SuperCPU "Sky Travel" Easter Egg Hunt for Commodore 64

Published: 21 April 2024
on channel: 8-Bit Show And Tell
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We take another look at the Commodore 64 astronomy program Sky Travel, this time with the assistance of the 20 MHz CMD SuperCPU Accelerator. We examine the reasons for the 2 hour discrepancy between Sky Travel's depiction of the eclipse, and reality. It involves time zones and Daylight Saving Time. Other tangential topics include: JiffyDOS disk speed-up, 1541 disk drive "head knocking" copy protection. Then finally we go on a "round the world" easter egg hunt for many interesting "tokens" hidden in the Sky Travel program.

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The previous Sky Travel / Eclipse video that I reference:    • Viewing the 2024 Solar Eclipse with C...   titled "Viewing the 2024 Solar Eclipse with Commodore 64's 1984 Sky Travel"
My previous SuperCPU video:    • Exploring the SuperCPU Accelerator fo...  
Atari version: https://www.atarimania.com/pgesoft.aw...

Index:
0:00 Intro
1:36 About the CMD SuperCPU and JiffyDOS
4:52 Booting Sky Travel with JiffyDOS, speed-up
6:40 Disable Head "Bump"
8:05 The 2 Hour Error: DST and Time Zones
12:07 The eclipse from Apache, Arizona: no error
18:49 The Sky Travel Easter Eggs: Polar Bear
20:50 Eggs 2 - 6
25:42 Eggs 7 - 11
31:14 One last egg
32:50 Thanks!


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