Danganronpa: Trigger Happy Havoc/Disassembly: Difference between revisions

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== Disassembly ==
This is a community page for the disassembly of Trigger Happy Havoc, to assist in community projects.
This is a community page for the disassembly of Trigger Happy Havoc, to assist in community projects.
All addresses are calculated with an image base of 0, in hexadecimal.
All addresses are calculated with an image base of 0, in hexadecimal.


== DR1_us.exe ==
=== Variables ===
=== Variables ===


Line 13: Line 13:
!Purpose
!Purpose
!Notes
!Notes
|-
|002a2588
|GlobalSecurityCookie
|int
|Used to detect buffer overflows
|Initialised in [https://docs.microsoft.com/en-us/cpp/c-runtime-library/reference/security-init-cookie __security_init_cookie]
|-
|-
|00359e74
|00359e74
|IsDirect3DLoaded
|Direct3DInit
|boolean
|[[Danganronpa: Trigger Happy Havoc/Disassembly/Direct3DInit|Direct3DInit]]
|Has Direct3D been set up yet
|Structure containing information for Direct3D initialisation
|Pointer returned by 00120080, checked in 001193a0; seems to actually contain some extra data, will update soon
|Pointer returned by 00120080, checked in 001193a0; seems to actually contain some extra data, will update soon
|}
|}
Line 54: Line 48:
|Returns a pointer to 00359e74
|Returns a pointer to 00359e74
|Checked in 001193a0
|Checked in 001193a0
|}
== Artefacts ==
These are functions and variables related to internal functionality, and aren't likely to be relevant or important, but are noted for the sake of completion and sanity.
=== Variables ===
{| class="wikitable"
!colspan="5"|Variables
|-
!Offset
!Name
!Data Type
!Purpose
!Notes
|-
|002a2588
|GlobalSecurityCookie
|int
|Used to detect buffer overflows
|Initialised in [https://docs.microsoft.com/en-us/cpp/c-runtime-library/reference/security-init-cookie __security_init_cookie]
|}
=== Functions ===
{| class="wikitable"
!colspan="7"|Functions
|-
|-
|001c6ff4
|001c6ff4

Revision as of 11:14, 16 July 2022

This is a community page for the disassembly of Trigger Happy Havoc, to assist in community projects. All addresses are calculated with an image base of 0, in hexadecimal.

DR1_us.exe

Variables

Variables
Offset Name Data Type Purpose Notes
00359e74 Direct3DInit Direct3DInit Structure containing information for Direct3D initialisation Pointer returned by 00120080, checked in 001193a0; seems to actually contain some extra data, will update soon

Functions

Functions
Offset Name Calling Type Arguments Return Type Purpose Notes
001193a0 CheckAndLoadDirect3D int* Loads Direct3D if it hasn't been loaded yet
00120080 GetIsDirect3DLoadedPtr int* Returns a pointer to 00359e74 Checked in 001193a0

Artefacts

These are functions and variables related to internal functionality, and aren't likely to be relevant or important, but are noted for the sake of completion and sanity.

Variables

Variables
Offset Name Data Type Purpose Notes
002a2588 GlobalSecurityCookie int Used to detect buffer overflows Initialised in __security_init_cookie

Functions

Functions
001c6ff4 CheckSecurityCookie __fastcall int cookieValue Checks the provided cookie value against the Global Security Cookie, and exits if it doesn't match
001c7f10 memset void * ptr, int value, size_t num void* Sets the first num bytes of the block of memory pointed by ptr to the specified value (interpreted as an unsigned char).
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