Pinned Repositories
pico-pio-connect
Connecting 2 Raspberry Pi Picos together using a high speed link based on PIO
pico_oled_rotary
Example of how to connect an OLED screen and a rotary encoder to a Raspberry Pi Pico, written in C
skoolkit_space_raiders
A disassembly of a 1982 Z80 game
the-virus
A game for the ZX Spectrum, written in C
z88dk
The development kit for over a hundred z80 family machines - c compiler, assembler, linker, libraries.
z88dk-zxspectrum-examples
Examples, tests and demos of z88dk/C code for the ZX Spectrum
zx-spectrum-lower-ram
A lower RAM module for the ZX Spectrum
zx-spectrum-pico-interface-one
A recreation of the ZX Spectrum Expansion System, a hardware Microdrive emulator
zx-spectrum-pico-rom
A Raspberry Pi Pico based device to emulate a ROM on a ZX Spectrum
zxwonkyonekey
A game for the ZX Spectrum, written in C
derekfountain's Repositories
derekfountain/zx-spectrum-pico-rom
A Raspberry Pi Pico based device to emulate a ROM on a ZX Spectrum
derekfountain/zx-spectrum-pico-interface-one
A recreation of the ZX Spectrum Expansion System, a hardware Microdrive emulator
derekfountain/zx-spectrum-lower-ram
A lower RAM module for the ZX Spectrum
derekfountain/z88dk-zxspectrum-examples
Examples, tests and demos of z88dk/C code for the ZX Spectrum
derekfountain/zxwonkyonekey
A game for the ZX Spectrum, written in C
derekfountain/skoolkit_space_raiders
A disassembly of a 1982 Z80 game
derekfountain/pico_oled_rotary
Example of how to connect an OLED screen and a rotary encoder to a Raspberry Pi Pico, written in C
derekfountain/the-virus
A game for the ZX Spectrum, written in C
derekfountain/pico-pio-connect
Connecting 2 Raspberry Pi Picos together using a high speed link based on PIO
derekfountain/z88dk
The development kit for over a hundred z80 family machines - c compiler, assembler, linker, libraries.
derekfountain/z88dk-arkos-tracker2-example
Small example of playing music from Arkos Tracker 2 on the ZX Specturm using z88dk C code
derekfountain/zx-spectrum-diagnostics
A hardware diagnostics board for the 48K ZX Spectrum
derekfountain/zx-spectrum-plugin-module
A plugin module for the ZX Spectrum
derekfountain/gatecontroller
Hardware project, a controller for my gate. Never got anywhere because I managed to fix the original controller box.
derekfountain/pico-overclock
Small piece of research into overclocking a RP pico
derekfountain/sp1gameframework
First steps in an effort make a skeleton for z88dk / SP1-based games
derekfountain/galaxians-sa-disassembly
derekfountain/pico-555-power-control
Experimentation with a Raspberry Pi Pico and a 555 timer
derekfountain/pico-sh1106-oled
derekfountain/pico-shift-register-74xx165
Driving a 74xx165 shift register with a Raspberry Pi Pico, from both C and PIO
derekfountain/pico-spi-pseudoram
Investigation and example of using pseudoram (PRAM) with a Pico
derekfountain/pico-usb-keyboard
Simple example of using the Pico as an automated USB keyboard
derekfountain/rp2040-minimal
derekfountain/rp2040-pio-restart
Investigation into restarting PIO programs on the RP2040
derekfountain/z88dk-data-in-lower-ram
derekfountain/zesarux-z88r
ZEsarUX - Fork and modify for the Z88R project
derekfountain/zx-spectrum-basic-interface
Basic interface board in Kicad for a ZX Spectrum 48K
derekfountain/zxbus
ZX Spectrum edge connector (ZX Bus) Kicad model
derekfountain/ZXDB
Open database with historical information about Sinclair machines
derekfountain/zxspectrum_be
ZX Spectrum interface to the 'be' tool