April 2014
Intermediate to advanced
536 pages
12h 41m
English
Content preview from 8051 Microcontrollers, 2nd Edition
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APPENDIX B
(Reprinted with Permission from Intel Corporation)
MCS®-51 PROGRAMMER'S GUIDE AND INSTRUCTION SET
INSTRUCTION DEFINITIONS
ACALL addr11
Function:
Absolute Call
Description:
ACALL unconditionally calls a subroutine located at the indicated address. The instruction increments the PC twice to obtain the address of the following instruction, then pushes the 16-bit result onto the stack (low-order byte first) and increments the Stack Pointer twice. The destination address is obtained by successively concatenating the five high-order bits of the incremented PC, opcode bits 7-5, and the second byte of the instruction. The subroutine called ...
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