Output from C program (no blank lines before or after):

           5    0x00000005
          -5    0xfffffffb
           5    0x00000005
         120    0x00000078
                0x11111111
          -8    0xfffffff8
           8    0x00000008
           8    0x00000008
       40320    0x00009d80
                0x11111111
         -12    0xfffffff4
          12    0x0000000c
          12    0x0000000c
   479001600    0x1c8cfc00
                0x11111111



Output from Y86 program (the only part that needs to match is
the rightmost column at the beginning of Changes to memory; 
everything else can be different):

Stopped in 1982 steps at PC = 0xa1.  Status 'HLT', CC Z=1 S=0 O=0
Changes to registers:
%eax:	0x00000000	0x1c8cfc00
%ebx:	0x00000000	0x11111111
%esp:	0x00000000	0x00001000
%esi:	0x00000000	0x0000017c
%edi:	0x00000000	0x000001bc

Changes to memory:
0x0180:	0x00000000	0x00000005
0x0184:	0x00000000	0xfffffffb
0x0188:	0x00000000	0x00000005
0x018c:	0x00000000	0x00000078
0x0190:	0x00000000	0x11111111
0x0194:	0x00000000	0xfffffff8
0x0198:	0x00000000	0x00000008
0x019c:	0x00000000	0x00000008
0x01a0:	0x00000000	0x00009d80
0x01a4:	0x00000000	0x11111111
0x01a8:	0x00000000	0xfffffff4
0x01ac:	0x00000000	0x0000000c
0x01b0:	0x00000000	0x0000000c
0x01b4:	0x00000000	0x1c8cfc00
0x01b8:	0x00000000	0x11111111
0x0edc:	0x00000000	0x00000001   <--  top of stack
0x0ee0:	0x00000000	0x000001b0
0x0ee4:	0x00000000	0x00000f00
0x0ee8:	0x00000000	0x00000162
0x0eec:	0x00000000	0x00000001
0x0ef0:	0x00000000	0x00000002
0x0ef4:	0x00000000	0x00000001
0x0ef8:	0x00000000	0x000001b0
0x0efc:	0x00000000	0x00000f18
0x0f00:	0x00000000	0x00000162
0x0f04:	0x00000000	0x00000002
0x0f08:	0x00000000	0x00000003
0x0f0c:	0x00000000	0x00000001
0x0f10:	0x00000000	0x000001b0
0x0f14:	0x00000000	0x00000f30
0x0f18:	0x00000000	0x00000162
0x0f1c:	0x00000000	0x00000006
0x0f20:	0x00000000	0x00000004
0x0f24:	0x00000000	0x00000001
0x0f28:	0x00000000	0x000001b0
0x0f2c:	0x00000000	0x00000f48
0x0f30:	0x00000000	0x00000162
0x0f34:	0x00000000	0x00000018
0x0f38:	0x00000000	0x00000005
0x0f3c:	0x00000000	0x00000001
0x0f40:	0x00000000	0x000001b0
0x0f44:	0x00000000	0x00000f60
0x0f48:	0x00000000	0x00000162
0x0f4c:	0x00000000	0x00000078
0x0f50:	0x00000000	0x00000006
0x0f54:	0x00000000	0x00000001
0x0f58:	0x00000000	0x000001b0
0x0f5c:	0x00000000	0x00000f78
0x0f60:	0x00000000	0x00000162
0x0f64:	0x00000000	0x000002d0
0x0f68:	0x00000000	0x00000007
0x0f6c:	0x00000000	0x00000001
0x0f70:	0x00000000	0x000001b0
0x0f74:	0x00000000	0x00000f90
0x0f78:	0x00000000	0x00000162
0x0f7c:	0x00000000	0x000013b0
0x0f80:	0x00000000	0x00000008
0x0f84:	0x00000000	0x00000001
0x0f88:	0x00000000	0x000001b0
0x0f8c:	0x00000000	0x00000fa8
0x0f90:	0x00000000	0x00000162
0x0f94:	0x00000000	0x00009d80
0x0f98:	0x00000000	0x00000009
0x0f9c:	0x00000000	0x00000001
0x0fa0:	0x00000000	0x000001b0
0x0fa4:	0x00000000	0x00000fc0
0x0fa8:	0x00000000	0x00000162
0x0fac:	0x00000000	0x00058980
0x0fb0:	0x00000000	0x0000000a
0x0fb4:	0x00000000	0x00000001
0x0fb8:	0x00000000	0x000001b0
0x0fbc:	0x00000000	0x00000fd8
0x0fc0:	0x00000000	0x00000162
0x0fc4:	0x00000000	0x00375f00
0x0fc8:	0x00000000	0x0000000b
0x0fcc:	0x00000000	0x00000001
0x0fd0:	0x00000000	0x000001b0
0x0fd4:	0x00000000	0x00000ff0
0x0fd8:	0x00000000	0x00000162
0x0fdc:	0x00000000	0x02611500
0x0fe0:	0x00000000	0x0000000c
0x0fe4:	0x00000000	0x0000000c
0x0fe8:	0x00000000	0x11111111
0x0fec:	0x00000000	0x00000178
0x0ff4:	0x00000000	0x0000006c
0x0ff8:	0x00000000	0x0000000c
0x0ffc:	0x00000000	0xfffffff4