_\xfe 0\x02\x06\x11\xcd\x03\x800\x01v\xbe8\x03\x10\x01\xa6\xe5
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
Disassemble:
ORG 00000H LD E,A ;0000 5F _ CP 020H ;0001 FE 20 . JR NC,$+4 ;0003 30 02 0 . LD B,011H ;0005 06 11 . . CALL 08003H ;0007 CD 03 80 . . . JR NC,$+3 ;000A 30 01 0 . HALT ;000C 76 V CP (HL) ;000D BE . JR C,$+5 ;000E 38 03 8 . DJNZ $+3 ;0010 10 01 . . AND (HL) ;0012 A6 . PUSH HL ;0013 E5 .