hkzlab/OtterX_Ram_Expansion

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Created 6 months ago
Updated 6 months ago

hkzlab/OtterX_Ram_Expansion

hkzlab

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RAM Expansion for the OtterX (CommanderX16 compatible) computer

ES1868_ISA8

ISA 8bit sound card based on the ES1868F sound chip, providing Sound Blaster PRO and OPL3 compatibility in a highly integrated package

CGA_Redux

The Color Graphics Adapter Redux board is a more or less faithful clone of the original IBM CGA, based on the original schematics

ES688_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 Linux

ISA_8bitNetwork_8019

8bit ISA NE2000-compatible network card based on the RTL8019AS chip

ISA_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 adapter

ISA_EMS_4Mb

ISA 4Mb EMS expansion board

ISA_EMS_2Mb

ISA 8bit EMS 2Mb expansion card

TTL-to-RGB

This board converts CGA/EGA/MDA/Hercules TTL signals into analog RGB signals that can be fed into a compatible monitor

ISA_DualUARTParport

8 bit ISA Parallel port + dual UART adapter

CGA_Schematics

IBM Colour Graphics Adapter schematics redrawn in KiCad

A500_r5-eprom_adapter

Amiga 500 rev.5 EPROM adapter for 27C020, 27C040 and 27C080

DWAVE_MIDI_Wavetable

DWAVE is a small General MIDI module for the wavetable connector of your old sound card, based on the SAM2695 chip

sdcc-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 injector

EGA-2-RGBS

EPROM based EGA/CGA to analog RGBS converter

ISA_QuadUART

ISA 8-bit Quad serial adapter

AVR-Experiments

Some AVR MCU experiments

ROsiM

ROsiM is a ROM simulator/emulator, supporting up to 512k/16bit ROMs

ISA_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 monitor

tranzmon

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 PCB

MIDI-Stick

MIDI-Stick is a small MIDI synth based on the SAM2965 that plugs in the joystick port of your sound card

YaGOL

Yet another Game Of Life, ultra-quick exercise for university course

anastizer

Helping tool to make anastatic-like book digitalizations

libvk8055

My personal implementation of a Velleman K8055 library

n8vem-s100-65C02-ide

Example 65C02 asm code (xa65) to initialize and use the N8VEM S-100 IDE card

ROsiM_Loader

Companion software for the ROsiM ROM emulator/simulator

minos-z80-bootloader

IDE bootloader for MINOS Z80 monitor