Is
case Is:
/*05*/ { "add", 0, LONG, op2(Is, A), 0 },
/*15*/ { "adc", 0, LONG, op2(Is, A), 0 },
/*1d*/ { "sbb", 0, LONG, op2(Is, A), 0 },
/*2d*/ { "sub", 0, LONG, op2(Is, A), 0 },
/*3d*/ { "cmp", 0, LONG, op2(Is, A), 0 },
case Is:
/*05*/ { "add", 0, LONG, op2(Is, A), 0 },
/*15*/ { "adc", 0, LONG, op2(Is, A), 0 },
/*1d*/ { "sbb", 0, LONG, op2(Is, A), 0 },
/*2d*/ { "sub", 0, LONG, op2(Is, A), 0 },
/*3d*/ { "cmp", 0, LONG, op2(Is, A), 0 },