added tab support to the terminal emulator

2020-03-25 07:08:17 +11:00 · 2020-03-25 07:08:17 +11:00 · eccc80ad16
commit eccc80ad16
parent fab605ff21
1 changed files with 2 additions and 0 deletions
--- a/module/vt100.lua
+++ b/module/vt100.lua
@ -31,6 +31,8 @@ function vt100emu(gpu) -- takes GPU component proxy *gpu* and returns a function
     cx = 1
    elseif cc == "\27" then -- escape
     mode = "e"
+    elseif cc == "\t" then
+     cx = 8*((cx+9)//8)
    elseif string.byte(cc) > 31 and string.byte(cc) < 127 then -- printable, I guess
     gpu.set(cx, cy, cc)
     cx = cx + 1