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rnhart.net
| | nabeelvalley.co.za
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| | An introduction to bits, bytes, and binary file formats
| | cgmathprog.home.blog
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| | Emulators So... what is an emulator? Let's say you want to play an old game from the MS-DOS era. You have the DUKE3D.EXE file, you launch it and ...nothing happens. But why? Old systems had a different architecture from your PC. Loosely speaking, your PC doesn't recognize the program and refuses to execute it. You
| | adayinthelifeof.nl
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| | [AI summary] The article discusses the reverse engineering of the Commodore 64 game 'Eindeloos' (Endless), focusing on extracting its vast map data through memory analysis and understanding its 8-character block compression technique.
| | gpfault.net
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| [AI summary] The text provides an in-depth exploration of various x86-64 instruction set architectures, focusing on arithmetic operations (ADD, SUB, MUL, SMUL, DIV, SDIV), logical operations (AND, OR, XOR, NOT), and control flow instructions. It details the implementation of these instructions in the QBX virtual machine, emphasizing how they emulate real x86-64 instructions while managing the flags register and handling different operand sizes (8-bit and 16-bit). The text also discusses the nuances of flag handling, register operations, and macro-based code generation to streamline instruction implementation.