diff --git a/defines_apple.s b/defines_apple.s
index d411605..8e9c718 100644
--- a/defines_apple.s
+++ b/defines_apple.s
@@ -27,6 +27,7 @@ STACK_TOP		:= $F8
 SPACE_FOR_GOSUB := $36
 CRLF_1 := CR
 CRLF_2 := $80
+WIDTH			:= 40
 
 ; memory layout
 RAMSTART2	:= $2A00
diff --git a/defines_kim.s b/defines_kim.s
index 7c09743..4954a61 100644
--- a/defines_kim.s
+++ b/defines_kim.s
@@ -19,6 +19,7 @@ ZP_START2 = $63
 STACK_TOP		:= $FC
 SPACE_FOR_GOSUB := $36
 NULL_MAX		:= $F2 ; probably different in original version; the image I have seems to be modified; see PDF
+WIDTH			:= 72
 
 ; magic memory locations
 L1800           := $1800
diff --git a/defines_microtan.s b/defines_microtan.s
index 2f04ebc..09fffa1 100644
--- a/defines_microtan.s
+++ b/defines_microtan.s
@@ -23,7 +23,7 @@ TXPSV           := $00BA
 STACK_TOP		:= $FE
 SPACE_FOR_GOSUB := $3E
 NULL_MAX		:= $F0
-
+WIDTH			:= 80
 ; memory layout
 RAMSTART2 := $0400
 
diff --git a/defines_osi.s b/defines_osi.s
index b2efaf6..ac23e1c 100644
--- a/defines_osi.s
+++ b/defines_osi.s
@@ -20,6 +20,7 @@ USR             := $000A
 STACK_TOP		:= $FC
 SPACE_FOR_GOSUB := $33
 NULL_MAX		:= $0A
+WIDTH			:= 72
 
 ; memory layout
 RAMSTART2		:= $0300
diff --git a/init.s b/init.s
index db8252f..dc52ca2 100644
--- a/init.s
+++ b/init.s
@@ -59,7 +59,7 @@ COLD_START2:
         sta     GOSTROUT
         sta     JMPADRS
   .endif
-  .if .def(CONFIG_SMALL) || .def(MICROTAN) || .def(APPLE)
+  .if (!.def(CONFIG_RAM)) && (!.def(CONFIG_CBM_ALL))
         sta     USR
   .endif
 
@@ -75,20 +75,12 @@ COLD_START2:
           sty     USR+2
   .endif
   .ifndef CONFIG_CBM_ALL
-    .ifdef APPLE
-        lda     #$28
-    .else
-	  .ifdef MICROTAN
-        lda     #$50
-      .else
-        lda     #$48
-      .endif
-    .endif
+        lda     #WIDTH
         sta     Z17
     .ifdef APPLE
-        lda     #$0E
+        lda     #14
     .else
-        lda     #$38
+        lda     #56
     .endif
         sta     Z18
   .endif