Apple II

ITT 2020 specific softwares

Submitted by Ben_Aveline on June 6, 2024 - 4:30am

Hello,

A few month ago I bought a nice ITT 2020 for cheap. It wasn't working. I cleaned the rom's leg (very corroded) and checked the whole ram (had to replace 6 bad chips).

Now it's back to life ! (except for the speaker, I still have to figure it out)

I managed to successfuly run a couple apple 2 softwares from a floppyEmu, but some other just freeze the computer or run but with graphic glitches.

I know there's been a few specific sofwares for the ITT 2020 but I can't manage to find a source for them, either as cassette dump or disk dump.

Forums: 
Apple II

Apple IIGS Monitor for sale?

Submitted by Austin_iigs on June 5, 2024 - 7:44pm

It's super hard to find a working AppleColor RGB Monitor Model 6014 online for purchase, so I was wondering if anyone here would be willing to sell me their working monitor? Please don't tell me to get a VGA/HDMI convertor.

Forums: 
Apple II

IIGS not resetting

Submitted by pcbishaf on June 3, 2024 - 4:24pm
pin 16 on ADB resets but does not show up on pin 49. Therefore none of the chips needing a reset.L startup.
Forums: 
Apple II

Apple Graphics Tablet Interface Card in IIGS?

Submitted by old_hitech on June 2, 2024 - 9:59pm

Has anyone ever used an Apple Graphics Tablet and its interface card in an Apple IIGS? 

Forums: 
Apple II

Apple II DISK Emulator using STM32

Submitted by VIBR on June 2, 2024 - 3:02pm

Hello, 

I know there are a lot of project available using SD or emulating disk drive. 

I am trying to make a new one available to the community, stable and cheap. 

I have started a new project to emulate the SDISK II using a STM32 bluepill and a SDCard. 

Once it is fuly working I will add a 0.96 screen, 3 buttons and make a dedicated PCB everything for less that 10$.

 

I am almost done with the prototype, but I need to debug a bit what the Apple II is getting from the stm32.

Forums: 
Apple II

Apple 2e | issue with prompt and logo

Submitted by pch on June 2, 2024 - 11:52am

Hi all,

I need your advice about this situation.

When the system starts the displayed logo is "Apple è*"  and the prompt is "è" -> see attached images.

But... if I start a program from diskette, the program works... if I go back to the system, the prompt is not what I expect "]"

 

What's wrong?

 

Some advice?

 

Grazie

Joseph

Forums: 
Apple II

Apple IIGS (ROM1) and AppleColor Monitor 100

Submitted by Older Pete on June 1, 2024 - 3:40pm

Hello! I'm having an issue with getting my AppleColor Monitor 100 to work properly with my stealth upgraded ROM1 Apple IIGS as docuemented to various degrees in these links:

https://comp.sys.apple2.narkive.com/2Rp6gB4N/applecolor-monitor-100-with-the-iigs

https://tinkerdifferent.com/threads/stealth-iigs-question.1740/

https://68kmla.org/bb/index.php?threads/apple-iigs-stealth-upgrade.42503/

Please note that this AppleColor Monitor 100 works as expected when connected to an Apple IIe with offical Apple RGB card:

Forums: 
Apple II

Apple ][+ Cassette in

Submitted by skipper_martin on May 30, 2024 - 2:10pm

Any help appreciated, first time posting. Feel like I've tried everything under the sun to get the "cassette in" on my Apple ][+ to fully work. I CAN get low fi files from http://asciiexpress.net/ to work, so the signal is getting to the Apple. On their site's README it says "If HIFI does not work for you, then it never will on that system, use 8KFI."  That's a pretty vague stattement, but opens up a question. Has ANYONE gotten a ][+ to accept HIFI? My system won't accept 8KFI either.

Forums: 
Apple II

Need some help on misbehaving II single board keyboard

Submitted by jeff d on May 27, 2024 - 9:52pm

Tyring to repair a nearly working keyboard but ran into a problem where the semi colon key does a double press when pressed.

I've looked at the C4 which is the one that controls the debounce and found a charge time that's 50% of what's specificed in the Apple II Circuit description where it's stated the charge is 8ms, but this charge is only 4ms which may be causing the problem as a second poll happens too quickly. Right?

 

Forums: 
Apple II

Is it worth it to get a modem on my Apple IIGS?

Submitted by Austin_iigs on May 27, 2024 - 12:10pm

So, I thought that it'd be cool to buy a WiModem 232 Pro and a Apple 8-Pin Mini-DIN to DB25 Male Modem Cable to connect to my Apple IIGS. I would most likely use it for BBSes, but I'm not really sure if it's worth it -- what do you guys think? Are there any other uses for a WiModem?

Forums: 
Apple II

Pages

Subscribe to Apple II