# Addition of two 16 bit numbers in 8085

• If either bit of an operand is 0, the result of corresponding bit is evaluated to 0. Let us suppose the bitwise AND operation of two integers 12 and 25. 12 = 00001100 (In Binary) 25 = 00011001 (In Binary) Bit Operation of 12 and 25 00001100 & 00011001 _____ 00001000 = 8 (In decimal) Example #1: Bitwise AND
Sep 12, 2009 · Add two 16-bit numbers (8085) Statement: Add the 16-bit number in memory locations 4000H and 4001H to the 16-bit number in memory locations 4002H and 4003H. The most significant eight bits of the two numbers to be added are in memory locations 4001H and 4003H.

In computer architecture, 16-bit integers, memory addresses, or other data units are those that are 16 bits (2 octets) wide.Also, 16-bit CPU and ALU architectures are those that are based on registers, address buses, or data buses of that size. 16-bit microcomputers are computers in which 16-bit microprocessors were the norm.

Program 8085 in Assembly language to add two 8-bit numbers. Result can be more than 8-bits. 1. Analyze the problem – Result of addition of two 8-bit numbers can be 9-bit – Example 10011001 (99H) A +10011001 (99H) B 100110010 (132H) – The 9th bit in the result is called CARRY bit.
• Assembly language programming examples- Addition of two 8-bit numbers whose sum is 16 bits. Assembly language programming examples-Decimal addition of two 8-bit numbers whose sum is 16 bits. Assembly language programming examples- Addition of two 16-bit numbers whose sum is 16 bits or more.
• Statement: Add the 16-bit number in memory locations 4000H and 4001H to the 16-bit number in memory locations 4002H and 4003H. The most significant eight bits of the two numbers to be added are in memory locations 4001H and 4003H. Store the result in memory locations 4004H and 4005H with the most significant byte in memory location 4005H.
• We are supposed to multiply two 8 bit numbers using shift and add operations of 8085 microprocessor. Answer should be a 16 bit number. Use of shift and add operation is compulsory

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Its data bus width is 8-bit and address bus width is 16-bit, thus it can address 216 = 64 KB of memory. The internal architecture of 8085 is shown is Fig. 2. Fig. 2 Internal Architecture of 8085 Arithmetic and Logic Unit The ALU performs the actual numerical and logical operations such as Addition (ADD), Subtraction (SUB), AND, OR etc.

Random Numbers; Root Finding; Series Sum; C++ Programming; Scilab; Microprocessor 8085 Programming; Quantum Espresso ... Subtraction of two 8-bit Nos. using Direct ...

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An example, suppose we add 127 and 127 using 8-bit registers. 127+127 is 254, but using 8-bit arithmetic the result would be 1111 1110 binary, which is the two's complement encoding of −2, a negative number. A negative sum of positive operands (or vice versa) is an overflow.

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Nov 12, 2014 · 8085 Programming: 2's COMPLEMENT OF A 16-BIT NUMBER The 16bit number is stored in C050,C051. The answer is stored in C052,C053 LXI H,C050 MVI B,00 MOV A,M CMA ADI 01 ST...

Nov 12, 2020 · Examples – Inputs and output are given in Hexadecimal representation. The multiplication of the two 16 bit numbers may result into a 32 bit number. The .asm file is given below after the code. Problem – Write an assembly language program in 8086 microprocessor to divide a 16 bit number by an 8 bit number.

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Aug 14, 2018 · 8085 program to add two 16 bit numbers. 18, Apr 18. 8085 program to swap two 8-bit numbers. 24, Apr 18. 8085 program to find larger of two 8 bit numbers. 01, May 18.

Jun 20, 2015 · Previous Post 8086 Assembly Program to Subtract Two 16 bit Numbers Next Post 8086 Assembly Program for Subtraction of Two 32 bit Numbers Leave a Reply Cancel reply This site uses Akismet to reduce spam.

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To multiply two 8 bit numbers stored at consecutive memory locations and store the result in memory. ... Microprocessor 8085 Lab Cycle:1- 16 BIT-Addition/S...

If two 8 bit numbers are added in 8085 microprocessor, will it give 16 bit result, if so where it will be stored, because Accumulator can store only 8 bit. Stack Exchange Network Stack Exchange network consists of 176 Q&A communities including Stack Overflow , the largest, most trusted online community for developers to learn, share their ...

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8051 program to add two 8 bit numbers and store the result at external memory location 2050H. Write an 8051 C program to toggle bits of P1 continuously with a 250 ms delay. Microcontroller Program to generate a square wave of 10 Hz at pin P1.0 of 8051 using timer; 8051 program to count the number of 1’s & 0’s in a number

Dec 25, 2016 · 8051 Program to add two 16 bit Numbers Below Code is Complied and Verified in Keil uVision 3. The .asm file is given below after the code. For clarifications and suggestion comment in the comment section ; 8051 ASSEMBLY CODE -- CODESEXPLORER BLOG; ALP TO ADD TWO 16 BIT NUMBER; BELOW CODE ADDS AB20H + […]

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Each of the four channels of 8257 has a pair of two 16-bit registers. DMA address register and terminal count register. Also, there are two common registers for all the channels; namely, mode set registers and status register. Thus there are a total of ten registers. The CPU selects one of these ten registers using address lines A0- A3.

Explain any two data transfer instructions of 8085. Compare SUB reg and CMP reg instructions. Write an assembly language program to find the 2's complement of an 8-bit number. Define the terms machine cycle and instruction cycle. Define counters and time delays. Define interrupt. Write an assembly language program to add two bytes.

16 bit operation with 8 bit sign extended immediate operand- S:W= 11 An instruction may use the operand as two registers or register to or from memory. The source and destination of the operand is indicated by the D field in the instruction and whether it is a byte or a word operation is indicated by the w field in the instruction.
8-bit B and 8-bit C registers can be used as one 16-bit BC register pair. When used as a pair the C register contains low-order byte. Some instructions may use BC register as a data pointer. 8-bit D and 8-bit E registers can be used as one 16-bit DE register pair. When used as a pair the E register contains low-order byte.
8085 program to add two 16 bit numbers. 18, Apr 18. 8085 program to swap two 8-bit numbers. 24, Apr 18. 8085 program to find larger of two 8 bit numbers. 01, May 18. 8085 program to find smallest number between two numbers. 03, May 18. 8085 program to multiply two 8 bit numbers using logical instructions.
Mar 25, 2007 · You first need to move one of the two lsb bytes into WREG and add the other number's lsb byte to it using 'addwf'. If that addition generates an overflow, the 'carry' bit will be set, otherwise it will be cleared. By then using 'addwfc' to add the two msb bytes, any carry from the lsb addition will propogate up into the msb byte.