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--- mywiki:hw:mips:mipssimulator [2014/07/26 18:30] – created shaoguoh
+++ mywiki:hw:mips:mipssimulator [2022/04/02 17:29] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
 MIPS Simulator-SPIM
+====== SPIM Simulator for Windows ======
+| {{:mywiki:hw:mips:pcspim.zip|PcSpim For Windows download}} |
+| [[pcspim_syscall]] |
+====== SPIM Example 1 ======
+<file asm test1.asm >
+# Sample spim program
+#
+# Written by Pat Troy, 11/8/2002
+	.data
+prompt:	.asciiz "Enter in an integer: "
+str1:	.asciiz "the answer is: "
+newline: .asciiz	"\n"
+bye:	.asciiz	"Goodbye!\n"
+	.globl	main
+	.text
+main:
+	# initialize
+	li	$s0, 10
+	# prompt for input
+	li	$v0, 4
+	la	$a0, prompt
+	syscall
+	# read in the value
+	li	$v0, 5
+	syscall
+	move 	$s0, $v0
+loop:
+	# print str1
+	li	$v0, 4
+	la	$a0, str1
+	syscall
+	# print loop value
+	li	$v0, 1
+	move	$a0, $s0
+	syscall
+	# print newline
+	li	$v0, 4
+	la	$a0, newline
+	syscall
+	# decrement loop value and branch if not negative
+	sub	$s0, $s0, 1
+	bgez	$s0, loop
+	# print goodbye message
+	li	$v0, 4
+	la	$a0, bye
+	syscall
+</file>
+====== SPIM Example 2 ======
+<file asm test2.asm>
+## addEm.asm
+## program to add two integers
+##
+        .text
+        .globl  main
+main:
+        la    $t0,val2     #  put a 32-bit address into $t0
+        lw    $t1,0($t0)   #  load first value, 2
+        lw    $t2,4($t0)   #  load second value, 3
+        sll   $0,$0,0      #  load delay slot
+        addu  $t1,$t1,$t2  #  calc. sum
+        .data
+val0:   .word   0
+val1:   .word   1
+val2:   .word   2
+val3:   .word   3
+val4:   .word   4
+val5:   .word   5
+</file>