https://github.com/pdsmart/zpu

ZPU Evo(lution), an enhanced ZPU microprocessor design in VHDL to embed within an FPGA including SoC functionality. Project currently uses Altera Cyclone devices.

assembly-language bash c cpp perl vdl

Last synced: 14 Apr 2025

https://github.com/pdsmart/tranzputer

A transformable CPU, one version using FPGA technology and another using an ARM Cortex-M4 (K64F) to upgrade venerable Z80 systems in-situ. Project uses VHDL, C/C++, ARM, ZPU & Z80 Assembler.

bash c cpp electronics fpga vhdl

Last synced: 14 Apr 2025

https://github.com/pdsmart/tzpufusionx

tranZPUter FusionX - Software based physical Z80 replacement using a Linux System-on-a-module and a highly accurate Z80 Emulation written in C.

bash c cpld driver electronics kernel linux retro som vhdl

Last synced: 14 Apr 2025

https://github.com/pdsmart/sharpmz

A Sharp MZ Series (80K,80C,1200,80A,80B,700,800,2000) Computer Hardware Emulation written in VHDL on Altera FPGA fabric. Runs on the MiSTer project and other Altera Cyclone devices.

assembly-language c cpp electronics emulator fpga perl retrocomputing vhdl

Last synced: 15 Jun 2025

https://github.com/pdsmart/sharpkey

A Multi-HID Interface, connecting PS/2 & Bluetooth Keyboard/Mice with Retro Host Computers

ajax bootstrap4 c cpp electonics electronics esp32 esp32-idf freertos html jquery js kicad

Last synced: 01 Aug 2025

https://github.com/pdsmart/zsoft

zOS Operating System, apps and associated developments. Used in the ZPU, tranZPUter and SharpMZ projects but easily adapted to other embedded systems. Project uses C/C++, ARM and ZPU Assembler.

arduino armv7 assembly bash basic-interpreter c c-plus-plus cortex-m4 editor fatfs makefile operating-system rtl teensy35 teensyduino zpu

Last synced: 19 Oct 2025

https://github.com/pdsmart/mz80a_rfs

A Sharp MZ80A Rom Filing System - a complete hardware/software upgrade replacing the Monitor & User ROMs with 2MB Flash, SD Card and upgraded firmware. Project uses C and Z80 Assembler.

assembly-language bash cpm electronics retrocomputing vhdl

Last synced: 01 Aug 2025

https://github.com/pdsmart/mz80a_80colour

A Sharp MZ80A Video upgrade. v1.0 allows switchable 40/80 column display with colour monitor output, v2.0 provides full pixel graphics compatible with the MZ80B.

cpld electronics fpga kicad mz80a vhdl

Last synced: 12 Aug 2025

https://github.com/pdsmart/x1key

Sharp X1 PS/2 keyboard interface based on the Renesas R8C

c cpp electronics firmware kicad renesas sharp

Last synced: 04 Feb 2026

https://github.com/pdsmart/286racer

An Intel 286 Parallel processor and upgrade card for an IBM XT.

assembly-language dos electronics orcad

Last synced: 10 Oct 2025

https://github.com/pdsmart/sfd700

SFD-700 Floppy Disk Controller for the Sharp MZ series computers.

Last synced: 07 Jan 2026

https://github.com/pdsmart/libraries

Various libraries developed over the years...

Last synced: 27 Mar 2025

https://github.com/pdsmart/sfd800

SFD800 Floppy Disk Interface Card for the Sharp MZ series machines.

cupl electronics kicad sharp

Last synced: 06 Jan 2026

https://github.com/pdsmart/dpwr

A Digital Power Controller using ARM MPU, embedded Linux and Perl in-built Web Server. jDPWR is a derivative using Java and embedded Jetty web server.

bash digital-power hardkernel java jetty perl

Last synced: 19 Jan 2026