\xcd\x03\x80\xfe3\xde\x1bo_\xaf\xedo(\x07#\xeb\xf60\xff\x18\xf4v%0VvvP)7a
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
Disassemble:
ORG 00000H CALL 08003H ;0000 CD 03 80 . . . CP 033H ;0003 FE 33 . 3 SBC A,01BH ;0005 DE 1B . . LD L,A ;0007 6F O LD E,A ;0008 5F _ XOR A ;0009 AF . RLD ;000A ED 6F . O JR Z,$+9 ;000C 28 07 ( . INC HL ;000E 23 # EX DE,HL ;000F EB . OR 030H ;0010 F6 30 . 0 RST 38H ;0012 FF . JR $-10 ;0013 18 F4 . . HALT ;0015 76 V DEC H ;0016 25 % JR NC,$+88 ;0017 30 56 0 V HALT ;0019 76 V HALT ;001A 76 V LD D,B ;001B 50 P ADD HL,HL ;001C 29 ) SCF ;001D 37 7 LD H,C ;001E 61 A