zpekic

MicroCodeCompiler

https://hackaday.io/project/172073-microcoding-for-fpgas

tinycomputer

Tiny 4-bit CPU using AMD2901 bit slice (https://github.com/Amrnasr/AM2901) and program memory initialized from a file

Sys0800

VHDL implementation of vintage TMS0800 calculator chip

sys9080

Simple system built around VHDL implementation of Am9080 8-bit CPU based on 29XX bit-slice series of devices, as described here: https://en.wikichip.org/w/images/7/76/An_Emulation_of_the_Am9080A.pdf

Sys_cas

FPGA-based casette interface

Sys_180X

Simple computer using CDP1802 compatible core written using the "mcc" Micro-code compiler (also on my github)

am9511

Spin object to drive Am9511 vintage floating point co-processor, plus test / demo / sample object

Hex_IO

Memory import/export using Intel HEX format without embedded processor

opencores-am9080

Imported from opencores.org

sys_primegen

Signed / unsigned multiplier / divider used by a microcode-driven prime number generator

Sys_TIM-011

Various circuits to support the TIM-011 recreation project

alarmclock

12hr/24hr alarm clock with display dimming showcasing Mercury+Baseboard hardware (http://www.micro-nova.com/)

opencores-muldiv

Imported from opencores.org

sys_sbc8816

Switch based computer

TMS9918A-SpinDemo

Spin object to drive TMS9918A (or compatible, such as F18A) Video Display Processor (also here: http://obex.parallax.com/object/864 )

sys_dbg8085

Custom machine cycle tracing of 8085-based SBC (single board computer)

sys_emz1001

FPGA recreation of Iskra EMZ1001 4-bit microcontroller

sys_sbc8085

Various experiments with MiniMax 8085 single board computer

HashSet_vs_Switch

sys_sifp

Simple computer to illustrate "Single Instruction Format Processor"

Sys_TM1638

Driver component for MT1638 based boards (LEDs + keys)