1) Write an instruction sequence to decrement the contents of data memory locations 0x10, 0x1 1, and 0x12 by 5, 3, and 1, respectively
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1) Write an instruction sequence to decrement the contents of data memory locations 0x10, 0x1 1, and 0x12 by 5, 3, and 1, respectively
2) Write an instruction sequence to subtract the 4-byte number stored in memory locations 0x10-0x13 from the 4-byte number stored in memory locations 0x00-0x03 and store the differ[1]ence in memory locations 0x20-0x23
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- Most Intel CPUs use the __________, in which each memory address is represented by two integers.Please in assembly to 8086 processor and registers is 16 bit please write an assembly code to fill the memory with the multiple of tens as following:o The first row of memory multiple of A (10 in decimal)oand the second row multiples of 14 (20 in decimal) and so on till 46(100 in decimal)********* . (Note that the length of each row is 16 byte)After executing the code display the content of the memory using:For each question usef range to fill the buffer by your name. for me my name needs 12letter so i use the range from 400 to 40C4. Select an AND instruction that will : a) AND BX with DX and save the result in BX b) AND 0AEH with DH c) AND DI with BP and save the result in DI d) AND the data addressed by BP with CX and save the result in memory e) AND the data stored in four words before the location addressed by SI with DX and save the result in DX
- QI) If BX=1000, DS=0200, SS=0100, CS-0300 and AL=EDH, for the following instruction: MOV [BX] + 1234H, AL. Find the physical address in the memory. Q2) For the above question, if BP is used instead of BX, what is the physical address in the memory?Q1- Write a program in assembly language for the 8085 microprocessor to send 10 bytes of data located at the memory address (3000H to 3009H) using SOD at a baud rate of 1200. Information: The 8085 processor operates at a frequency of 3.072 MHz. When sending each of the required bytes, you must adhere to the following: The two high bits of the start bits must be sent, after that the data bits are sent, after that the low bit of the stop bit is sent. The following flowchart will help you, but you should notice that this flowchart deals with one byte, and you are required to deal with 10 bytes. The solution must be integrated and include the calculation of the baudrate delay time Transmit No Set up Character Bit Counter Send Start Bit Wait Bit Time Get Character in Accumulator Output Bit Using Do Wait Bit Time Rotate Next Bit in Do Decrement Bit Counter Is It Last Bit? Yes Add Parity if Necessary • Send Two Stop Bits Return (a)Assume a CPU with a fixed 32-bit instruction length has the following instruction format:opcode mode [operand1] [operand2] [operand3]The mode encodes the number of operands and each operand’s mode. For instance, one mode indicates three registers, another indicates two registers and an immediate datum, another indicates a main memory reference, etc. Assume there are 94 instructions and 22 modes. Answer the following.a. One mode indicates three registers. How many registers can be referenced in this mode?b. One mode indicates two registers and an immediate datum in two’s complement. Assuming there are 32 registers, what is the largest immediate datum that can be referenced?c. One mode has a destination register and a source memory address (an unsignednumber). Assuming 16 registers, what is the largest memory reference available?d. One mode has two memory addresses, both using base displacement. In both, the basesare stored in index registers and the displacements are specified in the…
- 5. Select an OR instruction that will : a) OR BL with AH and save the result in AH b) OR 88H with CX c) OR DX with SI and save the result in SI d) OR 1122H with BP e) OR the data addressed by BX with CX and save the result in memory f) OR the data stored 40 bytes after the location addressed by BP with AL and save the result in ALSelect an OR instruction that will:a) OR BL with AH and save the result in AH.b) OR 88H with CX.c) OR DX with SI and save the result in SI.d) OR 1122H with BP.e) OR the data addressed by BX with CX and save the result in memory.f) OR the data stored 40 bytes after the location addressed by BP with AL and save the result in AL.Memory 12200 12201 12202 12203 12204 Content %D AA EE FF 22 What result is produced in the destination operand by execution the following instruction? a- LEA SI[DI+Bx+5] b- LDS SI.[200]
- 4. By assuming that 35 is a two digit number, consider memory storage of a 64- bit word stored at memory word 35 in a byte-addressable memory (a) What is the byte address of memory word 35? (b) What are the byte addresses that memory word 35 spans? (c) Draw the number 0XF1234567890ABCDE stored at word 35 in both big-endian and little-endian machines. Clearly label the byte address corresponding to each data byte value.By assuming that X is the last digit of your student number and 3X is a two digit number, consider memory storage of a 64-bit word stored at memory word 3X in a byte-addressable memory (a) What is the byte address of memory word 3X? (b) What are the byte addresses that memory word 3X spans? (c) Draw the number 0XF1234567890ABCDE stored at word 3X in both big-endian and little-endian machines. Clearly label the byte address corresponding to each data byte value.branch instructions -> machine language translationThe following programme gives an example of how to calculate the branch offsets in a programme once the process for computing the branch offsets for the branch instructions has been described. Because the final two bits of the address will be dropped in this case, the branch offsets may be calculated by simply adding or subtracting line numbers. In contrast to "the $pc contains the address of line," which would be erroneous, the text will thus read "the $pc points to line," which is accurate.
