https://wiki.cheatengine.org/index.php?action=history&feed=atom&title=Help_File%3ABig_endian_4_byte Help File:Big endian 4 byte - Revision history 2026-04-05T08:30:05Z Revision history for this page on the wiki MediaWiki 1.32.0 https://wiki.cheatengine.org/index.php?title=Help_File:Big_endian_4_byte&diff=3937&oldid=prev TheyCallMeTim13 at 12:02, 19 March 2017 2017-03-19T12:02:24Z <p></p> <table class="diff diff-contentalign-left" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #222; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 12:02, 19 March 2017</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l1" >Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[Category:Help]]</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>This script will add the 2 byte Big Endian type support to cheat engine.</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>This script will add the 2 byte Big Endian type support to cheat engine.</div></td></tr> <tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td></tr> </table> TheyCallMeTim13 https://wiki.cheatengine.org/index.php?title=Help_File:Big_endian_4_byte&diff=2926&oldid=prev TheyCallMeTim13 at 08:07, 10 March 2017 2017-03-10T08:07:57Z <p></p> <a href="https://wiki.cheatengine.org/index.php?title=Help_File:Big_endian_4_byte&amp;diff=2926&amp;oldid=2624">Show changes</a> TheyCallMeTim13 https://wiki.cheatengine.org/index.php?title=Help_File:Big_endian_4_byte&diff=2624&oldid=prev Dark Byte: Created page with '<hr><div align="left"><font face="Arial" color="#010101" class="Arial2"> alloc(TypeName,256)</font></div><div align="left"><font face="Arial" color="#010101" class="Arial2"> …' 2016-09-19T18:58:40Z <p>Created page with &#039;&lt;hr&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt; alloc(TypeName,256)&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt; …&#039;</p> <p><b>New page</b></p><div>&lt;hr&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> alloc(TypeName,256)&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> alloc(ByteSize,4)&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> alloc(ConvertRoutine,1024)&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> alloc(ConvertBackRoutine,1024)&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;&lt;br&gt;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> TypeName:&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> db '4 Byte Big Endian',0&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;&lt;br&gt;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> ByteSize:&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> dd 4&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;&lt;br&gt;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> //The convert routine should hold a routine that converts the data to an integer (in eax)&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> //function declared as: stdcall int ConvertRoutine(unsigned char *input);&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> //Note: Keep in mind that this routine can be called by multiple threads at the same time.&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> ConvertRoutine:&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> //jmp dllname.functionname&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> [64-bit]&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> //or manual:&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> //parameters: (64-bit)&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> //rcx=address of input&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> xor eax,eax&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> mov eax,[rcx] //eax now contains the bytes 'input' pointed to&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> bswap eax //convert to big endian&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;&lt;br&gt;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> ret&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> [/64-bit]&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;&lt;br&gt;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> [32-bit]&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> //jmp dllname.functionname&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> //or manual:&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> //parameters: (32-bit)&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> push ebp&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> mov ebp,esp&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> //[ebp+8]=input&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> //example:&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> mov eax,[ebp+8] //place the address that contains the bytes into eax&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> mov eax,[eax] //place the bytes into eax so it's handled as a normal 4 byte value&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;&lt;br&gt;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> bswap eax&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;&lt;br&gt;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> pop ebp&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> ret 4&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> [/32-bit]&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;&lt;br&gt;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> //The convert back routine should hold a routine that converts the given integer back to a row of <br /> bytes (e.g when the user wats to write a new value)&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> //function declared as: stdcall void ConvertBackRoutine(int i, unsigned char *output);&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> ConvertBackRoutine:&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> //jmp dllname.functionname&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> //or manual:&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> [64-bit]&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> //parameters: (64-bit)&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> //ecx=input&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> //rdx=address of output&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> //example:&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> bswap ecx //convert the little endian input into a big endian input&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> mov [rdx],ecx //place the integer the 4 bytes pointed to by rdx&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;&lt;br&gt;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> ret&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> [/64-bit]&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;&lt;br&gt;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> [32-bit]&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> //parameters: (32-bit)&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> push ebp&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> mov ebp,esp&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> //[ebp+8]=input&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> //[ebp+c]=address of output&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> //example:&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> push eax&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> push ebx&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> mov eax,[ebp+8] //load the value into eax&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> mov ebx,[ebp+c] //load the address into ebx&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;&lt;br&gt;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> //convert the value to big endian&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> bswap eax&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;&lt;br&gt;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> mov [ebx],eax //write the value into the address&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> pop ebx&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> pop eax&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;&lt;br&gt;&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> pop ebp&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> ret 8&lt;/font&gt;&lt;/div&gt;&lt;div align=&quot;left&quot;&gt;&lt;font face=&quot;Arial&quot; color=&quot;#010101&quot; class=&quot;Arial2&quot;&gt;<br /> [/32-bit] &lt;/font&gt;&lt;/div&gt;</div> Dark Byte