made nvt handle the cursor going off the edge of the screen

module/nvt100.lua

@@ -45,9 +45,7 @@ function vt100emu(gpu) -- takes GPU component proxy *gpu* and returns a function
   gpu.set(cx,cy,pc)
   for cc in s:gmatch(".") do
    if mode == 0 then
-    if string.byte(cc) > 31 and string.byte(cc) < 128 then -- probably printable
-     wb = wb .. cc
-    elseif cc == "\n" then
+    if cc == "\n" then
      flushwb()
      cx,cy = 1, cy+1
     elseif cc == "\t" then
@@ -55,6 +53,8 @@ function vt100emu(gpu) -- takes GPU component proxy *gpu* and returns a function
     elseif cc == "\27" then
      flushwb()
      mode = 1
+    else
+     wb = wb .. cc
     end
    elseif mode == 1 then
     if cc == "[" then
@@ -122,6 +122,7 @@ function vt100emu(gpu) -- takes GPU component proxy *gpu* and returns a function
    end
   end
   flushwb()
+  checkCursor()
   pc = gpu.get(cx,cy)
   gpu.setForeground(bg)
   gpu.setBackground(fg)