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Making Games for the C-64 Knowledge Check

Test your mastery of the core principles.

Question 1 of 4
What is the primary benefit of utilizing zero-page memory addresses ($00 to $FF) in 6510 assembly?
Explanation: Zero-page addressing allows faster access and shorter instruction lengths, serving as a vital speed multiplier for real-time game loops.
Question 2 of 4
How do developers achieve smooth horizontal scrolling on the C-64 without stuttering?
Explanation: Fine scroll registers allow pixel-level shifting, hiding the heavy lifting of block memory updates.
Question 3 of 4
What architectural feature of the VIC-II chip enables developers to display more than eight characters/objects simultaneously?
Explanation: Sprite multiplexing reuses physical hardware sprite registers mid-screen by updating positions during raster line interrupts.
Question 4 of 4
Why is locking game logic to the vertical blanking interval critical in retro game design?
Explanation: Locking updates to the refresh rate ensures consistent gameplay pacing and eliminates visual tearing.