Web并行接口8255a 的端口地址为30h~36h,若要将c口的pc4置位,应该使用的指令组是a.mov al, 08h out 34h, alb.mov al, 09h out 34h, alc.mov al, 08h out 36h, ald.mov al, 09h out 36h, al WebJul 11, 2024 · In this article, we are going to solve some problems on calculating the physical address (also known as effective address) of 20 bits using the different segment registers and their respective offsets. Submitted by Monika Sharma, on July 11, 2024 . Q1) The value of Code Segment (CS) Register is 4042H and the value of different offsets is as follows:
Registers in 8086 Microprocessor - General Purpose, Segment
WebApr 11, 2024 · ANI 0F: perform AND operation of A with 0F and store the result back to A. RLC: rotate content of A left by 1 bit without carry. Use this instruction 4 times to reverse the content of A. STA 3051: store the content of A in memory location 3051. HLT: stops executing the program and halts any further execution. WebMar 23, 2024 · Download Solution PDF. Two machine codes 3EH and 32H are stored in memory locations 2000H and 2001H respectively. The first machine code (3EH) represents the opcode to load a data byte in the accumulator, and the second code (32H) represents the data byte to be loaded in the accumulator. The time required to execute the Opcode … rdn family auction york pa
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WebDec 27, 2024 · The 8086 microprocessor has 8 registers each of 8 bits, AH, AL, BH, BL, CH, CL, DH, DL as shown below. Each register can store 8 bits. To store more than 8 bits, we have to use two registers in pairs. There are 4 register pairs AX, BX, CX, DX. Each register pair can store a maximum of 16-bit data. Web1st step All steps Final answer Step 1/2 Displacement- 8 bit or 16 bit immediate value given in the instruction (for example, data value of AL in the given instruction) gives the value of … Webmov al,00111100b. or al,82h. 1011 1110. After executing the following instruction sequence, what is the value of AL, in binary: mov al,4Bh. and al,6Ch. 01001000. Even in older x86 … rdn garbage pickup schedule