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The DIV instuction divides the unsigned 8-bit integer in the accumulator by the unsigned 8-bit integer in register B. After the division, the quotient is stored in the accumulator and the remainder is stored in the B register. The carry and OV flags are cleared. If the B register
In the division of unsigned numbers, the 8051 supports byte over byte only. The syntax is as follows. When dividing a byte by a byte, the numerator must be in register A and the denominator must be in B. After the DIV instruction is performed, the quotient is in A and the remainder is in B. See the following example.
Aug 24, 2012 To perform division of two 8 – bit numbers using 8051 instruction set. ALGORITHM: 1. Get the data in A – reg. 2. Get the value to be divided in B – reg. 3. Divide the two data 4. The quotient is in A – reg. 5. The remainder is in B – reg. 6. Store the results. PROGRAM: ORG 4100. CLR C MOV A,#data1. MOV B
Mar 21, 2015 Thirdly, go to a description of the instruction set of the MCU to learn about a specific instruction. The 8051 DIV instruction divides accumulator A by accumulator B. The result is in A and the remainder in B. In simple terms, the example attempts to separate a 0-99 binary value into the tens and units coefficients.
Nov 14, 2016
Aside from the MUL and DIV instructions, the "B" register is often used as yet another temporary storage register much like a ninth "R" register. The Data Pointer (DPTR). The Data Pointer (DPTR) is the 8051's only user-accessable 16-bit (2-byte) register. The Accumulator, "R" registers, and "B" register are all 1-byte values.
Feb 29, 2016 Instruction, DIV AB. Function, Divide. Bytes, 1. Cycles, 4. Encoding, 1 0 0 0 0 1 0 0. Operation, AB = A / B. Description, DIV AB divides the unsigned eight-bit integer in the Accumulator by the unsigned eight-bit integer in register B. The Accumulator receives the integer part of the quotient; register B receives
Description: Divides the unsigned value of the Accumulator by the unsigned value of the "B" register. The resulting quotient is placed in the Accumulator and the remainder is placed in the "B" register.
Alphabetical List of Instructions. ACALL - Absolute Call; ADD, ADDC - Add Accumulator (With Carry); AJMP - Absolute Jump; ANL - Bitwise AND; CJNE - Compare and Jump if Not Equal; CLR - Clear Register; CPL - Complement Register; DA - Decimal Adjust; DEC - Decrement Register; DIV - Divide Accumulator by B
Apr 5, 2013 Arithmetic Instruction : There are 24 arithmetic opcodes which are grouped into the following types: ADD and ADDC SUBB MUL DIV INC DEC DASub: MC Topic: Arithmetic & Logical operations; 3. Arithmetic Flags Flag: It is a 1-bit register that indicates the status of the result from an operation Flags are
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