Speed Cart 64: Slow Down Your Commodore 64, Sometimes

If you’ve ever found your Commodore 64 runs too fast, maybe you need a Speed Cart 64 which provides a way of slowing down the C64. Sometimes. Sometimes it actually speeds things up, and sometimes it glitches programs in bizarre ways. And sometimes it just crashes.

Links:
Bremse 64 cart: https://retroport.de/rex-datentechnik-1/

Extra thanks to:
Chuck Hutchins: https://youtube.com/c/ChuckHutchins/
Jim 64: https://youtube.com/channel/UCdSY1VtjJMPd7qib7ucaNHA/
Jim Brain: https://store.go4retro.com/
Rod @ TFW8b: https://www.thefuturewas8bit.com/

Index:
0:00 The Speed Cart 64
2:05 Slowing down 10 PRINT
4:14 Testing some games: GORF, Jupiter Lander
6:36 Jumpman Junior, Mountie Mick’s Death Ride
11:20 Bruce Lee II, Wizard of Wor
13:53 Examining effect on the TI (jiffies) variable
17:25 Bremse 64 (Brake/Break 64)
18:08 I attempt to explain the circuit…
24:17 Potential improvements, clarifications
26:05 Thanks to my patrons