\xdf_\xbb\xf5\xdf0\xfbbj+~+\xcb\xe64(\xff\xb7 \xf5\x05\x10\xf0v\xc3\x03\x80
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
Disassemble:
ORG 00000H RST 18H ;0000 DF . LD E,A ;0001 5F _ CP E ;0002 BB . PUSH AF ;0003 F5 . RST 18H ;0004 DF . JR NC,$-3 ;0005 30 FB 0 . LD H,D ;0007 62 B LD L,D ;0008 6A J DEC HL ;0009 2B + LD A,(HL) ;000A 7E ~ DEC HL ;000B 2B + SET 4,(HL) ;000C CB E6 . . INC (HL) ;000E 34 4 JR Z,$+1 ;000F 28 FF ( . OR A ;0011 B7 . JR NZ,$-9 ;0012 20 F5 . DEC B ;0014 05 . DJNZ $-14 ;0015 10 F0 . . HALT ;0017 76 V JP 08003H ;0018 C3 03 80 . . .