ndsdump.cpp

来自「一个任天堂掌上游戏机NDS的源代码」· C++ 代码 · 共 43 行

#include <fstream>
#include "ndshead.h"

inline unsigned int
nlpo2(unsigned int x)
{
	if(x&(x-1)) {            // If we're not already a power of 2
	        x |= (x >> 1);
        	x |= (x >> 2);
	        x |= (x >> 4);
        	x |= (x >> 8);
	        x |= (x >> 16);
        	return(x+1);     // Return next power up
	}
	return x;                // Otherwise, stick with what we have
}

int main(int argc, char **argv)
{
    if(argc < 2)
    {
	printf("Usage: ndsdump <file to dump>\n");
	return 1;
    }

    std::ifstream input(argv[1], std::ios::binary);

    input.seekg(0, std::ios::end);
    u32 ROMsize = input.tellg();
    input.seekg(0, std::ios::beg);
    
    u8 *ROM = new u8[nlpo2(ROMsize)];
    
    input.read((char*)ROM, ROMsize);
    input.close();
    
    NDShead header(ROM);
    header.print();
    
    return 0;
}