USE16
BOOT:
	JMP SHORT FloppyStart
	NOP

		DB "LNX     "
		DW 512
		DB 1
		DW 1
		DB 2
		DW 224
		DW 2880
		DB 240
		DW 9
		DW 18
		DW 2
BpbDriveNum:	DD 0
		DD 0
		DW 0
		DB 41
		DD 0
		DB "LNX        "
		DB "FAT12   "

%INCLUDE "std.asm"

SYS_BOOT_SEG	EQU 07C0H
SYS_LOAD_SEG	EQU 0AE0H
SYS_DISK_SEG	EQU 0100H

READ_SECTORS	EQU 02H
WRITE_STRING	EQU 1301H
RESET_FLOPPY	EQU 00H

DISKIO	EQU 19
VGA	EQU 16

FloppyStart:

;
; Setup some important information.
;

	MOV  AX, WORD SYS_BOOT_SEG
	MOV  BP, WORD NULL
	MOV  DS, AX
	CLI
	MOV  SS, AX
	MOV  SP, 64 * 16
	STI

;
; Load the System into memory.
;
	CALL ResetDisk
	MOV  AX, WORD SYS_DISK_SEG
	MOV  ES, AX
	MOV  BX, WORD NULL

	MOV  AH, BYTE READ_SECTORS
	MOV  AL, 4
	XOR  DX, DX
	MOV  CH, 0
	MOV  CL, 2

	INT  DISKIO
	JC   SHORT FloppyError

ResetDisk:
.00:
	XOR  AX, AX
.01:
	INT  DISKIO
	JC   SHORT .00
.02:
	RET
	NOP

ErrorString:	DB 7, 10, "FATAL ERROR", 13, 10, 10, 0
FloppyError:
.00:
	MOV  AX, WORD SYS_BOOT_SEG
	MOV  ES, AX
	LEA  BP, [ErrorString]
.01:
	MOV  AX, WORD WRITE_STRING
	XOR  DX, DX
	MOV  CX, 15
	MOV  BX, 7
	INT  VGA
.02:
	CLI
	HLT
	NOP


	TIMES 510 - ($ - $$) DB 0
BootSignature:	DW 0xAA55
DiskBuffer:

;
; The FAT (1 + 2) and Root Directory is beyond this sector.
;