package millfork.output

import scala.collection.mutable

/**
  * @author Karol Stasiak
  */
class CompiledMemory {
  val banks = mutable.Map(0 -> new MemoryBank)
}

class MemoryBank {
  def readByte(addr: Int) = output(addr) & 0xff

  def readWord(addr: Int) = readByte(addr) + (readByte(addr + 1) << 8)

  def readMedium(addr: Int) = readByte(addr) + (readByte(addr + 1) << 8) + (readByte(addr + 2) << 16)

  def readLong(addr: Int) = readByte(addr) + (readByte(addr + 1) << 8) + (readByte(addr + 2) << 16) + (readByte(addr + 3) << 24)

  def readWord(addrHi: Int, addrLo: Int) = readByte(addrLo) + (readByte(addrHi) << 8)

  val output = Array.fill[Byte](1 << 16)(0)
  val occupied = Array.fill(1 << 16)(false)
  val readable = Array.fill(1 << 16)(false)
  val writeable = Array.fill(1 << 16)(false)
  var start: Int = 0
  var end: Int = 0
}