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Arithmetic Instruction :
These instructions are usually perform the arithmetic operations, like subtraction ,multiplication, addition, and division along with the respective ASCII and decimal adjust instructions. The decrement and increment operations also belong to this type of instructions. The 8086/ 8088 instructions is falling under this category are described below in significant details. The arithmetic instructions affect all of the condition code flags. The operands are either the memory or registers operation or immediate data depending on the addressing mode. Some of the Arithmetic Instructions are ADC, ADD, DEC, SUB, CMP, AAA ,AAS, AAM, AAD, DAA, DAS, NEG, MLIL, IMUL, CBW, CWD, DIV, IDIV.
DEC: Decrement :- The decrement instruction subtracts 1 from the contents of the particular memory location or register. All the conditions code flags except carry flag are affec
Program is written but has errors returning values from the procedure.
The modes are determined by the contents of the control register, whose format is given in Figure These modes are: Mode 0: If a group is in mode 0, it is divided into 2 sets.
RISC Characteristics : The concept of RISC architecture include an attempt to reduce execution time by make simple the instruction set of the computer. The main c
DIV: Unsigned Division:- This instruction performs unsigned division operation. It divides an unsigned word or double word by a 16-bit or 8-bit operand. The dividend might be in t
Write a nonrecursive version of the Factorial procedure (Section 8.3.2) that uses a loop. (A VideoNote for this exercise is posted on the Web site.) Write a short program that inte
The definitions of the bits in ICWI are following: Always set to the value 1. It directs the received byte to ICWI as oppose to OCW2 or OCW3. Which also utilize the even addr
8254 Programmable Timer A diagram of Intel's 8254 interval event/timer counter is given in Figure. The 8254 consists of 3 identical counting circuits, per of which has GATE and
) What is the difference between re-locatable program and re-locatable data?
Develop a suitable schematic circuit diagram of your system showing the interface between the PIC16F84 and the existing mains light & switch, including 5V derivation from the 240V
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