Always seeking to learn or achieve something new, I like to tinker both with software (C/C++/ASM) and hardware (MCUs, FPGAs).
This user joined on 08/11/2016.
Here an NXP LPC1114 Cortex M0 MCU emulates up to 5 GROM memories. The SD Processor board is also wired up, but just to provide bank switching for the cartridge ROM to support TI Extended Basic.
A simple Sinclair ZX Spectrum design running on a Nexus 2 1200 board. Not cycle exact, but still fun!
This is a PS2 keyboard interface for the ZX81. Uses an ATMega88 micro controller and Altera EPM3064 CPLD.
An implementation of a TMS9995 system with memory paging and SD card support implemented by a Spartan 6 LX9 FPGA.
A board design with CPLD and NXP ARM micro controller, supporting USB and SD card interfaces as well as a 5V tolerant bus interface for retro computers.
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