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Amateur Radio Programs
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iPhone/iPad Apps
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  SelCall Tone Gen
  Sound Byte
  Sound Byte Control
  Spectrum Pad
  SWBC Schedules
  Synth 76477
  Synth Motion
  Transmission Line Calc
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  Wire Calc

iPhone/iPad Bundles
  RF Calculator Apps
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  Audio Utility Apps
  Shortwave Weather Apps
  Ham Radio Exam Study Apps
  Shortwave Decoder Apps

Android Apps
  Audio Function Generator
Audio Spectrum Analyzer
DGPS Decoder
  HF Weather Fax
  Rad Map Tracker
  SelCall Tone Gen
  Sound Byte Control
  SWBC Schedules
  Wire Calc

About Black Cat Systems
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Apple /// Emulator

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Sara - An Apple /// Emulator

Sara is an Apple /// Emulator for the Macintosh.

In fact, Sara is the only Apple /// emulator available for the Macintosh, or any computer platform!

The current version of Sara is 0.5.0, released on May 4, 2008.

Best of all, it's FREE!

Note: Sara is still under development. These versions are extremely preliminary. They don't completely work yet. But they should give you a good idea of what I'm working on. And I'm looking for suggestions as to how to implement the user interface. So now's a good time to take a look at what I have so far.

If you would, please take a look at some of my other programs, most are shareware, and all are for the Macintosh.

Sara Version 0.5.1 for Mac OS X (Universal Binary) can be downloaded.

Sara Version 0.4.0 can be downloaded. (Mac OS sadly,Classic only)

You'll need a copy of the Apple /// ROM file, there's a file located at

Be sure to rename the ROM file back to ROM after unstuffing it.

They also have quite a few disk images available, such as:
Business Basic
Apple /// Confidence Tester
Apple /// Diagnostics
Three EZ Pieces Disk 1
Three EZ Pieces Disk 2
SOS 1.1 System Utilities
SOS 1.3 System Utilities
Apple /// System Demo
SOS System Utilities Data
Apple ][ Emulation Disk

Take a look at for more disk images.

Visit My Apple /// Page

Apple ][ Disk Reader

Need a way to transfer Apple ][ disks to the Macintosh as a disk image? take a look at my little Apple ][ Disk Reader program.

All you need is an Apple ][ with a serial card (or an Apple /// in ][ emulation mode) and a cable to connect to your Macintosh with a serial port.

Included is a short AppleSoft program to type into the Apple ][, and the corresponding program on the Macintosh side.

It reads an entire disk, and sends it over the serial link to the Macintosh, which stores it as a Dos Ordered disk image file, ready for use with most emulators (including Sara).

Apple ][ Disk Reader can be downloaded.

If you're interested in emulators for the Macintosh, then you'll certainly want to check out, as they have links to all of 'em!

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May 4, 2008