a>0)\x8d\x10\xfc\xff\x0c \xf5v
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
Disassemble:
ORG 00000H LD H,C ;0000 61 A LD A,030H ;0001 3E 30 > 0 ADD HL,HL ;0003 29 ) ADC A,L ;0004 8D . DJNZ $-2 ;0005 10 FC . . RST 38H ;0007 FF . INC C ;0008 0C . JR NZ,$-9 ;0009 20 F5 . HALT ;000B 76 V