May 2024
Intermediate to advanced
536 pages
17h 10m
English
Content preview from Compilers: Principles and Practice by Pearson
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46 Compilers – Principles and Practice
The following are the major functions in the simulator:
fetch() get the next instruction from the memory as per IP.
operand() get the operand (and its address) specified in the instruction fetched.
execute() execute the instruction just fetched with the operand obtained, then sleep for a couple of
seconds.
load() used in the main() to load the machine code from a file.
display() display registers and memory contents and wait till execute() is ready for the next
display. This will be a few seconds before the next instruction.
The simulator reads in the program file, having one line per instruction and six fields ...
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