1 files changed, 140 insertions, 0 deletions
diff --git a/base/MoreThan4.s b/base/MoreThan4.s
new file mode 100644
index 0000000..d04c1f5
--- /dev/null
+++ b/base/MoreThan4.s
@@ -0,0 +1,140 @@
+.data
+
+vmt_MT4:
+  MT4.Start
+  MT4.Change
+
+.text
+
+  jal Main
+  li $v0 10
+  syscall
+
+Main:
+  sw $fp -8($sp)
+  move $fp $sp
+  subu $sp $sp 20
+  sw $ra -4($fp)
+  li $a0 4
+  jal _heapAlloc
+  move $t0 $v0
+  la $t9 vmt_MT4
+  sw $t9 0($t0)
+  bnez $t0 null1
+  la $a0 _str0
+  j _error
+null1:
+  lw $t1 0($t0)
+  lw $t1 0($t1)
+  move $a0 $t0
+  li $a1 1
+  li $a2 2
+  li $a3 3
+  li $t9 4
+  sw $t9 0($sp)
+  li $t9 5
+  sw $t9 4($sp)
+  li $t9 6
+  sw $t9 8($sp)
+  jalr $t1
+  move $t1 $v0
+  move $a0 $t1
+  jal _print
+  lw $ra -4($fp)
+  lw $fp -8($fp)
+  addu $sp $sp 20
+  jr $ra
+
+MT4.Start:
+  sw $fp -8($sp)
+  move $fp $sp
+  subu $sp $sp 20
+  sw $ra -4($fp)
+  move $t0 $a0
+  move $t1 $a1
+  move $t2 $a2
+  move $t3 $a3
+  lw $t4 0($fp)
+  lw $t5 4($fp)
+  lw $t6 8($fp)
+  move $a0 $t1
+  jal _print
+  move $a0 $t2
+  jal _print
+  move $a0 $t3
+  jal _print
+  move $a0 $t4
+  jal _print
+  move $a0 $t5
+  jal _print
+  move $a0 $t6
+  jal _print
+  lw $t7 0($t0)
+  lw $t7 4($t7)
+  move $a0 $t0
+  move $a1 $t6
+  move $a2 $t5
+  move $a3 $t4
+  sw $t3 0($sp)
+  sw $t2 4($sp)
+  sw $t1 8($sp)
+  jalr $t7
+  move $t7 $v0
+  move $v0 $t7
+  lw $ra -4($fp)
+  lw $fp -8($fp)
+  addu $sp $sp 20
+  jr $ra
+
+MT4.Change:
+  sw $fp -8($sp)
+  move $fp $sp
+  subu $sp $sp 8
+  sw $ra -4($fp)
+  move $t0 $a1
+  move $t1 $a2
+  move $t2 $a3
+  lw $t3 0($fp)
+  lw $t4 4($fp)
+  lw $t5 8($fp)
+  move $a0 $t0
+  jal _print
+  move $a0 $t1
+  jal _print
+  move $a0 $t2
+  jal _print
+  move $a0 $t3
+  jal _print
+  move $a0 $t4
+  jal _print
+  move $a0 $t5
+  jal _print
+  li $v0 0
+  lw $ra -4($fp)
+  lw $fp -8($fp)
+  addu $sp $sp 8
+  jr $ra
+
+_print:
+  li $v0 1   # syscall: print integer
+  syscall
+  la $a0 _newline
+  li $v0 4   # syscall: print string
+  syscall
+  jr $ra
+
+_error:
+  li $v0 4   # syscall: print string
+  syscall
+  li $v0 10  # syscall: exit
+  syscall
+
+_heapAlloc:
+  li $v0 9   # syscall: sbrk
+  syscall
+  jr $ra
+
+.data
+.align 0
+_newline: .asciiz "\n"
+_str0: .asciiz "null pointer\n"