2018-04-21

[public] 208K views, 8.29K likes, 39.0 dislikes audio only

Ben Eater

In this video we program the microcode of the 8-bit breadboard computer so that it supports two conditional jump instructions: JC (jump carry) and JZ (jump zero). We also test out these new instructions and write several programs using them.

Code from this video: https://github.com/beneater/eeprom-programmer

Matthew's Patreon post with clever self-modifying code: https://www.patreon.com/posts/how-to-make-16240529

Intel x86 developers guide (4800 pages! CMP instruction is on p.726): https://software.intel.com/sites/default/files/managed/39/c5/325462-sdm-vol-1-2abcd-3abcd.pdf#page=726

More 8-bit computer: https://eater.net/8bit

Support me on Patreon: https://www.patreon.com/beneater

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