Module mouse 

PS/2 Mouse driver (IRQ12)

Supports standard 3-byte PS/2 mouse and IntelliMouse (4-byte, scroll wheel). Initialization follows the standard PS/2 controller protocol via I/O ports 0x60 (data) and 0x64 (command/status).

Structs

MouseEvent

A decoded mouse event.

Statics

MOUSE_READY

Mouse is initialized and streaming

Functions

handle_irq

Called from the IDT IRQ12 handler (interrupt context, interrupts disabled).

has_event

Returns true if at least one mouse event is pending.

init

Initialize the PS/2 mouse.

mouse_pos

Returns the current accumulated mouse position (pixel coordinates).

read_event

Dequeue the oldest mouse event (non-blocking).