\xcd\x03\x808\x04\xe5\xfe (vO\xf6 \xa9 \xff\xa9
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 . . . JR C,$+6 ;0003 38 04 8 . PUSH HL ;0005 E5 . CP 00AH ;0006 FE 0A . . JR Z,$+120 ;0008 28 76 ( V LD C,A ;000A 4F O OR 020H ;000B F6 20 . XOR C ;000D A9 . JR NZ,$+1 ;000E 20 FF . XOR C ;0010 A9 .