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- /***************************************************************************
- *
- * NAME
- * Timer -- set up interrupt handler for frame rate
- *
- * SYNOPSIS
- * Timer();
- *
- * DESCRIPTION
- * To ensure the correct frame rate of animation playback
- * interrupts are used to synch to the vertical blanking
- * interval.
- *
- * copyright (c) 1987 Martin D. Hash
- *
- * LAST EDITED
- * Martin Hash 5 Jul 1987
- *
- * EDIT HISTORY
- * 22 Mar 1987 MH Created.
- *
- **********************************************************************/
-
- #include <exec/types.h>
- #include <exec/interrupts.h>
- #include <exec/memory.h>
- #include <exec/nodes.h>
- #include <hardware/intbits.h>
-
- /* EXTERNAL VARIABLES */
-
- extern VOID VertBServer();
-
- /* GLOBAL VARIABLES */
-
- struct Interrupt *VertBIntr;
-
- /* FUNCTION */
-
- void Timer()
- {
- if ((VertBIntr = (struct Interrupt *)AllocMem( sizeof(struct Interrupt),
- MEMF_PUBLIC )) == 0)
- exit( 100 );
-
- VertBIntr->is_Node.ln_Type = NT_INTERRUPT;
- VertBIntr->is_Node.ln_Pri = -60;
- VertBIntr->is_Node.ln_Name = "VBlank_Count";
- VertBIntr->is_Data = NULL;
- VertBIntr->is_Code = VertBServer;
-
- AddIntServer( INTB_VERTB, VertBIntr );
- }
-