/*
 * quick-and-dirty throwaway program to add base address
 * in hexadecimal to offsets
 *
 * base address is command-line argument
 * offsets read from stdin
 */
if (args.length < 1) {
  System.err.println("need base address as argument, e.g., 00400024")
  System.exit(1)
}
val base = 
  try {
    Integer.parseInt(args(0), 16)
  }
  catch {
    case _:NumberFormatException => {
      System.err.println("need base address as argument, e.g., 00400024")
      System.exit(1)
      0
    }
  }

println("enter offsets, one per line, e.g., 002c, or EOF to end")
var in = ""
do {
  in = scala.io.StdIn.readLine()
  if (in != null) {
    try {
      val offset = Integer.parseInt(in, 16)
      println("base plus %04x is %08x".format(
        offset, base+offset))
    }
    catch {
      case _:NumberFormatException => {
        System.err.println("invalid offset")
      }
    }
  }
} while (in != null)