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| | Important software update today. I have updated my compiler toolchain to support relocatable objects. Even though today's version does not bring many improvements in code generation, I consider it very important and getting me much closer to my goal of running "real software" on BYTEC/16. Until now, I only had a retargeted LCC compiler, which ...read more
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| | Technical and Personal Blog
| | 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.