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ES1868_ISA8
ISA 8bit sound card based on the ES1868F sound chip, providing Sound Blaster PRO and OPL3 compatibility in a highly integrated packageCGA_Redux
The Color Graphics Adapter Redux board is a more or less faithful clone of the original IBM CGA, based on the original schematicsES688_ISA8
Sound Card for the ISA (8bit) bus sporting Sound Blaster / Sound Blaster PRO emulation via ES688F chip, and a real Yamaha OPL3 FM Synth. It's also completely jumper configurable.catflap4linux
A port of catflap (tool to manage caetla carts on PSX) to LinuxISA_EGA_CHIPS
This board is and EGA clone based on a reversed PA-WTEGA card, based on the chipset by CHIPS (P82C435 + P82A436).ATnoX
ATX to AT/XT/Amiga power supply adapterISA_EMS_4Mb
ISA 4Mb EMS expansion boardISA_EMS_2Mb
ISA 8bit EMS 2Mb expansion cardTTL-to-RGB
This board converts CGA/EGA/MDA/Hercules TTL signals into analog RGB signals that can be fed into a compatible monitorISA_DualUARTParport
8 bit ISA Parallel port + dual UART adapterCGA_Schematics
IBM Colour Graphics Adapter schematics redrawn in KiCadA500_r5-eprom_adapter
Amiga 500 rev.5 EPROM adapter for 27C020, 27C040 and 27C080DWAVE_MIDI_Wavetable
DWAVE is a small General MIDI module for the wavetable connector of your old sound card, based on the SAM2695 chipsdcc-cpm-example
Hello world program running under CP/M-80, crosscompiled with SDCC (based on sources from N8VEM)TurboXT_Addon
8Mhz Turbo / Reset addon board for the IBM 5160 (The original XT)pontag
PONTAG is an active adapter that converts a mouse using PS/2 protocol into an RS232 mouse (Microsoft protocol), commonly used on IBM XT/AT and compatibles.ATXm5v
Inline ATX -5v injectorEGA-2-RGBS
EPROM based EGA/CGA to analog RGBS converterISA_QuadUART
ISA 8-bit Quad serial adapterAVR-Experiments
Some AVR MCU experimentsROsiM
ROsiM is a ROM simulator/emulator, supporting up to 512k/16bit ROMsISA_QuadUART2
This 8-bit ISA board will provide 4 serial RS232 ports using a single 16C554 controller. 2 ports are exposed on an external bracket and 2 are on internal headers.minos-z80-monitor
Attempt to create a C based Ithaca Audio S-100 Z80 CPU card monitortranzmon
TranzMON is a resident monitor for the Tranz 330 POS terminals, that turns them into a multipurpose Z80-based computer.Another_AT2XT
Another AT2XT Keyboard adapter PCBMIDI-Stick
MIDI-Stick is a small MIDI synth based on the SAM2965 that plugs in the joystick port of your sound cardYaGOL
Yet another Game Of Life, ultra-quick exercise for university courseanastizer
Helping tool to make anastatic-like book digitalizationslibvk8055
My personal implementation of a Velleman K8055 libraryn8vem-s100-65C02-ide
Example 65C02 asm code (xa65) to initialize and use the N8VEM S-100 IDE cardROsiM_Loader
Companion software for the ROsiM ROM emulator/simulatorminos-z80-bootloader
IDE bootloader for MINOS Z80 monitorOtterX_Ram_Expansion
RAM Expansion for the OtterX (CommanderX16 compatible) computerLove Open Source and this site? Check out how you can help us