Search found 254 matches

by MK14HAK
Thu May 18, 2017 11:42 pm
Forum: OSI discussion, thoughts, projects
Topic: OSI Reproduction Boards interest list
Replies: 6
Views: 112

Re: OSI Reproduction Boards interest list

I'll be back with an order too thanks Dave. Some research needed first.
Mike
by MK14HAK
Thu May 18, 2017 11:35 pm
Forum: Files (software, documentation, images, projects)
Topic: Differences between OS65D V3.2 and V3.3
Replies: 2
Views: 287

Re: Differences between OS65D V3.2 and V3.3

Welcome Andis,

5"
V3.2 Copier/TK0 Util Tk13,1 (01,2 on some disks? 8" )
V3.3 Tk0 Util Tk 6,4

Call $200 (not Cegmon -reloc @ $0300)
Use WinOsi save code tools.Disassemble. osilod. ...

Good luck.
Mike
by MK14HAK
Fri Apr 28, 2017 9:52 pm
Forum: OSI discussion, thoughts, projects
Topic: Finished 600/610 replica project
Replies: 11
Views: 3616

Re: Finished 600/610 replica project

Thanks for that, I missed these previous. Indeed gorgeous. Awesome work.
Also miss the osiWeb.org link here too Dave.
by MK14HAK
Mon Apr 17, 2017 12:17 am
Forum: Files (software, documentation, images, projects)
Topic: DOS/65 Richard Leary
Replies: 63
Views: 21279

Re: DOS/65 Richard Leary

A tidy up of the version 2.01 dumps nearly done, plus ...
C4_DOS65v219.jpg
C4_DOS65v219.jpg (74.72 KiB) Viewed 303 times
by MK14HAK
Tue Mar 07, 2017 11:14 pm
Forum: OSI discussion, thoughts, projects
Topic: Universal OSI RAM Board Project
Replies: 9
Views: 694

Re: Universal OSI RAM Board Project

glitch, Do the 4K page selects cover a full 64K block?
Pleased to see the bank memory management implemented. Will help will those big C compiles !
So these 62256 SRAM sockets are optionally ROM also and can be for Z80 code ?
Thanks for the very helpful website.
by MK14HAK
Wed Feb 22, 2017 1:33 am
Forum: OSI discussion, thoughts, projects
Topic: 560Z Build thread
Replies: 27
Views: 3006

Re: 560Z Build thread

01.10 Where to from here Grant? 01.20 Do you intend using paper tape I/O 01.30 Z80 ROM - I have a couple of Z80 monitors that could be adapted or recode 65A ? 01.40 6820/1 's, Z80s here but no I6100. Any of the TTL hard to find? Some spares would be handy if they are. 01.50 How about a " Hello World...
by MK14HAK
Tue Feb 21, 2017 9:25 pm
Forum: OSI discussion, thoughts, projects
Topic: 560Z Build thread
Replies: 27
Views: 3006

Re: 560Z Build thread

Very nice. Do you have any ROM on the Z80 side at present ?
by MK14HAK
Sat Feb 18, 2017 3:48 am
Forum: OSI discussion, thoughts, projects
Topic: 560Z Build thread
Replies: 27
Views: 3006

Re: 560Z Build thread

I would be interested to know what suppliers you use as a source for these older components ?? I know Dave has a list online but you probably have others ?
by MK14HAK
Sat Feb 18, 2017 3:35 am
Forum: OSI discussion, thoughts, projects
Topic: OSI 502C A custom 502 board design
Replies: 6
Views: 833

Re: OSI 502C A custom 502 board design

I'm all for it. I think there is a need (or want) for a single board that can replace all the typical boards one would need for a complete system. Steve Are you all for a custom 502C ? That's what this thread is about. An updated board to go with existing backplane boards eg 470K 540B 560Z 430B etc...
by MK14HAK
Fri Feb 17, 2017 7:21 am
Forum: OSI discussion, thoughts, projects
Topic: RGB video with 540B1?
Replies: 6
Views: 8078

Re: RGB video with 540B1?

Did you manage to get Sargon Chess running Karl ? :)