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Decoding the NEC V20 Microcode

martypc.blogspot.com · published 3 September 2026

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8086 microcode disassembled Read at the source ↗

reenigne.org

https://siliconpr0n.org/archive/doku.php?id=infosecdj:start

siliconpr0n.org

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blogger.googleusercontent.com

https://siliconprawn.org/archive/doku.php?id=infosecdj:sharp:lh70108

siliconprawn.org

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEju3ADkFecZhBzaXdqHjemHDL7SlBor4Qn2SwBvAZCn1TOpAHlvp7vr8AAOD4zNxYCzgNVs_VmpogV3epg6zpia0bMDQw9ya_8QjnPCVX_zcV5AoKeUgffI94NVCxoZvT7AUDdVkpSqF2UkdxMgw_goisD4b4p8K2d9QwnNrH6sgXV4omkJ-FYlm6cR6-Xd/s14260/microcode_crop_01.jpg

blogger.googleusercontent.com

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blogger.googleusercontent.com

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blogger.googleusercontent.com

https://github.com/travisgoodspeed/maskromtool

github.com

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blogger.googleusercontent.com

https://en.wikipedia.org/wiki/Convolutional_neural_network

en.wikipedia.org

https://pytorch.org/

pytorch.org

https://www.datacamp.com/tutorial/pytorch-cnn-tutorial

datacamp.com

https://www.youtube.com/watch?v=ACmydtFDTGs

youtube.com

https://blogger.googleusercontent.com/img/a/AVvXsEhHLxW_10w9ZbdS7VSOAVfE6tdXh-_W2faARG5BcfTWXQjzSqQwB438e8xXtBfNscsPCJ34MYlD1kN-rYYuha7JUFgo9zDXWHWgp1cUugpZajiwJpa9rQaqeWzf8iJ0XC39XUqHH6BuVI_HiJVPt_AiM55PE8j7hBI8wA6Pid3PAXMfHHYbNpbI_GFpOQuB

blogger.googleusercontent.com

https://en.wikipedia.org/wiki/Inference_engine

en.wikipedia.org

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgcouDFS9JK1G-J6Wy2R07Hcaje59TekmxTRDU-UiENxiRM1d5K1RxQtEUVstu3Vz4GnygOFE-Km3vuqw5IKPHWJhBrxQ3-EdLN5XQnjZGRpJBDsVSaP3CDTfnIuqlNkVTQsI5ZvhZ20kypZiim2twOm3aQD5hDgyWoRzv3psg6xj17X6vvt1wJ875IErjF/s1032/first_inference_01.png

blogger.googleusercontent.com

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blogger.googleusercontent.com

https://en.wikipedia.org/wiki/Programmable_logic_array

en.wikipedia.org

https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjPYJmZC1_Iz9ptWQ9svTgW48tUWliJN1ooGaRd2bT9G2rPExAzZXMpelN5eeHrWb2878TUbOla1nNU1GSR2M4wmfjhPTvSmvlE7WvYs-Zbu62QwQYVQBpqZcrldgNtP6CLY444C_fkXM8oy55zMOkk4ilW8-6-x7Pr-lplMRnHqh-UEDcjycITGyuCC2tH/s703/decoder_annotated_01.jpg

blogger.googleusercontent.com

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blogger.googleusercontent.com

https://dev-zzo.github.io/blarg/2025/10/06/nec-v20-pla.html

dev-zzo.github.io

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blogger.googleusercontent.com

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blogger.googleusercontent.com

https://thechipletter.substack.com/p/intel-vs-nec-the-case-of-the-v20s

thechipletter.substack.com

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blogger.googleusercontent.com

80386 microcode disassembled Read at the source ↗

reenigne.org

https://forum.vcfed.org/index.php?threads/the-nec-v20-microcode-rom.1254770/

forum.vcfed.org

https://forum.vcfed.org/index.php?threads/8088-8086-microcode-disassembly.77933/page-2

forum.vcfed.org

The Group Decode ROM: The 8086 processor's first step of instruction decoding Read at the source ↗

righto.com

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blogger.googleusercontent.com

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blogger.googleusercontent.com

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blogger.googleusercontent.com

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blogger.googleusercontent.com

https://github.com/SingleStepTests/v20

github.com

https://github.com/dbalsom/x86_microcode/tree/main/v20

github.com