; hello-os
; TAB=4
ORG 0x7c00
JMP entry
DB 0x90
DB "HELLOIPL"
DW 512
DB 1
DW 1
DB 2
DW 224
DW 2880
DB 0xf0
DW 9
DW 18
DW 2
DD 0
DD 2880
DB 0,0,0x29
DD 0xffffffff
DB "HELLO-OS "
DB "FAT12 "
RESB 18
entry:
MOV AX,0
MOV SS,AX
MOV SP,0x7c00
MOV DS,AX
MOV ES,AX
MOV SI,msg
putloop:
MOV AL,[SI]
ADD SI,1
CMP AL,0
JE fin
MOV AH,0x0e
MOV BX,15
INT 0x10
JMP putloop
fin:
HLT
JMP fin
msg:
DB 0x0a, 0x0a
DB "hello, world"
DB 0x0a
DB 0
RESB 0x7dfe-$
DB 0x55, 0xaa