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domipheus.com | ||
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bryananthonio.com
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| | | | | Sharing key insights on how computers work, from logic gates and binary arithmetic to assembly languages. | |
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jborza.com
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| | | | | Ive went through the first part of From Nand to Tetris course where I learnt to build a simple 16-bit computer called Hack from the digital building blocks (NAND gates). The course used its specific HDL (hardware definition language), which is a gentle way to shield a beginner from the ugliness of a real language, but to implement anything on a real FPGA board one needs to use VHDL or Verilog. | |
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danielmangum.com
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| | | | | It's a simple question really: how can you read and write to the same register in a single-cycle processor? If you have spent most of your life working with software, it is tempting to think of all events as happening sequentially. However, that sequential model that we have become so familiar with as software engineers is really an abstraction that hardware offers to us to help our simple brains reason about logic. | |
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jborza.com
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| | | 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. | ||
