API‐Reference

Runtime API Surface Matrix

cls(color): Flushes active drawing pixel matrices with the specified color index, accounting for scissor offsets.
pset(x, y, color): Plots a single pixel token into the frame array after evaluating current camera transformations.
line(x0, y0, x1, y1, color): Computes linear pixel steps utilizing an unrolled CPU Bresenham’s calculation loop.
circ(x, y, r, color) / circfill(x, y, r, color): Plots hollow or solid circular perimeters executing parallel horizontal sweep lines on the CPU layer.
rspr(n, dx, dy, angle, sx, sy): Rotated Sprite. Transforms an 8×8 sprite block across full 360-degree vectors using an inverse-sampling algorithm to prevent missing pixel gaps.
pal(c0, c1): Reroutes target look-up index configurations on-the-fly during screen rendering steps.
clip(x, y, w, h): Establishes coordinate bounding limits to isolate rendering pipelines to specific regions of the canvas.
print(str, x, y, color): Converts strings into binary bitmaps using a custom 3x5 bitmask font layer that supports standard readable text.

btn(button, [player]): Polls real-time boolean states from virtual controller registers [SPEC.md]. Supports local physical multi-player configurations across 4 local slots (0 to 3).
- button IDs: 0 (Left), 1 (Right), 2 (Up), 3 (Down), 4 (Action Button A / Z), 5 (Action Button B / X).

sfx(n, channel): Sends a procedural synthesis request (Sine, Square, Triangle, Noise waveforms) down to the decoupled hardware audio stream mixer.