Program Counter

Question

Consider a 16 bit processor in which the following one address instruction is loaded into main memory : 

The effective address using PC-relative addressing mode when processor is executing an instruction at location 100 is __________ (Assume memory is of Byte addressable).

Ans. 402

Please Explain Briefly :)

Answer 1

Effective add = pc + relative value

Comments

https://gateoverflow.in/7281/calculate-effective-address

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So sir when say i am executing an instruction at the same time PC is incremented by word size there we do simply Pc <- Pc+Bytes in a word.

Now what's the difference between this case and the above question case.Is it because it says Relative address mode ?

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Bro 1 byte is done when instruction size is 1 byte but if insn size is 2 byte then we increment by 2