diff --git a/SYS/KERNEL.S.BIN.txt b/SYS/KERNEL.S.BIN.txt
index f14bfa46..59d58719 100644
--- a/SYS/KERNEL.S.BIN.txt
+++ b/SYS/KERNEL.S.BIN.txt
@@ -4,7 +4,6 @@ NEW
 INC 1
 AUTO 6
 				.LIST OFF
-				.OP	65C02
 *--------------------------------------
 * S.LoadBinA
 *  in :
diff --git a/SYS/KERNEL.S.CIO.txt b/SYS/KERNEL.S.CIO.txt
index 0b7b0db8..76789bf7 100644
--- a/SYS/KERNEL.S.CIO.txt
+++ b/SYS/KERNEL.S.CIO.txt
@@ -4,7 +4,6 @@ NEW
 INC 1
 AUTO 6
 				.LIST OFF
-				.OP	65C02
 *--------------------------------------
 S.DecOutA		tay
 				lda #0
@@ -222,15 +221,19 @@ S.PSTROutYAS2	phy
 				>PULLYA
 S.PSTROutYAS	>STYA ZPQuickPtr2
 
-				ldy #0
-.1				iny
-				lda (ZPQuickPtr2),y
+				clc
+				lda (ZPQuickPtr2)
+				tax
+				beq .9
+				
+				ldy #1
+.1				lda (ZPQuickPtr2),y
 				jsr S.COutA
 				bcs .9
-				tya
-				eor (ZPQuickPtr2)		do not alter C
+				iny
+				dex
 				bne .1 
-				
+
 .9				ply
 				rts
 *--------------------------------------
diff --git a/SYS/KERNEL.S.DEV.txt b/SYS/KERNEL.S.DEV.txt
index 7da5e72f..dff00d8a 100644
--- a/SYS/KERNEL.S.DEV.txt
+++ b/SYS/KERNEL.S.DEV.txt
@@ -4,7 +4,6 @@ NEW
 INC 1
 AUTO 6
 				.LIST OFF
-				.OP	65C02
 *--------------------------------------
 DevMgr.HiMem	.EQ $FFFE				Protect IRQ vector in Aux LC
 *--------------------------------------
diff --git a/SYS/KERNEL.S.DRV.txt b/SYS/KERNEL.S.DRV.txt
index 09cc27cd..5bf0d493 100644
--- a/SYS/KERNEL.S.DRV.txt
+++ b/SYS/KERNEL.S.DRV.txt
@@ -4,7 +4,6 @@ NEW
 INC 1
 AUTO 6
 				.LIST OFF
-				.OP	65C02
 *--------------------------------------
 * S.LoadDrvA
 *  in :
diff --git a/SYS/KERNEL.S.ENV.txt b/SYS/KERNEL.S.ENV.txt
index fdc8c29c..8cd4e6f5 100644
--- a/SYS/KERNEL.S.ENV.txt
+++ b/SYS/KERNEL.S.ENV.txt
@@ -4,7 +4,6 @@ NEW
 INC 1
 AUTO 6
 				.LIST OFF
-				.OP	65C02
 *--------------------------------------
 * S.ExpandPStrA
 *  In:
diff --git a/SYS/KERNEL.S.EVT.txt b/SYS/KERNEL.S.EVT.txt
index d8bdfd3a..8259d102 100644
--- a/SYS/KERNEL.S.EVT.txt
+++ b/SYS/KERNEL.S.EVT.txt
@@ -4,7 +4,6 @@ NEW
 INC 1
 AUTO 6
 				.LIST OFF
-				.OP	65C02
 *--------------------------------------
 * S.EvtMgrInit
 *--------------------------------------
diff --git a/SYS/KERNEL.S.FIO.txt b/SYS/KERNEL.S.FIO.txt
index 29d8cb63..e3a03051 100644
--- a/SYS/KERNEL.S.FIO.txt
+++ b/SYS/KERNEL.S.FIO.txt
@@ -4,7 +4,6 @@ NEW
 INC 1
 AUTO 6
 				.LIST OFF
-				.OP	65C02
 *--------------------------------------
 *               PUBLIC
 *--------------------------------------
diff --git a/SYS/KERNEL.S.IRQ.txt b/SYS/KERNEL.S.IRQ.txt
index 997bf2e8..9e6a98e7 100644
--- a/SYS/KERNEL.S.IRQ.txt
+++ b/SYS/KERNEL.S.IRQ.txt
@@ -4,7 +4,6 @@ NEW
 INC 1
 AUTO 6
 				.LIST OFF
-				.OP	65C02
 *--------------------------------------
 * Setup MainLC ($3FE)
 *
diff --git a/SYS/KERNEL.S.LIB.txt b/SYS/KERNEL.S.LIB.txt
index bcab0a10..c15665f8 100644
--- a/SYS/KERNEL.S.LIB.txt
+++ b/SYS/KERNEL.S.LIB.txt
@@ -4,7 +4,6 @@ NEW
 INC 1
 AUTO 6
 				.LIST OFF
-				.OP	65C02
 *--------------------------------------
 * S.LoadLibYA
 *  in :
diff --git a/SYS/KERNEL.S.MEM.txt b/SYS/KERNEL.S.MEM.txt
index cefa4095..44ba20db 100644
--- a/SYS/KERNEL.S.MEM.txt
+++ b/SYS/KERNEL.S.MEM.txt
@@ -4,7 +4,6 @@ NEW
 INC 1
 AUTO 6
 				.LIST OFF
-				.OP	65C02
 *--------------------------------------
 * !!!!!!!! DO NOT USE VCPU16 !!!!!!!!
 * !!!!!! DO NOT USE ZPQuickPTRs !!!!!
diff --git a/SYS/KERNEL.S.MLI.txt b/SYS/KERNEL.S.MLI.txt
index d63adcdd..8acd8159 100644
--- a/SYS/KERNEL.S.MLI.txt
+++ b/SYS/KERNEL.S.MLI.txt
@@ -4,7 +4,6 @@ NEW
 INC 1
 AUTO 6
 				.LIST OFF
-				.OP	65C02
 *--------------------------------------
 *               PUBLIC
 *--------------------------------------
diff --git a/SYS/KERNEL.S.NET.txt b/SYS/KERNEL.S.NET.txt
index 9aa893b0..b2491d81 100644
--- a/SYS/KERNEL.S.NET.txt
+++ b/SYS/KERNEL.S.NET.txt
@@ -4,7 +4,6 @@ NEW
 INC 1
 AUTO 6
 				.LIST OFF
-				.OP	65C02
 *--------------------------------------
 * S.AddNetCfg
 *  in :
diff --git a/SYS/KERNEL.S.STR.txt b/SYS/KERNEL.S.STR.txt
index 46c77e87..ef062a8d 100644
--- a/SYS/KERNEL.S.STR.txt
+++ b/SYS/KERNEL.S.STR.txt
@@ -4,7 +4,6 @@ NEW
 INC 1
 AUTO 6
 				.LIST OFF
-				.OP	65C02
 *--------------------------------------
 * S.PStrCpyA
 *  In:
diff --git a/SYS/KERNEL.S.TSK.txt b/SYS/KERNEL.S.TSK.txt
index 68a69ae2..52db88d9 100644
--- a/SYS/KERNEL.S.TSK.txt
+++ b/SYS/KERNEL.S.TSK.txt
@@ -4,7 +4,6 @@ NEW
 INC 1
 AUTO 6
 				.LIST OFF
-				.OP	65C02
 *--------------------------------------
 * S.TskMgrInit
 *--------------------------------------