| bb6b2dcd |
1 | \ Terminal I/O\r |
| 2 | \\r |
| 3 | \ Requires an ANSI compatible terminal.\r |
| 4 | \\r |
| 5 | \ To get Windows computers to use ANSI mode in their DOS windows,\r |
| 6 | \ Add this line to "C:\CONFIG.SYS" then reboot.\r |
| 7 | \ \r |
| 8 | \ device=c:\windows\command\ansi.sys\r |
| 9 | \\r |
| 10 | \ Author: Phil Burk\r |
| 11 | \ Copyright 1988 Phil Burk\r |
| 12 | \ Revised 2001 for pForth\r |
| 13 | \r |
| 14 | ANEW TASK-TERMIO.FTH\r |
| 15 | decimal\r |
| 16 | \r |
| 17 | $ 08 constant ASCII_BACKSPACE\r |
| 18 | $ 7F constant ASCII_DELETE\r |
| 19 | $ 1B constant ASCII_ESCAPE\r |
| 20 | $ 01 constant ASCII_CTRL_A\r |
| 21 | $ 05 constant ASCII_CTRL_E\r |
| 22 | $ 18 constant ASCII_CTRL_X\r |
| 23 | \r |
| 24 | \ ANSI Terminal Control\r |
| 25 | : ESC[ ( send ESCAPE and [ )\r |
| 26 | ASCII_ESCAPE emit\r |
| 27 | ascii [ emit\r |
| 28 | ;\r |
| 29 | \r |
| 30 | : CLS ( -- , clear screen )\r |
| 31 | ESC[ ." 2J"\r |
| 32 | ;\r |
| 33 | \r |
| 34 | : TIO.BACKWARDS ( n -- , move cursor backwards )\r |
| 35 | ESC[\r |
| 36 | base @ >r decimal\r |
| 37 | 0 .r\r |
| 38 | r> base !\r |
| 39 | ascii D emit\r |
| 40 | ;\r |
| 41 | \r |
| 42 | : TIO.FORWARDS ( n -- , move cursor forwards )\r |
| 43 | ESC[\r |
| 44 | base @ >r decimal\r |
| 45 | 0 .r\r |
| 46 | r> base !\r |
| 47 | ascii C emit\r |
| 48 | ;\r |
| 49 | \r |
| 50 | : TIO.ERASE.EOL ( -- , erase to the end of the line )\r |
| 51 | ESC[\r |
| 52 | ascii K emit\r |
| 53 | ;\r |
| 54 | \r |
| 55 | \r |
| 56 | : BELL ( -- , ring the terminal bell )\r |
| 57 | 7 emit\r |
| 58 | ;\r |
| 59 | \r |
| 60 | : BACKSPACE ( -- , backspace action )\r |
| 61 | 8 emit space 8 emit\r |
| 62 | ;\r |
| 63 | \r |
| 64 | 0 [IF] \ for testing\r |
| 65 | \r |
| 66 | : SHOWKEYS ( -- , show keys pressed in hex )\r |
| 67 | BEGIN\r |
| 68 | key\r |
| 69 | dup .\r |
| 70 | ." , $ " dup .hex cr\r |
| 71 | ascii q =\r |
| 72 | UNTIL\r |
| 73 | ;\r |
| 74 | \r |
| 75 | : AZ ascii z 1+ ascii a DO i emit LOOP ;\r |
| 76 | \r |
| 77 | : TEST.BACK1\r |
| 78 | AZ 5 tio.backwards\r |
| 79 | 1000 msec\r |
| 80 | tio.erase.eol\r |
| 81 | ;\r |
| 82 | : TEST.BACK2\r |
| 83 | AZ 10 tio.backwards\r |
| 84 | 1000 msec\r |
| 85 | ." 12345"\r |
| 86 | 1000 msec\r |
| 87 | ;\r |
| 88 | [THEN]\r |
projects / pforth / blame