Hypercard Stack for SV7500 Multidisk Recorder
Peter J. Sucy · Creative Journey
HyperCard Stack for
SV7500 Multidisk Recorder
An interactive HyperCard application for controlling the SV7500 recorder, linking photographs, presentations and digital media.
The Beginning
Creating the HyperCard Stack
HyperCard offered me the perfect opportunity to create an interactive application that controlled the SV7500. My office mate, Craig, and I figured out that I would need something called an “xcmd”, a piece of code that allows communication between HyperCard and other devices, in this case over an RS-232 serial connection.
After explaining this to John, the engineer for the 7500, he gave me a copy of the commands available to control the device. Then I had Craig create the xcmd I needed to insert into HyperCard. Now, I could begin my coding.
Historical-style illustrations, not original archival photographs
Interactive Presentation
The SV7500 Demo Stack
The SV7500 Demo stack I wrote had three different modes. The first was a demo of a home real estate database with images. When a home in the database was selected, the SV7500 would retrieve the linked image of the house.
The second button I called the “Presentation Maker”, which reveals the underpinnings of the whole stack. It allowed you to link photos, add text, sounds, create presentations or databases.
The third section was a presentation of our products with feature bullets that popped up for each product. All created in the “Presentation Maker”. I had some Bach synthesizer music I’d recorded, running as the soundtrack.
Continue the Journey
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