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 | ||
db35c5f4 PB |
24 | \ ANSI arrow key sequences |
25 | \ ESC [ 0x41 is UP | |
26 | \ ESC [ 0x42 is DOWN | |
27 | \ ESC [ 0x43 is RIGHT | |
28 | \ ESC [ 0x44 is LEFT | |
29 | ||
30 | \ ANSI terminal control | |
31 | \ ESC [ 2J is clear screen | |
32 | \ ESC [ {n} D is move left | |
33 | \ ESC [ {n} C is move right | |
34 | \ ESC [ K is erase to end of line | |
35 | ||
8e9db35f PB |
36 | : ESC[ ( send ESCAPE and [ ) |
37 | ASCII_ESCAPE emit | |
38 | ascii [ emit | |
39 | ; | |
40 | ||
41 | : CLS ( -- , clear screen ) | |
42 | ESC[ ." 2J" | |
43 | ; | |
44 | ||
45 | : TIO.BACKWARDS ( n -- , move cursor backwards ) | |
46 | ESC[ | |
47 | base @ >r decimal | |
48 | 0 .r | |
49 | r> base ! | |
50 | ascii D emit | |
51 | ; | |
52 | ||
53 | : TIO.FORWARDS ( n -- , move cursor forwards ) | |
54 | ESC[ | |
55 | base @ >r decimal | |
56 | 0 .r | |
57 | r> base ! | |
58 | ascii C emit | |
59 | ; | |
60 | ||
61 | : TIO.ERASE.EOL ( -- , erase to the end of the line ) | |
62 | ESC[ | |
63 | ascii K emit | |
64 | ; | |
65 | ||
8e9db35f PB |
66 | : BELL ( -- , ring the terminal bell ) |
67 | 7 emit | |
68 | ; | |
69 | ||
70 | : BACKSPACE ( -- , backspace action ) | |
71 | 8 emit space 8 emit | |
72 | ; | |
73 | ||
74 | 0 [IF] \ for testing | |
75 | ||
76 | : SHOWKEYS ( -- , show keys pressed in hex ) | |
77 | BEGIN | |
78 | key | |
79 | dup . | |
80 | ." , $ " dup .hex cr | |
81 | ascii q = | |
82 | UNTIL | |
83 | ; | |
84 | ||
85 | : AZ ascii z 1+ ascii a DO i emit LOOP ; | |
86 | ||
87 | : TEST.BACK1 | |
88 | AZ 5 tio.backwards | |
89 | 1000 msec | |
90 | tio.erase.eol | |
91 | ; | |
92 | : TEST.BACK2 | |
93 | AZ 10 tio.backwards | |
94 | 1000 msec | |
95 | ." 12345" | |
96 | 1000 msec | |
97 | ; | |
98 | [THEN] |