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Forum FAQ and Guidelines
#ThisGroup
This group has a FAQ and guidelines page of sorts on this group's Wiki at: *https://groups.io/g/cosmacelf/wiki/CosmacElfGroupFaq* Email users will find a link to this in the footer area of posted mess
This group has a FAQ and guidelines page of sorts on this group's Wiki at: *https://groups.io/g/cosmacelf/wiki/CosmacElfGroupFaq* Email users will find a link to this in the footer area of posted messages. To make this document more discoverable for those who use the groups.io web interface, this message is being posted as a "sticky" topic so that it appears at the top of the displayed list of messages.
By
Dave Ruske
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Membership Card electrical issue help
14 messages
I'm not an electrical engineer, and I've had a small issue with this membership card since I purchased the kit about 6 months ago. It's not a biggie, but figuring it out is driving me nuts! Data displ
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I'm not an electrical engineer, and I've had a small issue with this membership card since I purchased the kit about 6 months ago. It's not a biggie, but figuring it out is driving me nuts! Data displ
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By
JohnS
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1802/Mini PIO Board Rev B
4 messages
It's been a while, but I wanted to give an update on my parallel I/O (PIO) board for the 1802/Mini. I was able to debug Rev A of the board and create a new Rev B design. I got the board back from JLCP
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It's been a while, but I wanted to give an update on my parallel I/O (PIO) board for the 1802/Mini. I was able to debug Rev A of the board and create a new Rev B design. I got the board back from JLCP
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By
Tony
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"PicoPrograms" for the 1802
17 messages
I thought it might be fun to collect a series of tiny "PicoPrograms" for the 1802. The idea was inspired by the classic blinking light program along with Lee Hart's 16 byte boot loader and some of the
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I thought it might be fun to collect a series of tiny "PicoPrograms" for the 1802. The idea was inspired by the classic blinking light program along with Lee Hart's 16 byte boot loader and some of the
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By
Bob Kuczewski
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A reminder about trimming your posts
4 messages
It might be a good time to remind posters that it is worth trimming your replies so as to quote previous messages in a thread only when necessary. This has nothing to do with minimizing storage space
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It might be a good time to remind posters that it is worth trimming your replies so as to quote previous messages in a thread only when necessary. This has nothing to do with minimizing storage space
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By
Hank Riley
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1802 based serial speech synthesizer kit fron Netronics
3 messages
Does anyone remember a kit fron Netronics that was based on the 1802 and Votrax SC01 speech chip? You attached to it via serial port. It was in one of the mags of the day but I done remember which. Ei
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Does anyone remember a kit fron Netronics that was based on the 1802 and Votrax SC01 speech chip? You attached to it via serial port. It was in one of the mags of the day but I done remember which. Ei
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By
Richard Megowan
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KiCad Learning Project
226 messages
Bob Kay and I have been discussing the possibility of making a printed circuit board (aka "PCB") for the 1802 in PiLand project. But both of us have fairly minimal experience with PCB design. We were
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Bob Kay and I have been discussing the possibility of making a printed circuit board (aka "PCB") for the 1802 in PiLand project. But both of us have fairly minimal experience with PCB design. We were
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By
Bob Kuczewski
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CyberVision 2001 (1978): ROM Dump and Comprehensive Information
144 messages
Hi all! I stumbled upon this group while investigating 1802 architectures and, in particular, any traces of information about the CyberVision 2001. There were a few scattered posts here years back but
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Hi all! I stumbled upon this group while investigating 1802 architectures and, in particular, any traces of information about the CyberVision 2001. There were a few scattered posts here years back but
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By
Matt Pilz
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DIODE ROM - DISABLE INTERRUPT
5 messages
<https://www.facebook.com/groups/minimalistcomputing/posts/907400200350109/? comment_id=907738670316262¬if_id=1685058506257171¬if_t=feedback_reacti on_generic&ref=notif> https://www.facebook.com
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<https://www.facebook.com/groups/minimalistcomputing/posts/907400200350109/? comment_id=907738670316262¬if_id=1685058506257171¬if_t=feedback_reacti on_generic&ref=notif> https://www.facebook.com
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By
Juergen Pintaske
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KiCad Project ROM using Diodes
Hi all, I have been following the great KiCad Diode ROM project. But not having one of those PCBs will stop you to see and replicate how it all works. Rather than using a PCB, I went for using a Bread
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Hi all, I have been following the great KiCad Diode ROM project. But not having one of those PCBs will stop you to see and replicate how it all works. Rather than using a PCB, I went for using a Bread
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By
Juergen Pintaske
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KiCad Learning Project Diode ROM
35 messages
I have not tried it yet, but if there are issues, an additional transistor to pull the byte line low should solve the problem. Sent: Sunday, April 23, 2023 9:35 PM To: cosmacelf@groups.io Subject: Re:
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I have not tried it yet, but if there are issues, an additional transistor to pull the byte line low should solve the problem. Sent: Sunday, April 23, 2023 9:35 PM To: cosmacelf@groups.io Subject: Re:
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By
Juergen Pintaske
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Seeking suggestions interfacing to MC68882
23 messages
#Pico-Elf-V2
Hello Everyone, I am seeking suggestions and thoughts on a current project. Background: A few months ago there was some discussion about using calculator chips as a math processor. The MM57109 was men
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Hello Everyone, I am seeking suggestions and thoughts on a current project. Background: A few months ago there was some discussion about using calculator chips as a math processor. The MM57109 was men
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By
David Flournoy
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VIPR Emulator - A COSMAC VIP Emulator
2 messages
#CHIP8
#Emulator
#VIP
#rca1802
#Pixie
I would to share this COSMAC VIP emulator I begun developing since last November 2021 (though production admittedly was slow at first due to focus on other projects). I built this emulator to learn mo
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I would to share this COSMAC VIP emulator I begun developing since last November 2021 (though production admittedly was slow at first due to focus on other projects). I built this emulator to learn mo
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By
Joshua Moss
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HUG1802?
11 messages
#History
I recently found out that the Australian 1802-based ETI-660 computer had a New Zealand predecessor/prototype, called HUG1802. However, I can't find much info about it, and neither Emma02 nor MAME seem
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I recently found out that the Australian 1802-based ETI-660 computer had a New Zealand predecessor/prototype, called HUG1802. However, I can't find much info about it, and neither Emma02 nor MAME seem
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By
Tobias V. Langhoff
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Computer Club Meeting in Palatine Illinois on May 6th. 2023 from 11:30 am to 4:30 pm
4 messages
All, Chicago Classic Computing is just a general classic computer club. We welcome all classic computer users. Link: http://chiclassiccomp.org/ Link: https://groups.io/g/chiclassiccomp ChiClqassicComp
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All, Chicago Classic Computing is just a general classic computer club. We welcome all classic computer users. Link: http://chiclassiccomp.org/ Link: https://groups.io/g/chiclassiccomp ChiClqassicComp
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By
johnmarkmelanie@...
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A Literate Assembly Language | Hackaday
6 messages
Uses the 1802 for some examples. https://hackaday.com/2023/05/08/a-literate-assembly-language/ Gary
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Uses the 1802 for some examples. https://hackaday.com/2023/05/08/a-literate-assembly-language/ Gary
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By
Gary Didio
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KiCad Learning Project
2 messages
On Mon, May 8, 2023 at 07:59 AM, Juergen Pintaske wrote: The only wish I would have is: If there is a chance to add a row of 20 pins on each side of the 1802 To have access to the 1802 pins for measur
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On Mon, May 8, 2023 at 07:59 AM, Juergen Pintaske wrote: The only wish I would have is: If there is a chance to add a row of 20 pins on each side of the 1802 To have access to the 1802 pins for measur
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By
Anthony L Hill
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FW: [cosmacelf] KiCad Learning Project
What a great design. I would definitely populate and run a board if available. The only wish I would have is: If there is a chance to add a row of 20 pins on each side of the 1802 To have access to th
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What a great design. I would definitely populate and run a board if available. The only wish I would have is: If there is a chance to add a row of 20 pins on each side of the 1802 To have access to th
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By
Juergen Pintaske
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Three days old and already emulating
3 messages
Had a day off on May 1st and foolishly started coding. I now have a Zwölf emulator that already supports Zwölf's memory model, memory mapped I/O and also can deserialize whatever is going on on the Q
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Had a day off on May 1st and foolishly started coding. I now have a Zwölf emulator that already supports Zwölf's memory model, memory mapped I/O and also can deserialize whatever is going on on the Q
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By
Richard
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TCS151
4 messages
Hi Group, I just stumbled over these old chips from 1979. TCS151 - LOT 2154 - 7912 K I wonder, if anybody here can help to supply a link to a data sheet. Google did not help much. My guess is that the
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Hi Group, I just stumbled over these old chips from 1979. TCS151 - LOT 2154 - 7912 K I wonder, if anybody here can help to supply a link to a data sheet. Google did not help much. My guess is that the
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By
Juergen Pintaske
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