\xd5\xcd\x03\x808\x03\xfe4 v\xcd\x03\x80\xfe1 \xf9
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 . . . JR C,$+5 ;0004 38 03 8 . CP 034H ;0006 FE 34 . 4 JR NZ,$+120 ;0008 20 76 V CALL 08003H ;000A CD 03 80 . . . CP 031H ;000D FE 31 . 1 JR NZ,$-5 ;000F 20 F9 .