/// <summary>
/// Spins through the <see cref="InstructionCollection"/> and creates an array of bytes
/// that is then copied into Memory by <see cref="OS.createProcess"/>
/// </summary>
/// <returns>Array of bytes representing the <see cref="Program"/> in memory</returns>
unsafe public byte[] GetMemoryImage()
{
ArrayList arrayListInstr = new ArrayList();
foreach (Instruction instr in instructions)
{
// Instructions are one byte
arrayListInstr.Add((byte)instr.OpCode);
// Params are Four Bytes
if (instr.Param1 != uint.MaxValue)
{
byte[] paramBytes = CPU.UIntToBytes(instr.Param1);
for (int i = 0; i < paramBytes.Length; i++)
{
arrayListInstr.Add(paramBytes[i]);
}
}
if (instr.Param2 != uint.MaxValue)
{
byte[] paramBytes = CPU.UIntToBytes(instr.Param2);
for (int i = 0; i < paramBytes.Length; i++)
{
arrayListInstr.Add(paramBytes[i]);
}
}
}
// Create and array of bytes and return the instructions in it
arrayListInstr.TrimToSize();
byte[] arrayInstr = new byte[arrayListInstr.Count];
arrayListInstr.CopyTo(arrayInstr);
return(arrayInstr);
}
/// <summary>
/// Sets a 4 byte unsigned integer (typically an opCode param) to memory
/// </summary>
/// <param name="processid">The calling processid</param>
/// <param name="processIndex">The address in memory from the Process's point of view</param>
/// <param name="avalue">The new value</param>
public void setUIntAt(uint processid, uint processIndex, uint avalue)
{
setBytesAt(processid, processIndex, CPU.UIntToBytes(avalue));
}