diff --git a/ReadMe.md b/ReadMe.md
index 2611303..12c1375 100644
--- a/ReadMe.md
+++ b/ReadMe.md
@@ -2,8 +2,6 @@
 Known issues
 ------------
 
-- Negative cursor positions unsupported
-- Positive scroll values unsupported
 - Hitting Reset in app that uses windows and desktop (no mouse needed) seems to mess up screen holes for Disk II
 - Mashing a button with mouse in Applesoft will cause Undefined Statement error
 - Repainting a view while the mouse cursor is on it will cause artifacts when mouse moves
diff --git a/views.s b/views.s
index bc24421..1a4475b 100644
--- a/views.s
+++ b/views.s
@@ -973,6 +973,10 @@ WGScrollX:
 
 	LDY_ACTIVEVIEW
 	pla
+	bmi WGScrollX_Store
+	lda #0					; Prevent positive scroll values
+
+WGScrollX_Store:
 	sta	WG_VIEWRECORDS+5,y
 	jsr	cacheClipPlanes		; Scroll offset changed, so clipping cache is stale
 
@@ -1043,6 +1047,10 @@ WGScrollY:
 
 	LDY_ACTIVEVIEW
 	pla
+	bmi WGScrollY_Store
+	lda #0					; Prevent positive scroll values
+
+WGScrollY_Store:
 	sta	WG_VIEWRECORDS+6,y
 	jsr	cacheClipPlanes		; Scroll offset changed, so clipping cache is stale
 
diff --git a/weegui.dsk b/weegui.dsk
index 7689eda..c564e64 100644
Binary files a/weegui.dsk and b/weegui.dsk differ