CS计算机代考程序代写 #############################################################
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# DO NOT MODIFY THIS FILE IN ANY WAY!!!
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# This data block contains all of the inputs and outputs
# necessary to summarize the final grades component of the
# output.
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.data
testset_format: .asciiz “Beginning to run tests to count the number of format specifiers.
”
testset_intconv: .asciiz “Beginning to run tests to check the integer conversion to string.
”
testset_sprintf: .asciiz “Beginning to run tests to verify the correctness of sprintf().
”
menu_lead: .asciiz “Which function(s) are you ready to test? [0-3]
”
menu_all: .asciiz ” 0. All of them
”
menu_first: .asciiz ” 1. Count format specifiers
”
menu_second: .asciiz ” 2. Convert int to string
”
menu_third: .asciiz ” 3. sprintf
”
invalid_input: .asciiz “Invalid selection. Try running again and entering a number 0-3.”
break: .asciiz “
—————————————————-
”
final_score: .asciiz “Your final scores are:
”
format_score: .asciiz ” Number of format specifiers: ”
conv_score: .asciiz ” Converting int to string: ”
sprintf_score: .asciiz ” Correctness of sprintf(): ”
slash_max: .asciiz “/100
”
slash_max2: .asciiz “/200
”
newline_main: .asciiz “
”
.text
.globl main
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# The code below calls the three testing procedures from
# the tests.asm file, stores, and outputs the total points
# earned from this assignment.
#############################################################
main:
# Print menu
la $a0, menu_lead
li $v0, 4
syscall
la $a0, menu_all
syscall
la $a0, menu_first
syscall
la $a0, menu_second
syscall
la $a0, menu_third
syscall
# Get user input
li $v0, 5
syscall
# Validate that it’s between 0-3 inclusive
blt $v0, $zero, BAD_INPUT
bgt $v0, 3, BAD_INPUT
j AFTER_BAD_INPUT
BAD_INPUT:
la $a0, invalid_input
li $v0, 4
syscall
j EXIT
AFTER_BAD_INPUT:
# $t6 will store the user option
move $t6, $v0
# Jump to next test if user option == 2 or 3
beq $t6, 2, BEFORE_CONVERT_INT
beq $t6, 3, BEFORE_CONVERT_INT
# Back up user test option before calling the tests
subi $sp, $sp, 4
sw $t6, 0($sp)
# Run tests for number of format specifiers
la $a0, testset_format
li $v0, 4
syscall
jal PROC_TEST_COUNT_FORMAT_SPECIFIERS
# Recover user option
lw $t6, 0($sp)
addi $sp, $sp, 4
# put number of points for format specifiers into $t9
move $t9, $v0
BEFORE_CONVERT_INT:
# Jump to next test if user option == 1 or 3
beq $t6, 1, BEFORE_SPRINTF
beq $t6, 3, BEFORE_SPRINTF
# Back up points so far & user option before calling the next set of tests
subi $sp, $sp, 8
sw $t9, 0($sp)
sw $t6, 4($sp)
jal PROC_TEST_CONVERT_INT_TO_STRING
# Recover points earned so far
lw $t9, 0($sp)
lw $t6, 4($sp)
addi $sp, $sp, 8
# put number of points for conversion into $t8
move $t8, $v0
BEFORE_SPRINTF:
# Jump to print points if user option == 1 or 2
beq $t6, 1, PRINT_POINTS
beq $t6, 2, PRINT_POINTS
# Run tests for number of format specifiers
la $a0, testset_sprintf
li $v0, 4
syscall
# Back up points so far & user option before calling the next set of tests
subi $sp, $sp, 12
sw $t9, 0($sp)
sw $t8, 4($sp)
sw $t6, 8($sp)
jal PROC_TEST_SPRINTF
# Recover points earned so far
lw $t9, 0($sp)
lw $t8, 4($sp)
lw $t6, 8($sp)
addi $sp, $sp, 12
# put number of points for sprintf into $t7
move $t7, $v0
PRINT_POINTS:
# output final grades
la $a0, break
li $v0, 4
syscall
la $a0, final_score
syscall
FORMAT_SPEC_GRADE:
# Jump to next points output if user option == 2 or 3
beq $t6, 2, INT_TO_STRING_GRADE
beq $t6, 3, INT_TO_STRING_GRADE
# format specifiers score
la $a0, format_score
syscall
move $a0, $t9
li $v0, 1
syscall
la $a0, slash_max
li $v0, 4
syscall
INT_TO_STRING_GRADE:
# Jump to next points output if user option == 1 or 3
beq $t6, 1, SPRINTF_GRADE
beq $t6, 3, SPRINTF_GRADE
# integer to string conversion score
la $a0, conv_score
syscall
move $a0, $t8
li $v0, 1
syscall
la $a0, slash_max
li $v0, 4
syscall
SPRINTF_GRADE:
# Jump to exit if user option == 1 or 2
beq $t6, 1, EXIT
beq $t6, 2, EXIT
# sprintf score
la $a0, sprintf_score
syscall
move $a0, $t7
li $v0, 1
syscall
la $a0, slash_max2
li $v0, 4
syscall
EXIT:
# terminate program cleanly
li $v0, 10
syscall
