Output from C program:

0x00000005
0x0000000f
0x0000000c
0x00000018
0x0000004b
0x000000e1


Output from Y86:

Stopped in 97 steps at PC = 0x79.  Status 'HLT', CC Z=1 S=0 O=0
Changes to registers:
%eax:	0x00000000	0x000000e1
%esp:	0x00000000	0x00000400
%esi:	0x00000000	0x000000b4
%edi:	0x00000000	0x000000d0

Changes to memory:
0x00b8:	0x00000000	0x00000005
0x00bc:	0x00000000	0x0000000f
0x00c0:	0x00000000	0x0000000c
0x00c4:	0x00000000	0x00000018
0x00c8:	0x00000000	0x0000004b
0x00cc:	0x00000000	0x000000e1
0x03ec:	0x00000000	0x000000b0    <-- this is the top of the stack;
0x03f4:	0x00000000	0x0000004d        values from this point on can be ignored
0x03f8:	0x00000000	0x0000004b
0x03fc:	0x00000000	0x0000004b