\xd5\xcd\x03\x800\x036v\xd6\xff\xee\x03\xe8
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 . . . JR NC,$+5 ;0004 30 03 0 . LD (HL),076H ;0006 36 76 6 V SUB 0FFH ;0008 D6 FF . . XOR 003H ;000A EE 03 . . RET PE ;000C E8 .