https://github.com/akkartik/mu/blob/master/apps/tui.mu
 1 # test some primitives for text-mode 
 2 
 3 fn main -> exit-status/ebx: int {
 4   var nrows/eax: int <- copy 0
 5   var ncols/ecx: int <- copy 0
 6   nrows, ncols <- screen-size
 7   enable-screen-grid-mode
 8   move-cursor 5, 35
 9   start-color 1, 0x7a
10   start-blinking
11   print-string "Hello world!"
12   reset-formatting
13   move-cursor 6, 35
14   print-string "tty dimensions: "
15   print-int32-to-screen nrows
16   print-string " rows, "
17   print-int32-to-screen ncols
18   print-string " rows\n"
19 
20   print-string "press a key to see its code: "
21   enable-keyboard-immediate-mode
22   var x/eax: byte <- read-key
23   enable-keyboard-type-mode
24   enable-screen-type-mode
25   print-string "You pressed "
26   print-int32-to-screen x
27   print-string "\n"
28   exit-status <- copy 0
29 }