un-disas.c

// Copyright 2008,2009  Segher Boessenkool  <segher@kernel.crashing.org>
// Licensed under the terms of the GNU GPL, version 2
// http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt

#include <stdio.h>
#include <stdlib.h>

#include "types.h"
#include "disas.h"

#define N_MEM 0x400000

static u16 mem[N_MEM];

int main(int argc, char *argv[])
{
	FILE *in;
	u32 i, n;

	if (argc != 2) {
		fprintf(stderr, "usage: %s <rom-file>\n", argv[0]);
		exit(1);
	}

	in = fopen(argv[1], "rb");
	if (!in) {
		perror("Cannot read ROM file");
		exit(1);
	}

	n = fread(mem, 2, N_MEM, in);

	fclose(in);

// gross, but whatever.  one day i'll fix this, but not today
#ifdef _BIG_ENDIAN
	for (i = 0; i < n; i++)
		mem[i] = (mem[i] << 8) | (mem[i] >> 8);
#endif

	for (i = 0; i < n; )
		i += disas(mem, i);

	return 0;
}