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SHL/SAL : Shift logical/Arithmetic Left: These instructions shift the operand byte or word bit by bit to the left and insert 0 in the newly introduced least significant bits. In case of all the ROTATE and SHIFT instructions, the count is either 1 or specified by register CL. The operand might reside in a register or a memory location but can't be an immediate data. All flags are affected depending on the result. Given figure describe the execution of this instruction. It is to be considering here that the shift operation is through carry flag.
Figure: Execution of SHL/SAL
8237 modes : Intel 8237 can be set to four different type of style of transfer: 1) Single - One transfer at a time, it allow processor access to the bus between transfers
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
CAN U GIVE BRIEF THEORY
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 operati
LABEL : The Label directive which is used to assign a name to the current content of the location counter. At the beginning of the assembly process, the assembler start a loca
Memory Interface Figure: Memory Modulation design The memory of a computer contain of number of memo
Opcode : The opcode generally appear in the first byte.but in a few instructions, a register objective is in the first byte and few other instructions may have their 3-bits of
How to define procedures?
ali is impressed_____ ahmed''s grades.
I need a division subroutine. Asks for two inputs, then displays the inputs and shows the answer with a remainder. Mine isnt displaying the inputs correctly.
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