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multigesture.net | ||
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cgmathprog.home.blog
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 |
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tobiasvl.github.io
A high-level guide to making a CHIP-8 emulator. |
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jborza.com
CHIP-8 is one of the most popular target architectures for aspiring emulator writers. I'm planning to implement it in hardware, so I thought that writing a software emulator/interpreter would be enlightening. I was also looking for some practice before implementing CHIP-8 in hardware in Verilog :) CHIP-8 Virtual machine description: 64x32 pixel monochrome display 4K of 8-bit RAM 16 8-bit "variable" registers V0-VF I 16-bit address register Stack of 16-bit addresses for call/return 16-bit PC - program counter 8-bit delay timer (decremented at 60 Hz) until it reaches 0 8-bit sound timer (decremented at 60 Hz), beeps when it reaches 0 16- key keypad that sends scan codes 0x1-0xF Instruction set See https://en. |
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www.timdbg.com
[AI summary] This article provides an introduction to reading x86 assembly language, emphasizing its importance for understanding how programs operate at a fundamental level. It covers the basics of assembly syntax, common instructions, and practical tools for reading and analyzing assembly code. The author explains that while assembly is often viewed as complex, it's actually more approachable than many believe, especially for debugging and reverse engineering tasks. The article also highlights the differences between Intel and AT&T syntax, the structure of assembly instructions, and the role of registers and memory addressing in x86 architecture. |
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