diff --git a/border/shaders/hexagons-distance.slang b/border/shaders/hexagons-distance.slang
index 31f3ae8..63415a8 100644
--- a/border/shaders/hexagons-distance.slang
+++ b/border/shaders/hexagons-distance.slang
@@ -97,8 +97,8 @@ float noise( in vec3 x )
 void main()
 {
 // from raymarch demo
-    vec2 uv = gl_FragCoord.xy / params.OutputSize.xy;
-	vec2 pos = (-params.OutputSize.xy + 2.0*gl_FragCoord.xy)/ params.OutputSize.y;
+    vec2 uv = vTexCoord;
+	vec2 pos = (-params.OutputSize.xy + 8.0 * (vTexCoord * params.OutputSize.xy))/ params.OutputSize.y;
 	float timer = params.FrameCount * 0.025;
 	
     // distort
diff --git a/retro/ascii.slangp b/retro/ascii.slangp
new file mode 100644
index 0000000..98205c7
--- /dev/null
+++ b/retro/ascii.slangp
@@ -0,0 +1,5 @@
+shaders = 1
+
+shader0 = "shaders/ascii.slang"
+filter_linear0 = false
+scale_type_0 = source
diff --git a/retro/shaders/ascii.slang b/retro/shaders/ascii.slang
index e2b1cc3..ec89d49 100755
--- a/retro/shaders/ascii.slang
+++ b/retro/shaders/ascii.slang
@@ -45,8 +45,8 @@ layout(set = 0, binding = 2) uniform sampler2D Source;
 
 void main()
 {
-	vec2 uv = gl_FragCoord.xy;
-	vec3 col = texture(Source, floor(uv/8.0)*8.0/params.OutputSize.xy + vec2(-0.21, 0.0)).rgb;	
+	vec2 uv = vTexCoord * params.OutputSize.xy;
+	vec3 col = texture(Source, floor(uv/8.0)*8.0/params.OutputSize.xy).rgb;	
 	
 	float gray = dot(col.rgb, vec3(0.299, 0.587, 0.114));