\xd8\xf5\xcd\x03\x80\xc7\xf16v
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
Disassemble:
ORG 00000H RET C ;0000 D8 . PUSH AF ;0001 F5 . CALL 08003H ;0002 CD 03 80 . . . RST 0 ;0005 C7 . POP AF ;0006 F1 . LD (HL),076H ;0007 36 76 6 V