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www.jmeiners.com
| | www.rodrigoaraujo.me
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| | Virtual Machines (VMs) are a magical thing: a computer being emulated inside a physical computer. Since this emulated computer isn't physical, we call it "virtual". Such a simple description for something so powerful. From a practical perspective, VMs allow users to safely run programs in an isolated environment: the emulated machine. Why build a Virtual Machine from scratch So, why build one when there are already so many great VMs out there?
| | 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.
| | www.andreinc.net
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| | Writing a simple VM for LC3 in less than 125 lines of C
| | satharus.me
15.4 parsecs away

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| Programs... Binaries... PE Files... ELF Files... What are those? If you've read about computers at some point or even just used them, you've probably come across the...