\x7fR[[X\x1b\x17@XE[S\x16v~\xee7#\xe5
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
Disassemble:
ORG 00000H LD A,A ;0000 7F LD D,D ;0001 52 R LD E,E ;0002 5B [ LD E,E ;0003 5B [ LD E,B ;0004 58 X DEC DE ;0005 1B . RLA ;0006 17 . LD B,B ;0007 40 @ LD E,B ;0008 58 X LD B,L ;0009 45 E LD E,E ;000A 5B [ LD D,E ;000B 53 S LD D,076H ;000C 16 76 . V LD A,(HL) ;000E 7E ~ XOR 037H ;000F EE 37 . 7 INC HL ;0011 23 # PUSH HL ;0012 E5 .