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12-minute Mandelbrot: fractals on a 50 year old IBM 1401 mainframe
| | www.datagubbe.se
The Annotated Hacker Test | datagubbe.se
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| | [AI summary] The text presents a list of questions and topics often associated with the hacker community, covering programming languages, operating systems, networking, and personal habits. It highlights the stereotype of hackers being technically proficient, knowledgeable about various systems, and having certain eccentric behaviors. The tone is tongue-in-cheek and humorous, with a focus on the culture and lifestyle of hackers. The summary captures the essence of the questions and the overall theme of the text.
| | gpfault.net
Let's Learn x86-64 Assembly! Part 3 - Arithmetic and Logic
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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.
| | mcyoung.xyz
Understanding Assembly Part I: RISC-V ยท mcyoung
5.0 parsecs away

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| | [AI summary] The article provides an in-depth exploration of computer architecture and assembly language, focusing on the RISC-V Instruction Set Architecture (ISA). It covers fundamental concepts such as machine words, registers, and the role of assembly language as a human-readable representation of machine instructions. The text explains how programs are structured using instructions, labels, and directives, and categorizes instructions into arithmetic, memory, control flow, and miscellaneous types. It also delves into the calling convention, which defines how functions are called and how data is passed between them, and highlights the importance of maintaining the call stack illusion. The article further discusses the practical implications of these conce...
| | nicole.express
Apple II graphics: More than you wanted to know
29.5 parsecs away

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| The Apple ][ is one of the most iconic vintage computers of all time. But since Wozniak's monster lasted all the way until 1993 (1995 if you could the IIe ca...