CHA – Cursor Horizontal Absolute

app/assets/javascripts/ansi-interpreter.js.coffee

@@ -110,6 +110,8 @@ class AsciiIo.AnsiInterpreter
         @terminal.cursorForward @n or 1
       when "D"
         @terminal.cursorBack @n or 1
+      when "G"
+        @terminal.setCursorColumn @n
       when "H"
         @terminal.setCursorPos @n or 1, @m or 1
       when "J"

app/assets/javascripts/terminal.js.coffee

@@ -116,15 +116,20 @@ class AsciiIo.Terminal
         @bg = undefined
       i++
 
-  setCursorPos: (line, col) ->
-    line -= 1
-    col -= 1
+  setCursorLine: (line) ->
     oldLine = @cursorY
-    @cursorY = line
-    @cursorX = col
+    @cursorY = line - 1
     @updateLine oldLine
     @updateLine()
 
+  setCursorColumn: (col) ->
+    @cursorX = col - 1
+    @updateLine()
+
+  setCursorPos: (line, col) ->
+    @setCursorLine(line)
+    @setCursorColumn(col)
+
   saveCursor: ->
     @savedCol = @cursorX
     @savedLine = @cursorY