\xd5\xcd\x03\x80\xcbG(\x01v
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
Disassemble:
ORG 00000H PUSH DE ;0000 D5 . CALL 08003H ;0001 CD 03 80 . . . BIT 0,A ;0004 CB 47 . G JR Z,$+3 ;0006 28 01 ( . HALT ;0008 76 V