C64Lib.Core.MOS6569.read_byte C# (CSharp) Method

        byte read_byte(UInt16 adr)
        {
            UInt16 va = (UInt16)(adr | cia_vabase);
            if ((va & 0x7000) == 0x1000)
                return LastVICByte = _characterRom[va & 0x0fff];
            else
                return LastVICByte = _ram[va];
        }