# mipstest.asm
# Test the following MIPS instructions.
# add, sub, and, or, slt, addi, lw, sw, beq, j
# Assembly Description Address Machine

main: addi $2, $0, 5 # initialize $2 = 5 3000 20020005
addi $3, $0, 12 # initialize $3 = 12 3004 2003000c
addi $7, $3, -9 # initialize $7 = 3 3008 2067fff7
or $4, $7, $2 # $4 <= 3 or 5 = 7 300c 00e22025
and $5, $3, $4 # $5 <= 12 and 7 = 4 3010 00642824
add $5, $5, $4 # $5 = 4 + 7 = 11 3014 00a42820
beq $5, $7, end # shouldn't be taken 3018 10a7000a
slt $4, $3, $4 # $4 = 12 < 7 = 0 301c 0064202a
beq $4, $0, around # should be taken 3020 10800001
addi $5, $0, 0 # shouldn't execute 3024 20050000
around: slt $4, $7, $2 # $4 = 3 < 5 = 1 3028 00e2202a
add $7, $4, $5 # $7 = 1 + 11 = 12 302c 00853820
sub $7, $7, $2 # $7 = 12 - 5 = 7 3030 00e23822
sw $7, 68($3) # [80] = 7 3034 ac670044
lw $2, 80($0) # $2 = [80] = 7 3038 8c020050
j end # should be taken 303c 08000c11
addi $2, $0, 1 # shouldn't execute 3040 20020001
end: sw $2, 84($0) # write adr 84 = 7 3044 ac020054
j main # go back to beginning 3048 08000c00