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RCR: Rotate Right through Carry:- This instruction rotates the contents bit-wise of the destination operand right by the specified count through carry flag (CF). For each operation, the carry flag is pushed into the MSB of the operand and the LSB is pushed into carry flag. Remaining bits are shifted right by the specified count positions. The PF, SF, ZF are not changed. The operand can be or memory location or a register. Given figure explains this operation.
Figure: Execution of RCR Instruction
RCL: Rotate Left through Carry:- This instruction rotates bit-wise the contents of the destination operand left by the specified count through the carry flag (CF). For each operation, the carry flag is pushed into LSB, and the MSB is pushed into the carry flag. Remaining bits are shifted left by the mention positions. The PF, SF, ZF are left operation. The operand can be memory location or a register. Given figure explains the operation.
Figure: Execution of RCL Instruction
The count for shifting or rotation is either 1 or is specified by using register CL, in case of all of the rotate and shift instructions.
init_lcd ;(this initialises a 2 row lcd) bcf TRISA,0 ;PORTA bit 0 as an output (lcd RS pin) bcf TRISA,1 ;PORTA bit 1
program to find negative and positive integers from given signed numbers with output and explanation of every instructions.
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Write an assembly program that will compute and output tuition cost: a. accept keyboard input of the number of credit hours taken b. accept keyboard input of the type of classes 1
Could I get an estimate on how much it would cost to write a program in assembly language?
REP : Repeat Instruction Prefix :- This instruction is utilized as a prefix to other instructions. The instruction in which the REP prefix is provided, is executed repetitively
NOT : Logical Invert: The NOT instruction complements (inverts) the contents of an a memory location or operand register bit by bit. The instance are as following: Example :
The processor 8088 The launching of the processor 8086 is consider as a remarkable step in the development of high speed computing machines. Before the introduction of 8086 mo
Write a program that will input a number from the keyboard, and then display the number in binary form, as well as the number of one's in the number. Hint: Shift the value left (or
Control Transfer or Branching Instruction Control transfer instructions transfer the flow of execution of the program to a new address specified in the instruction indirectly o
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