/*
 * Assembler for the R31JP board (8051 CPU).
 */

#include <string.h>
#include <stdio.h>
#include <fcntl.h>
#include <stdlib.h>
#include <unistd.h>

#include "rasm.h"
#include "symtab.h"
#include "util.h"
#include "output.h"
#include "compile.h"

unsigned char data[MEMSIZE];
int data_size;

int main(int argc, char *argv[]) {
    char infile[BUFSIZE];
    char outfile[BUFSIZE];

    if (argc < 2) {
	fprintf(stderr, "Usage: %s filename\n", argv[0]);
	fprintf(stderr, "This will compile filename.asm into filename.obj\n");
	exit(2);
    }

    snprintf(infile, sizeof(infile), "%s.asm", argv[1]);
    snprintf(outfile, sizeof(outfile), "%s.obj", argv[1]);

    /* Preload the tables with useful stuff */
    symtab_preload();
    alias_preload();

    /* Pass 1 -- create a symbol table */
    data_size = compile_to_memory(infile, data, 1);

    /* Pass 2 -- fill in address references from symtab */
    data_size = compile_to_memory(infile, data, 2);

    /* Dump memory into ascii-hex file */
    write_memory_to_obj(outfile, data, data_size);

    return 0;
}