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1. Sys0800 Sys0800 Public

   VHDL implementation of vintage TMS0800 calculator chip

   VHDL 6 3

2. sys9080 sys9080 Public

   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

   VHDL 6 1

3. MicroCodeCompiler MicroCodeCompiler Public

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

   C# 13

4. sys_emz1001 sys_emz1001 Public

   FPGA recreation of Iskra EMZ1001 4-bit microcontroller

   VHDL 4

5. sys_sbc8816 sys_sbc8816 Public

   Switch based computer

   VHDL 4

6. Sys_MicroBasic Sys_MicroBasic Public

   TinyBasic interpreted by custom microcoded CPU

   VHDL 2