cpu 8086
		org 0x7C00

%include	"inc/bpb.asm"
%include	"inc/mbr.asm"
%include	"inc/fcb.asm"
%include	"inc/dpt.asm"

		; kernel stack size in words
%define		stacksize 512

init:		cli
		xor ax, ax
		mov ds, ax
		mov es, ax
		mov ss, ax
		mov sp, ax

		call printf
%defstr VERSIONSTR VERSION
		db "RDOS ", VERSIONSTR, 0x0A, 0x0D, 0

		push dx
		call dinit
		pop dx

		mov word [0x21*4], int21
		mov word [0x21*4+2], cs
		mov word [curpsp], 0x1000

		cmp dl, 0x80
		jc .k
		sub dl, (0x80-2)
.k:		call setdd

		mov dl, 0x37
		mov ah, 2
		int 0x21
		int 0x21

restart:
hlt:		hlt
		jmp hlt

%include	"kernel/syscall.asm"
%include	"kernel/char.asm"
%include	"kernel/fcb.asm"
%include	"kernel/drive.asm"
%include	"kernel/printf.asm"

section .data

testfcb:	db 0
		db "HELLO   ", "COM"
		times 30 db 0

section .bss

		alignb 2
stack:		resb stacksize