Sound!
Sound!
Publisher: CodeWorks - CursorGenre: Demo
Programmer: Ken Matthews
Year: 1979
Uploaded by: admin
Language: English
Downloads: 59
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The keyboard graphic responds to mouse clicks, touch events, and key presses.
Hold your shift key while clicking the PET keyboard to get the graphics
characters.
(The emulator simulates pressing the PET's left shift-key at the
same time as the clicked key.)
Changing the size of memory or changing the ROM version forces a reset of the PET.
The emulator has an IEEE-488 device at address 8. It can be used load and save (.prg) files.
Some programs don't run on ROM1 and some require more memory than the default 8K.
Game Notes
May include inaccurate AI generated content
SOUND! is a small library of sound effects and short tunes to showcase the PET's CB2 sound capability. (The ! on the filename lets you know that SOUND! has sound, just in case there's any confusion.) The variety of sounds that the author was able to coax out of the PET's simple square-wave generator must have been impressive in 1979 (and it's still pretty nifty today). The program listing is a useful resource for programmers who want to learn more about CB2 sound, because each of the program's 17 sounds is created in a single, self-contained BASIC subroutine—no machine-language knowledge required.
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