These determine the assumed/default size of instruction operands, and restricts which opcodes are available, and how they are used.
Modern operating systems, booted inside Real
mode,
/** | |
* USB HID Keyboard scan codes as per USB spec 1.11 | |
* plus some additional codes | |
* | |
* Created by MightyPork, 2016 | |
* Public domain | |
* | |
* Adapted from: | |
* https://source.android.com/devices/input/keyboard-devices.html | |
*/ |