\xcd\x03\x808\x0d\x1f\xcb\x10x=\xe6\x04\xedD\xce#\xe5\xc3\xffv
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,$+15 ;0003 38 0D 8 . RRA ;0005 1F . RL B ;0006 CB 10 . . LD A,B ;0008 78 X DEC A ;0009 3D = AND 004H ;000A E6 04 . . NEG ;000C ED 44 . D ADC A,023H ;000E CE 23 . # PUSH HL ;0010 E5 . JP 076FFH ;0011 C3 FF 76 . . V