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//============================================================================
//
// SSSS tt lll lll
// SS SS tt ll ll
// SS tttttt eeee ll ll aaaa "An Atari 2600 VCS Emulator"
// SSSS tt ee ee ll ll aa
// SS tt eeeeee ll ll aaaaa Copyright (c) 1995,1996,1997
// SS SS tt ee ll ll aa aa Bradford W. Mott
// SSSS ttt eeeee llll llll aaaaa
//
//============================================================================
/**
Program to compute the Cartridge ID for a ROM image.
@author Bradford W. Mott
@version $Id: id.cxx,v 1.1 1997/05/17 19:08:10 bwmott Exp $
*/
#include <stdio.h>
#include <fstream.h>
main(int argc, char* argv[])
{
ifstream in;
in.open(argv[1], ios::in | ios::nocreate);
if(in.fail())
{
cerr << "Couldn't open " << argv[1] << endl;
exit(1);
}
// Read ROM from the input stream and see how big it is
unsigned char rom[32768];
in.read(rom, 32768);
// Calculate Cartridge ID
unsigned long cartId = 0;
for(int i = 1024; i < 2048; i++)
{
cartId += (((unsigned long)rom[i]) << ((i & 0x0003) * 8));
}
printf("%08x\n", cartId);
}
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