\x11\xf4\xff+~\x87\xc6)O6\xbf+6\xbf\x0b \x12\x1b\x870\xf9\x1e\xfe\x1b\x1a\xc6a\xcd\x00\x80\xd6\x1a0\xf5\x85 \xdev\xa9\x02\x01\xa9
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
Disassemble:
ORG 00000H LD DE,0FFF4H ;0000 11 F4 FF . . . DEC HL ;0003 2B + LD A,(HL) ;0004 7E ~ ADD A,A ;0005 87 . ADD A,029H ;0006 C6 29 . ) LD C,A ;0008 4F O LD (HL),0BFH ;0009 36 BF 6 . DEC HL ;000B 2B + LD (HL),0BFH ;000C 36 BF 6 . DEC BC ;000E 0B . LD A,(BC) ;000F 0A . LD (DE),A ;0010 12 . DEC DE ;0011 1B . ADD A,A ;0012 87 . JR NC,$-5 ;0013 30 F9 0 . LD E,0FEH ;0015 1E FE . . DEC DE ;0017 1B . LD A,(DE) ;0018 1A . ADD A,061H ;0019 C6 61 . A CALL 08000H ;001B CD 00 80 . . . SUB 01AH ;001E D6 1A . . JR NC,$-9 ;0020 30 F5 0 . ADD A,L ;0022 85 . JR NZ,$-32 ;0023 20 DE . HALT ;0025 76 V XOR C ;0026 A9 . LD (BC),A ;0027 02 . DEFB 001H,0A9H ;0028 01 A9 . .