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print_ieee.s
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print_ieee.s
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.text
.globl __start
__start:
loop:
li $v0,6
syscall
mov.s $f1, $f0
mfc1 $s0, $f1
beq $s0,$zero,exit
srl $s1,$s0,31 #sign
beq $s1,0, possitive
la $a0,negative
li $v0,4
syscall
j sposs
possitive: la $a0,poss
li $v0,4
syscall
sposs:
sll $s2,$s0,1
srl $s2, $s2,24
addi $s2,$s2,-127 #exp
sll $s3, $s0,9
li $t1,31
li $t2,0
li $t3,1
li $t4,0
li $t5,32
loop2:
beq $t4,$t5, end
move $s4,$s3
sllv $s4,$s4,$t4
srlv $s4,$s4,$t1
beq $s4,$zero,skip
move $t2,$t4
skip:
addi $t4,$t4,1
j loop2
end:
move $s4, $t2
addi $s4,$s4,1
sub $s5,$t5,$t7
#srlv $s6,$s3,$s5
li $t4,31
li $t6,0
loop3: beq $s4,$zero,end2
sll $t9,$s3,$t6
srlv $t9,$t9,$t4
beq $t9,$zero, pz
la $a0,ena
li $v0,4
syscall
cont:
addi $s4,$s4,-1
addi $t6,$t6,1
j loop3
pz: la $a0,mhden
li $v0,4
syscall
j cont
end2:
la $a0, ekth
li $v0,4
syscall
move $a0,$s2
li $v0,1
syscall
j loop
exit:
li $v0,10
syscall
.data
sp: .asciiz " "
mhden: .asciiz "0"
ena: .asciiz "1"
poss: .asciiz "+1."
negative: .asciiz "-1."
ekth: .asciiz " x 2^"
endl: .asciiz "\n"