(This was intended for making VSMs with multiple languages available, where the initial load addresses could remain static, so for example they would not require changes to code in a microcontroller, and only the values pointed to in the VSM needed changing. In practice it doesn't seem to have ever been used, as it doesn't work when more than one VSM chip shares a bus, which is what was done in most cases.)
This approach aimed to create VSMs in various languages, maintaining static initial load addresses so that microcontroller code wouldn't need updating. In reality, this method was ineffective because it didn't work when multiple VSM chips shared the same bus.