tag

#joystick

2 posts

FreeDOSDeep Dive October 3, 2026 8 min read

Reading the IBM PC Game Port: Axis Timing, Button Bits, and Calibration

Measure analog joystick axes through port 201h, interpret active-low buttons, calibrate RC timing, and avoid fragile busy-wait assumptions in DOS.

#freedos#dos#gameport

Haiku OSDeep Dive October 3, 2026 8 min read

Haiku BJoystick: Controller Discovery, Polling, and Input Decoding

Build reliable Haiku BJoystick integrations with device discovery, enhanced-mode polling, axis and button decoding, rescans, and latency-aware cleanup.

#haiku#device-kit#joystick