public void EA_IDY()
    {
        m6502.zp.SetL(RDOPARG());
        m6502.ea.SetL(RDMEM(m6502.zp.D));
        m6502.zp.AddL(1);
        m6502.ea.SetH(RDMEM(m6502.zp.D));
        if(m6502.ea.L + m6502.y > 0xff)
            m6502_ICount[0]--; 
        m6502.ea.SetD(m6502.ea.D + m6502.y);
        
    }