For now, using a string, one can encode literal bytes with escape notation "^(00)":
blah: "^(F0)^(90)^(90)^(90)^(F0)^(20)^(60)^(20)^(20)^(70)^(F0)^(10)^(F0)^(80)^(F0)^(F0)^(10)^(F0)^(10)^(F0)^(90)^(90)^(F0)^(10)^(10)^(F0)^(80)^(F0)^(10)^(F0)^(F0)^(80)^(F0)^(90)^(F0)^(F0)^(10)^(20)^(40)^(40)^(F0)^(90)^(F0)^(90)^(F0)^(F0)^(90)^(F0)^(10)^(F0)^(F0)^(90)^(F0)^(90)^(90)^(E0)^(90)^(E0)^(90)^(E0)^(F0)^(80)^(80)^(80)^(F0)^(E0)^(90)^(90)^(90)^(E0)^(F0)^(80)^(F0)^(80)^(F0)^(F0)^(80)^(F0)^(80)^(80)"