May 2024
Intermediate to advanced
534 pages
17h 58m
English
book
8051 Microcontroller, Internals, Instructions, Programming and Interfacing, 2nd Edition
by Subrata Ghoshal
Content preview from 8051 Microcontroller, Internals, Instructions, Programming and Interfacing, 2nd Edition
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PROGRAM BRANCHING
contain A10, A9 and A8 of the jump address which would vary in diff erent cases of jump addresses. As eight
variations are possible for these three bits, therefore, the AJMP instruction is allowed to have eight diff erent
opcodes as far as its fi rst byte is concerned. As a matter of fact, when we will discuss the ACALL instruction
in Chapter 8, we would observe the same speciality in that instruction also.
6.2.3 | SJMP Instruction
e third and the last in this series is the SJMP instruction which is a 2-byte two-cycle instruction hav-
ing the opcode 80H. e second byte of this instruction contains the signed magnitude of the ...
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