\xcd\x03\x808\x04\xe5\xfe (v=\xee\x07<
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 DEC A ;000A 3D = XOR 007H ;000B EE 07 . . INC A ;000D 3C <