summaryrefslogtreecommitdiff
path: root/data/examples/test3.asm
diff options
context:
space:
mode:
Diffstat (limited to 'data/examples/test3.asm')
-rw-r--r--data/examples/test3.asm73
1 files changed, 73 insertions, 0 deletions
diff --git a/data/examples/test3.asm b/data/examples/test3.asm
new file mode 100644
index 0000000..69f73f3
--- /dev/null
+++ b/data/examples/test3.asm
@@ -0,0 +1,73 @@
+# All program code is placed after the
+# .text assembler directive
+.text
+
+# Declare main as a global function
+.globl main
+
+j main
+
+# code for main
+main:
+# Entering a new scope.
+# Symbols in symbol table:
+# a
+# println
+# b
+# return
+# Update the stack pointer.
+addi $sp $sp -0
+# println
+la $a0 datalabel0
+li $v0 4
+syscall
+la $a0 newline
+li $v0 4
+syscall
+# Get a's offset from $sp from the symbol table and initialize a's address with it. We'll add $sp later.
+li $t0 -4
+# Add the stack pointer address to the offset.
+add $t0 $t0 $sp
+# Compute rhs for assignment =
+li $t1 3
+# complete assignment statement with store
+sw $t1 0($t0)
+# Get b's offset from $sp from the symbol table and initialize b's address with it. We'll add $sp later.
+li $t0 -8
+# Add the stack pointer address to the offset.
+add $t0 $t0 $sp
+# Compute rhs for assignment =
+li $t1 4
+# complete assignment statement with store
+sw $t1 0($t0)
+# println
+# Get a's offset from $sp from the symbol table and initialize a's address with it. We'll add $sp later.
+li $t1 -4
+# Add the stack pointer address to the offset.
+add $t1 $t1 $sp
+# Load the value of a.
+lw $t0 0($t1)
+# Get b's offset from $sp from the symbol table and initialize b's address with it. We'll add $sp later.
+li $t2 -8
+# Add the stack pointer address to the offset.
+add $t2 $t2 $sp
+# Load the value of b.
+lw $t1 0($t2)
+add $t0 $t0 $t1
+move $a0 $t0
+li $v0 1
+syscall
+la $a0 newline
+li $v0 4
+syscall
+# Exiting scope.
+addi $sp $sp 0
+li $v0 10
+syscall
+
+# All memory structures are placed after the
+# .data assembler directive
+.data
+
+newline: .asciiz "\n"
+datalabel0: .asciiz "This program prints the number 7"