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공지사항

'2021/05/08'에 해당되는 글 1건

  1. 2021.05.08 A2 Turbo (Light version of A2 OverDrive) (1)

Dear Customers and Friends,

I'm making an economical version of the A2 OverDrive accelerator.

Now all functions are working very good.

 

The A2 OverDrive has a lot of features, but a simple one would be a good choice, and a better price would be very helpful for many APPLE II fans.

Among the features of A2 OverDrive, only some of the functions of acceleration and memory cards have been imported.

What are the features?
0) Accelerator for APPLE][ and APPLE //e
1) Accelerates the MAIN and AUX areas
2) Accelerate all BASIC programs
3) MAIN 64KB and AUX 64KB
4) Speed steps from 1Mhz--> 3.58Mhz -->7.16Mhz by external simple toggle switch.

It has full memory so, APPLE][ user no need 16KB memory card with it and virtual 64KB AUX memory can use even on APPLE ][.

I'm hoping for a lot of people using it and then software developers may optimized their new programs for the Accelerator and  smoother graphics and sound could expected.

This card looks similar as under and not very different.

Under screen shot is on APPLE //e

 

Below screen shot is on APPLE ][+ 48K but, became 64KB Main and AUX 64K detected.

Please be aware, APPLE ][+ doesn't have own 80col display function nor DHGR/DGR and 
A2 Turbo doesn't make this function on APPLE ][/+.

Watch this how it works!

youtu.be/at6EreUgEc0

 

The target price is lower than $100

And expected availability date will be approximately 3 weeks later.

 

If you have any concerns, please let me know.
Thank you.

Ian Kim

 

** If you want to see how works on program? please let me know the name of program and then I will test it and upload the working movie.

 

** It doens't make your APPLE ][/+ to APPLE //e even AUX emulation supported.

Posted by Ian Kim 이안김

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  1. 2021.05.15 09:23 신고 Ian Kim 이안김  댓글주소  수정/삭제  댓글쓰기

    Updates; PCB and Chips Parts ordered.
    *Chip price was higher than before......

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