\x06\x09>3\xff\xae\xff>0\x10\xfbv
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
Disassemble:
ORG 00000H LD B,009H ;0000 06 09 . . LD A,033H ;0002 3E 33 > 3 RST 38H ;0004 FF . XOR (HL) ;0005 AE . RST 38H ;0006 FF . LD A,030H ;0007 3E 30 > 0 DJNZ $-3 ;0009 10 FB . . HALT ;000B 76 V