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PAL 6502 computer
1–30 of 273
Happy hacking 6502!
------------------------------
------------------
https://github.com/netzherpes
https://github.com/w4jbm/PAL-1
-6502-SBC/
https://github.com/fishhack66/
PAL-1-Stuff/
https://decuser.github.io/pal-
1/
http://retro.hansotten.nl/
https://www.thingiverse.com/th
ing:4817583
https://www.thingiverse.com/
thing:6459439
&
http://pal.aibs.ws
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Michael McLaren
, …
Stefan S
24
11:43 AM
Unusual KIM-1 Memory Design Question
The questions was asked before and answered in a bit more detail, he is using Excel to create this
unread,
Unusual KIM-1 Memory Design Question
The questions was asked before and answered in a bit more detail, he is using Excel to create this
11:43 AM
GN Liu
,
Michael Doornbos
2
Apr 24
Message from SF-Express about shipping to U.S.
It's a shame it's not easier to be a distributor. Would make this a little easier to navigate
unread,
Message from SF-Express about shipping to U.S.
It's a shame it's not easier to be a distributor. Would make this a little easier to navigate
Apr 24
Jeremy Starcher
, …
GN L
5
Apr 18
DIY Pal-2 adaptor board
Hi John, Any USB-C data cable will be OK. Some cables that come with cellphones might be charge-only
unread,
DIY Pal-2 adaptor board
Hi John, Any USB-C data cable will be OK. Some cables that come with cellphones might be charge-only
Apr 18
Kande Laber
, …
Hans Otten
10
Apr 5
Timer interrupt line 6530 vs 6532?
As /IRQ and PB7 are separate with the 6532 you can build a working "First-Book-of-KIM-1"-
unread,
Timer interrupt line 6530 vs 6532?
As /IRQ and PB7 are separate with the 6532 you can build a working "First-Book-of-KIM-1"-
Apr 5
Neil Andretti
, …
Hans Otten
4
Apr 1
EH Basic
It is on the (long) list of things to add to the website. EHBasic is using some KIM-1 TTY tricks my
unread,
EH Basic
It is on the (long) list of things to add to the website. EHBasic is using some KIM-1 TTY tricks my
Apr 1
Hans Otten
,
Kande Laber
17
Mar 30
Q-Chess 1.0
I have no idea. S.Henning being the author is form a remark in the Dutch Club magazine by Fer Weber.
unread,
Q-Chess 1.0
I have no idea. S.Henning being the author is form a remark in the Dutch Club magazine by Fer Weber.
Mar 30
Stefan S
, …
Hans Otten
8
Mar 24
W65C02SXB to PAL-1 conversion
http://retro.hansotten.nl/wp-content/uploads/2021/11/E29qKBEUYBA781I-scaled.jpg For me tape is not
unread,
W65C02SXB to PAL-1 conversion
http://retro.hansotten.nl/wp-content/uploads/2021/11/E29qKBEUYBA781I-scaled.jpg For me tape is not
Mar 24
Stefan S
,
Hans Otten
3
Mar 24
PAL-1 what software makes use of the 2nd RIOT
As already mentioned the IO would be there in opposite to KIM-1 even with a working PB6. More
unread,
PAL-1 what software makes use of the 2nd RIOT
As already mentioned the IO would be there in opposite to KIM-1 even with a working PB6. More
Mar 24
Hans Otten
, …
GN Liu
9
Mar 14
Comal for the KIM-1 (and clones
I have now heard of COMAL running on a PAL-1 (Nils) and PAL-2 (Nlis and John). On a PAL-2 configure
unread,
Comal for the KIM-1 (and clones
I have now heard of COMAL running on a PAL-1 (Nils) and PAL-2 (Nlis and John). On a PAL-2 configure
Mar 14
Kande Laber
,
Hans Otten
7
Mar 13
MICRO ADE on PAL-1
Many thanks for your answer and BTW for your effort to maintain this code. After having soldered my
unread,
MICRO ADE on PAL-1
Many thanks for your answer and BTW for your effort to maintain this code. After having soldered my
Mar 13
GN Liu
, …
Kande Laber
41
Mar 12
PAL-2 daughter board and expansion board physical design
Very creative gadgets, Dimitri!!! On Wednesday, March 12, 2025 at 12:32:29 AM UTC+8 kande2...@gmail.
unread,
PAL-2 daughter board and expansion board physical design
Very creative gadgets, Dimitri!!! On Wednesday, March 12, 2025 at 12:32:29 AM UTC+8 kande2...@gmail.
Mar 12
Kande Laber
, …
John Kennedy
6
Mar 5
KIM-1 "Programming Card"?
Great idea! On Wednesday, March 5, 2025 at 8:42:22 AM UTC+1 johntk...@gmail.com wrote: I re-made a
unread,
KIM-1 "Programming Card"?
Great idea! On Wednesday, March 5, 2025 at 8:42:22 AM UTC+1 johntk...@gmail.com wrote: I re-made a
Mar 5
Neil Andretti
, …
GN Liu
3
Feb 26
Retro feeling for your terminal
The scan lines are cool!! By the way, Swordfish is a very good movie. On Sunday, February 23, 2025 at
unread,
Retro feeling for your terminal
The scan lines are cool!! By the way, Swordfish is a very good movie. On Sunday, February 23, 2025 at
Feb 26
Kande Laber
,
GN Liu
2
Feb 26
PAL-1 availability
The PAL-1 will be available on March. On Tuesday, February 25, 2025 at 8:30:57 PM UTC+8 kande2...@
unread,
PAL-1 availability
The PAL-1 will be available on March. On Tuesday, February 25, 2025 at 8:30:57 PM UTC+8 kande2...@
Feb 26
Jeremy Starcher
, …
Hans Otten
9
Feb 25
PAL-2 - [ST] not working
Chalk it up to another great case of Jeremy being blind. A cold solder joint is the cause of many
unread,
PAL-2 - [ST] not working
Chalk it up to another great case of Jeremy being blind. A cold solder joint is the cause of many
Feb 25
Hans Otten
, …
GN Liu
8
Feb 21
KIM-1 first version acquired
One of the documents is the First Edition of the KIM-1 User manual. Only the Second Edition is now
unread,
KIM-1 first version acquired
One of the documents is the First Edition of the KIM-1 User manual. Only the Second Edition is now
Feb 21
Kande Laber
,
Hans Otten
2
Feb 21
PAL-1 and RS232 voltages levels
Welcome! The PAL-1 (and the Micro-KIM and such) cheat at RS-232 levels. The standard has -3V to -25V
unread,
PAL-1 and RS232 voltages levels
Welcome! The PAL-1 (and the Micro-KIM and such) cheat at RS-232 levels. The standard has -3V to -25V
Feb 21
Jeremy Starcher
,
GN Liu
6
Feb 20
PAL-2 Dip Switches / Memory Config
Thank you for confirming that is the expected behavior On Wednesday, February 19, 2025 at 9:49:44 PM
unread,
PAL-2 Dip Switches / Memory Config
Thank you for confirming that is the expected behavior On Wednesday, February 19, 2025 at 9:49:44 PM
Feb 20
Hans Otten
, …
Jimmy Ipock
43
Feb 18
PAL-2 is available!
Added a switch to switch between serial and keyboard. Added an rgb led to show the mode and also
unread,
PAL-2 is available!
Added a switch to switch between serial and keyboard. Added an rgb led to show the mode and also
Feb 18
Hans Van Slooten
,
Hans Otten
2
Feb 18
KIM-1 Simulator on macOS
Good to see! I know the Simulator, as it is a Lazarus/Freepascal program should run on any platform
unread,
KIM-1 Simulator on macOS
Good to see! I know the Simulator, as it is a Lazarus/Freepascal program should run on any platform
Feb 18
Hans Van Slooten
, …
John Calhoun
7
Feb 18
New PAL-1 case
Yes, It's a Pi 3 running Raspberry Pi OS Lite to run the keyboard and monitor. I soldered a short
unread,
New PAL-1 case
Yes, It's a Pi 3 running Raspberry Pi OS Lite to run the keyboard and monitor. I soldered a short
Feb 18
Neil Andretti
, …
Hans Otten
27
Feb 18
Tipps for building the PAL-2
Congratulations John! All is well that ends well. On Tuesday, February 18, 2025 at 3:46:02 AM UTC+1
unread,
Tipps for building the PAL-2
Congratulations John! All is well that ends well. On Tuesday, February 18, 2025 at 3:46:02 AM UTC+1
Feb 18
Neil Andretti
, …
Ronny Ribeiro
8
Feb 15
WOZMON in PAL-2 ROM
Debugging is the greatest adventure! Em sáb., 15 de fev. de 2025 12:43, Hans Otten <h.otten@
unread,
WOZMON in PAL-2 ROM
Debugging is the greatest adventure! Em sáb., 15 de fev. de 2025 12:43, Hans Otten <h.otten@
Feb 15
John Kennedy
, …
GN Liu
4
Feb 15
PAL-II Loading speed recommendations?
Thanks! 9600 is certainly noticeably faster when using BASIC and so on! On Thursday, February 13,
unread,
PAL-II Loading speed recommendations?
Thanks! 9600 is certainly noticeably faster when using BASIC and so on! On Thursday, February 13,
Feb 15
Raaalf
, …
GN Liu
19
Feb 8
Problem with "ROM BOARD V 1.2" - EEPROM programmed correctly?
Hi Ralf, Sorry about the issue, old chips occasionally fail unexpectedly. I can send you a
unread,
Problem with "ROM BOARD V 1.2" - EEPROM programmed correctly?
Hi Ralf, Sorry about the issue, old chips occasionally fail unexpectedly. I can send you a
Feb 8
John Calhoun
, …
Hans Otten
10
Feb 7
PAL-2 built, running program causes LEDs to blank out
Folks, remember You have to fill in the NMI vector and CLD after Power on and Reset before you do
unread,
PAL-2 built, running program causes LEDs to blank out
Folks, remember You have to fill in the NMI vector and CLD after Power on and Reset before you do
Feb 7
Wade
,
Hans Otten
2
Jan 27
TTL conection
That is expected behaviour. The LED displays go out then. When that jumper is installed the KIM-1
unread,
TTL conection
That is expected behaviour. The LED displays go out then. When that jumper is installed the KIM-1
Jan 27
Bob Bird
,
GN Liu
2
Jan 18
Keyboard buttons
The switches used in the PAL-1 are through hole 4-pin 12x12 tactile push switches with 8mm-high stem.
unread,
Keyboard buttons
The switches used in the PAL-1 are through hole 4-pin 12x12 tactile push switches with 8mm-high stem.
Jan 18
John Kennedy
, …
Ryan Roth
9
Jan 16
TVT-6 - a Video Output for KIM-1
I love those old books. I have Don's TV Typewriter book, and it's a great way to understand
unread,
TVT-6 - a Video Output for KIM-1
I love those old books. I have Don's TV Typewriter book, and it's a great way to understand
Jan 16
Greelt
,
GN Liu
4
Jan 12
Cassette recorder
There is no difference between stereo or mono cable; everything outputs in mono. I guess Nils will
unread,
Cassette recorder
There is no difference between stereo or mono cable; everything outputs in mono. I guess Nils will
Jan 12