diff --git a/sim/cpe315_thumbsim/fuck b/sim/cpe315_thumbsim/fuck
@@ -0,0 +1,235 @@
+Starting at PC 83ec
+push {r7, lr}
+sub sp, #16
+add r7, sp, #0
+movs r3, #0
+str r3, [r7, #12]
+movs r3, #1
+str r3, [r7, #8]
+movs r3, #0
+str r3, [r7, #4]
+movs r3, #0
+str r3, [r7, #0]
+b 0x841a
+ldr r3, [r7, #0]
+cmp r3, #9
+ble 0xf1
+ldr r2, [r7, #12]
+ldr r3, [r7, #8]
+adds r3, r2, r3
+str r3, [r7, #4]
+ldr r3, [r7, #8]
+str r3, [r7, #12]
+ldr r3, [r7, #4]
+str r3, [r7, #8]
+ldr r3, [r7, #0]
+adds r3, #1
+str r3, [r7, #0]
+ldr r3, [r7, #0]
+cmp r3, #9
+ble 0xf1
+ldr r2, [r7, #12]
+ldr r3, [r7, #8]
+adds r3, r2, r3
+str r3, [r7, #4]
+ldr r3, [r7, #8]
+str r3, [r7, #12]
+ldr r3, [r7, #4]
+str r3, [r7, #8]
+ldr r3, [r7, #0]
+adds r3, #1
+str r3, [r7, #0]
+ldr r3, [r7, #0]
+cmp r3, #9
+ble 0xf1
+ldr r2, [r7, #12]
+ldr r3, [r7, #8]
+adds r3, r2, r3
+str r3, [r7, #4]
+ldr r3, [r7, #8]
+str r3, [r7, #12]
+ldr r3, [r7, #4]
+str r3, [r7, #8]
+ldr r3, [r7, #0]
+adds r3, #1
+str r3, [r7, #0]
+ldr r3, [r7, #0]
+cmp r3, #9
+ble 0xf1
+ldr r2, [r7, #12]
+ldr r3, [r7, #8]
+adds r3, r2, r3
+str r3, [r7, #4]
+ldr r3, [r7, #8]
+str r3, [r7, #12]
+ldr r3, [r7, #4]
+str r3, [r7, #8]
+ldr r3, [r7, #0]
+adds r3, #1
+str r3, [r7, #0]
+ldr r3, [r7, #0]
+cmp r3, #9
+ble 0xf1
+ldr r2, [r7, #12]
+ldr r3, [r7, #8]
+adds r3, r2, r3
+str r3, [r7, #4]
+ldr r3, [r7, #8]
+str r3, [r7, #12]
+ldr r3, [r7, #4]
+str r3, [r7, #8]
+ldr r3, [r7, #0]
+adds r3, #1
+str r3, [r7, #0]
+ldr r3, [r7, #0]
+cmp r3, #9
+ble 0xf1
+ldr r2, [r7, #12]
+ldr r3, [r7, #8]
+adds r3, r2, r3
+str r3, [r7, #4]
+ldr r3, [r7, #8]
+str r3, [r7, #12]
+ldr r3, [r7, #4]
+str r3, [r7, #8]
+ldr r3, [r7, #0]
+adds r3, #1
+str r3, [r7, #0]
+ldr r3, [r7, #0]
+cmp r3, #9
+ble 0xf1
+ldr r2, [r7, #12]
+ldr r3, [r7, #8]
+adds r3, r2, r3
+str r3, [r7, #4]
+ldr r3, [r7, #8]
+str r3, [r7, #12]
+ldr r3, [r7, #4]
+str r3, [r7, #8]
+ldr r3, [r7, #0]
+adds r3, #1
+str r3, [r7, #0]
+ldr r3, [r7, #0]
+cmp r3, #9
+ble 0xf1
+ldr r2, [r7, #12]
+ldr r3, [r7, #8]
+adds r3, r2, r3
+str r3, [r7, #4]
+ldr r3, [r7, #8]
+str r3, [r7, #12]
+ldr r3, [r7, #4]
+str r3, [r7, #8]
+ldr r3, [r7, #0]
+adds r3, #1
+str r3, [r7, #0]
+ldr r3, [r7, #0]
+cmp r3, #9
+ble 0xf1
+ldr r2, [r7, #12]
+ldr r3, [r7, #8]
+adds r3, r2, r3
+str r3, [r7, #4]
+ldr r3, [r7, #8]
+str r3, [r7, #12]
+ldr r3, [r7, #4]
+str r3, [r7, #8]
+ldr r3, [r7, #0]
+adds r3, #1
+str r3, [r7, #0]
+ldr r3, [r7, #0]
+cmp r3, #9
+ble 0xf1
+ldr r2, [r7, #12]
+ldr r3, [r7, #8]
+adds r3, r2, r3
+str r3, [r7, #4]
+ldr r3, [r7, #8]
+str r3, [r7, #12]
+ldr r3, [r7, #4]
+str r3, [r7, #8]
+ldr r3, [r7, #0]
+adds r3, #1
+str r3, [r7, #0]
+ldr r3, [r7, #0]
+cmp r3, #9
+ble 0xf1
+ldr r3, [r7, #4]
+adds r0, r3, #0
+mov sp, r7
+add sp, #16
+pop {r7, pc}
+DATA:
+ffffffec: a
+fffffff0: 59
+fffffff4: 59
+fffffff8: 37
+0: 83ee
+104ac: 83b8
+104b0: 8390
+104b8: 1
+104bc: 1
+104c0: c
+104c4: 8274
+104c8: d
+104cc: 8494
+104d0: 19
+104d4: 104ac
+104d8: 1b
+104dc: 4
+104e0: 1a
+104e4: 104b0
+104e8: 1c
+104ec: 4
+104f0: 6ffffef5
+104f4: 818c
+104f8: 5
+104fc: 81f0
+10500: 6
+10504: 81b0
+10508: a
+1050c: 3c
+10510: b
+10514: 10
+10518: 15
+10520: 3
+10524: 105a0
+10528: 2
+1052c: 18
+10530: 14
+10534: 11
+10538: 17
+1053c: 825c
+10540: 11
+10544: 8254
+10548: 12
+1054c: 8
+10550: 13
+10554: 8
+10558: 6ffffffe
+1055c: 8234
+10560: 6fffffff
+10564: 1
+10568: 6ffffff0
+1056c: 822c
+105a0: 104b8
+105ac: 8280
+105b0: 8280
+105b4: 8280
+RF:
+59
+0
+22
+59
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+0
+ffffffde
diff --git a/sim/cpe315_thumbsim/my_inputs/fib_main.s b/sim/cpe315_thumbsim/my_inputs/fib_main.s
@@ -0,0 +1,46 @@
+        .arch armv6
+        .fpu softvfp
+        .code   16
+        .file   "fib.c"
+        .text
+        .align  2
+        .global main
+        .code   16
+        .thumb_func
+        .type   main, %function
+main:
+        push    {r7, lr}
+        sub     sp, sp, #16
+        add     r7, sp, #0
+        mov     r3, #0
+        str     r3, [r7, #12]
+        mov     r3, #1
+        str     r3, [r7, #8]
+        mov     r3, #0
+        str     r3, [r7, #4]
+        mov     r3, #0
+        str     r3, [r7]
+        b       .L2
+.L3:
+        ldr     r2, [r7, #12]
+        ldr     r3, [r7, #8]
+        add     r3, r2, r3
+        str     r3, [r7, #4]
+        ldr     r3, [r7, #8]
+        str     r3, [r7, #12]
+        ldr     r3, [r7, #4]
+        str     r3, [r7, #8]
+        ldr     r3, [r7]
+        add     r3, r3, #1
+        str     r3, [r7]
+.L2:
+        ldr     r3, [r7]
+        cmp     r3, #9
+        ble     .L3
+        ldr     r3, [r7, #4]
+        mov     r0, r3
+        mov     sp, r7
+        add     sp, sp, #16
+        @ sp needed
+        pop     {r7, pc}
+        .size   main, .-main
diff --git a/sim/cpe315_thumbsim/thumbsim b/sim/cpe315_thumbsim/thumbsim