From 341fc63ff791e08c7d0a00346080067c9bd1d5dd Mon Sep 17 00:00:00 2001
From: Anhgelus Morhtuuzh <william@herges.fr>
Date: Sat, 1 Nov 2025 13:27:41 +0100
Subject: Cours du 17 au 21 octobre

---
 .../tme/tme6/exo1-q2.asm                           | 70 ++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 semestre 3/architecture des ordinateurs/tme/tme6/exo1-q2.asm

(limited to 'semestre 3/architecture des ordinateurs/tme/tme6/exo1-q2.asm')

diff --git a/semestre 3/architecture des ordinateurs/tme/tme6/exo1-q2.asm b/semestre 3/architecture des ordinateurs/tme/tme6/exo1-q2.asm
new file mode 100644
index 0000000..408f19a
--- /dev/null
+++ b/semestre 3/architecture des ordinateurs/tme/tme6/exo1-q2.asm	
@@ -0,0 +1,70 @@
+.data
+ch:	.space 11
+.text
+#main
+	# prologue
+	addiu $29, $29, -16 
+	# scanf
+	ori $2, $0, 5
+	syscall
+	sw $2, 4($29)
+	# chaine[10] = 0
+	lui $8, 0x1001
+	sb $0, 10($8)
+
+	# i = 9
+	lw $9, 0($29) # i
+	ori $9, $0, 9
+	sw $9, 0($29)
+	
+for:
+	# i >= 0
+	lw $9, 0($29)
+	bltz $9, end_for
+	# corps
+	# r = nb % 10
+	lw $10, 4($29) # nb
+	ori $11, $0, 10
+	div $10, $11
+	mfhi $12 # r
+	# nb /= 10
+	mflo $10
+	sw $10, 4($29)
+	# chaine[i] = r + 0x30
+	# *(chaine + i) = r + 0x30
+	addu $13, $8, $9
+	addiu $12, $12, 0x30
+	sb $12, 0($13)
+	
+	# i -= 1
+	addiu $9, $9, -1
+	sw $9, 0($29)
+	j for
+end_for:
+	ori $2, $0, 4
+	or $4, $0, $8
+	syscall
+	
+	# nbzero = 0
+	ori $12, $0, 0
+	# i = 0
+	ori $9, $0, 0
+	
+while:
+	sltiu $10, $9, 9
+	beq $10, $0, end_while
+	addu $11, $8, $9
+	lb $11, 0($11)
+	addiu $11, $11, -0x30
+	bne $11, $0, end_while
+	addiu $12, $12, 1
+	addiu $9, $9, 1
+	j while
+end_while:
+	ori $2, $0, 1
+	or $4, $0, $12
+	syscall
+	# épilogue
+	addiu $29, $29, 16
+	ori $2, $0, 10
+	syscall
\ No newline at end of file
-- 
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