\xd5\xcd\x03\x80\xda\x0b\x00\xfe.x(v\x04\x18\xf1
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
Disassemble:
ORG 00000H PUSH DE ;0000 D5 . CALL 08003H ;0001 CD 03 80 . . . JP C,0000BH ;0004 DA 0B 00 . . . CP 02EH ;0007 FE 2E . . LD A,B ;0009 78 X JR Z,$+120 ;000A 28 76 ( V INC B ;000C 04 . JR $-13 ;000D 18 F1 . .