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- /************************************************************************
- ********** **********
- ********** S I M P L E R I N T E R R U P T **********
- ********** --------------------------------- **********
- ********** **********
- ********** Copyright (C) 1988 Sassenrath Research **********
- ********** All Rights Reserved. **********
- ********** **********
- ********** Example from the "Guru's Guide, Meditation #1" **********
- ********** **********
- *************************************************************************
- ** **
- ** - NOTICE - **
- ** **
- ** The "Guru's Guide, Meditation #1" contains detailed information **
- ** about Amiga interrupts as well as a complete discussion of this **
- ** and other examples. Meditation #1 and all of its examples were **
- ** written by Carl Sassenrath, the architect of Amiga's multitasking **
- ** operating system. Copies of the "Guru's Guide" may be obtained **
- ** from: **
- ** GURU'S GUIDE, P.O. BOX 1510, UKIAH, CA 95482 **
- ** **
- ** Please include a check for $14.95, plus $1.50 shipping ($4.00 if **
- ** outside North America). CA residents add 6% sales tax. **
- ** **
- ** This example may be used for any purposes, commercial, personal, **
- ** public, and private, so long as ALL of the above text, copyright, **
- ** mailing address, and this notice are retained in their entirety. **
- ** **
- ** THIS EXAMPLE IS PROVIDED WITHOUT WARRANTY OF ANY KIND. **
- ** **
- ************************************************************************/
-
- /*
- ** COMPILATION NOTE:
- **
- ** Compiled under MANX AZTEC C 3.6A. Use the +L compiler option
- ** and the "c32" library. Link with intrsup.o
- */
-
-
- #include <exec/interrupts.h>
- #include <hardware/intbits.h>
-
- VOID IntrProc(); /* forward to interrupt code */
- long IntrCount; /* vertical blank counter */
-
-
- #asm /* Interrupt Server Code */
- _IntrProc:
- add.l #1,(a1) ; increment IntrCount
- moveq #0,d0 ; Z-flag - do next server
- rts
- #endasm
-
-
- main() /* Initialization, Main, and Clean-up */
- {
- extern int Enable_Abort;
- extern struct Interrupt *MakeIntr();
- struct Interrupt *intr;
-
- Enable_Abort = 0; /* prevent a CTRL-C */
-
- IntrCount = 0;
-
- intr = MakeIntr("simple.example", -60,&IntrProc,&IntrCount);
- if (intr == NULL) exit(100);
-
- AddIntServer(INTB_VERTB, intr);
-
- while (IntrCount < 200) printf("%d\n", IntrCount);
-
- RemIntServer(INTB_VERTB, intr);
-
- FreeIntr(intr);
- }
-