\xcd\x03\x80\xd8\xef,- \x04\x1f\xc6\x11o\xfe \xef\xaf\xe7\x87 \x01\xe7\xc6<\xef> \xef\xc7v\x00#\xcb\x16(\xfb+\x8f\xc9\xf5\xc9 d\x00\xfd\x1c\x840\x8f\x804\x92\x01\x10 L$%\x03\xfeL98
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
Disassemble:
ORG 00000H CALL 08003H ;0000 CD 03 80 . . . RET C ;0003 D8 . RST 28H ;0004 EF . INC L ;0005 2C , DEC L ;0006 2D - JR NZ,$+6 ;0007 20 04 . RRA ;0009 1F . ADD A,011H ;000A C6 11 . . LD L,A ;000C 6F O CP 020H ;000D FE 20 . JR NZ,$-15 ;000F 20 EF . XOR A ;0011 AF . RST 20H ;0012 E7 . ADD A,A ;0013 87 . JR NZ,$+3 ;0014 20 01 . RST 20H ;0016 E7 . ADD A,03CH ;0017 C6 3C . < RST 28H ;0019 EF . LD A,020H ;001A 3E 20 > RST 28H ;001C EF . RST 0 ;001D C7 . HALT ;001E 76 V NOP ;001F 00 . INC HL ;0020 23 # RL (HL) ;0021 CB 16 . . JR Z,$-3 ;0023 28 FB ( . DEC HL ;0025 2B + ADC A,A ;0026 8F . RET ;0027 C9 . PUSH AF ;0028 F5 . RET ;0029 C9 . JR NZ,$+102 ;002A 20 64 D NOP ;002C 00 . DEFB 0FDH,01CH,084H ;ILLEGAL SEQUENCE ;002D FD 1C 84 . . . JR NC,$-111 ;0030 30 8F 0 . ADD A,B ;0032 80 . INC (HL) ;0033 34 4 SUB D ;0034 92 . LD BC,02010H ;0035 01 10 20 . . LD C,H ;0038 4C L INC H ;0039 24 $ DEC H ;003A 25 % INC BC ;003B 03 . CP 04CH ;003C FE 4C . L ADD HL,SP ;003E 39 9 DEFB 038H ;003F 38 8