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@@ -1,260 +0,0 @@
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-/* Copyright (c) 1992, 1995 John E. Davis
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- * All rights reserved.
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- *
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- * You may distribute under the terms of either the GNU General Public
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- * License or the Perl Artistic License.
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- */
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-
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-#include "config.h"
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-
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-#include <stdio.h>
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-
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-#include "_slang.h"
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-
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-#define INCL_BASE
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-#define INCL_NOPM
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-#define INCL_VIO
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-#define INCL_KBD
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-#define INCL_DOS
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-#if 0
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-# define INCL_DOSSEMAPHORES
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-#endif
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-#ifdef LONG
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-#undef LONG
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-#endif
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-#ifdef VOID
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-#undef VOID
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-#endif
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-#include <os2.h>
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-
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-#include <signal.h>
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-#include <process.h>
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-
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-KBDINFO initialKbdInfo; /* keyboard info */
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-
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-/* Code to read keystrokes in a separate thread */
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-
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-typedef struct kbdcodes {
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- UCHAR ascii;
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- UCHAR scan;
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-/* USHORT shift; */
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-} KBDCODES;
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-
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-#define BUFFER_LEN 4096
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-static KBDCODES threadKeys[BUFFER_LEN];
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-static int atEnd = 0;
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-static int startBuf;
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-static int endBuf;
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-
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-/* Original code used semaphores to control access to threadKeys.
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- * It is expected that the semaphore code will be deleted after 0.97.
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-*/
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-#if 0
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-
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-#ifdef __os2_16__
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-
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-typedef USHORT APIRET;
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-static HSEM Hmtx;
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-
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-#define DosRequestMutexSem(hmtx,timeout) DosSemRequest(hmtx,timeout)
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-#define DosReleaseMutexSem(hmtx) DosSemClear(hmtx)
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-#define DosCloseMutexSem(hmtx) DosCloseSem(hmtx)
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-
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-#else /* !defined(__os2_16__) */
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-
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-static HMTX Hmtx; /* Mutex Semaphore */
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-
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-#endif
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-
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-
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-static APIRET CreateSem(void)
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-{
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-#ifdef __os2_16__
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- char SemName[32];
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- sprintf(SemName, "\\SEM\\jed\\%u", getpid());
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- return ( DosCreateSem (0, &Hmtx, SemName) );
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-#else
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- return ( DosCreateMutexSem (NULL, &Hmtx, 0, 0) );
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-#endif
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-}
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-
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-static APIRET RequestSem(void)
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-{
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- return ( DosRequestMutexSem (Hmtx, -1) );
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-}
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-
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-static APIRET ReleaseSem(void)
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-{
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- return ( DosReleaseMutexSem (Hmtx) );
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-}
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-
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-static APIRET CloseSem(void)
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-{
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- return( DosCloseMutexSem (Hmtx) );
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-}
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-
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-#else
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-
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-#define CreateSem()
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-#define RequestSem()
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-#define ReleaseSem()
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-#define CloseSem()
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-
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-#endif
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-
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-
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-static void set_kbd(void)
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-{
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- KBDINFO kbdInfo;
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-
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- kbdInfo = initialKbdInfo;
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- kbdInfo.fsMask &= ~0x0001; /* not echo on */
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- kbdInfo.fsMask |= 0x0002; /* echo off */
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- kbdInfo.fsMask &= ~0x0008; /* cooked mode off */
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- kbdInfo.fsMask |= 0x0004; /* raw mode */
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- kbdInfo.fsMask &= ~0x0100; /* shift report off */
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- KbdSetStatus(&kbdInfo, 0);
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-}
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-
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-static void thread_getkey ()
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-{
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- KBDKEYINFO keyInfo;
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- int n;
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-
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- while (!atEnd) { /* at end is a flag */
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- set_kbd();
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- KbdCharIn(&keyInfo, IO_NOWAIT, 0); /* get a character */
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- if (keyInfo.fbStatus & 0x040) { /* found a char process it */
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- if (keyInfo.chChar == SLang_Abort_Char) {
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- if (SLang_Ignore_User_Abort == 0) SLang_Error = USER_BREAK;
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- SLKeyBoard_Quit = 1;
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- }
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- n = (endBuf + 1) % BUFFER_LEN;
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- if (n == startBuf) {
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- DosBeep (500, 20);
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- KbdFlushBuffer(0);
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- continue;
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- }
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- RequestSem();
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- threadKeys [n].ascii = keyInfo.chChar;
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- threadKeys [n].scan = keyInfo.chScan;
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-/* threadKeys [n].shift = keyInfo.fsState; */
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- endBuf = n;
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- ReleaseSem();
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- } else /* no char available*/
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- DosSleep (20);
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- }
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-}
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-
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-static void thread_code (void *Args)
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-{
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- (void) Args;
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- startBuf = -1; /* initialize the buffer pointers */
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- endBuf = -1;
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- thread_getkey ();
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- atEnd = 0; /* reset the flag */
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- _endthread();
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-}
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-
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-
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-/* The code below is in the main thread */
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-
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-int SLang_init_tty(int abort_char, int dum2, int dum3)
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-{
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- VIOCURSORINFO cursorInfo, OldcursorInfo;
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-
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- (void) dum2; (void) dum3;
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- if (abort_char == -1) abort_char = 3; /* ^C */
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- SLang_Abort_Char = abort_char;
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-
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- /* set ^C off */
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- signal (SIGINT, SIG_IGN);
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- signal (SIGBREAK, SIG_IGN);
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-
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- /* set up the keyboard */
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-
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- initialKbdInfo.cb = sizeof(initialKbdInfo);
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- KbdGetStatus(&initialKbdInfo, 0);
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- set_kbd();
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-
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- /* open a semaphore */
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- CreateSem();
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-
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- /* start a separate thread to read the keyboard */
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-#if defined(__BORLANDC__)
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- _beginthread (thread_code, 8096, NULL);
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-#else
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- _beginthread (thread_code, NULL, 8096, NULL);
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-#endif
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-
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- VioGetCurType (&OldcursorInfo, 0);
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- cursorInfo.yStart = 1;
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- cursorInfo.cEnd = 15;
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- cursorInfo.cx = 1;
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- cursorInfo.attr = 1;
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- if (VioSetCurType (&cursorInfo, 0))
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- VioSetCurType (&OldcursorInfo, 0); /* reset to previous value */
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-
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- return 0;
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-}
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-
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-void SLang_reset_tty (void)
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-{
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- atEnd = 1; /* set flag and wait until thread ends */
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- while (atEnd) {DosSleep (0);}
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-
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- CloseSem();
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-
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- /* close the keyboard */
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- KbdSetStatus(&initialKbdInfo, 0); /* restore original state */
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-}
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-
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-#define keyWaiting() (endBuf != startBuf)
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-
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-/* sleep for *tsecs tenths of a sec waiting for input */
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-
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-int SLsys_input_pending(int tsecs)
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-{
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- int count = tsecs * 5;
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-
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- if (count)
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- {
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- while(count > 0)
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- {
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- DosSleep(20); /* 20 ms or 1/50 sec */
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- if (keyWaiting ()) break;
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- count--;
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- }
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- return(count);
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- }
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- else return(keyWaiting ());
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-}
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-
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-unsigned int SLsys_getkey ()
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-{
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- unsigned int c;
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- unsigned char scan;
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-
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- int tsecs = 300;
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-
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- if (!keyWaiting())
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- while (!SLsys_input_pending(tsecs));
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-
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- /* read codes from buffer */
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- RequestSem();
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- startBuf = (startBuf + 1) % BUFFER_LEN;
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- c = threadKeys [startBuf].ascii;
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- scan = threadKeys [startBuf].scan;
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- ReleaseSem();
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-
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- if ((c == 8) && (scan == 0x0e)) c = 127;
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- if (c == 0xE0) c = 0;
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- if (c == 0) SLang_ungetkey (scan);
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- return (c);
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-}
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-
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-
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-void SLang_set_abort_signal (void (*dum)(int))
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-{
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- (void) dum;
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-}
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