Some other examples:

- ACPI configuration for power management and platform stuff [1]

- Bitcoin transactions [2]

- TrueType fonts [3]

[1] https://wiki.osdev.org/AML

[2] https://en.bitcoin.it/wiki/Script

[3] https://learn.microsoft.com/en-us/typography/opentype/spec/t...

Since ACPI was mentioned, let's not forget about EFI!

https://uefi.org/specs/UEFI/2.10/22_EFI_Byte_Code_Virtual_Ma...