Return-Path: Delivered-To: craig@sbc-85.com Received: from gator4254.hostgator.com by gator4254.hostgator.com with LMTP id 0Hp4Dz9wAmme9QgAcizydQ (envelope-from ) for ; Wed, 29 Oct 2025 14:51:27 -0500 Return-path: Envelope-to: craig@sbc-85.com Delivery-date: Wed, 29 Oct 2025 14:51:27 -0500 Received: from p-impout006aa.msg.pkvw.co.charter.net ([47.43.26.137]:48911 helo=p-impout006.msg.pkvw.co.charter.net) by gator4254.hostgator.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.1) (envelope-from ) id 1vECCc-00000002fjO-1MyZ for craig@sbc-85.com; Wed, 29 Oct 2025 14:51:27 -0500 Received: from GeorgeAdams ([74.131.139.95]) by cmsmtp with ESMTPA id ECCPvPFoTWd8GECCPv942T; Wed, 29 Oct 2025 19:51:14 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cinci.rr.com; s=c20240129; t=1761767474; bh=IPOeSJYi4kEaLQGip7HG7ERqL6KocIyhP1AD2xqP7Vw=; h=From:To:References:In-Reply-To:Subject:Date; b=MtPFoQ3zmbRtjML/JI0lTf6TOhkylZpB08vliVTAM3i3mgUqP4S19GErzba8QdhAS fwNeO0AelB/qpbysXA1BQV4m8mEly1znlNbdX1+bMM0AbJQ+3lUdAwB5W0M5s88ONc evsIO6AcqQ6DHtajnx9/qYwhVNUPHs9WXYQEjAn9yXw/ba7GNA3zZAI7hxKGxKKMyk t9Q4dvYWpFut0PmSnphqJM+wVUS4f/xugOlMXmlp7TL6Tw1ENzxp2u+d7QNQvwNJuI mYKmOfCYDY/7jJHelRtpWOy2AUnw9m9VpVbHkKiTSG1nHKl85lMo1m2WpRwnVId+Q5 D/JYV6WZOPJTw== X-Authority-Analysis: v=2.4 cv=QbRgvNbv c=1 sm=1 tr=0 ts=69027032 a=hl8TJCE9z2sxp+2MqBjxnA==:117 a=hl8TJCE9z2sxp+2MqBjxnA==:17 a=DAwyPP_o2Byb1YXLmDAA:9 a=eyJnENA8AAAA:8 a=_6GpL_ENAAAA:8 a=HjitWDSJAAAA:8 a=ayC55rCoAAAA:8 a=S9OzmU7rxR4jvVfeBDkA:9 a=QEXdDO2ut3YA:10 a=yMhMjlubAAAA:8 a=SSmOFEACAAAA:8 a=sg50UQKIxM90Nse5ag8A:9 a=Fp-xfJb7HASvpy7E:21 a=gKO2Hq4RSVkA:10 a=UiCQ7L4-1S4A:10 a=hTZeC7Yk6K0A:10 a=6UIaq3Bcl8oA:10 a=frz4AuCg-hUA:10 a=lqcHg5cX4UMA:10 a=32HgJRMQKz88X0FlR056:22 a=IB1QFG2aBfq3amWdyr0s:22 From: To: References: <000001dc486b$fb880c10$f2982430$@cinci.rr.com> <252F7B2D-C850-4056-B487-6437CDE9085F@sbc-85.com> <0f8d01dc4908$c73493f0$559dbbd0$@sbc-85.com> In-Reply-To: <0f8d01dc4908$c73493f0$559dbbd0$@sbc-85.com> Subject: RE: nibbler sytem Date: Wed, 29 Oct 2025 15:51:13 -0400 Message-ID: <000401dc490d$61dbceb0$25936c10$@cinci.rr.com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0005_01DC48EB.DACCEDD0" X-Mailer: Microsoft Outlook 16.0 Thread-Index: AQGxTqKwaoOKmoDUBpBXhSbX6xEUaQF77N6/ATkKD6u1GdQF4A== Content-Language: en-us X-Antivirus: Avast (VPS 251029-2, 10/29/2025), Outbound message X-Antivirus-Status: Clean X-CMAE-Envelope: MS4xfOE+lTrO1PZM3thM4Qo9kKD6VyacimfbP61GsctDuG4eZSpmjkSCpYQCPd3hNYNG3rPFSB4+Hl/DJO4k7NHfFrSkqNyrwb6CEnap2t6W37rVOUDRLTve IB608Ze6WHRmwwNfXaXK2i0+NIaE2nHoE8UFqrK5AYUeCGFV+CSTty3ynvt2wCwCYOvHDVfQ262D3g== X-Spam-Status: No, score=-4.3 X-Spam-Score: -42 X-Spam-Bar: ---- X-Spam-Flag: NO This is a multipart message in MIME format. ------=_NextPart_000_0005_01DC48EB.DACCEDD0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Craig, Thanks for looking for the boards. Let me know what boards you have and what you want for them and I will payp= al you, don=E2=80=99t forget to include the shipping in your amount. I did not see the backplane schematic on the website. Thanks Again. Regards, George From: craig@sbc-85.com Sent: Wednesday, October 29, 2025 3:18 PM To: adamsgl@cinci.rr.com Subject: RE: nibbler sytem I meant to say if you order from jlcpcb they will add tariffs to the order.= I thought tariff, but I evidently didn=E2=80=99t type it. I found a bare s100 backplane in my garbage you can have. I tried to give = older versions away on the s100 forum somewhere, but nobody wanted it. I saw that I have some bare of the newer blue version of my reproduction SS= M boards but didn=E2=80=99t look to see what they were. Probably cpu and m= emory.. maybe the video card too. But I would have to charge you for those= , I need to look up how much they cost me but probably $15 each all said an= d done. They were before tariffs. That=E2=80=99s funny, I don=E2=80=99t see any memory boards on my website f= or download. Maybe the ones in the pile I have are just video and cpu=E2= =80=A6 I will look later today when I go down there. Regards craig From: SBC-85 > Sent: Tuesday, October 28, 2025 7:21 PM To: adamsgl@cinci.rr.com Subject: Re: nibbler sytem Hi George, I like the CB1A I recreated because it has a serial port and can be used as= a single board computer. https://bitsofthegoldenage.org/documentation/ssm-cb1a-w-parallel-io/ I will look to see if I have a bare board. I think I have a bare backplane= =2E If you order from jlcpcb they directly add them to the order. Regards Craig On Oct 28, 2025, at 5:36=E2=80=AFPM, adamsgl@cinci.rr.com wrote: =EF=BB=BF Craig, Thanks for posting the project code, loading the code now, looking forward = to working with the new version. I wanted to ask about another one of your projects. What are you using for = the s100 cpu board? It appears that it may be the workalike for the ssm cb1= /cb1a, and the cb1 a confidence test code. I have been looking for a s100 cpu board and backplane on ebay but found no= thing I am interested in that doesn=E2=80=99t cost a fortune. Can you suggest a board or is the ssm board and backplane you created the b= est solution? It seems to be the best, as most of the ebay hardware is lack= ing on the documentation side. I see you have the build files available, so I can try to find a us based m= anufacturer to make them (I don=E2=80=99t want to get involved with the tar= iffs that are imposed buying out of the country). The S100 systems are where I learned assembly language, without an assemble= r. That=E2=80=99s why I started with your SBC-85 and STD bus cpu cards. Thanks Again. Regards, George From: craig@sbc-85.com > Sent: Tuesday, October 28, 2025 3:47 PM To: adamsgl@cinci.rr.com Subject: RE: nibbler sytem Hi George, I have put v017 on the project page. Please let me know if ther= e are any issues. Thanks From: adamsgl@cinci.rr.com > Sent: Tuesday, October 28, 2025 6:16 AM To: 'SBC-85' > Subject: RE: nibbler sytem Craig, Just watched your 145 video on the nibbler wrap up. Nice addition to the mo= nitor the E command. Looking forward to running this version on my system. = The project site doesn=E2=80=99t have the code yet. It has 0.1.6.b which do= esn=E2=80=99t have the assembler command. This is a great series and I continue to learn about the processor and writ= ing codefor it. Any idea what processor you will be looking at for your next series?? (8052= , 1802, or something else?). Looking forward to what ever you decide to exp= lore. Thanks Again for the great work. George From: SBC-85 > Sent: Sunday, October 26, 2025 1:01 PM To: adamsgl@cinci.rr.com Subject: Re: nibbler sytem Hi George, I saw the tindie order, thanks Somewhere I set aside the last nibbler Ram board for you, but I don=E2=80= =99t remember sending it. So I will mail it also. On Oct 25, 2025, at 11:13=E2=80=AFAM, adamsgl@cinci.rr.com wrote: =EF=BB=BF Craig, Very nice addition to the monitor. This makes it easy to code on the fly an= d not require the assembler for testing. Looking forward to adding this to what I have. Just reviewed your SBC-85 cassette interface video, and that peaked my inte= rest, so I will probably try to get the board from your tindie site today. = Another project to put on the to-work-on later this winter, If only to unde= rstand how it works. Regards, George From: craig@sbc-85.com > Sent: Friday, October 24, 2025 8:31 PM To: adamsgl@cinci.rr.com Subject: RE: nibbler sytem Snip from user=E2=80=99s guide From: craig@sbc-85.com > Sent: Friday, October 24, 2025 4:41 PM To: 'adamsgl@cinci.rr.com' > Subject: RE: nibbler sytem Hi George, A taste of the new =E2=80=98E=E2=80=99 command to enter instructions as mne= monic and operand. Includes a .DA pseudo opcode to enter ascii directly and a .DB to enter hex= bytes. From: adamsgl@cinci.rr.com > Sent: Wednesday, October 22, 2025 1:45 PM To: 'SBC-85' > Subject: nibbler sytem Craig, Finally got most of the parts for the ram/rom boards. Everything works great! Backplane only has 3 connectors, but I have enough to fill out as needed. I wish I had put zif sockets on the nibbler board, to swap in/out nibble ba= sic eproms, but this can be fixed with a normal socket under a zif. (maybe = another nibbler board just for nibble basic is in order) Thanks Again for all your help and work on these. Regards, George Virus-free. www.avast.com -- This email has been checked for viruses by Avast antivirus software. www.avast.com ------=_NextPart_000_0005_01DC48EB.DACCEDD0 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable

Craig,

Thanks for looking = for the boards.

 

Let me know what = boards you have and what you want for them and I will paypal you, = don=E2=80=99t forget to include the shipping in your = amount.

 

I did not see the = backplane schematic on the website.

 

Thanks = Again.

 

Regards,

 

George

 

 

From:<= /b> = craig@sbc-85.com <craig@sbc-85.com>
Sent: Wednesday, = October 29, 2025 3:18 PM
To: = adamsgl@cinci.rr.com
Subject: RE: nibbler = sytem

 

I meant to say if you order from jlcpcb they = will add tariffs to the order.  I thought tariff, but I evidently = didn=E2=80=99t type it.

 

I found a bare s100 = backplane in my garbage you can have.  I tried to give older = versions away on the s100 forum somewhere, but nobody wanted = it.

I saw that I have some bare of the newer blue = version of my reproduction SSM boards but didn=E2=80=99t look to see = what they were.  Probably cpu and memory.. maybe the video card = too.  But I would have to charge you for those, I need to look up = how much they cost me but probably $15 each all said and done.  = They were before tariffs.

 

That=E2=80=99s funny, = I don=E2=80=99t see any memory boards on my website for download.  = Maybe the ones in the pile I have are just video and cpu=E2=80=A6 I will = look later today when I go down there.

 

Regards

craig

 

From:<= /b> = SBC-85 <craig@sbc-85.com> =
Sent: Tuesday, October 28, 2025 7:21 PM
To: adamsgl@cinci.rr.com
Subje= ct: Re: nibbler sytem

 

Hi = George,

I like the CB1A I = recreated because it has a serial port and can be used as a single board = computer.

 

 

I = will look to see if I have a bare board.  I think I have a bare = backplane. 

If you = order from jlcpcb they directly add them to the = order.

 

Regards

Craig

 

On Oct 28, 2025, at 5:36=E2=80=AFPM, adamsgl@cinci.rr.com = wrote:

=EF=BB=BF

=

Craig,

 

Thanks for posting = the project code, loading the code now, looking forward to working with = the new version.

 

I wanted to ask about = another one of your projects. What are you using for the s100 cpu board? = It appears that it may be the workalike for the ssm cb1/cb1a, and the = cb1 a confidence test code.

I have been looking = for a s100 cpu board and backplane on ebay but found nothing I am = interested in that doesn=E2=80=99t cost a = fortune.

 

Can you suggest a = board or is the ssm board and backplane you created the best solution? = It seems to be the best, as most of the ebay hardware is lacking on the = documentation side.

 

I see you have the = build files available, so I can try to find a us based manufacturer to = make them (I don=E2=80=99t want to get involved with the tariffs that = are imposed buying out of the country).

 

The S100 systems are = where I learned assembly language, without an assembler. That=E2=80=99s = why I started with your SBC-85 and STD bus cpu cards. =

 

Thanks = Again.

 

Regards,

 

George

 

From:<= /b> craig@sbc-85.com <craig@sbc-85.com> =
Sent: Tuesday, October 28, 2025 3:47 PM
To: adamsgl@cinci.rr.com
Subje= ct: RE: nibbler sytem

 

Hi George, I have put v017 on the project = page.  Please let me know if there are any issues.  = Thanks

 

 

From:<= /b> adamsgl@cinci.rr.com <adamsgl@cinci.rr.com> =
Sent: Tuesday, October 28, 2025 6:16 AM
To: = 'SBC-85' <craig@sbc-85.com>
Subject:<= /b> RE: nibbler sytem

 

Craig,

 

Just watched your 145 = video on the nibbler wrap up. Nice addition to the monitor the E = command. Looking forward to running this version on my system. The = project site doesn=E2=80=99t have the code yet. It has 0.1.6.b which = doesn=E2=80=99t have the assembler command.

 

This is a great = series and I continue to learn about the processor and writing codefor = it.

 

Any idea what = processor you will be looking at for your next series?? (8052, 1802, or = something else?). Looking forward to what ever you decide to = explore.

 

Thanks Again for the = great work.

 

George

 

 

From:<= /b> = SBC-85 <craig@sbc-85.com> =
Sent: Sunday, October 26, 2025 1:01 PM
To: adamsgl@cinci.rr.com
Subje= ct: Re: nibbler sytem

 

Hi = George, I saw the tindie order, thanks

 

Somewhere I set aside the last nibbler Ram board for = you, but I don=E2=80=99t remember sending it. So I will mail it = also. 

 

On Oct 25, 2025, at 11:13=E2=80=AFAM, adamsgl@cinci.rr.com = wrote:

=EF=BB=BF

=

Craig,

 

Very nice addition to = the monitor. This makes it easy to code on the fly and not require the = assembler for testing.

 

Looking forward to = adding this to what I have.

 

Just reviewed your = SBC-85 cassette interface video, and that peaked my interest, so I will = probably try to get the board from your tindie site today. Another = project to put on the to-work-on later this winter, If only to = understand how it works.

 

Regards,

 

George

 

 

 

From:<= /b> craig@sbc-85.com <craig@sbc-85.com> =
Sent: Friday, October 24, 2025 8:31 PM
To: adamsgl@cinci.rr.com
Subje= ct: RE: nibbler sytem

 

Snip from user=E2=80=99s = guide

 

From:<= /b> craig@sbc-85.com <craig@sbc-85.com> =
Sent: Friday, October 24, 2025 4:41 PM
To: = 'adamsgl@cinci.rr.com' <adamsgl@cinci.rr.com>
S= ubject: RE: nibbler sytem

 

Hi George,

 

A taste of the new = =E2=80=98E=E2=80=99 command to enter instructions as mnemonic and = operand. 

Includes a .DA pseudo opcode to enter ascii = directly and a .DB to enter hex bytes.

 

<image001.png>

 

From:<= /b> adamsgl@cinci.rr.com <adamsgl@cinci.rr.com> =
Sent: Wednesday, October 22, 2025 1:45 PM
To: = 'SBC-85' <craig@sbc-85.com>
Subject:<= /b> nibbler sytem

 

Craig,

 

Finally got most of = the parts for the ram/rom boards.

<image002.png>

 

Everything works = great!

 

Backplane only has 3 = connectors, but I have enough to fill out as = needed.

 

I wish I had put zif = sockets on the nibbler board, to swap in/out nibble basic eproms, but = this can be fixed with a normal socket under a zif. (maybe another = nibbler board just for nibble basic is in order)

 

Thanks Again for all = your help and work on these.

 

Regards,

 

George

 

 

 

 

V= irus-free.www.avast.com

 

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