This was not supported in 3.0. You could however include inline machine code, pre-assembled elsewhere or by hand.
Elsewhere like in turbo assembler
https://en.wikipedia.org/wiki/Turbo_Assembler
Thanks for the correction. I must have been on TP5 at that point and lost track of the distinction over the years.
Elsewhere like in turbo assembler
https://en.wikipedia.org/wiki/Turbo_Assembler