01003144 8b442408         mov     eax,[esp+0x8]     ss:0023:0006fdb8=00000003
01003148 53               push    ebx
01003149 55               push    ebp
0100314a 8bc8             mov     ecx,eax
0100314c 56               push    esi
0100314d 8b742410         mov     esi,[esp+0x10]
01003151 c1e105           shl     ecx,0x5
01003154 f684310057000180 test    byte ptr [ecx+esi+0x1005700],0x80
0100315c 8d943100570001   lea     edx,[ecx+esi+0x1005700]
01003163 57               push    edi
01003164 746b             jz      winmine!StepSquare+0x8d (010031d1)
01003166 833df456000100   cmp     dword ptr [winmine!cBoxVisit (010056f4)],0x0
0100316d 7555             jnz     winmine!StepSquare+0x80 (010031c4)
0100316f 8b2d685a0001     mov     ebp,[winmine!yBoxMac (01005a68)]
01003175 6a01             push    0x1
01003177 58               pop     eax
01003178 3be8             cmp     ebp,eax
0100317a 7e70             jle     winmine!StepSquare+0xa8 (010031ec)
0100317c 8b1df8560001     mov     ebx,[winmine!xBoxMac (010056f8)]
01003182 bf20570001       mov     edi,0x1005720
01003187 6a01             push    0x1
01003189 59               pop     ecx
0100318a 3bd9             cmp     ebx,ecx
0100318c 7e0b             jle     winmine!StepSquare+0x55 (01003199)
0100318e f6043980         test    byte ptr [ecx+edi],0x80
01003192 740f             jz      winmine!StepSquare+0x5f (010031a3)
01003194 41               inc     ecx
01003195 3bcb             cmp     ecx,ebx
01003197 7cf5             jl      winmine!StepSquare+0x4a (0100318e)
01003199 40               inc     eax
0100319a 83c720           add     edi,0x20
0100319d 3bc5             cmp     eax,ebp
0100319f 7ce6             jl      winmine!StepSquare+0x43 (01003187)
010031a1 eb49             jmp     winmine!StepSquare+0xa8 (010031ec)
010031a3 ff742418         push    dword ptr [esp+0x18]
010031a7 c6020f           mov     byte ptr [edx],0xf
010031aa c1e005           shl     eax,0x5
010031ad 56               push    esi
010031ae 808c080057000180 or      byte ptr [eax+ecx+0x1005700],0x80
010031b6 8d840800570001   lea     eax,[eax+ecx+0x1005700]
010031bd e8edfeffff       call    winmine!StepBox (010030af)
010031c2 eb28             jmp     winmine!StepSquare+0