Rewrite the code with local variables only and add trace tags to the code.

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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Rewrite the code with local variables only and add trace tags to the code. 

BR main                      // branch to main loop

x:    .BLOCK 2              // storage for x

Y:   .BLOCK 2               // storage for y

Temp: EQUATE 0         // set Temp=0 local variable #2d

Main:

 LDWA  3,i                // input i=3

STWA x,d                 //Store x

LDWA 8,i                 // i=8

STWA y,d                //store y

SUBSP 2,i               // subtract from stack pointer

STWA temp,s         //store word to stack

LDWA x,d               // Load word accumulator d to x

STWA y,d              // Store word accumulator d to y

LDWA temp,S      // Load word accumulator temp to stack

STWA x,d            // store d to x

ADDSP 2,i          // add to stack pointer

STOP                // stop execution

.END

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