public void Push(ushort value)
{
var spAddress = GetRegister(Registers.SP);
MemoryMapper.SetUInt16(spAddress, value);
SetRegister(Registers.SP, (ushort)(spAddress - 2));
StackFrameSize += 2;
}
public ushort Pop()
{
var nextSpAddress = GetRegister(Registers.SP) + 2;
SetRegister(Registers.SP, (ushort)nextSpAddress);
StackFrameSize -= 2;
return(MemoryMapper.GetUInt16((ushort)nextSpAddress));
}
public void SetRegister(Registers reg, ushort value)
{
MemoryMapper.SetUInt16((ushort)RegisterMap[reg], value);
}
public ushort GetRegister(Registers reg)
{
return(MemoryMapper.GetUInt16((ushort)RegisterMap[reg]));
}