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.data
# on n'utilise pas cette chaîne, mais elle fait partie du code
ch: .asciiz "1 exemple d'exemple\n" # @ 0x1001 0000
.text
# main
addiu $29, $29, -24
# int i = 0
sw $0, 20($29)
# ch = 4($29)
addiu $16, $29, 4
ori $2, $0, 8
or $4, $0, $16
ori $5, $0, 16
syscall
# printf("%s", ch)
or $4, $0, $16
ori $2, $0, 4
syscall
or $17, $0, $16
while:
# while ch[i] != 0
lb $9, 0($17)
beq $9, $0, end_while
# ch[i] = min_to_maj_char(ch[i])
sw $9, 0($29)
or $4, $0, $9
jal min_to_maj_char
sb $2, 0($17)
# i++
addiu $17, $17, 1
j while
end_while:
# printf("%s", ch)
or $4, $0, $16
ori $2, $0, 4
syscall
addiu $29, $29, 24
ori $2, $0, 10
syscall
min_to_maj_char:
addiu $29, $29, -8
sw $31, 4($29)
# if ch[i] >= 'a'
sltiu $10, $4, 'a'
bne $10, $0, end_if
# if ch[i] <= 'z'
ori $10, $0, 'z'
sltu $10, $10, $4
bne $10, $0, end_if
# c - 0x20
addiu $4, $4, -0x20
end_if:
lw $31, 4($29)
or $2, $0, $4
addiu $29, $29, 8
jr $31
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