A 4$, 4ICs, Z80 homemade computer on breadboard: Z80-MBC (Mobile Breadbord Computer)

Anything not related to STM32
zmemw16
Posts: 924
Joined: Wed Jul 08, 2015 2:09 pm
Location: St Annes, Lancs,UK

Re: A 4$, 4ICs, Z80 homemade computer on breadboard: Z80-MBC (Mobile Breadbord Computer)

Postby zmemw16 » Wed Dec 21, 2016 11:39 am

z80 NASCOM as in NAScom ASM mebler - yep - cpm on 5.25" £800 ukp then i modded the fdc circuit to switch clock speed
to the fdc - 8" was the standard distribution media from CPMUK library group. wrote a program to translate the media as well.
anyone remember skew tables 1,7,13,19 or 1,3,5,8 etc

6502
LDA #55 A9 #immediate value
LDA mem A5 mem addr
LDA ?? A3??? something??
LDA (indirect zeropage), offset y - my all time favourite

stephen
(edit1 minor)
Last edited by zmemw16 on Wed Dec 21, 2016 6:43 pm, edited 1 time in total.

User avatar
ahull
Posts: 1376
Joined: Mon Apr 27, 2015 11:04 pm
Location: Sunny Scotland
Contact:

Re: A 4$, 4ICs, Z80 homemade computer on breadboard: Z80-MBC (Mobile Breadbord Computer)

Postby ahull » Wed Dec 21, 2016 12:00 pm

MFM Hard disk G=C800:5 - more of my precious brain cells permanently dedicated to useless facts :D
- Andy Hull -

User avatar
martinayotte
Posts: 1132
Joined: Mon Apr 27, 2015 1:45 pm

Re: A 4$, 4ICs, Z80 homemade computer on breadboard: Z80-MBC (Mobile Breadbord Computer)

Postby martinayotte » Wed Dec 21, 2016 12:09 pm

Apple ][ : call -151


Return to “Off topic”

Who is online

Users browsing this forum: Google [Bot] and 2 guests