Write an assembly language program to read in a string, store the string as a null terminated string, and write the string back out to the output device using the MARS Keyboard and Display MMIO Simulator. Use polling I/O. The code should be structured into three separate files. test driver file to call "read string" and then "write string", read string file, and write string file. The input string procedure should recognize the “end of line" ascii character and arrange to terminate the string with the standard (for MIPS) .asciiz null character
Write an assembly language program to read in a string, store the string as a null terminated string, and write the string back out to the output device using the MARS Keyboard and Display MMIO Simulator. Use polling I/O. The code should be structured into three separate files. test driver file to call "read string" and then "write string", read string file, and write string file. The input string procedure should recognize the “end of line" ascii character and arrange to terminate the string with the standard (for MIPS) .asciiz null character
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Transcribed Image Text:Write an assembly language program to
read in a string, store the string as a null
terminated string, and write the string back
out to the output device using the MARS
Keyboard and Display MMIO Simulator. Use
polling I/O.
The code should be structured into three
separate files.
test driver file to call "read string" and then
"write string",
read string file, and
write string file.
The input string procedure should
recognize the "end of line" ascii character
and arrange to terminate the string with the
standard (for MIPS) .asciiz null character
"00". The output file should output all of the
characters up to the null character "00"
The "end of line" character in MARS is the
LF character (line feed). It can be declared
as “Ox0a"
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