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locked
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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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Help to get my elf2k up to elf/os 0.3.2 12 messages
#ELF2K
#Elf-OS
I am still at 030 and I see so many peeps here at 032. Not sure how I missed this but Ill try to update my os on my second CF drive today. You have to have 2 or more CF drives really. I looked into Mi
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I am still at 030 and I see so many peeps here at 032. Not sure how I missed this but Ill try to update my os on my second CF drive today. You have to have 2 or more CF drives really. I looked into Mi
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By Saturn5tony
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Strings in A18 and "cal" program
>Wayne Hortensius >cal: a Linux-style calendar utility for Elf/OS >Mar 1 #31579 > >I liked A18 because a) it was the first 1802 assembler I stumbled across >and b) I already had it working well with G
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>Wayne Hortensius >cal: a Linux-style calendar utility for Elf/OS >Mar 1 #31579 > >I liked A18 because a) it was the first 1802 assembler I stumbled across >and b) I already had it working well with G
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By thinkpast
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cal: a Linux-style calendar utility for Elf/OS 18 messages
My first attempt at a non-trivial (more than reading the toggle switches and blinking the Q led) 1802 program (and also my first attempt at any Elf/OS programming) is working to the point where I thou
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My first attempt at a non-trivial (more than reading the toggle switches and blinking the Q led) 1802 program (and also my first attempt at any Elf/OS programming) is working to the point where I thou
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By Wayne Hortensius
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Updated Wiki Page: Elf OS 0.3.2 Cheat Sheet
#wiki-notice
The wiki page Elf OS 0.3.2 Cheat Sheet has been updated by Ham Radio <bernard.murphy@...>. Reason: Update list to include calendar program Compare Revisions
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The wiki page Elf OS 0.3.2 Cheat Sheet has been updated by Ham Radio <bernard.murphy@...>. Reason: Update list to include calendar program Compare Revisions
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By
cosmacelf@groups.io Notification
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Boot Circuit - Correction 21 messages
#memory
An error in the previous post was brought to mi attention by another user. -Thanks again! This is the memory circuit in my system. It is added onto a Super Elf. View the drawing in MS Paint or Photo V
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An error in the previous post was brought to mi attention by another user. -Thanks again! This is the memory circuit in my system. It is added onto a Super Elf. View the drawing in MS Paint or Photo V
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By cmdrcosmac
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Disktool 3 messages
Hi Mike, Maybe you have described this and I missed it. Where are the bits that chmod manipulates? Disktool is getting kinda outdated since it doesn't support this. Best regards, Bo/
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Hi Mike, Maybe you have described this and I missed it. Where are the bits that chmod manipulates? Disktool is getting kinda outdated since it doesn't support this. Best regards, Bo/
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By BorutK
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FPGA 1802, contact pls 2 messages
I'd like to contact the developer of an FPGA implementation of the 1802, Winston Lowe. His work is on github, but I don't care to join the group just to contact someone there. Same applies to a hackst
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I'd like to contact the developer of an FPGA implementation of the 1802, Winston Lowe. His work is on github, but I don't care to join the group just to contact someone there. Same applies to a hackst
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By thinkpast
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File /Ipso Facto/IF 1-49 table of contents.txt uploaded 2 messages
#file-notice
The following files have been uploaded to the Files area of the cosmacelf@groups.io group. /Ipso Facto/IF 1-49 table of contents.txt By: Saturn5tony <saturn5tony@...> Description: Table of contetnts f
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The following files have been uploaded to the Files area of the cosmacelf@groups.io group. /Ipso Facto/IF 1-49 table of contents.txt By: Saturn5tony <saturn5tony@...> Description: Table of contetnts f
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By
cosmacelf@groups.io Notification
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File /Andrew's/QUEST SUPER ELF MEMORY EXPANSION.png uploaded
#file-notice
The following files have been uploaded to the Files area of the cosmacelf@groups.io group. /Andrew's/QUEST SUPER ELF MEMORY EXPANSION.png By: Andrew Wasson <awasson@...> Description: Super ELF Expansi
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The following files have been uploaded to the Files area of the cosmacelf@groups.io group. /Andrew's/QUEST SUPER ELF MEMORY EXPANSION.png By: Andrew Wasson <awasson@...> Description: Super ELF Expansi
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By
cosmacelf@groups.io Notification
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#rca1802 My quick test setup 17 messages
#rca1802
After being introduced to the CDP1802 via the GB3US repeater controller and spending time reading about some of the projects here, I realised I've missed out on all this COSMAC fun and I need to learn
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After being introduced to the CDP1802 via the GB3US repeater controller and spending time reading about some of the projects here, I realised I've missed out on all this COSMAC fun and I need to learn
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By Nick B.
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Giving it up ... 2 messages
Hello! I built my first Elf back in 1977, but didn't go further with that project. But some 10-15 years ago I decided to have another go, got two Membership cards and started to build a SWedish Elf bu
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Hello! I built my first Elf back in 1977, but didn't go further with that project. But some 10-15 years ago I decided to have another go, got two Membership cards and started to build a SWedish Elf bu
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By Magnus Kesselmark
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Anyone done a modern memory makeover for Quest Super Elf? 78 messages
Looking for a cookbook approach (or close approximation) to going from 1/4 k up to 32k or preferably 64k of ram or ram/eprom-eeprom combo. Looking for the easiest way possible in the way of a build, s
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Looking for a cookbook approach (or close approximation) to going from 1/4 k up to 32k or preferably 64k of ram or ram/eprom-eeprom combo. Looking for the easiest way possible in the way of a build, s
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By Hank Riley
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Undocumented instructions in 1804/5/6 5 messages
Hi all, I'm just getting my feet wet with the 18xx. In the course of learning about all the variations I had a question. The 1804/5/6 instructions use the otherwise "unused" opcode (0x68) to start all
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Hi all, I'm just getting my feet wet with the 18xx. In the course of learning about all the variations I had a question. The 1804/5/6 instructions use the otherwise "unused" opcode (0x68) to start all
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By wrcooke@...
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NOM Card For The 1802 3 messages
#Electronics
I have been looking for months now reading some old magazines like Radio Electronics and Popular Electronics (as well as some Byte, Kilobaud, etc as well) and found an article I never saw before. (yea
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I have been looking for months now reading some old magazines like Radio Electronics and Popular Electronics (as well as some Byte, Kilobaud, etc as well) and found an article I never saw before. (yea
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By Saturn5tony
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RCA SSD-280 LSI Products Databook 2 messages
While looking for something else I came across this manual on bitsavers. Wonder if it should be on the site with other 18xx documents? http://bitsavers.trailing-edge.com/components/rca/cosmac/SSD-280_
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While looking for something else I came across this manual on bitsavers. Wonder if it should be on the site with other 18xx documents? http://bitsavers.trailing-edge.com/components/rca/cosmac/SSD-280_
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By wrcooke@...
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Classic BASIC book gets a 2021 update 8 messages
Hi all, Hackaday had a story today on bringing one of the classic books of BASI programs from the 1970's into the present. https://hackaday.com/2021/02/26/the-famous-basic-computer-games-book-gets-a-2
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Hi all, Hackaday had a story today on bringing one of the classic books of BASI programs from the 1970's into the present. https://hackaday.com/2021/02/26/the-famous-basic-computer-games-book-gets-a-2
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By Lee Hart
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INS8073 29 messages
Hi, Some weeks back, there was a discussion about National Semiconductor micros. Since I never used them in my work designs, I decided to build one for myself. I was able to track down some INS8060 an
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Hi, Some weeks back, there was a discussion about National Semiconductor micros. Since I never used them in my work designs, I decided to build one for myself. I was able to track down some INS8060 an
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By Peter Renaud
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Replacement for Rc/Asm 45 messages
As my projects for the 1802 become larger and more complex, I am finding that I need more capabilities than what Rc/Asm is capable of, as such I have decided to write a new assembler system for the 18
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As my projects for the 1802 become larger and more complex, I am finding that I need more capabilities than what Rc/Asm is capable of, as such I have decided to write a new assembler system for the 18
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By Mike Riley
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Suggestions for EEPROM programmer 21 messages
Hi all, I've been using a Willem PCB3 dual power programmer for burning 27Cxxx chips for a long time and it works perfectly for that but it doesn't seem to want to program my AT28C256. My Willem Progr
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Hi all, I've been using a Willem PCB3 dual power programmer for burning 27Cxxx chips for a long time and it works perfectly for that but it doesn't seem to want to program my AT28C256. My Willem Progr
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By Andrew Wasson
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