Discuss in detail about RAM allocation in 8051 and Analyse, and explain the objective of the following 8051 assembly languageprogram. Specify the content of the Program Status Word (PSW) register after the execution of each instruction.ORG 00HMOV A#00HMOV R5,AMOV R0,#0FBHADD A#0FEHJNC NIINC R5N1: ADD A, #0F5HJNC N2INC R5N2: ADD A#0F2HINC OVERINC R5OVER: MOV @R0, AENDComment every line of the program and specify the register contents on single-step execution.

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Answered: Discuss in detail about RAM allocation…

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter22: Sequence Control

Section: Chapter Questions

Problem 6SQ: Draw a symbol for a solid-state logic element AND.

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P. 2. Consider a proposed new instruction named rpt. This instruction combines a loop's condition check and counter decrement into a single instruction. For example rpt x29, loop would do the following: if (x29 >0) { x29 = x29 -1: goto loop a) If this instruction were to be added to the RISC-V instruction set. what is the most appropriate instruction format? b) What is the shortest sequence of RISC-V instructions that performs the same operation?
1. Write the contents of all registers and the conditions codes registers after each execution instructions in Table Q1(a). Instructions SUBS r0, rl, 12 MOV 12,13, ASR #3 ro 11223344 Table Q1 (a) rl F7770025 12 r3 CF119856 CF119856 NZ V C 010 1
Explain the SUB instruction of 8086. Compare it with SBB instruction. Write a Assembly language program for 8086 to find the square root of a number using SUB instruction. (Note : Solve the question in paper, scan and upload along with the other Part B and C answers) A BIE
3. Suppose r0=0x20000000 and r1=0x12345678. All bytes in memory are initialized to 0x00. Suppose the following assembly program has run successfully (the three instructions will be executed in the given order). Draw a table to show the memory value if the processor uses little endian. STR r1, [r0], #4 STR r1, [r0,#4]! STR r1, [r0, # 4] Address 0x20000010 0x2000000f 0x2000000e 0x2000000d 0x2000000c 0x2000000b 0x2000000a 0x20000009 0x20000008 0x20000007 0x20000006 0x20000005 0x20000004 0x20000003 0x20000002 0x20000001 0x20000000 Data
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If R0 = 0x20008000, after run STMDB r0!, {r3, r9, r7, r1, r2} command what is the r7 register memory start address?A. R0= 0x20007ff4B. R0 = 0x20007ffefC. R0 = 0x20007fffD. R0=0x20007fecE. R0 = 0x20007ff0
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Consider the following assembly program MOV CX, 1100H DLY: SUBS CX, CX, #1 NOP BNE DLY NXT: --- (a) How many times does the BNE DLY instruction get executed? (b) Change the first line of the program so that BNE DLY is executed 34 times (c) Change the second line of the program so that BNE DLY is executed 34 times, while the fist line stays unchanged (MOV CX, 1100H)
1- Explain the meaning and operation of CMC instruction ? 2. The Instruction Pointer is bits in length. a) 8 bits b) 4 bits c) 16 bits d) 32 bits

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