lda IO.D2.RData,x
+				bpl .9
 				
-				ldy XRW.UnitIndex		Succesfull REad, update Drive table
+				cmp #$DE
+				bne rderr
+				
+.10				lda IO.D2.RData,x
+				bpl .10
+				
+				cmp #$AA
+				bne rderr
+
+				ldy XRW.UnitIndex		Succesfull Read, update Drive table
 				
 				lda XRW.AddrField.V
 				sta XRW.D2VolNum-1,y
diff --git a/SYS/KERNEL.S.TERMX.txt b/SYS/KERNEL.S.TERMX.txt
index 64d4d559..01de5580 100644
--- a/SYS/KERNEL.S.TERMX.txt
+++ b/SYS/KERNEL.S.TERMX.txt
@@ -1145,7 +1145,6 @@ TERMX.CLRSCR.1	ldy #24
 
 TERMX.CLRSCR.2	sty .1+1
 
-				sta SET80STORE
 .1				cpx #$ff				SELF MODIFIED
 				beq .9
 				jsr TERMX.SETUP.L1X
@@ -1153,6 +1152,9 @@ TERMX.CLRSCR.2	sty .1+1
 
 				bit bActive
 				bpl .4
+				
+				sta SET80STORE
+
 				sta SETPAGE2
 				jsr .7
 
@@ -1167,6 +1169,7 @@ TERMX.CLRSCR.2	sty .1+1
 
 				inx
 				bra .1
+
 .7				ldy #39
 .8				sta (ZPScrBaseL1),y
 				dey
@@ -1296,7 +1299,9 @@ TERMX.COPY.XtoL1
 				sta ZPScrBaseL2
 				lda SCR.BASEH,x
 				sta ZPScrBaseL2+1
+
 				sta SET80STORE
+
 				sta SETPAGE2
 				jsr .6
 				sta CLRPAGE2
@@ -1368,6 +1373,7 @@ SetCharAtY.SCR	pha
 				tay
 				pla
 
+				sta SET80STORE
 				sta CLRPAGE2
 				bcs .2
 				sta SETPAGE2
diff --git a/SYS/KM.RAMWORKS.S.txt b/SYS/KM.RAMWORKS.S.txt
index 33bb0e15..4e4c2625 100644
--- a/SYS/KM.RAMWORKS.S.txt
+++ b/SYS/KM.RAMWORKS.S.txt
@@ -379,7 +379,7 @@ RWDRV.START		cld						ProDOS will check that byte!!!
 				inc 					+1 for skipping Aux BANK 0
 				plx						move page into X
 				
-*				php						Disable IRQ as no vector set in RW Banks
+				php						Disable IRQ as no vector set in RW Banks
 				sei
 				
 				beq RWDRV.GOAUX			move from/to aux page0/1
@@ -418,10 +418,6 @@ RWDRV.RW.DST	sta ($FF),y
 				iny
 				bne RWDRV.RW.SRC
 
-				.HS	24				BIT Zero Page to skip RTS
-				.LIST ON
-RWDRV.RTS		rts					$FF58 Must Be RTS
-				.LIST OFF
 				dec DRV.BUFF+1
 				dec DRV.A2H
 				dex
@@ -431,8 +427,7 @@ RWDRV.RTS		rts					$FF58 Must Be RTS
 				sta CLRREADAUX
 				sta CLRWRITEAUX
 
-*				plp
-				cli
+				plp
 
 RMDRV.CMDSTATUS
 RWDRV.MAXLO		ldx #$FF				return device block count in X,Y...
@@ -597,10 +592,6 @@ RWDRVX.SIZE		.EQ	RWDRVX.B.END-RWDRVX.B.START
 *--------------------------------------
 * CONTROL SECTION :
 *--------------------------------------
-				.DO RWDRV.RTS=$FF58
-				.ELSE
-				ERROR:RWDRV.RTS <> $FF58
-				.FIN
 				.DO RWDRV.SIZE>$9B
 				ERROR:RWDRV.SIZE too big
 				.FIN