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PAL 6502 computer
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Welcome to the PAL-1 SBC users' group!
Happy hacking 6502!
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Magnus Olsson
, …
Jim McClanahan
4
5:43 PM
Tweak pins on ROM card
I just replied to Jim's post, but it never appeared here, so perhaps I sent it as a private
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Tweak pins on ROM card
I just replied to Jim's post, but it never appeared here, so perhaps I sent it as a private
5:43 PM
Magnus Olsson
,
GN L
3
8:20 AM
Schematics
Thank you! On Monday, May 16, 2022 at 11:55:39 AM UTC+2 liuga...@gmail.com wrote: http://pal.aibs.ws/
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Schematics
Thank you! On Monday, May 16, 2022 at 11:55:39 AM UTC+2 liuga...@gmail.com wrote: http://pal.aibs.ws/
8:20 AM
Will Senn
, …
GN Liu
10
7:31 AM
7-segment LED's don't light up
Recently, some messages are marked as "pending" by google groups, and I need to approve
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7-segment LED's don't light up
Recently, some messages are marked as "pending" by google groups, and I need to approve
7:31 AM
Jeremy Starcher
,
Neil Andretti
5
May 15
Digital Tape Recorder case available
If you look at the code, the original idea was the print the icons ON the buttons, but my printer
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Digital Tape Recorder case available
If you look at the code, the original idea was the print the icons ON the buttons, but my printer
May 15
Will Senn
, …
Jim McClanahan
4
May 15
Build Instructions and tips
One thing I always do is clean the flux off the board that is there from the solder "tinning
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Build Instructions and tips
One thing I always do is clean the flux off the board that is there from the solder "tinning
May 15
Hans Van Slooten
, …
GN Liu
8
May 14
Problems with build
From my eyes, the front side seems normal. The back side looks dirty ;) I think you can check all the
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Problems with build
From my eyes, the front side seems normal. The back side looks dirty ;) I think you can check all the
May 14
John Kuhn
,
Magnus Olsson
4
May 12
Newbie question
Problem solved. I need to read the manual. Thanks. On Thu, May 12, 2022 at 3:16 PM John Kuhn <
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Newbie question
Problem solved. I need to read the manual. Thanks. On Thu, May 12, 2022 at 3:16 PM John Kuhn <
May 12
Magnus Olsson
, …
Jim McClanahan
19
May 12
How "vintage" is the PAL-1?
There is a program called proc_kim on my GitHub site that uses the different behavior of a NOP
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How "vintage" is the PAL-1?
There is a program called proc_kim on my GitHub site that uses the different behavior of a NOP
May 12
Magnus Olsson
,
GN L
5
May 10
Bus connectors on expansion cards
A 2 row, 9 position with 2.54mm pitch female header can be use. I recommend the header with 90º
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Bus connectors on expansion cards
A 2 row, 9 position with 2.54mm pitch female header can be use. I recommend the header with 90º
May 10
Magnus Olsson
, …
Will Senn
13
May 8
PAL-1 power supply
The current rating (1A vs 2A) is the maximum current it can supply, so having one rated at more than
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PAL-1 power supply
The current rating (1A vs 2A) is the maximum current it can supply, so having one rated at more than
May 8
Will Senn
, …
Jim McClanahan
4
May 8
7 segment leds
I'll leave it on, for the time being :). When the aesthetic bothers me enough to remove it, I
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7 segment leds
I'll leave it on, for the time being :). When the aesthetic bothers me enough to remove it, I
May 8
Will Senn
,
GN L
3
May 7
7805 solder to pad?
Got it. Thanks! On Saturday, May 7, 2022 at 9:14:45 AM UTC-5 liuga...@gmail.com wrote: I didn't
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7805 solder to pad?
Got it. Thanks! On Saturday, May 7, 2022 at 9:14:45 AM UTC-5 liuga...@gmail.com wrote: I didn't
May 7
Magnus Olsson
, …
GN L
12
May 7
Second RIOT kit - two questions
You're right, you need some wire modifications on PAL-1 board to use that address space. The
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Second RIOT kit - two questions
You're right, you need some wire modifications on PAL-1 board to use that address space. The
May 7
Will Senn
, …
GN L
11
May 6
Got it- where's the instructions?
Soldered up the motherboard, then the riot expansion, on the the PAL-1. Sheesh, that motherboard had
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Got it- where's the instructions?
Soldered up the motherboard, then the riot expansion, on the the PAL-1. Sheesh, that motherboard had
May 6
Will Senn
, …
Magnus Olsson
6
May 2
Character ROM
Cool. That'll work, fine, but the banner will look like a giant LED :). On Monday, May 2, 2022 at
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Character ROM
Cool. That'll work, fine, but the banner will look like a giant LED :). On Monday, May 2, 2022 at
May 2
Michael Doornbos
, …
Hans Otten
5
May 2
World’s Worst Paper Tape Reader
Yep. I'll get back to the project a little later. Working well enough for now. -- Michael
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World’s Worst Paper Tape Reader
Yep. I'll get back to the project a little later. Working well enough for now. -- Michael
May 2
Will Senn
, …
Jim McClanahan
6
Apr 30
Cassette Interface
For tinkering with audio on my radios, I use Audacity and it works pretty good. With the radios,
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Cassette Interface
For tinkering with audio on my radios, I use Audacity and it works pretty good. With the radios,
Apr 30
Will Senn
, …
Neil Andretti
6
Apr 29
Getting Started
Good morning Will, I've set up a little link list (as a reminder for myself where to search)
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Getting Started
Good morning Will, I've set up a little link list (as a reminder for myself where to search)
Apr 29
Marco Rey y Sander
, …
Will Senn
16
Apr 28
SW1 (SWITCH ON <> SST) Strange behavior
After about the 10th time that I wondered if things were working at all. I stooped to a sticky note.
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SW1 (SWITCH ON <> SST) Strange behavior
After about the 10th time that I wondered if things were working at all. I stooped to a sticky note.
Apr 28
Jeremy Starcher
, …
Michael Doornbos
3
Apr 20
You guys may find this interesting ... fully expanded KIM-1 (not mine, alas)
I can't believe how expensive these are now. I still want one bough ;) -- Michael Doornbos
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You guys may find this interesting ... fully expanded KIM-1 (not mine, alas)
I can't believe how expensive these are now. I still want one bough ;) -- Michael Doornbos
Apr 20
Jeremy Starcher
,
GN L
2
Apr 17
How does KIM-1 addressing work?
Hi Jeremy, The key is on the RAM expansion card… The RAM card has a 74ls145, just like the ROM card,
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How does KIM-1 addressing work?
Hi Jeremy, The key is on the RAM expansion card… The RAM card has a 74ls145, just like the ROM card,
Apr 17
Hendrik-Jan Megens
, …
Neil Andretti
16
Apr 17
PAL-1 photo thread: Show us your kits and setup!
Good job! I just used the 3D printed Keycaps of the file. Btw: John also created some printable
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PAL-1 photo thread: Show us your kits and setup!
Good job! I just used the 3D printed Keycaps of the file. Btw: John also created some printable
Apr 17
Ronny Ribeiro
, …
GN Liu
5
Apr 14
Setting Minicom up on linux...
Hi Ronny, Congratulations and happy hacking 6502~ and the duplicated post is deleted. Best, Liu On
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Setting Minicom up on linux...
Hi Ronny, Congratulations and happy hacking 6502~ and the duplicated post is deleted. Best, Liu On
Apr 14
Magnus Olsson
, …
Jim McClanahan
9
Apr 9
Two questions about the ROM board
I shaved a lot of stuff out of JMON. Some I couldn't get to work right (like the memory test) and
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Two questions about the ROM board
I shaved a lot of stuff out of JMON. Some I couldn't get to work right (like the memory test) and
Apr 9
Magnus Olsson
, …
GN L
5
Apr 4
Switching between TTY and keypad/display
They are 2.54mm pitch holes, any small switch with 2.54mm pitch will work. > On Apr 4, 2022, at 5:
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Switching between TTY and keypad/display
They are 2.54mm pitch holes, any small switch with 2.54mm pitch will work. > On Apr 4, 2022, at 5:
Apr 4
Magnus Olsson
, …
GN L
5
Apr 3
Purpose of D1 in PAL-1
Very useful investigation! I also think this part of circuit is simply copied from the original KIM-1
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Purpose of D1 in PAL-1
Very useful investigation! I also think this part of circuit is simply copied from the original KIM-1
Apr 3
Neil Andretti
,
GN L
2
Mar 31
Phonebook 2.0
Now with an interesting cover image!! Thanks Nils! > On Mar 31, 2022, at 6:17 PM, 'Neil
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Phonebook 2.0
Now with an interesting cover image!! Thanks Nils! > On Mar 31, 2022, at 6:17 PM, 'Neil
Mar 31
Magnus Olsson
, …
GN L
8
Mar 30
Finished!
I'm pleased to report that, despite some ominous reports here on this group, I got serial
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Finished!
I'm pleased to report that, despite some ominous reports here on this group, I got serial
Mar 30
GN L
, …
Michael Doornbos
27
Mar 23
PAL-1 optimization thought
Thanks Michael!!! Hope you will like the PAL-2 too! > On Mar 24, 2022, at 2:04 AM, Michael
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PAL-1 optimization thought
Thanks Michael!!! Hope you will like the PAL-2 too! > On Mar 24, 2022, at 2:04 AM, Michael
Mar 23
Jim McClanahan
, …
Michael Doornbos
5
Mar 23
Starship on the LED Gadget
This is great. I've got the 4 in 1 gadgets in my cart now ;-) On Tuesday, March 22, 2022 at 9:40:
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Starship on the LED Gadget
This is great. I've got the 4 in 1 gadgets in my cart now ;-) On Tuesday, March 22, 2022 at 9:40:
Mar 23