Screenshot

A plane over a Mode 7 landscape (#4, part 2). The core trick: altitude drives the Mode 7 scale — climbing zooms the terrain out, diving zooms in — and a shadow sprite slides away from the plane as you climb: the two classic SNES depth cues, from two register writes per frame.

Input	Action
D-pad left/right	turn
Up / Down	climb / dive
A / B	throttle up / down

Objective: land on the three striped pads (slow and low over a pad — green flash). Water is a splash (respawn); touching fields too fast bounces you back up. The terrain (patchwork fields, river and lake, three helipads) is generated at build time by gen_terrain.py (committed, deterministic).

ROM mode: LoROM (project default).

SNES Concepts

Altitude as Mode 7 scale: mode7SetScale(0x0100 + alt) then SetAngle (the scale feeds the matrix at SetAngle time)
The shadow depth cue: the same procedural sprite shape with a dark palette, screen offset proportional to altitude
A takeoff/landing state machine: the landing EVENT fires only on the airborne→ground transition, so taxiing and takeoff work
Banked-data ASM accessor for the 16 KB class map (B2 escape, the mode7_racing pattern)

How to Build

make

Modules Used

console, dma, background, sprite, math, mode7, input