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diff --git a/docs/architecture.md b/docs/architecture.md index 56bbb62..0c6fea7 100644 --- a/docs/architecture.md +++ b/docs/architecture.md @@ -134,6 +134,12 @@ Notable differences: Our game doesn't need this capability for any visual effects. Leaving this feature out will lead to a simpler hardware design +- Sprites are positioned relative to the viewport, not the background layer + + This leads to a simpler hardware architecture for the foreground sprite + rendering component. Since the CPU is already likely to reposition all + foreground sprites on every frame, the position calculation is moved to + hardware to software. ## Hardware design schematics |