Homemade 8MHz Z80 SBC, 128kB banked RAM, RTC, SD (HD emulation), Basic and Forth interpreter, CP/M 2.2 and 3, UCSD Pascal, Fuzix and more...

The Z80-MBC2 is an easy to build Z80 SBC (Single Board Computer). It is the "evolution" of the Z80-MBC, with a SD as "disk emulator" and with a 128KB banked RAM for CP/M 3 (but it can run CP/M 2.2 and QP/M 2.71 too).

2024年9月26日 · The Z80-MBC2 is an easy to build Z80 SBC (Single Board Computer). It is the “evolution” of the Z80-MBC, with a SD as “disk emulator” and with a 128KB banked RAM for CP/M 3 (but it can run CP/M 2.2, QP/M 2.71, UCSD Pascal and Collapse OS too).

2022年7月11日 · Exploring the Z80-MBC2 is a required learning step for the adventurous hobbyists and electronic enthusiasts who use this Z80 homebrew computer, to whom it's aimed. The device comes only with schematics, source code, and a few brochures.

2023年10月8日 · Collapse OS was designed and ported by Virgil Dupras. An Easy to Build Real Homemade Computer: Z80-MBC2! - Instructable was helpful. Higher resistor values would be better since the LEDs are pretty bright. The Fuse bits should be: High Byte 0xD6, Low Byte 0xAF, Lock Byte 0xCF.

Just a word of caution: Z80-MBC2 is NOT a typical microcomputer you might know from 70’s and 80’s of the previous century. You will NOT find here a glue logic you might be familiar with. Instead, get ready for a new, genius concept of merging two worlds: AVR/ATmega and Z80. ATmega plays a role of system supervisor that prepares a ...

2020年6月26日 · This repository contains the original CP/M 3 BIOS source files, plus my modified files to support either the original Digital Research Inc. supplied CP/M 3 BDOS modules, or Simeon Cran's ZPM3(1) replacement BDOS modules for the Z80-MBC2 single board computer (see https://hackaday.io/project/159973-z80-mbc2-4ics-homemade-z80-computer for details)

Homemade 8MHz Z80 SBC, 128kB banked RAM, RTC, SD (HD emulation), Basic and Forth interpreter, CP/M 2.2 and 3, UCSD Pascal, Fuzix and more... The sketch for the IOS (with the needed libraries). Unzip into a folder and open the .ino file (with Arduino IDE). IOS must be uploaded into the Atmega32A flash.

2024年9月10日 · z80-mbc2的核心是一颗古老的z80 cpu，辅以现代电子设计的智慧。 它巧妙地融入了一个Atmega32A微控制器，扮演着EEPROM和通用I/O模拟器的角色，这一创新不仅降低了制作门槛，也免去了对传统EPROM编程器的需求。

2024年6月13日 · z80-mbc2 是一个易于构建的 z80 单板计算机（sbc）项目。 它是 Z80-MBC 的进化版本，配备了 SD 卡作为磁盘模拟器，并拥有 128KB 的银行式 RAM，支持 CP/M 3 操作系统（同时也兼容 CP/M 2.2 和 QP/M 2.71）。