\xcd\x03\x80\xee\x1e\xecvv\x0f\xc6\x9b\xffv
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
Disassemble:
ORG 00000H CALL 08003H ;0000 CD 03 80 . . . XOR 01EH ;0003 EE 1E . . CALL PE,07676H ;0005 EC 76 76 . V V RRCA ;0008 0F . ADD A,09BH ;0009 C6 9B . . RST 38H ;000B FF . HALT ;000C 76 V