Search found 77 matches

by jdavis6809
Tue Jun 16, 2020 7:42 pm
Forum: Hardware hacks and extensions
Topic: Protek joystick interface diagram ?
Replies: 27
Views: 1343

Re: Protek joystick interface diagram ?

Hello,

see attached Sinclair programmable joystick interface

john davis uk
by jdavis6809
Wed Apr 01, 2020 4:14 pm
Forum: Hardware hacks and extensions
Topic: Cumulus v0.6 Firmware
Replies: 0
Views: 1728

Cumulus v0.6 Firmware

hello, The folder FW contains the programme files for the project I can compile with mplab ide v8.92 and c18 complier v3.46 and generate a hex file with no errors the problem I have there is another folder called boot with one file called main.c how do I combine the 2 programmes to produce one hex f...
by jdavis6809
Tue Feb 18, 2020 4:57 pm
Forum: General Discussion
Topic: Erebus Batch November 2019
Replies: 25
Views: 7856

Re: Erebus Batch November 2019

hello,

I have this but cannot find project in svn ?

regards

john davis uk
by jdavis6809
Mon Nov 18, 2019 2:57 pm
Forum: General Discussion
Topic: Software ORICAID by MICROGRAF Help Archive
Replies: 6
Views: 2439

Software ORICAID by MICROGRAF Help Archive

Hello, Having looked on the oric ceo site to see that software is listed but blank on all fields I have this software but need advice how to archive on to oric ceo site I am waiting for modern USB cassette transfer machine to arrive to transfer cassette tape to mp3. I can scan instruction sheet 600d...
by jdavis6809
Sat Jan 05, 2019 1:11 pm
Forum: Hardware hacks and extensions
Topic: re microdisc floppy controller board
Replies: 11
Views: 5952

Re: re microdisc floppy controller board

hello, latest testing with hxc floppy emulator when I get insert system disk and the emulator file is selected (oric dos 1.13.dsk) now I get " no operating system found" I notice that the track size is 80 and not 42 no sure if system disk should be 42 track or 80 track no sure how oric dos knows eit...
by jdavis6809
Sat Jan 05, 2019 1:01 pm
Forum: Hardware hacks and extensions
Topic: Cumana Disk Controller PCB
Replies: 3
Views: 3240

Re: Cumana Disk Controller PCB

Hello,

I made a rom 8k with 2k at the top I know that jump vector is at top of rom

thanks

john davis uk
by jdavis6809
Fri Jan 04, 2019 12:13 pm
Forum: Hardware hacks and extensions
Topic: Cumana Disk Controller PCB
Replies: 3
Views: 3240

Cumana Disk Controller PCB

Hello, Cumana pcb built from blank pcb and populated ready for testing Can anyone tell me if bios rom (attached) is correct only 2k in size not 8k Also anyone have system disk for cumana controller so I can try with hxc floppy emulator Also anyone have system disk for microdisc controller so I can t...
by jdavis6809
Thu Dec 27, 2018 11:59 pm
Forum: Hardware hacks and extensions
Topic: re microdisc floppy controller board
Replies: 11
Views: 5952

Re: re microdisc floppy controller board

hello,

the twist cable is not standard pc cable

it is one I made and works with bbc micro / master and floppy emulator

regards

john davis uk
by jdavis6809
Wed Dec 26, 2018 9:13 pm
Forum: Hardware hacks and extensions
Topic: re microdisc floppy controller board
Replies: 11
Views: 5952

Re: re microdisc floppy controller board

hello the twist is needed when you want to use pc 3.5" disk drives and you intend to use two drives I have both types of cable for testing straight and with a twist I also just got a Cumana pcb populated waiting for 74ls logic chips on order will let you know the results using oric rom and Cumana ro...
by jdavis6809
Sun Dec 09, 2018 2:02 pm
Forum: Hardware hacks and extensions
Topic: re microdisc floppy controller board
Replies: 11
Views: 5952

Re: re microdisc floppy controller board

hello oric man, my problem still persists see attached zip copy of sd card my email address is jdavis6809@aol.com I am located in the UK yes would like 3.5" disk copy with 720k image oric dos I have tried various combinations Floppy drive only HFE only Floppy drive and HFE the floppy drive cable mad...
by jdavis6809
Mon Sep 10, 2018 2:45 pm
Forum: Hardware hacks and extensions
Topic: re microdisc floppy controller board
Replies: 11
Views: 5952

re microdisc floppy controller board

hello, I have a microdisc controller board (no case) and trying to connect to a hxc floppy controller rev c without hxc floppy controller rev c connected atmos displays "insert system disc" with hxc floppy controller rev c connected atmos displays "no system disc found" using system images from emul...
by jdavis6809
Mon Sep 10, 2018 2:27 pm
Forum: Hardware hacks and extensions
Topic: re cumulus
Replies: 7
Views: 4338

re cumulus

hello,

I now have a cumulus which works ok with my 2 atmos computers

my question is has anybody modified the firmware to improve the menu navigation ?

there is no manual and I only found a pdf showing the menu images

regards

john
by jdavis6809
Tue Jul 07, 2015 1:44 pm
Forum: Tape and floppy disk converters
Topic: How to use a 8Gb MP3 Player Recorder for Oric1 and Atmos
Replies: 7
Views: 12483

Re: How to use a 8Gb MP3 Player Recorder for Oric1 and Atmos

Update

Tested this setup on my Atmos (yes I have an Oric1 and a Atmos now)

Works ok as well as tap2cd

regards

john davis uk
by jdavis6809
Mon Jun 15, 2015 7:57 am
Forum: General Discussion
Topic: Bytedrive 500 on Ebay uk
Replies: 11
Views: 10790

Re: Bytedrive 500 on Ebay uk

hello,

Its not a 3" drive it is a 5.25" drive

But unable to find BDDOS?

see link

http://www.ebay.co.uk/itm/251984847806? ... EBIDX%3AIT

regards

john davis uk
by jdavis6809
Sat Jun 13, 2015 6:08 pm
Forum: 6502 assembly coding
Topic: List of 1.0 and 1.1 ROM routines ?
Replies: 23
Views: 38511

Re: List of 1.0 and 1.1 ROM routines ?

Hello,

When I checked there was no download link in blue, that's why I asked
just showed a picture and some text info
found the pdf elsewhere