Add exercice 3 for TD4

Signed-off-by: Jérôme Benoit <jerome.benoit@piment-noir.org>

diff --git a/TD4/mips1.asm b/TD4/mips1.asm
index 73da674fd5b4304f9d348875bf21b6bdaab01d8b..7e49dd305ff5b313ab7ae7c25704b7ec4593ebff 100644 (file)
--- a/TD4/mips1.asm
+++ b/TD4/mips1.asm
@@ -1,7 +1,7 @@
 .data
-       buffer1:                        .space 20
-       buffer2:                        .space 20
-       n:                                      .asciiz "\n"
+       buffer1:                .space 20
+       buffer2:                .space 20
+       n:                      .asciiz "\n"
        string_part_one:        .asciiz "Le temps est "
        string_part_two:        .asciiz ", je devrais prendre "
        string_part_three:      .asciiz " avant de sortir."
@@ -33,15 +33,15 @@
        la   $a0, buffer1
        li   $a1, 20
        syscall
-       la       $s0, buffer1   # $s0 contains base address of the string buffer
+       la   $s0, buffer1       # $s0 contains base address of the string buffer
        addi $s3, $0, '\n'      # $s3 = '\n'
 loop1:
-       lb       $s1, 0($s0)    # load character into $s0
-       beq      $s1, $s3, end1 # break if byte is newline
+       lb   $s1, 0($s0)        # load character into $s0
+       beq  $s1, $s3, end1     # break if byte is newline
        addi $s0, $s0, 1        # increment buffer address
-       j        loop1
+       j    loop1
 end1:
-       sb       $0, 0($s0)     #replace newline with 0
+       sb   $0, 0($s0)         # replace newline with 0
        la   $a0, input_string
        li   $v0, 4
        syscall
@@ -49,15 +49,15 @@ end1:
        la   $a0, buffer2
        li   $a1, 20
        syscall
-       la       $s0, buffer2   # $s0 contains base address of the string buffer
+       la   $s0, buffer2       # $s0 contains base address of the string buffer
        addi $s3, $0, '\n'      # $s3 = '\n'
 loop2:
-       lb       $s1, 0($s0)    # load character into $s0
-       beq      $s1, $s3, end2 # break if byte is newline
+       lb   $s1, 0($s0)        # load character into $s0
+       beq  $s1, $s3, end2     # break if byte is newline
        addi $s0, $s0, 1        # increment buffer address
-       j        loop2
+       j    loop2
 end2:
-       sb       $0, 0($s0)     #replace newline with 0
+       sb   $0, 0($s0)         # replace newline with 0
        la   $a0, string_part_one
        li   $v0, 4
        syscall

diff --git a/TD4/mips2.asm b/TD4/mips2.asm
new file mode 100644 (file)
index 0000000..3a0e834
--- /dev/null
+++ b/TD4/mips2.asm
@@ -0,0 +1,51 @@
+.data
+values_number_str:     .asciiz "Nombre de valeurs ? "
+value_input_str:       .asciiz "Valeur entiere ? "
+average_str:           .asciiz "La moyenne est "
+newline:               .asciiz "\n"
+
+.text
+main:
+       jal   number_values_input
+       # counter initialization
+       la    $s0, ($zero)
+       la    $s2, ($zero)
+loop:
+       beq   $s0, $s1, end
+       jal   input_value
+       add   $s2, $s2, $t0 
+       addi  $s0, $s0, 1
+       j     loop
+end:
+       divu  $s2, $s1
+       mflo  $s3        
+       jal   display_average
+       li    $v0, 10
+       syscall
+
+number_values_input:
+       la   $a0, values_number_str
+       li   $v0, 4
+       syscall
+        li   $v0, 5
+        syscall
+        move $s1, $v0
+        jr   $ra
+
+input_value:
+       la   $a0, value_input_str
+       li   $v0, 4
+       syscall
+        li   $v0, 5
+        syscall
+        move $t0, $v0
+        jr   $ra
+        
+display_average:
+       la   $a0, average_str
+       li   $v0, 4
+       syscall
+       move $a0, $s3
+       li   $v0, 1
+       syscall
+       jr   $ra
\ No newline at end of file