ASSEMBLY LANGUAGE PROGRAMMING
ARCHITECTURE OF 8085
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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STA x
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LDA x
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ADD x
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SUB x
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INP
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Detailed explanation-1: -Instruction Execution These three major activities are called: Fetch, Increment, and Execute. Every computer does this.
Detailed explanation-2: -"LDA” is the mnemonic for the opcode (load accumulator A) and “21” is the operand (an address given in base 10). The manner of specification of the target address is called the addressing mode of the machine language instruction. A program for translating assembly language programs is called an. assembler.
Detailed explanation-3: -The LMC has nine instructions. Each instruction has an assembly mnemonic that is equivalent to a three-digit (decimal) instruction. In this numerical instruction, the first digit usually represents the instruction, and the second and third digits usually represent a mailbox address.