diff --git a/A2OSX.BOOT.po b/A2OSX.BOOT.po
index dc436344..4438c726 100644
Binary files a/A2OSX.BOOT.po and b/A2OSX.BOOT.po differ
diff --git a/A2OSX.SRC.po b/A2OSX.SRC.po
index 617c0bfc..aedf83ad 100644
Binary files a/A2OSX.SRC.po and b/A2OSX.SRC.po differ
diff --git a/DRV/CONSOLE.DRV.S.txt b/DRV/CONSOLE.DRV.S.txt
index 521de4f3..816c822e 100644
--- a/DRV/CONSOLE.DRV.S.txt
+++ b/DRV/CONSOLE.DRV.S.txt
@@ -372,14 +372,17 @@ HOME			stz CH
 				lda #' '
 				ora INVFLG
 
+				php
+				sei
 				sta SETWRITEAUX
 				
 				ldy #39
 .2				sta (ZPBaseL1),y		
 				dey
 				bpl .2
-				
+
 				sta CLRWRITEAUX
+				plp
 
 				ldy #39
 .3				sta (ZPBaseL1),y		
@@ -420,23 +423,7 @@ SCROLL.UP		ldx SCROLLTOP
 				lda BASEH,x
 				sta ZPBaseL2+1
 				
-				ldy #39
-				sta SETWRITEAUX
-				sta SETREADAUX
-				
-.2				lda (ZPBaseL2),y
-				sta (ZPBaseL1),y 
-				dey
-				bpl .2
-
-				ldy #39
-				sta CLRWRITEAUX
-				sta CLRREADAUX
-				
-.3				lda (ZPBaseL2),y
-				sta (ZPBaseL1),y 
-				dey
-				bpl .3
+				jsr COPY.L2toL1
 
 				cpx SCROLLBOT
 				bne .1
@@ -475,23 +462,7 @@ SCROLL.DN		ldx SCROLLBOT
 				lda BASEH,x
 				sta ZPBaseL2+1
 				
-				ldy #39
-				sta SETWRITEAUX
-				sta SETREADAUX
-				
-.2				lda (ZPBaseL2),y
-				sta (ZPBaseL1),y 
-				dey
-				bpl .2
-
-				ldy #39
-				sta CLRWRITEAUX
-				sta CLRREADAUX
-				
-.3				lda (ZPBaseL2),y
-				sta (ZPBaseL1),y 
-				dey
-				bpl .3
+				jsr COPY.L2toL1
 
 				cpx SCROLLTOP
 				bne .1			
@@ -661,11 +632,14 @@ SetCharAtXY		cmp #$40
 				bcs .10
 				and #$3F
 				
-.10				pha
+.10				php
+				pha
 				txa
 				lsr
-
+				
 				bcs .1
+				
+				sei
 				sta SETWRITEAUX
 				
 .1				clc
@@ -676,13 +650,19 @@ SetCharAtXY		cmp #$40
 
 				pla
 				sta (ZPBaseL1)
+				
 				sta CLRWRITEAUX
+				plp
+				
 				rts	
 *--------------------------------------
-GetCharAtXY		txa
+GetCharAtXY		php
+				txa
 				lsr
 
 				bcs .1
+				
+				sei
 				sta SETREADAUX
 				
 .1				clc
@@ -692,9 +672,36 @@ GetCharAtXY		txa
 				sta ZPBaseL1+1
 
 				lda (ZPBaseL1)
+				
 				sta CLRREADAUX
+				
+				plp
 				rts	
 *--------------------------------------
+COPY.L2toL1		php
+				sei
+				sta SETWRITEAUX
+				sta SETREADAUX
+				
+				ldy #39
+				
+.1				lda (ZPBaseL2),y
+				sta (ZPBaseL1),y 
+				dey
+				bpl .1
+
+				sta CLRWRITEAUX
+				sta CLRREADAUX
+				plp
+
+				ldy #39
+				
+.2				lda (ZPBaseL2),y
+				sta (ZPBaseL1),y 
+				dey
+				bpl .2
+				rts
+*--------------------------------------
 IsDigit			cmp #'0'
 				bcc .9
 				cmp #'9'+1
diff --git a/SYS/KERNEL.S.D01.txt b/SYS/KERNEL.S.D01.txt
index 869f8bd0..cfca5fc4 100644
--- a/SYS/KERNEL.S.D01.txt
+++ b/SYS/KERNEL.S.D01.txt
@@ -1,6 +1,6 @@
 PR#3
 PREFIX /A2OSX.SRC
-LOMEM $A00
+LOMEM $900
 INC 1
 AUTO 6
 				.LIST OFF
@@ -207,17 +207,22 @@ DevMgr.SYS.Scroll
 				lda DevMgr.SYS.BASEH,x
 				sta ZPDRV+3
 
-				ldy #39
+				php
+				sei
 				sta SETWRITEAUX
 				sta SETREADAUX
+
+				ldy #39
 .2				lda (ZPDRV+2),y
 				sta (ZPDRV),y
 				dey
 				bpl .2
 
-				ldy #39
 				sta CLRWRITEAUX
 				sta CLRREADAUX
+				plp
+				
+				ldy #39
 .3				lda (ZPDRV+2),y
 				sta (ZPDRV),y
 				dey
@@ -231,9 +236,11 @@ DevMgr.SYS.ClrLineAtX
 				sta ZPDRV
 				lda DevMgr.SYS.BASEH,x
 				sta ZPDRV+1
+
+				php
+				sei
 				
 				lda #$A0
-
 				ldy #39
 				
 .1				sta SETWRITEAUX
@@ -243,6 +250,8 @@ DevMgr.SYS.ClrLineAtX
 				dey
 				bpl .1
 
+				plp
+				
 				rts
 *--------------------------------------
 DevMgr.SYS.Home	ldx #23
@@ -264,7 +273,9 @@ DevMgr.SYS.SetCharAtYX
 				bcs .1
 				and #$3F
 				
-.1				phy
+.1				php
+				
+				phy
 				pha
 				lda DevMgr.SYS.BASEL,x
 				sta ZPDRV
@@ -280,6 +291,9 @@ DevMgr.SYS.SetCharAtYX
 				sta (ZPDRV),y
 				sta CLRWRITEAUX
 				ply
+				
+				plp
+				
 				rts
 *--------------------------------------
 DevMgr.SYS.CH		.BS 1
diff --git a/SYS/KERNEL.S.EVT.txt b/SYS/KERNEL.S.EVT.txt
index 638e1979..ed0e7fbe 100644
--- a/SYS/KERNEL.S.EVT.txt
+++ b/SYS/KERNEL.S.EVT.txt
@@ -1,6 +1,6 @@
 PR#3
 PREFIX /A2OSX.SRC
-LOMEM $A00
+LOMEM $900
 INC 1
 AUTO 6
 				.LIST OFF
@@ -16,13 +16,12 @@ EVT.GetEvents	stz	pEvent				point to start of event list
 				stz EvtMgr.Count		reset Size
 				
 				lda K.IrkMgr.VBL		do we have IRQ enabled for VBL ?
-				beq .10					no, regular poll
+				bpl .10					no, regular poll
 				
 				lda K.IrkMgr.VBLINT
 				beq EVT.GetEvents.DEV	no
 				
 				dec K.IrkMgr.VBLINT
-				stz K.IrkMgr.VBLINT
 				bra .11
 				
 .10				lda VBL					get VLINE status
diff --git a/SYS/KERNEL.S.INIT3.txt b/SYS/KERNEL.S.INIT3.txt
index 33fd6b3b..737447be 100644
--- a/SYS/KERNEL.S.INIT3.txt
+++ b/SYS/KERNEL.S.INIT3.txt
@@ -1,6 +1,6 @@
 PR#3
 PREFIX /A2OSX.SRC
-LOMEM $A00
+LOMEM $900
 INC 1
 AUTO 6
 				.LIST OFF
@@ -145,6 +145,7 @@ DevMgr.SYS		.DA DevMgr.SYS.Code
 *--------------------------------------
 SETMOUSE		.EQ $12  				Sets mouse mode
 SERVEMOUSE		.EQ $13					Services mouse interrupt
+READMOUSE		.EQ $14  				Reads mouse position 
 INITMOUSE 		.EQ $19					Resets mouse clamps to default values,sets mouse position to 0,0
 *--------------------------------------
 IrqMgrInit		php
@@ -191,17 +192,23 @@ IrqMgrInit		php
 				
 .4				lda ZPPtr1+1
 				sta GOMOUSE.JMP+2		DEVSLOTCn
-				sta K.IrqMgrVBL.JMP+2
-				and #$0F
+				sta K.IrqMgrVBL.MSM+2
+				sta K.IrqMgrVBL.MRM+2
+
 				asl
 				asl
 				asl
 				asl
 				sta GOMOUSE.n0+1
+				sta K.IrqMgrVBL.n0
 
 				ldy #SERVEMOUSE
 				lda (ZPPtr1),y
-				sta K.IrqMgrVBL.JMP+1
+				sta K.IrqMgrVBL.MSM+1
+
+				ldy #READMOUSE
+				lda (ZPPtr1),y
+				sta K.IrqMgrVBL.MRM+1
 				
 				bit RROMBNK2			Renable ROM to allow MOUSE II firmware works properly
 						
@@ -217,7 +224,7 @@ IrqMgrInit		php
 				bit RRAMWRAMBNK1		Back To LC Ram
 				bit RRAMWRAMBNK1
 				
-				inc K.IrkMgr.VBL
+				inc K.IrkMgr.VBL		set=1 awaiting IrqMgr confirmation
 				
 				plp
 				clc
diff --git a/SYS/KERNEL.S.IRQ.txt b/SYS/KERNEL.S.IRQ.txt
index 614663fb..19ba2397 100644
--- a/SYS/KERNEL.S.IRQ.txt
+++ b/SYS/KERNEL.S.IRQ.txt
@@ -1,6 +1,6 @@
 PR#3
 PREFIX /A2OSX.SRC
-LOMEM $A00
+LOMEM $900
 INC 1
 AUTO 6
 				.LIST OFF
@@ -59,12 +59,20 @@ K.IrkMgr.VBLINT	.BS 1
 * Called by ProDOS IRQ Manager (GP)
 *--------------------------------------
 K.IrqHandler	lda K.IrkMgr.VBL
-				beq .10
+				beq .10					0, totally disabled....
 				
-				jsr K.IrqMgrVBL.JMP
+				jsr K.IrqMgrVBL.MSM		SERVEMOUSE
 				bcs .10					Not From Mouse VBL
 				
+				ldx K.IrqMgrVBL.MRM+2	$Cn
+				ldy K.IrqMgrVBL.n0
+				jsr K.IrqMgrVBL.MRM		READMOUSE
+				
 				inc K.IrkMgr.VBLINT
+				
+				lda #$ff 
+				sta K.IrkMgr.VBL		Confirm VBL signal valid for EvtMgr
+				
 				clc
 				rts
 				
@@ -97,7 +105,9 @@ K.IrqHandler	lda K.IrkMgr.VBL
 				
 .8				rts
 *--------------------------------------
-K.IrqMgrVBL.JMP	jmp $0000
+K.IrqMgrVBL.n0	.BS 1
+K.IrqMgrVBL.MSM	jmp $0000
+K.IrqMgrVBL.MRM	jmp $0000
 *--------------------------------------
 K.IrqHandlerJMP	lda ($fe)
 				sta .1+1
diff --git a/SYS/KERNEL.S.txt b/SYS/KERNEL.S.txt
index d9e305ca..66e093fc 100644
--- a/SYS/KERNEL.S.txt
+++ b/SYS/KERNEL.S.txt
@@ -1,6 +1,6 @@
 PR#3
 PREFIX /A2OSX.SRC
-LOMEM $A00
+LOMEM $900
 INC 1
 AUTO 6
 				.LIST OFF
diff --git a/SYS/KM.APPLETALK.txt b/SYS/KM.APPLETALK.txt
index 5d4b7dc1..f74fae77 100644
--- a/SYS/KM.APPLETALK.txt
+++ b/SYS/KM.APPLETALK.txt
@@ -97,7 +97,7 @@ AT.INIT			>LDAXI MSG.INIT
 				bcs .9
 				
 				jsr GO.WSCARD
-				.DA #MLIGETPREFIX
+				.DA #MLISETPREFIX
 				.DA MLIGETPREFIX.PARAMS
 				bcs .9
 				
@@ -128,7 +128,7 @@ WC.Flag			.BS 1
 MLIATALK.PARAMS	.DA #0					Sync
 				.DA #1					INIT
 				.BS 2					RC
-				.DA #$40				??? from ATINIT dissaembly
+				.DA #$40				??? from ATINIT disassembly
 *--------------------------------------
 MLIALLOCIRQ.PARAMS
 				.DA #2					Param Count