Search found 62 matches

by monsonite
18 Oct 2019, 21:50
Forum: Escape Meta Alt Control Shift
Topic: On the shoulders of Giants
Replies: 6
Views: 328

Re: On the shoulders of Giants

Hi Marcel, As you know, I took your advice, and decided this week to start a Hackaday.io project and begin writing a series of logs - which not only document the project, but help focus the mind - as you have to describe the various aspects of the project in a way that are clear to the Reader. I dec...
by monsonite
16 Oct 2019, 21:01
Forum: Hardware and software hacking
Topic: Modified Gigatron Design Ideas
Replies: 18
Views: 703

Re: Modified Gigatron Design Ideas

I would advice to design the computer by starting with the data paths. The instruction set can always follow. Many do it the other way around and end up with complex designs.
Yes - I'm just starting to find that out the hard way :(
by monsonite
24 Sep 2019, 15:42
Forum: Escape Meta Alt Control Shift
Topic: On the shoulders of Giants
Replies: 6
Views: 328

On the shoulders of Giants

Hi All, Many of us will now have had our Gigatron for a year or more, and will have witnessed the wonderful progress that the project has made since it's inception in March 2017. Who would have thought that we would be able to emulate the 6502, or access an SD-Card. Inspired by Marcel's Gigatron des...
by monsonite
13 Sep 2019, 15:14
Forum: Hardware and software hacking
Topic: A new Digital Simulation Tool
Replies: 0
Views: 184

A new Digital Simulation Tool

A friend put me onto this new open source digital simulation tool. https://github.com/hneemann/Digital/releases/tag/v0.23 It's very similar to Logisim which is now no longer supported. It has an extensive library of TTL devices and memory - so it should be possible to simulate the Gigatron. I decide...
by monsonite
06 Sep 2019, 09:53
Forum: Escape Meta Alt Control Shift
Topic: Summer + Hebden Bridge, Cambridge and Berlin
Replies: 13
Views: 734

Re: Summer + Hebden Bridge, Cambridge and Berlin

Hi All, Following a successful presentation at OSHCamp in Hebden Bridge last weekend to over 80 Open Source Hardware enthusiasts, the "Gigatron Roadshow" is rolling into Cambridge this weekend for the Retro Computer Festival. September 7th+8th Retro Computer Festival 2019 http://www.computinghistory...
by monsonite
01 Aug 2019, 16:47
Forum: Escape Meta Alt Control Shift
Topic: A very-Tiny BASIC interpreter
Replies: 0
Views: 201

A very-Tiny BASIC interpreter

Hi All, This BASIC interpreter was featured on Hackaday on 31-7-19 and at 512 bytes long is carefully tailored to fit into a boot sector. Whilst written in 8088 assembly language and has a very limited command set, it shows what can be done with very minimal resources. Anybody interested in Tiny lan...
by monsonite
30 Jul 2019, 22:08
Forum: Hardware and software hacking
Topic: Expansion bus
Replies: 77
Views: 7921

Re: Expansion bus

Martijn,

Fantastic work!

I'm looking forwards to replicating this on my Gigatron.

regards


Ken
by monsonite
27 Jul 2019, 12:46
Forum: Hardware and software hacking
Topic: Expansion bus
Replies: 77
Views: 7921

Re: Expansion bus

Hi xopr, Marcel, This is great progress, and something I must reproduce on my Gigatron. I like your thinking of using an Arduino as a programmable SPI slave. You can program the Arduino to do whatever you want in response to a few SPI commands. There is scope for a common set of commands to access t...
by monsonite
13 Jul 2019, 14:45
Forum: Hardware and software hacking
Topic: v6502
Replies: 20
Views: 3959

Re: v6502

Marcel,

Another useful tool to make v6502 development easier.

I wrote a Z80 disassembler in BASIC whilst at school - but this is very concise.

Good Work!


Ken