GS2HD-D01 - Apple IIgs RGB to HDTV Component Adapter
Submitted by GG on Wed, 01/08/2020 - 09:59A new version of this project is available here
Filed under:
Apple
A2SCSI-A01 - Apple II SCSI card clone
Submitted by GG on Sat, 10/19/2019 - 17:50A new version of this project is available here
The Apple II SCSI card from 1986 was one of the first interface cards to attach a Hard Disk Drive to the Apple II line of computers. A2SCSI is a clone of the last revision (rev.C) of the card with a few enhancements to improve compatibility with modern SCSI drives.
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GGLABS Memory Test V0.44
Submitted by GG on Sun, 09/15/2019 - 00:39
GMT (GGLABS Memory Test) is a new developed memory test for vintage computers optimized for speed and coverage. The code is based on the test algorithms described in "Testing Semiconductor Memories: Theory and Practice" by A.J. van de Goor. The program is mostly in C plus small sections in assembly. It is free software and released under the GPL v3 license.
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GZ/80-A02 - Zilog Z80 turbo card for Apple II computers
Submitted by GG on Sun, 06/16/2019 - 22:47A new version of this project is available here
The Microsoft Softcard was the first card to allow CP/M software to run on the Apple II. It was originally developed to simplify the porting of Microsoft Basic to the Apple II. It turned out to be a great success and at some point in time it was the most popular CP/M platform in use.
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A2SCSI-A00 - Apple II SCSI card clone
Submitted by GG on Wed, 05/22/2019 - 22:12A new version of this project is available here
The Apple II SCSI card from 1986 was one of the first interface cards to attach a Hard Disk Drive to the Apple II line of computers. A2SCSI is a clone of the last revision (rev.C) of the card with a few enhancements to improve compatibility with modern SCSI drives.
Filed under:
GZ/80-A01 - Zilog Z80 turbo card for Apple II computers
Submitted by GG on Sat, 04/06/2019 - 16:50A new version of this project is available here
The Microsoft Softcard was the first card to allow CP/M software to run on the Apple II. It was originally developed to simplify the porting of Microsoft Basic to the Apple II. It turned out to be a great success and at some point in time it was the most popular CP/M platform in use.
Filed under:
GZ/80-A00 - Zilog Z80 card for Apple II computers
Submitted by GG on Sat, 01/19/2019 - 14:15A new version of this project is available here
The Microsoft Softcard was the first card to allow CP/M software to run on the Apple II. It was originally developed to simplify the porting of Microsoft Basic to the Apple II. It turned out to be a great success and at some point in time it was the most popular CP/M platform in use.
Filed under:
GGLABS Memory Test V0.41
Submitted by GG on Sat, 11/03/2018 - 19:01A new version of GMT is available here
GMT (GGLABS Memory Test) is a new developed memory test for vintage computers optimized for speed and coverage. The code is based on the test algorithms described in "Testing Semiconductor Memories: Theory and Practice" by A.J. van de Goor. The program is mostly in C plus small sections in assembly. It is free software and released under the GPL v3 license.
Filed under:
RAMGS/8 - small form factor 8MB memory expansion for the Apple IIgs
Submitted by GG on Tue, 05/15/2018 - 01:58
The apple IIgs is the most advanced computer in the Apple II series. Equipped with a 65c816 8/16-bit CPU with 24-bit address space it could address up to 16MB of memory. The original rom 01 model shipped with 256KB of fast RAM, the revised rom 3 shipped with 1MB (both had an additional 128KB of standard RAM and 64KB of sound RAM). RAMGS is a newly designed 8MB expansion card for this great classic computer.
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RAMGS/8 - small form factor 8MB memory expansion for the Apple IIgs
Submitted by GG on Tue, 02/20/2018 - 17:56A new version of this project is available here
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