#!/usr/bin/env python

import sys

def map400(frm, off):
    row = off
    written = 0
    per_row = 0
    for addr in range(frm, frm + 0x400):
        sys.stdout.write("{0:>4d}, ".format(row))
        per_row += 1
        written += 1

        if per_row == 40:
            row += 1
            per_row = 0

        if written % 16 == 0:
            sys.stdout.write("${0:04X}\n".format(frm + written - 16))

map400(0x2000, 0)