我手里有个软件，需要注册码，我已经找出大致范围，但不能判断注册码的位置，哪位大大指点一下，多谢了，下面是代码，请大大们解释一下，
10B795B0 55 push ebp
10B795B1 8BEC mov ebp,esp
10B795B3 81EC 88000000 sub esp,0x88
10B795B9 8B45 0C mov eax,dword ptr ss:[ebp+0xC]
10B795BC 8B88 E0000000 mov ecx,dword ptr ds:[eax+0xE0]
10B795C2 8B51 52 mov edx,dword ptr ds:[ecx+0x52]
10B795C5 8955 B4 mov dword ptr ss:[ebp-0x4C],edx
10B795C8 8B45 0C mov eax,dword ptr ss:[ebp+0xC]
10B795CB 8B48 18 mov ecx,dword ptr ds:[eax+0x18]
10B795CE 894D E4 mov dword ptr ss:[ebp-0x1C],ecx
10B795D1 8B55 10 mov edx,dword ptr ss:[ebp+0x10]
10B795D4 8995 7CFFFFFF mov dword ptr ss:[ebp-0x84],edx
10B795DA 8B85 7CFFFFFF mov eax,dword ptr ss:[ebp-0x84]
10B795E0 83E8 02 sub eax,0x2
10B795E3 8985 7CFFFFFF mov dword ptr ss:[ebp-0x84],eax
10B795E9 83BD 7CFFFFFF 2>cmp dword ptr ss:[ebp-0x84],0x2B
10B795F0 0F87 250A0000 ja PBVM115.10B7A01B ; 跳转未实现，10B7A01B=PBVM115.10B7A01B
10B795F6 8B8D 7CFFFFFF mov ecx,dword ptr ss:[ebp-0x84]
10B795FC 0FB691 7FA0B710 movzx edx,byte ptr ds:[ecx+0x10B7A07F]
10B79603 FF2495 1FA0B710 jmp dword ptr ds:[edx*4+0x10B7A01F]
10B7960A 8B45 10 mov eax,dword ptr ss:[ebp+0x10]
10B7960D 50 push eax
10B7960E 8B4D 0C mov ecx,dword ptr ss:[ebp+0xC]
10B79611 51 push ecx
10B79612 8B55 08 mov edx,dword ptr ss:[ebp+0x8]
10B79615 52 push edx
10B79616 E8 950A0000 call PBVM115.10B7A0B0
10B7961B 83C4 0C add esp,0xC
10B7961E E9 F8090000 jmp PBVM115.10B7A01B
10B79623 8B45 10 mov eax,dword ptr ss:[ebp+0x10]
10B79626 50 push eax
10B79627 8B4D 0C mov ecx,dword ptr ss:[ebp+0xC]
10B7962A 8B51 04 mov edx,dword ptr ds:[ecx+0x4]
10B7962D 52 push edx
10B7962E 8B45 08 mov eax,dword ptr ss:[ebp+0x8]
10B79631 8B48 04 mov ecx,dword ptr ds:[eax+0x4]
10B79634 51 push ecx
10B79635 E8 D6AD0A00 call PBVM115.ob_get_int_field
10B7963A 8B55 0C mov edx,dword ptr ss:[ebp+0xC]
10B7963D 8B8A D0000000 mov ecx,dword ptr ds:[edx+0xD0]
10B79643 8941 38 mov dword ptr ds:[ecx+0x38],eax
10B79646 8B55 0C mov edx,dword ptr ss:[ebp+0xC]
10B79649 8B82 D0000000 mov eax,dword ptr ds:[edx+0xD0]
10B7964F 8378 38 00 cmp dword ptr ds:[eax+0x38],0x0
10B79653 74 2A je short PBVM115.10B7967F
10B79655 8B4D 0C mov ecx,dword ptr ss:[ebp+0xC]
10B79658 8B51 18 mov edx,dword ptr ds:[ecx+0x18]
10B7965B 52 push edx
10B7965C E8 47A91C00 call <jmp.&PBSHR115.#324>
10B79661 6A 00 push 0x0
10B79663 6A 00 push 0x0
10B79665 8B45 0C mov eax,dword ptr ss:[ebp+0xC]
10B79668 8B48 18 mov ecx,dword ptr ds:[eax+0x18]
10B7966B 51 push ecx
10B7966C FF15 8432D610 call dword ptr ds:[<&USER32.InvalidateRe>; user32.InvalidateRect
10B79672 8B55 0C mov edx,dword ptr ss:[ebp+0xC]
10B79675 8B42 18 mov eax,dword ptr ds:[edx+0x18]
10B79678 50 push eax
10B79679 FF15 CC32D610 call dword ptr ds:[<&USER32.UpdateWindow>; user32.UpdateWindow
10B7967F E9 97090000 jmp PBVM115.10B7A01B
10B79684 8B4D 0C mov ecx,dword ptr ss:[ebp+0xC]
10B79687 8B91 D4000000 mov edx,dword ptr ds:[ecx+0xD4]
10B7968D 0FB742 44 movzx eax,word ptr ds:[edx+0x44]
10B79691 83F8 05 cmp eax,0x5
10B79694 74 14 je short PBVM115.10B796AA
10B79696 8B4D 10 mov ecx,dword ptr ss:[ebp+0x10]
10B79699 51 push ecx
10B7969A 8B55 0C mov edx,dword ptr ss:[ebp+0xC]
10B7969D 52 push edx
10B7969E 8B45 08 mov eax,dword ptr ss:[ebp+0x8]
10B796A1 50 push eax
10B796A2 E8 B945FFFF call PBVM115.10B6DC60
10B796A7 83C4 0C add esp,0xC
10B796AA E9 6C090000 jmp PBVM115.10B7A01B
10B796AF 8B4D 10 mov ecx,dword ptr ss:[ebp+0x10]
10B796B2 51 push ecx
10B796B3 8B55 0C mov edx,dword ptr ss:[ebp+0xC]
10B796B6 52 push edx
10B796B7 8B45 08 mov eax,dword ptr ss:[ebp+0x8]
10B796BA 50 push eax
10B796BB E8 C043FFFF call PBVM115.10B6DA80
10B796C0 83C4 0C add esp,0xC
10B796C3 E9 53090000 jmp PBVM115.10B7A01B
10B796C8 8B4D 0C mov ecx,dword ptr ss:[ebp+0xC]
10B796CB 51 push ecx
10B796CC 8B55 08 mov edx,dword ptr ss:[ebp+0x8]
10B796CF 52 push edx
10B796D0 E8 DB56FFFF call PBVM115.10B6EDB0
10B796D5 83C4 08 add esp,0x8
10B796D8 E9 3E090000 jmp PBVM115.10B7A01B
10B796DD 8B45 0C mov eax,dword ptr ss:[ebp+0xC]
10B796E0 8B88 D4000000 mov ecx,dword ptr ds:[eax+0xD4]
10B796E6 0FB751 44 movzx edx,word ptr ds:[ecx+0x44]
10B796EA 83FA 04 cmp edx,0x4
10B796ED 75 19 jnz short PBVM115.10B79708
10B796EF 8B45 10 mov eax,dword ptr ss:[ebp+0x10]
10B796F2 50 push eax
10B796F3 8B4D 0C mov ecx,dword ptr ss:[ebp+0xC]
10B796F6 8B51 04 mov edx,dword ptr ds:[ecx+0x4]
10B796F9 52 push edx
10B796FA 8B45 08 mov eax,dword ptr ss:[ebp+0x8]
10B796FD 50 push eax
10B796FE E8 4DA6FFFF call PBVM115.10B73D50
10B79703 83C4 0C add esp,0xC
10B79706 EB 4E jmp short PBVM115.10B79756
10B79708 8B4D 10 mov ecx,dword ptr ss:[ebp+0x10]
10B7970B 51 push ecx
10B7970C 8B55 0C mov edx,dword ptr ss:[ebp+0xC]
10B7970F 8B42 04 mov eax,dword ptr ds:[edx+0x4]
10B79712 50 push eax
10B79713 8B4D 08 mov ecx,dword ptr ss:[ebp+0x8]
10B79716 8B51 04 mov edx,dword ptr ds:[ecx+0x4]
10B79719 52 push edx
10B7971A E8 F1AC0A00 call PBVM115.ob_get_int_field
10B7971F 85C0 test eax,eax
10B79721 74 1C je short PBVM115.10B7973F
10B79723 68 00001000 push 0x100000
10B79728 68 00001000 push 0x100000
10B7972D 8B45 0C mov eax,dword ptr ss:[ebp+0xC]
10B79730 50 push eax
10B79731 8B4D 08 mov ecx,dword ptr ss:[ebp+0x8]
10B79734 51 push ecx
10B79735 E8 069AFFFF call PBVM115.10B73140
10B7973A 83C4 10 add esp,0x10
10B7973D EB 17 jmp short PBVM115.10B79756
10B7973F 68 00001000 push 0x100000
10B79744 6A 00 push 0x0
10B79746 8B55 0C mov edx,dword ptr ss:[ebp+0xC]
10B79749 52 push edx
10B7974A 8B45 08 mov eax,dword ptr ss:[ebp+0x8]
10B7974D 50 push eax
10B7974E E8 ED99FFFF call PBVM115.10B73140
10B79753 83C4 10 add esp,0x10
10B79756 E9 C0080000 jmp PBVM115.10B7A01B
10B7975B 8B4D 0C mov ecx,dword ptr ss:[ebp+0xC]
10B7975E 8B91 D4000000 mov edx,dword ptr ds:[ecx+0xD4]
10B79764 0FB742 44 movzx eax,word ptr ds:[edx+0x44]
10B79768 83F8 04 cmp eax,0x4
10B7976B 75 19 jnz short PBVM115.10B79786
10B7976D 8B4D 10 mov ecx,dword ptr ss:[ebp+0x10]
10B79770 51 push ecx
10B79771 8B55 0C mov edx,dword ptr ss:[ebp+0xC]
10B79774 8B42 04 mov eax,dword ptr ds:[edx+0x4]
10B79777 50 push eax
10B79778 8B4D 08 mov ecx,dword ptr ss:[ebp+0x8]
10B7977B 51 push ecx
10B7977C E8 CFA5FFFF call PBVM115.10B73D50
10B79781 83C4 0C add esp,0xC
10B79784 EB 4E jmp short PBVM115.10B797D4
10B79786 8B55 10 mov edx,dword ptr ss:[ebp+0x10]
10B79789 52 push edx
10B7978A 8B45 0C mov eax,dword ptr ss:[ebp+0xC]
10B7978D 8B48 04 mov ecx,dword ptr ds:[eax+0x4]
10B79790 51 push ecx
10B79791 8B55 08 mov edx,dword ptr ss:[ebp+0x8]
10B79794 8B42 04 mov eax,dword ptr ds:[edx+0x4]
10B79797 50 push eax
10B79798 E8 73AC0A00 call PBVM115.ob_get_int_field
10B7979D 85C0 test eax,eax
10B7979F 74 1C je short PBVM115.10B797BD
10B797A1 68 00002000 push 0x200000
10B797A6 68 00002000 push 0x200000
10B797AB 8B4D 0C mov ecx,dword ptr ss:[ebp+0xC]
10B797AE 51 push ecx
10B797AF 8B55 08 mov edx,dword ptr ss:[ebp+0x8]
10B797B2 52 push edx
10B797B3 E8 8899FFFF call PBVM115.10B73140
10B797B8 83C4 10 add esp,0x10
10B797BB EB 17 jmp short PBVM115.10B797D4
10B797BD 68 00002000 push 0x200000
10B797C2 6A 00 push 0x0
10B797C4 8B45 0C mov eax,dword ptr ss:[ebp+0xC]
10B797C7 50 push eax
10B797C8 8B4D 08 mov ecx,dword ptr ss:[ebp+0x8]
10B797CB 51 push ecx
10B797CC E8 6F99FFFF call PBVM115.10B73140
10B797D1 83C4 10 add esp,0x10
10B797D4 E9 42080000 jmp PBVM115.10B7A01B
10B797D9 8B55 10 mov edx,dword ptr ss:[ebp+0x10]
10B797DC 52 push edx
10B797DD 8B45 0C mov eax,dword ptr ss:[ebp+0xC]
10B797E0 50 push eax
10B797E1 8B4D 08 mov ecx,dword ptr ss:[ebp+0x8]
10B797E4 8B51 04 mov edx,dword ptr ds:[ecx+0x4]
10B797E7 52 push edx
10B797E8 E8 A34EFFFF call PBVM115.10B6E690 ; THIS
10B797ED 83C4 0C add esp,0xC
10B795B0 55 push ebp
10B795B1 8BEC mov ebp,esp
10B795B3 81EC 88000000 sub esp,0x88
10B795B9 8B45 0C mov eax,dword ptr ss:[ebp+0xC]
10B795BC 8B88 E0000000 mov ecx,dword ptr ds:[eax+0xE0]
10B795C2 8B51 52 mov edx,dword ptr ds:[ecx+0x52]
10B795C5 8955 B4 mov dword ptr ss:[ebp-0x4C],edx
10B795C8 8B45 0C mov eax,dword ptr ss:[ebp+0xC]
10B795CB 8B48 18 mov ecx,dword ptr ds:[eax+0x18]
10B795CE 894D E4 mov dword ptr ss:[ebp-0x1C],ecx
10B795D1 8B55 10 mov edx,dword ptr ss:[ebp+0x10]
10B795D4 8995 7CFFFFFF mov dword ptr ss:[ebp-0x84],edx
10B795DA 8B85 7CFFFFFF mov eax,dword ptr ss:[ebp-0x84]
10B795E0 83E8 02 sub eax,0x2
10B795E3 8985 7CFFFFFF mov dword ptr ss:[ebp-0x84],eax
10B795E9 83BD 7CFFFFFF 2>cmp dword ptr ss:[ebp-0x84],0x2B
10B795F0 0F87 250A0000 ja PBVM115.10B7A01B ; 跳转未实现，10B7A01B=PBVM115.10B7A01B
10B795F6 8B8D 7CFFFFFF mov ecx,dword ptr ss:[ebp-0x84]
10B795FC 0FB691 7FA0B710 movzx edx,byte ptr ds:[ecx+0x10B7A07F]
10B79603 FF2495 1FA0B710 jmp dword ptr ds:[edx*4+0x10B7A01F]
10B7960A 8B45 10 mov eax,dword ptr ss:[ebp+0x10]
10B7960D 50 push eax
10B7960E 8B4D 0C mov ecx,dword ptr ss:[ebp+0xC]
10B79611 51 push ecx
10B79612 8B55 08 mov edx,dword ptr ss:[ebp+0x8]
10B79615 52 push edx
10B79616 E8 950A0000 call PBVM115.10B7A0B0
10B7961B 83C4 0C add esp,0xC
10B7961E E9 F8090000 jmp PBVM115.10B7A01B
10B79623 8B45 10 mov eax,dword ptr ss:[ebp+0x10]
10B79626 50 push eax
10B79627 8B4D 0C mov ecx,dword ptr ss:[ebp+0xC]
10B7962A 8B51 04 mov edx,dword ptr ds:[ecx+0x4]
10B7962D 52 push edx
10B7962E 8B45 08 mov eax,dword ptr ss:[ebp+0x8]
10B79631 8B48 04 mov ecx,dword ptr ds:[eax+0x4]
10B79634 51 push ecx
10B79635 E8 D6AD0A00 call PBVM115.ob_get_int_field
10B7963A 8B55 0C mov edx,dword ptr ss:[ebp+0xC]
10B7963D 8B8A D0000000 mov ecx,dword ptr ds:[edx+0xD0]
10B79643 8941 38 mov dword ptr ds:[ecx+0x38],eax
10B79646 8B55 0C mov edx,dword ptr ss:[ebp+0xC]
10B79649 8B82 D0000000 mov eax,dword ptr ds:[edx+0xD0]
10B7964F 8378 38 00 cmp dword ptr ds:[eax+0x38],0x0
10B79653 74 2A je short PBVM115.10B7967F
10B79655 8B4D 0C mov ecx,dword ptr ss:[ebp+0xC]
10B79658 8B51 18 mov edx,dword ptr ds:[ecx+0x18]
10B7965B 52 push edx
10B7965C E8 47A91C00 call <jmp.&PBSHR115.#324>
10B79661 6A 00 push 0x0
10B79663 6A 00 push 0x0
10B79665 8B45 0C mov eax,dword ptr ss:[ebp+0xC]
10B79668 8B48 18 mov ecx,dword ptr ds:[eax+0x18]
10B7966B 51 push ecx
10B7966C FF15 8432D610 call dword ptr ds:[<&USER32.InvalidateRe>; user32.InvalidateRect
10B79672 8B55 0C mov edx,dword ptr ss:[ebp+0xC]
10B79675 8B42 18 mov eax,dword ptr ds:[edx+0x18]
10B79678 50 push eax
10B79679 FF15 CC32D610 call dword ptr ds:[<&USER32.UpdateWindow>; user32.UpdateWindow
10B7967F E9 97090000 jmp PBVM115.10B7A01B
10B79684 8B4D 0C mov ecx,dword ptr ss:[ebp+0xC]
10B79687 8B91 D4000000 mov edx,dword ptr ds:[ecx+0xD4]
10B7968D 0FB742 44 movzx eax,word ptr ds:[edx+0x44]
10B79691 83F8 05 cmp eax,0x5
10B79694 74 14 je short PBVM115.10B796AA
10B79696 8B4D 10 mov ecx,dword ptr ss:[ebp+0x10]
10B79699 51 push ecx
10B7969A 8B55 0C mov edx,dword ptr ss:[ebp+0xC]
10B7969D 52 push edx
10B7969E 8B45 08 mov eax,dword ptr ss:[ebp+0x8]
10B796A1 50 push eax
10B796A2 E8 B945FFFF call PBVM115.10B6DC60
10B796A7 83C4 0C add esp,0xC
10B796AA E9 6C090000 jmp PBVM115.10B7A01B
10B796AF 8B4D 10 mov ecx,dword ptr ss:[ebp+0x10]
10B796B2 51 push ecx
10B796B3 8B55 0C mov edx,dword ptr ss:[ebp+0xC]
10B796B6 52 push edx
10B796B7 8B45 08 mov eax,dword ptr ss:[ebp+0x8]
10B796BA 50 push eax
10B796BB E8 C043FFFF call PBVM115.10B6DA80
10B796C0 83C4 0C add esp,0xC
10B796C3 E9 53090000 jmp PBVM115.10B7A01B
10B796C8 8B4D 0C mov ecx,dword ptr ss:[ebp+0xC]
10B796CB 51 push ecx
10B796CC 8B55 08 mov edx,dword ptr ss:[ebp+0x8]
10B796CF 52 push edx
10B796D0 E8 DB56FFFF call PBVM115.10B6EDB0
10B796D5 83C4 08 add esp,0x8
10B796D8 E9 3E090000 jmp PBVM115.10B7A01B
10B796DD 8B45 0C mov eax,dword ptr ss:[ebp+0xC]
10B796E0 8B88 D4000000 mov ecx,dword ptr ds:[eax+0xD4]
10B796E6 0FB751 44 movzx edx,word ptr ds:[ecx+0x44]
10B796EA 83FA 04 cmp edx,0x4
10B796ED 75 19 jnz short PBVM115.10B79708
10B796EF 8B45 10 mov eax,dword ptr ss:[ebp+0x10]
10B796F2 50 push eax
10B796F3 8B4D 0C mov ecx,dword ptr ss:[ebp+0xC]
10B796F6 8B51 04 mov edx,dword ptr ds:[ecx+0x4]
10B796F9 52 push edx
10B796FA 8B45 08 mov eax,dword ptr ss:[ebp+0x8]
10B796FD 50 push eax
10B796FE E8 4DA6FFFF call PBVM115.10B73D50
10B79703 83C4 0C add esp,0xC
10B79706 EB 4E jmp short PBVM115.10B79756
10B79708 8B4D 10 mov ecx,dword ptr ss:[ebp+0x10]
10B7970B 51 push ecx
10B7970C 8B55 0C mov edx,dword ptr ss:[ebp+0xC]
10B7970F 8B42 04 mov eax,dword ptr ds:[edx+0x4]
10B79712 50 push eax
10B79713 8B4D 08 mov ecx,dword ptr ss:[ebp+0x8]
10B79716 8B51 04 mov edx,dword ptr ds:[ecx+0x4]
10B79719 52 push edx
10B7971A E8 F1AC0A00 call PBVM115.ob_get_int_field
10B7971F 85C0 test eax,eax
10B79721 74 1C je short PBVM115.10B7973F
10B79723 68 00001000 push 0x100000
10B79728 68 00001000 push 0x100000
10B7972D 8B45 0C mov eax,dword ptr ss:[ebp+0xC]
10B79730 50 push eax
10B79731 8B4D 08 mov ecx,dword ptr ss:[ebp+0x8]
10B79734 51 push ecx
10B79735 E8 069AFFFF call PBVM115.10B73140
10B7973A 83C4 10 add esp,0x10
10B7973D EB 17 jmp short PBVM115.10B79756
10B7973F 68 00001000 push 0x100000
10B79744 6A 00 push 0x0
10B79746 8B55 0C mov edx,dword ptr ss:[ebp+0xC]
10B79749 52 push edx
10B7974A 8B45 08 mov eax,dword ptr ss:[ebp+0x8]
10B7974D 50 push eax
10B7974E E8 ED99FFFF call PBVM115.10B73140
10B79753 83C4 10 add esp,0x10
10B79756 E9 C0080000 jmp PBVM115.10B7A01B
10B7975B 8B4D 0C mov ecx,dword ptr ss:[ebp+0xC]
10B7975E 8B91 D4000000 mov edx,dword ptr ds:[ecx+0xD4]
10B79764 0FB742 44 movzx eax,word ptr ds:[edx+0x44]
10B79768 83F8 04 cmp eax,0x4
10B7976B 75 19 jnz short PBVM115.10B79786
10B7976D 8B4D 10 mov ecx,dword ptr ss:[ebp+0x10]
10B79770 51 push ecx
10B79771 8B55 0C mov edx,dword ptr ss:[ebp+0xC]
10B79774 8B42 04 mov eax,dword ptr ds:[edx+0x4]
10B79777 50 push eax
10B79778 8B4D 08 mov ecx,dword ptr ss:[ebp+0x8]
10B7977B 51 push ecx
10B7977C E8 CFA5FFFF call PBVM115.10B73D50
10B79781 83C4 0C add esp,0xC
10B79784 EB 4E jmp short PBVM115.10B797D4
10B79786 8B55 10 mov edx,dword ptr ss:[ebp+0x10]
10B79789 52 push edx
10B7978A 8B45 0C mov eax,dword ptr ss:[ebp+0xC]
10B7978D 8B48 04 mov ecx,dword ptr ds:[eax+0x4]
10B79790 51 push ecx
10B79791 8B55 08 mov edx,dword ptr ss:[ebp+0x8]
10B79794 8B42 04 mov eax,dword ptr ds:[edx+0x4]
10B79797 50 push eax
10B79798 E8 73AC0A00 call PBVM115.ob_get_int_field
10B7979D 85C0 test eax,eax
10B7979F 74 1C je short PBVM115.10B797BD
10B797A1 68 00002000 push 0x200000
10B797A6 68 00002000 push 0x200000
10B797AB 8B4D 0C mov ecx,dword ptr ss:[ebp+0xC]
10B797AE 51 push ecx
10B797AF 8B55 08 mov edx,dword ptr ss:[ebp+0x8]
10B797B2 52 push edx
10B797B3 E8 8899FFFF call PBVM115.10B73140
10B797B8 83C4 10 add esp,0x10
10B797BB EB 17 jmp short PBVM115.10B797D4
10B797BD 68 00002000 push 0x200000
10B797C2 6A 00 push 0x0
10B797C4 8B45 0C mov eax,dword ptr ss:[ebp+0xC]
10B797C7 50 push eax
10B797C8 8B4D 08 mov ecx,dword ptr ss:[ebp+0x8]
10B797CB 51 push ecx
10B797CC E8 6F99FFFF call PBVM115.10B73140
10B797D1 83C4 10 add esp,0x10
10B797D4 E9 42080000 jmp PBVM115.10B7A01B
10B797D9 8B55 10 mov edx,dword ptr ss:[ebp+0x10]
10B797DC 52 push edx
10B797DD 8B45 0C mov eax,dword ptr ss:[ebp+0xC]
10B797E0 50 push eax
10B797E1 8B4D 08 mov ecx,dword ptr ss:[ebp+0x8]
10B797E4 8B51 04 mov edx,dword ptr ds:[ecx+0x4]
10B797E7 52 push edx
10B797E8 E8 A34EFFFF call PBVM115.10B6E690 ; THIS
10B797ED 83C4 0C add esp,0xC