fixed the backspacing past the start bug mostly

2019-01-09 16:16:53 +11:00 · 2019-01-09 16:16:53 +11:00 · 6b62292dd1
parent 64e4229c42
commit 6b62292dd1
1 changed files with 5 additions and 3 deletions
--- a/module/vt-task.lua
+++ b/module/vt-task.lua
@ -12,9 +12,11 @@ function vtemu(gpua,scra)
   local ty,ka,ch = coroutine.yield()
   if ty == "key_down" and kba[ka] then
    if ch == 13 then ch = 10 end
-    if ch == 8 and buf:len() > 0 then
-     write("\8 \8")
-     buf = buf:sub(1,-2)
+    if ch == 8 then
+     if buf:len() > 0 then
+      write("\8 \8")
+      buf = buf:sub(1,-2)
+     end
    elseif ch > 0 then
     write(string.char(ch))
     buf = buf .. string.char(ch)