diff --git a/basic/x16additions.s b/basic/x16additions.s
index b3301496..da0c8915 100644
--- a/basic/x16additions.s
+++ b/basic/x16additions.s
@@ -54,12 +54,14 @@ monitor:
 	jsr bjsrfar
 	.word $c000
 	.byte BANK_MONITOR
+	; does not return
 
 ;***************
 geos:
 	jsr bjsrfar
 	.word $c000 ; entry
 	.byte BANK_GEOS
+	; does not return
 
 ;***************
 color	jsr getcol ; fg
diff --git a/geos/kernal/conio/conio5.s b/geos/kernal/conio/conio5.s
index a82994e2..d7c363d4 100644
--- a/geos/kernal/conio/conio5.s
+++ b/geos/kernal/conio/conio5.s
@@ -8,7 +8,8 @@
 .include "geosmac.inc"
 .include "config.inc"
 .include "gkernal.inc"
-.include "c64.inc"
+
+.include "io.inc"
 
 .import _DisablSprite
 .import _EnablSprite
@@ -66,58 +67,53 @@ PrmptOff1:
 .endif
 
 _InitTextPrompt:
-	tay
-.if 0
-	START_IO
-	MoveB mob0clr, mob1clr
-	lda moby2
-	and #%11111101
-	sta moby2
+	tay ; height
+
+	LoadB alphaFlag, %10000011
+
+	; init sprite #1
+	lda #1 * 8
+	sta VERA_ADDR_L
+	lda #>VERA_SPRITES_BASE
+	sta VERA_ADDR_M
+	lda #((^VERA_SPRITES_BASE) | $10)
+	sta VERA_ADDR_H
+	lda #<((sprite_addr + $1000) >> 5)
+	sta VERA_DATA0
+	lda #1 << 7 | >((sprite_addr + $1000) >> 5) ; 8 bpp
+	sta VERA_DATA0
+
+	; set size
+	lda #1 * 8 + 7
+	sta VERA_ADDR_L
+	lda #3 << 6 | 0 << 4 ;  8x64 px
+	sta VERA_DATA0
+
+	; create sprite image
+	lda #>(sprite_addr + $1000)
+	sta VERA_ADDR_M
+	lda #<(sprite_addr + $1000)
+	sta VERA_ADDR_L
+	lda #$10 | (sprite_addr >> 16)
+	sta VERA_ADDR_H
 	tya
 	pha
-	LoadB alphaFlag, %10000011
-	ldx #64
-	lda #0
-@1:	sta spr1pic-1,x
+	lda #6 ; blue
+@1:	sta VERA_DATA0
+	ldx #7
+@2:	stz VERA_DATA0 ; translucent
 	dex
-	bne @1
-	pla
-	tay
-.ifdef bsw128
-	cpy #42
-	bcc @X
-	ldy #42
-@X:
-.endif
-	cpy #21
-	bcc @2
-	beq @2
-	tya
-	lsr
-	tay
-	lda moby2
-	ora #2
-	sta moby2
-@2:
-.ifdef bsw128
-	tya
-	ora #$80
-	sta L8A7F
-.endif
-	lda #%10000000
-@3:	sta spr1pic,x
-	inx
-	inx
-	inx
+	bne @2
 	dey
-.ifdef bsw128 ; fix: copied 1 byte too many
+	bne @1
+	ply
+@3:	ldx #8
+@4:	stz VERA_DATA0 ; translucent
+	dex
+	bne @4
+	iny
+	cpy #64
 	bne @3
-.else
-	bpl @3
-.endif
-	END_IO
-.else
-;XXX TODO X16 cursor sprite
-.endif
+
 	rts
 
diff --git a/geos/kernal/keyboard/keyboard1.s b/geos/kernal/keyboard/keyboard1.s
index 88f2c307..cbacfa6d 100644
--- a/geos/kernal/keyboard/keyboard1.s
+++ b/geos/kernal/keyboard/keyboard1.s
@@ -9,10 +9,30 @@
 .include "config.inc"
 .include "gkernal.inc"
 .include "c64.inc"
+.include "banks.inc"
 
 .global _DoKeyboardScan
 
+.import KbdScanHelp2
+
 .segment "keyboard1"
 
 _DoKeyboardScan:
+	.import gjsrfar
+	jsr gjsrfar
+	.word $FF9F ; kbd_scan
+	.byte BANK_KERNAL
+
+	jsr gjsrfar
+	.word $FFE4 ; getin
+	.byte BANK_KERNAL
+
+	cmp #0
+	bne :+
 	rts
+
+:	cmp #20; PETSCII delete
+	bne :+
+	lda #8 ; ASCII backspace
+
+:	jmp KbdScanHelp2
diff --git a/geos/kernal/keyboard/keyboard2.s b/geos/kernal/keyboard/keyboard2.s
index adcf1c66..32733c13 100644
--- a/geos/kernal/keyboard/keyboard2.s
+++ b/geos/kernal/keyboard/keyboard2.s
@@ -3,17 +3,4 @@
 ;
 ; C64/C128 keyboard driver
 
-.include "const.inc"
-.include "geossym.inc"
-.include "geosmac.inc"
-.include "config.inc"
-.include "gkernal.inc"
-.include "c64.inc"
-
-.global KbdDecodeTab1
-.global KbdDecodeTab2
-.global KbdTab1
-.global KbdTab2
-.global KbdTestTab
-
 .segment "keyboard2"
diff --git a/geos/kernal/load/load1c.s b/geos/kernal/load/load1c.s
index 6a7608ad..edaabe0f 100644
--- a/geos/kernal/load/load1c.s
+++ b/geos/kernal/load/load1c.s
@@ -17,14 +17,8 @@
 .segment "load1c"
 
 DeskTopName:
-.ifdef bsw128
-	.byte "128 DESKTOP", 0
-.elseif .defined(gateway)
-	.byte "GATEWAY", 0
-	.byte 0 ; PADDING
-.elseif .defined(wheels)
-	.byte "DESKTOP", 0
-	.byte 0 ; PADDING
+.if 0
+	.byte "GEOWRITE", 0
 .else
 	.byte "DESK TOP", 0
 .endif
diff --git a/geos/kernal/sprites/sprites.s b/geos/kernal/sprites/sprites.s
index ea9f9c15..fbde4fa3 100644
--- a/geos/kernal/sprites/sprites.s
+++ b/geos/kernal/sprites/sprites.s
@@ -60,7 +60,13 @@ _EnablSprite:
 ; Destroyed: a, x, y, r6
 ;---------------------------------------------------------------
 _PosSprite:
-	lda #<(VERA_SPRITES_BASE + 2)
+	lda r3L
+	and #7
+	asl
+	asl
+	asl
+	clc
+	adc #<(VERA_SPRITES_BASE + 2)
 	sta VERA_ADDR_L
 	lda #>(VERA_SPRITES_BASE + 2)
 	sta VERA_ADDR_M
diff --git a/geos/kernal/start/start64.s b/geos/kernal/start/start64.s
index 131bfb70..54fb1535 100644
--- a/geos/kernal/start/start64.s
+++ b/geos/kernal/start/start64.s
@@ -76,6 +76,11 @@ _ResetHandle:
 	.word __drvcbdos_RUN__
 	.word __drvcbdos_SIZE__
 
+	lda #$0f ; iso mode
+	jsr gjsrfar
+	.word bsout
+	.byte BANK_KERNAL
+
 	lda #$80
 	jsr gjsrfar
 	.word screen_set_mode