$\xef>#<+.\xe7,\xd7[\xc3]~!v\xcd\x03\x80w\xfe+\xc9\x00s#r#H\xfe~\xc9\xc3\x00\x80\x0c\x0c\x0d>!\xd7(\xf8\xfe-(\xf6\xd9lN\xed\xb1~\xd9 \xeeQ\x1e>\xdf\x11\x86w\xdfw \x0c\xeb\xe1\xdf\xeb#6\xb7#6\xc2#\xdf#\xfe\xc3 \x02\xe5\xdf\xfev \xcc\xcb} }\x0eh>\xe7 \x03\xb7 \xfavHello, world!
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
Disassemble:
ORG 00000H INC H ;0000 24 $ RST 28H ;0001 EF . LD A,023H ;0002 3E 23 > # INC A ;0004 3C < DEC HL ;0005 2B + LD L,0E7H ;0006 2E E7 . . INC L ;0008 2C , RST 10H ;0009 D7 . LD E,E ;000A 5B [ JP 07E5DH ;000B C3 5D 7E . ] ~ LD HL,0CD76H ;000E 21 76 CD ! V . INC BC ;0011 03 . ADD A,B ;0012 80 . LD (HL),A ;0013 77 W CP 02BH ;0014 FE 2B . + RET ;0016 C9 . NOP ;0017 00 . LD (HL),E ;0018 73 S INC HL ;0019 23 # LD (HL),D ;001A 72 R INC HL ;001B 23 # LD C,B ;001C 48 H CP 07EH ;001D FE 7E . ~ RET ;001F C9 . JP 08000H ;0020 C3 00 80 . . . INC C ;0023 0C . INC C ;0024 0C . DEC C ;0025 0D . LD A,021H ;0026 3E 21 > ! RST 10H ;0028 D7 . JR Z,$-6 ;0029 28 F8 ( . CP 02DH ;002B FE 2D . - JR Z,$-8 ;002D 28 F6 ( . EXX ;002F D9 . LD L,H ;0030 6C L LD C,(HL) ;0031 4E N CPIR ;0032 ED B1 . . LD A,(HL) ;0034 7E ~ EXX ;0035 D9 . JR NZ,$-16 ;0036 20 EE . LD D,C ;0038 51 Q LD E,03EH ;0039 1E 3E . > RST 18H ;003B DF . LD DE,07786H ;003C 11 86 77 . . W RST 18H ;003F DF . LD (HL),A ;0040 77 W JR NZ,$+14 ;0041 20 0C . EX DE,HL ;0043 EB . POP HL ;0044 E1 . RST 18H ;0045 DF . EX DE,HL ;0046 EB . INC HL ;0047 23 # LD (HL),0B7H ;0048 36 B7 6 . INC HL ;004A 23 # LD (HL),0C2H ;004B 36 C2 6 . INC HL ;004D 23 # RST 18H ;004E DF . INC HL ;004F 23 # CP 0C3H ;0050 FE C3 . . JR NZ,$+4 ;0052 20 02 . PUSH HL ;0054 E5 . RST 18H ;0055 DF . CP 076H ;0056 FE 76 . V JR NZ,$-50 ;0058 20 CC . BIT 7,L ;005A CB 7D . } JR NZ,$+127 ;005C 20 7D } LD C,068H ;005E 0E 68 . H LD A,0E7H ;0060 3E E7 > . LD A,(BC) ;0062 0A . INC BC ;0063 03 . OR A ;0064 B7 . JR NZ,$-4 ;0065 20 FA . HALT ;0067 76 V LD C,B ;0068 48 H LD H,L ;0069 65 E LD L,H ;006A 6C L LD L,H ;006B 6C L LD L,A ;006C 6F O INC L ;006D 2C , JR NZ,$+121 ;006E 20 77 W LD L,A ;0070 6F O LD (HL),D ;0071 72 R LD L,H ;0072 6C L LD H,H ;0073 64 D DEFB 021H ;0074 21 !