Given a 8-bit number at memory location 2050H. Write 8085 instruction to move the value stored at the following locations: Register B Accumulator 2052H Write a single program and show register and accumulator screenshot and also attach memory view. In sim8085 software.
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Given a 8-bit number at memory location 2050H. Write 8085 instruction to move the value stored at the following locations:
- Register B
- Accumulator
- 2052H
Write a single program and show register and accumulator screenshot and also attach memory view.
In sim8085 software.
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- 1)Write a program in 8051 to copy the contents of registers R0 to R7 into internal RAM addresses 40H to 47H respectively using PUSH instructions. Assume Register Bank 0 is selected. 2 )Designa Programmable timer using 8254 and 8086 to generate a square wave of period 5 millisecond. Interface 8254 at the address 0040H for Counter 0 and write the assembly language program. The 8086 and 8254 runs at 6 megahertz and 3 megahertz respectively.4) Design and draw these memory units with their control circuits. Explain operations. a) A single EPROM 2716 is used with an 8088 microprocessor so that this microprocessor will see only X bytes of memory between the address range of DF800 –DFFFF or DD800 - DDFFF instead of 1M byte that it expects. Draw this circuit. What are X bytes? Do not use 74138 decoders. b) Design and show a 16K x 16-bit memory circuit by using 8K x 8-bit RAMS. Explain its operation. Do not use decoder 74138 chip.A) List and describe 10 features of the Atmel ATmega 2560 AVR microcontroller (use the ATmega 2560 complete reference manual for help). B) List and describe two AVR instructions. As part of your description make sure that you list the operation for each instruction that is provided in the instruction set summary.
- 4. Write a simple complete program with LOOP instruction for 8086 microprocessor, and explain the processes for each line of the program.Match each of the various types of ROM with the best description. MROM PROM EPROM EEPROM flash EEPROM A. programmed by burning fuses B. must be removed to be reprogrammed C. single bits can be erased D. the whole chip can be erased without removing it E. only econonical for large batches of chips3. Draw the block diagram of an 8255 PPI chip and describe its different programming modes. Configure 8255 as follows: port A as output, B as input, and all the bits in port C as output. Determine the content of the Control Register and program the 8255 to get data from port B and send it to both port A and port C. (Assume the standard port addresses of 8255)
- 1. Draw the figure showing the types of registers in an 8086 microprocessor. Write the register group types explaining the functions shortly for each one.8085 microprocessor went through its manipulation operation in the ALU, the results was transferred on the data bus and status of the results was stored in the flag register for indications . With your knowledge and understanding illustrate a complete bit configuration of 8085 flag register and show the functions of the represented bits in the register.QUES1.) Write instructions to perform the following operations: (8051)(i) Move the content of Accumulator to register 7(R7).(ii) Move the contents of RAM memory location 55H to Port 1(iii) Receive content from ROM Memory location 200H into Accumulator.(iv) Clear bit 7 of the Accumulator. [NOTE: ANSWER OF ALL 4 PARTS IS NEEDED.]
- Y=f(A,B,C)=(0,4,5)+don't care(2)DIsassemble the following MIPS 32-bit hexadecimal instruction written as addr:instr 60005000 : 0c0000201. Using the byte rotation scheme described for the ARM7TDMI, calculate the instruction and rotation needed to load the following constants into register r2: a) 0xC3300000 b) 0xFFFFFF44