\xc5\xcd\x03\x808\x08\xfe (\x05%\xaew\xc3ve
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
Disassemble:
ORG 00000H PUSH BC ;0000 C5 . CALL 08003H ;0001 CD 03 80 . . . JR C,$+10 ;0004 38 08 8 . CP 00AH ;0006 FE 0A . . JR Z,$+7 ;0008 28 05 ( . DEC H ;000A 25 % XOR (HL) ;000B AE . LD (HL),A ;000C 77 W JP 06576H ;000D C3 76 65 . V E