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Back in 1983, how many users found the secret message in this instructional software?

]BRUN BARGLE

Bargle program by Sue Espinosa

Bargle Bargle Bargle

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Synopsis:

• Define a short datagram to be transmitted via vapor from visible screen memory.
• Encode single-cycle accurate video phase via vapor datagram.
• Construct a routine to receive the vapor datagram and synchronize itself to the video scanner.
• Write a simple BASIC program to demonstrate all that!

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A collection of simple (simplistic) tests for diagnosing a non-booting Disk II or A2 disk controller:

• Monitor commands to test 6 of the 8 data latches in the 9334 chip
• Monitor commands to load just one sector, then beep and break
• Attach an LED to troubleshoot individual latches Q0 through Q3
• Use a flashlight to "candle" circuit traces
• Use wood or bamboo to scrape debris off the circuit board