\xd70\xfd\xd7\xd78\xfc\x87\x87o\xdf\x10\xfd \xf5v\xcd\x03\x80\xd6 \x06\x06\xc9)$\xd0|b<\xf8
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
Disassemble:
ORG 00000H RST 10H ;0000 D7 . JR NC,$-1 ;0001 30 FD 0 . RST 10H ;0003 D7 . RST 10H ;0004 D7 . JR C,$-2 ;0005 38 FC 8 . ADD A,A ;0007 87 . ADD A,A ;0008 87 . LD L,A ;0009 6F O RST 18H ;000A DF . DJNZ $-1 ;000B 10 FD . . JR NZ,$-9 ;000D 20 F5 . HALT ;000F 76 V CALL 08003H ;0010 CD 03 80 . . . SUB 020H ;0013 D6 20 . LD B,006H ;0015 06 06 . . RET ;0017 C9 . ADD HL,HL ;0018 29 ) INC H ;0019 24 $ RET NC ;001A D0 . LD A,H ;001B 7C | LD H,D ;001C 62 B INC A ;001D 3C < RET M ;001E F8 .