\x01 \x1d\xcd\x03\x800\x01v\xb9(\xf7\xff\x10\xf4y\xe5
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
Disassemble:
ORG 00000H LD BC,01D0AH ;0000 01 0A 1D . . . CALL 08003H ;0003 CD 03 80 . . . JR NC,$+3 ;0006 30 01 0 . HALT ;0008 76 V CP C ;0009 B9 . JR Z,$-7 ;000A 28 F7 ( . RST 38H ;000C FF . DJNZ $-10 ;000D 10 F4 . . LD A,C ;000F 79 Y PUSH HL ;0010 E5 .