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Fish 'n' More 2
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disk430.lzh
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Pointer
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zz_pointer.c
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C/C++ Source or Header
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1991-01-11
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2KB
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88 lines
/**************************************
* ZZ_POINTER.C 08/05/90
* Written by Timm Martin
* This source code is public domain.
***************************************/
#include <exec/memory.h>
#include <exec/types.h>
#include <functions.h>
#include "zz_pointer.h"
/**********************
* POINTER IMAGE DATA
***********************/
#define POINTER_DATA 54
#define POINTER_SIZE (long)(POINTER_DATA*2)
USHORT zz_pointer_data[POINTER_DATA] =
{
0x0000, 0x0000,
0x0000, 0x0FE0,
0x0F60, 0x1090,
0x1FF0, 0x6008,
0x3FF0, 0x4008,
0x7FF8, 0x8F04,
0x7FFC, 0x8202,
0x7FFC, 0x8402,
0x3FFE, 0x4F01,
0x7FFE, 0x8001,
0x7FFE, 0x80F1,
0x3FFC, 0x4022,
0x7FFE, 0x8041,
0x7FFE, 0x80F1,
0x3FFE, 0x4001,
0x1FFC, 0x2002,
0x07F8, 0x1804,
0x00F0, 0x0708,
0x0780, 0x0870,
0x0FE0, 0x1010,
0x07C0, 0x0820,
0x0000, 0x0FE0,
0x01C0, 0x0220,
0x03E0, 0x0410,
0x00E0, 0x0310,
0x0000, 0x00E0,
0x0000, 0x0000
};
USHORT *zz_pointer = NULL; /* GLOBAL */
/********************
* ZZ POINTER CLOSE
*********************/
/*
This procedure frees the CHIP RAM memory used by the ZZ pointer.
*/
void zz_pointer_close( void )
{
if (zz_pointer)
{
FreeMem( zz_pointer, POINTER_SIZE );
zz_pointer = NULL;
}
}
/*******************
* ZZ POINTER OPEN
********************/
/*
This function attempts to copy the ZZ pointer image data into CHIP RAM. It
returns TRUE or FALSE whether memory was allocated.
*/
BOOL zz_pointer_open( void )
{
/* if could allocate CHIP RAM to hold pointer data */
if (zz_pointer = (USHORT *)AllocMem( POINTER_SIZE, MEMF_CHIP ))
CopyMemQuick( zz_pointer_data, zz_pointer, POINTER_SIZE );
return (zz_pointer != NULL );
}