F program doesn't require bang

7 files changed, 13 insertions, 16 deletions

diff --git a/README.md b/README.md
index e4d516e..1aadfed 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,7 @@ Moves southward.
 Fires bangs in nearby available cells, on **bang**.
 
 ### If `F`
-This function expects 2 functions, if the functions corresponds, F bangs southward, on **bang**. Erases function westward.
+This function expects 2 functions, if the functions corresponds, F bangs southward. Erases function westward.
 
 ### Generator `G`
 Generates a `D` on **bang**.
diff --git a/desktop/sources/scripts/keyboard.js b/desktop/sources/scripts/keyboard.js
index 3cd5bd7..0aa57db 100644
--- a/desktop/sources/scripts/keyboard.js
+++ b/desktop/sources/scripts/keyboard.js
@@ -16,6 +16,7 @@ function Keyboard()
 
     if(event.key == "Backspace"){ pico.grid.cursor.insert("."); return; }
     if(event.key == "Space"){ pico.grid.cursor.insert("."); return; }
+    if(event.key == "Escape"){ logo.remove(); return; }
 
     if(event.key.length == 1){
       pico.grid.cursor.insert(event.key);
diff --git a/desktop/sources/scripts/lib/logo.js b/desktop/sources/scripts/lib/logo.js
index fc6a4d3..0e5c6ea 100644
--- a/desktop/sources/scripts/lib/logo.js
+++ b/desktop/sources/scripts/lib/logo.js
@@ -46,6 +46,8 @@ function Logo(is_looping = false)
 
   this.remove = function()
   {
+    if(this.canvas.style.opacity == 0){ return; }
+    
     this.canvas.style.opacity = 0;
     setTimeout(() => { this.el.style.opacity = 0; },500)
     setTimeout(() => { document.body.removeChild(this.el); },1500)
diff --git a/desktop/sources/scripts/programs/f.js b/desktop/sources/scripts/programs/f.js
index 07ce9fc..121905f 100644
--- a/desktop/sources/scripts/programs/f.js
+++ b/desktop/sources/scripts/programs/f.js
@@ -8,7 +8,7 @@ function program_F(x,y)
 
   this.operation = function()
   {
-    if(!this.left() || !this.right() || !this.bang()){ return; }
+    if(!this.left() || !this.right()){ return; }
     
     if(this.left(this.right().glyph)){
       pico.program.remove(this.x-1,this.y)  
diff --git a/desktop/sources/scripts/programs/g.js b/desktop/sources/scripts/programs/g.js
index 8eb847b..ecbbab5 100644
--- a/desktop/sources/scripts/programs/g.js
+++ b/desktop/sources/scripts/programs/g.js
@@ -16,6 +16,6 @@ function program_G(x,y)
   this.fire = function()
   {
     pico.program.add(this.x,this.y+1,"d")
-    pico.program.lock(this.x,this.y+1)  
+    // pico.program.lock(this.x,this.y+1)  
   }
 }
\ No newline at end of file
diff --git a/desktop/sources/scripts/programs/n.js b/desktop/sources/scripts/programs/n.js
index ac9d6c9..04f84bd 100644
--- a/desktop/sources/scripts/programs/n.js
+++ b/desktop/sources/scripts/programs/n.js
@@ -8,6 +8,6 @@ function program_N(x,y)
 
   this.operation = function()
   {
-    pico.program.add(this.x,this.y+1,(pico.f % 9)+"");
+    pico.program.add(this.x,this.y+1,(pico.f % 10)+"");
   }
 }
\ No newline at end of file
diff --git a/desktop/sources/scripts/programs/s.js b/desktop/sources/scripts/programs/s.js
index ea33fc3..9ca4fa0 100644
--- a/desktop/sources/scripts/programs/s.js
+++ b/desktop/sources/scripts/programs/s.js
@@ -9,18 +9,12 @@ function program_S(x,y)
   this.operation = function()
   {
     var n = this.neighbor();
+    
+    if(!n){ return; }
 
-    if(n && n.glyph == "r"){
-      pico.program.add(n.x,n.y,"d");
-    }
-    if(n && n.glyph == "d"){
-      pico.program.add(n.x,n.y,"l");
-    }
-    if(n && n.glyph == "l"){
-      pico.program.add(n.x,n.y,"u");
-    }
-    if(n && n.glyph == "u"){
-      pico.program.add(n.x,n.y,"r");
-    }
+    if(n.glyph == "r"){ pico.program.add(n.x,n.y,"d"); }
+    if(n.glyph == "d"){ pico.program.add(n.x,n.y,"l"); }
+    if(n.glyph == "l"){ pico.program.add(n.x,n.y,"u"); }
+    if(n.glyph == "u"){ pico.program.add(n.x,n.y,"r"); }
   }
 }
\ No newline at end of file