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Description: Discussion about the CP/M operating system.
 

New Microbee 128 soon to be released 
  Just thought I'm mention of a limited release (100 units) of partial original Microbee 128K Premium soon to be released 30 years after the first Microbee was released (Feb 1982). The original Microbee was first released as a kit and so is this one. The Microbee was a Z80 Australian made unit sold mainly to schools, small office and home use/hobbyists.... more »
By ChickenMan  - Feb 10 - 3 new of 3 messages    

Zeta SBC - Minimal, self-contained, N8VEM compatible Z80 SBC 
  Zeta SBC is an easy to build Zilog Z80 based single board computer. It is inspired by Ampro Little Board Z80 and N8VEM project. Zeta SBC is software compatible with N8VEM SBC and Disk I/O boards. This is an open source project: all design files (KiCad schematics and PCB, Gerber) are available from N8VEM Wiki.... more »
By Sergey  - Jan 31 - 6 new of 6 messages    

CONIN and CONOUT ready, how make a BIOS? 
  Hi, I am Paolo from Italy and I have written the CONIN and CONOUT routines for my Z80 hardware. Now I start to develop Floppy disk routines (for uPD765 by NEC), and then I need to make a complete BIOS for CP/M 2 (I have planned to switch to CP/M 3 in future) I would need *step-by-step* help to do this, I have poor experience with... more »
By Telespalla Bob  - Jan 31 - 7 new of 7 messages    

Candidate emulator for CP/M-68K 
  Hello all, In my quest for an emulator for the 68K, google pointed me to a few threads on this group. Having found a suitable emulator, I thought I'd share it, and some ideas, with the group. Without further ado: [link] The University of Teesside Simulator & Cross-Assembler package... more »
By Tarkin  - Jan 29 - 1 new of 1 message    

Kaypro iron bar 
  Under the Kaypro-II there is a bar of iron that allows to position it tilted on a table. Can someone give me the its exact sizes so that i can create it again properly? thanks Enrico
By Enrico Lazzerini  - Jan 28 - 4 new of 4 messages    

Need 8" disks read 
  I have come into possession of several original Lobo Max-80 8" boot disks. They are both single and double sided and are both CP/M 2.2 and 3. Does anyone still have access to 8" disks and would be willing to read them into disk images? It would not be necessary to send them back to me. I'd like to write a Lobo Max-80 emulator (or, perhaps,... more »
By Tom Burnett  - Jan 26 - 5 new of 5 messages    

Seattle Retro-Computing Society's 1st 2012 meeting: Sat. Jan. 28th 
  Come one, come all, to the Seattle Retro-Computing Society's first monthly meeting of 2012! It will be held Saturday, January 28th from 11:30 AM to 5:00 PM (please note our new, later starting time). Do you do any of the following with old computers? Will you be near Seattle on Saturday? + Use, collect, and/or restore them... more »
By SRCS Admin  - Jan 24 - 1 new of 1 message    

Kaypro II: help to repair analogic video card 
  Hi all, I'd like to fix the analog video section of my Kaypro II. I submit that this is not the PC81-240A motherboard that still works perfectly, but the analog video section because while the cathode is illuminated, the screen stays completely dark. I've never competed in repairs such as a TV and I am... more »
By Enrico Lazzerini  - Jan 24 - 2 new of 2 messages    

P112 kits for sale 
  I have seven P112 kits for sale. One will ship immediately. The other six will ship a week later, which is when I expect some memory chips to arrive. I'm taking orders first-come first-served, one per customer and ONLY from people who don't have a P112 already. The price is $160 shipped in the US. For outside the US, I expect the charge to be $10... more »
By David Griffith  - Jan 22 - 1 new of 1 message    

original diskettes for Intertec Superbrain 
  Hi. In the middle of 1980s, I was user of Intertec Superbrain computer: [link] I still own it, but original diskettes came with the computer are lost. (it was CP/M maybe 2.x but not sure, some BASIC, etc) Does anybody have information, what was supplied to this computer on... more »
By Dennis Yurichev  - Jan 13 - 3 new of 3 messages    

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