Пример #1
0
        /// <summary>
        /// Initializes a new instance of the <see cref="T:RoyNES.Console"/> class.
        /// </summary>
        public Console()
        {
            Controller = new Controller();

            CpuMemory = new CpuMemory(this);
            PpuMemory = new PpuMemory(this);

            Cpu = new Cpu(this);
            Ppu = new Ppu(this);
        }
Пример #2
0
        /// <summary>
        /// Initializes a new <see cref="T:RoyNES.Cpu"/> CPU.
        /// </summary>
        /// <param name="console">The Console that this CPU is a part of</param>
        public Cpu(Console console)
        {
            _memory = console.CpuMemory;

            _instructions = new Instruction[256] {
                //  0    1    2    3    4    5    6    7    8    9    A    B    C    D    E    F
                brk, ora, ___, ___, ___, ora, asl, ___, php, ora, asl, ___, ___, ora, asl, ___, // 0
                bpl, ora, ___, ___, ___, ora, asl, ___, clc, ora, ___, ___, ___, ora, asl, ___, // 1
                jsr, and, ___, ___, bit, and, rol, ___, plp, and, rol, ___, bit, and, rol, ___, // 2
                bmi, and, ___, ___, ___, and, rol, ___, sec, and, ___, ___, ___, and, rol, ___, // 3
                rti, eor, ___, ___, ___, eor, lsr, ___, pha, eor, lsr, ___, jmp, eor, lsr, ___, // 4
                bvc, eor, ___, ___, ___, eor, lsr, ___, cli, eor, ___, ___, ___, eor, lsr, ___, // 5
                rts, adc, ___, ___, ___, adc, ror, ___, pla, adc, ror, ___, jmp, adc, ror, ___, // 6
                bvs, adc, ___, ___, ___, adc, ror, ___, sei, adc, ___, ___, ___, adc, ror, ___, // 7
                ___, sta, ___, ___, sty, sta, stx, ___, dey, ___, txa, ___, sty, sta, stx, ___, // 8
                bcc, sta, ___, ___, sty, sta, stx, ___, tya, sta, txs, ___, ___, sta, ___, ___, // 9
                ldy, lda, ldx, ___, ldy, lda, ldx, ___, tay, lda, tax, ___, ldy, lda, ldx, ___, // A
                bcs, lda, ___, ___, ldy, lda, ldx, ___, clv, lda, tsx, ___, ldy, lda, ldx, ___, // B
                cpy, cmp, ___, ___, cpy, cmp, dec, ___, iny, cmp, dex, ___, cpy, cmp, dec, ___, // C
                bne, cmp, ___, ___, ___, cmp, dec, ___, cld, cmp, ___, ___, ___, cmp, dec, ___, // D
                cpx, sbc, ___, ___, cpx, sbc, inc, ___, inx, sbc, nop, ___, cpx, sbc, inc, ___, // E
                beq, sbc, ___, ___, ___, sbc, inc, ___, sed, sbc, ___, ___, ___, sbc, inc, ___  // F
            };
        }