Function ScancodeDispatch

Scan/PS2/scan_loop.c:70–110

void ScancodeDispatch() {
	static uint8_t state = 0x01;  // pressed
	static uint8_t is_extended = 0;
	while (1)
	{
		uint8_t c = get_scan_code();
		if (c)
		{
			if (verbose_state)
			{
				printHex(c);
				print(" ");
			}
			switch (c)
			{
				case 0xF0:  // F0, is release for next scancode.
					state = 0x03;  // release
					break;
				case 0xE0:  // extended scancode.
					is_extended = 1;
					break;
				default:
					// printHex(c);
					// printHex(state);
					// print("  ");
					if (is_extended) {
						// map the extended values to 0x80+c, this conveniently does not
						// collide with the non-extended set.
						c = 0x80 + c;
					}
				Macro_keyState(c, state);  // send the new state
				state = 0x01;  // default state is pressed
				is_extended = 0;  // default is non extended
			}
		}
		else
		{
			return;
		}
	}
}