79 lines
2.0 KiB
C
79 lines
2.0 KiB
C
/***********************************************************************/
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/* */
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/* Objective Caml */
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/* */
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/* Damien Doligez, projet Para, INRIA Rocquencourt */
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/* */
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/* Copyright 1996 Institut National de Recherche en Informatique et */
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/* Automatique. Distributed only by permission. */
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/* */
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/***********************************************************************/
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/* $Id$ */
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/* Cursor rotation for MPW tools (ocamlrun and ocamlyacc) */
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#include <CursorCtl.h>
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#include <stdlib.h>
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#include <Timer.h>
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#include <Types.h>
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#include "rotatecursor.h"
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typedef struct {
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TMTask t;
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int volatile *p1;
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int volatile *p2;
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} Xtmtask;
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static Xtmtask mytmtask;
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#if GENERATINGCFM
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static void mytimerproc (Xtmtask *p)
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{
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if (p->p1 != NULL && *(p->p1) == 0) *(p->p1) = 1;
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if (p->p2 != NULL && *(p->p2) == 0) *(p->p2) = 1;
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}
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#else
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extern Xtmtask *getparam() ONEWORDINLINE(0x2009); /* MOVE.L A1, D0 */
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static void mytimerproc (void)
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{
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register Xtmtask *p = getparam ();
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if (p->p1 != NULL && *(p->p1) == 0) *(p->p1) = 1;
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if (p->p2 != NULL && *(p->p2) == 0) *(p->p2) = 1;
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}
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#endif /* GENERATINGCFM */
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static void remove_task (void)
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{
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RmvTime ((QElemPtr) &mytmtask);
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}
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void rotatecursor_init (int volatile *p1, int volatile *p2)
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{
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InitCursorCtl (NULL);
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mytmtask.t.tmAddr = NewTimerProc (mytimerproc);
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mytmtask.t.tmWakeUp = 0;
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mytmtask.t.tmReserved = 0;
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mytmtask.p1 = p1;
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mytmtask.p2 = p2;
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InsTime ((QElemPtr) &mytmtask);
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PrimeTime ((QElemPtr) &mytmtask, 1);
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atexit (remove_task);
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}
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int rotatecursor_action (int direction)
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{
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PrimeTime ((QElemPtr) &mytmtask, 50); /* 20 Hz */
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RotateCursor (direction ? 32 : -32);
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return 0;
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}
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