NOTE: Use the Stack-based Linkage Conventionfor these programs. In the Settings

Question

NOTE: Use the Stack-based Linkage Conventionfor these programs.

In the Settings menu of SPIM set Bare MachineOFF, Allow Pseudo InstructionsON, Load Trap File ON, DelayedBranches ON, Delayed Loads ON, Mapped IO ON, QuietOFF.

Run the programs by clicking SimulatorGo and thenOK in the pop-up panel.

Write a program that asks if the user wants a triangle or asquare. It then prompts for the size of the object (the number oflines it takes to draw the object). The program then writes atriangle or a square of stars ("*") to the monitor.

or

Write a subroutine for each figure. In them, use a subroutinestarline that writes a line of a given number ofstars.

Printout of program (fromNotepad), screen printout from SPIM showing final values inregisters, screen printout of I/O screen showing result.

Explanation / Answer

x.Xlor="red">please rate -thanks best I can do ## Ch27Pr03.asm ## This program that asks if the user wants a triangle or a square. ## It then prompts for the size of the object. ## It then writes a triangle or a square of stars ("*") to the monitor.         .text         .globl    main main:         sub        $sp,$sp,4        # push the return address         sw        $ra,($sp)                li        $s0,1            # $s0 is 'r'         li        $s1,2            # $s1 is 't'                la        $a0,prompt1        # prompt the user         li        $v0,4            # service 4         syscall         li        $v0,5            #read char into $v0         syscall                    #service 5         move        $s2,$v0                la        $a0,prompt2        # prompt the user         li        $v0,4            # service 4         syscall         li        $v0,5            #read int into $v0         syscall                    #service 5         move        $s3,$v0                            la        $a0,output               li        $v0,4                           syscall            move        $a0,$s2         move        $a1,$s3         beq        $a0,$s0,rect         beq        $a0,$s1,tri        j              exit tri:    jal           triangle        j              exit rect: jal        rectangle               exit:        lw        $ra,($sp)        # pop return address         add        $sp,$sp,4         jr        $ra            # return to OS rectangle:         sub        $sp,$sp,4        # push the return address         sw        $ra,($sp)         li        $t0,0         move        $t1,$a1 outer1:        li        $t2,6 inner1:        la        $a0,line2               li        $v0,4                   syscall         addi        $t2,-1         bnez        $t2,inner1         nop         la        $a0,line3               li        $v0,4                   syscall         addi   $t0,1         bne        $t0,$t1,outer1         lw        $ra,($sp)        # pop return address         add        $sp,$sp,4         jr        $ra            # return to OS triangle:         sub        $sp,$sp,4        # push the return address         sw        $ra,($sp)        li        $t0,0         move        $t1,$a1 outer:        li        $t2,0 inner:        la        $a0,line2         &nb

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