\xe5\xd2\x03\x80<\xfe3\xc8\xff\x0f>1\xd8v
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
Disassemble:
ORG 00000H PUSH HL ;0000 E5 . JP NC,08003H ;0001 D2 03 80 . . . INC A ;0004 3C < CP 033H ;0005 FE 33 . 3 RET Z ;0007 C8 . RST 38H ;0008 FF . RRCA ;0009 0F . LD A,031H ;000A 3E 31 > 1 RET C ;000C D8 . HALT ;000D 76 V