Commit | Line | Data |
---|---|---|
8e9db35f PB |
1 | \ Terminal I/O |
2 | \ | |
3 | \ Requires an ANSI compatible terminal. | |
4 | \ | |
5 | \ To get Windows computers to use ANSI mode in their DOS windows, | |
6 | \ Add this line to "C:\CONFIG.SYS" then reboot. | |
7 | \ | |
8 | \ device=c:\windows\command\ansi.sys | |
9 | \ | |
10 | \ Author: Phil Burk | |
11 | \ Copyright 1988 Phil Burk | |
12 | \ Revised 2001 for pForth | |
13 | ||
14 | ANEW TASK-TERMIO.FTH | |
15 | decimal | |
16 | ||
17 | $ 08 constant ASCII_BACKSPACE | |
18 | $ 7F constant ASCII_DELETE | |
19 | $ 1B constant ASCII_ESCAPE | |
20 | $ 01 constant ASCII_CTRL_A | |
21 | $ 05 constant ASCII_CTRL_E | |
22 | $ 18 constant ASCII_CTRL_X | |
23 | ||
24 | \ ANSI Terminal Control | |
25 | : ESC[ ( send ESCAPE and [ ) | |
26 | ASCII_ESCAPE emit | |
27 | ascii [ emit | |
28 | ; | |
29 | ||
30 | : CLS ( -- , clear screen ) | |
31 | ESC[ ." 2J" | |
32 | ; | |
33 | ||
34 | : TIO.BACKWARDS ( n -- , move cursor backwards ) | |
35 | ESC[ | |
36 | base @ >r decimal | |
37 | 0 .r | |
38 | r> base ! | |
39 | ascii D emit | |
40 | ; | |
41 | ||
42 | : TIO.FORWARDS ( n -- , move cursor forwards ) | |
43 | ESC[ | |
44 | base @ >r decimal | |
45 | 0 .r | |
46 | r> base ! | |
47 | ascii C emit | |
48 | ; | |
49 | ||
50 | : TIO.ERASE.EOL ( -- , erase to the end of the line ) | |
51 | ESC[ | |
52 | ascii K emit | |
53 | ; | |
54 | ||
55 | ||
56 | : BELL ( -- , ring the terminal bell ) | |
57 | 7 emit | |
58 | ; | |
59 | ||
60 | : BACKSPACE ( -- , backspace action ) | |
61 | 8 emit space 8 emit | |
62 | ; | |
63 | ||
64 | 0 [IF] \ for testing | |
65 | ||
66 | : SHOWKEYS ( -- , show keys pressed in hex ) | |
67 | BEGIN | |
68 | key | |
69 | dup . | |
70 | ." , $ " dup .hex cr | |
71 | ascii q = | |
72 | UNTIL | |
73 | ; | |
74 | ||
75 | : AZ ascii z 1+ ascii a DO i emit LOOP ; | |
76 | ||
77 | : TEST.BACK1 | |
78 | AZ 5 tio.backwards | |
79 | 1000 msec | |
80 | tio.erase.eol | |
81 | ; | |
82 | : TEST.BACK2 | |
83 | AZ 10 tio.backwards | |
84 | 1000 msec | |
85 | ." 12345" | |
86 | 1000 msec | |
87 | ; | |
88 | [THEN] |