\xcfg\xcf\xff|\xd5\xe9\x00\xd2\x03\x80v
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
Disassemble:
ORG 00000H RST 8 ;0000 CF . LD H,A ;0001 67 G RST 8 ;0002 CF . RST 38H ;0003 FF . LD A,H ;0004 7C | PUSH DE ;0005 D5 . JP (HL) ;0006 E9 . NOP ;0007 00 . JP NC,08003H ;0008 D2 03 80 . . . HALT ;000B 76 V