unction brightness_change_cpu1(d) {
		const c = cpu1;
		let b = Number(c.dataset.brightness);
		if (d < 0)
			b = b - 0.05;
		else
			b = b + 0.05;
		if (b < 0)
			b = 0;
		if (b > 9)
			b = 9;
		c.dataset.brightness = b;
	}

	function contrast_change_cpu1(d) {
		const c = cpu1;
		let b = Number(c.dataset.contrast);
		if (d < 0)
			b = b - 5;
		else
			b = b + 5;
		if (b < 0)
			b = 0;
		if (b > 900)
			b = 900;
		c.dataset.contrast = b;
	}

	function apply_transforms_cpu1() {
		const c = cpu1;
		const x = 