Orrery
Orrery
Publisher: CodeWorks - CursorGenre: Geography
Programmer: Ernest Marhenke
Year: 1980
Uploaded by: admin
Language: English
Downloads: 46
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Game input holds PET matrix keys down until you physically release them, which is best for arcade games. Type input keeps the original short-tap queue for entering BASIC commands.
Charset Auto lets PET software switch normally. Graphics or Business forces the selected character ROM for compatibility/testing.
Changing RAM or ROM resets the PET. Some programs need ROM2/ROM4 or 16K/32K.
The sound slider controls the emulated PET VIA speaker. Modern browsers require a click before audio can start, so Start Game also enables audio.
The emulator has an IEEE-488 device at address 8 for loading/saving .prg files.
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Game Notes
"Orrery" is a game written by Ernest Marhenke and published by CodeWorks - Cursor, a company known for developing software for the Commodore PET. The game was released during the late 1970s or early 1980s, a period when the Commodore PET was a popular personal computer for both educational and recreational use. CodeWorks - Cursor specialized in creating games and utilities for this platform, often focusing on educational or simulation-based software.
"Orrery" is a simulation game that models the movement of celestial bodies in a solar system, reflecting the historical use of orreries as mechanical devices to demonstrate planetary motion. The game likely allowed players to interact with a virtual orrery, observing and possibly manipulating the orbits of planets and other celestial objects. This aligns with the educational focus of many Commodore PET programs, which were often used in schools and by hobbyists interested in science and technology.
Specific details about the gameplay, graphics, or reception of "Orrery" are scarce, as documentation and preserved copies of the game are rare. However, it is known that Ernest Marhenke and CodeWorks - Cursor contributed to the early software ecosystem of the Commodore PET, creating programs that combined entertainment with educational value. The game remains a niche piece of retro computing history, primarily of interest to enthusiasts of vintage software and the Commodore PET platform.
"Orrery" is a simulation game that models the movement of celestial bodies in a solar system, reflecting the historical use of orreries as mechanical devices to demonstrate planetary motion. The game likely allowed players to interact with a virtual orrery, observing and possibly manipulating the orbits of planets and other celestial objects. This aligns with the educational focus of many Commodore PET programs, which were often used in schools and by hobbyists interested in science and technology.
Specific details about the gameplay, graphics, or reception of "Orrery" are scarce, as documentation and preserved copies of the game are rare. However, it is known that Ernest Marhenke and CodeWorks - Cursor contributed to the early software ecosystem of the Commodore PET, creating programs that combined entertainment with educational value. The game remains a niche piece of retro computing history, primarily of interest to enthusiasts of vintage software and the Commodore PET platform.
