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3 memory location 0490h through 0493h contain respectively obh 9bh...
Question: 3 memory location 0490h through 0493h contain respectively obh 9bh...
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![3. Memory location 0490H through 0493H contain, respectively, OBH, 9BH, A2H, and 78H. What does AX contain after each instruction? (Assume that SI-0490H BP-0002H, DS-0000H) (a) MOV AX, [SI] ; (b) MOV AX, ISI+1]; (c) MOV AX, [SI][BP] ; (d) MOV AX, 0490H; (e)MOV AX, [SI+BP+11 4. Write the instructions needed to program the 8251 for working in the foll owir mode (Assume the address of the control port is 80H) (a) Asynchronous mode, 7 data bits, odd parity, X16 clock, 2 stop bits. b) Asynchronous mode, 8 data bits, no parity, X16 clock, 1 stop bit. (e) Synchronous mode, 7 data bits per character, X64 clock](https://homework-api-assets-production.s3.ap-southeast-2.amazonaws.com/uploads/store/555375545/1602025654619f6a0a5fb13f6fddd1d21c7ca0324f.png)
