\xcd\x03\x80\xc6\xddo~##\xff\x10\xfavftarlusee
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 . . . ADD A,0DDH ;0003 C6 DD . . LD L,A ;0005 6F O LD A,(HL) ;0006 7E ~ INC HL ;0007 23 # INC HL ;0008 23 # RST 38H ;0009 FF . DJNZ $-4 ;000A 10 FA . . HALT ;000C 76 V LD H,(HL) ;000D 66 F LD (HL),H ;000E 74 T LD H,C ;000F 61 A LD (HL),D ;0010 72 R LD L,H ;0011 6C L LD (HL),L ;0012 75 U LD (HL),E ;0013 73 S LD H,L ;0014 65 E LD H,L ;0015 65 E