How Do I Copy Second Stage Bootloader To Floppy Or Cd (Iso)

bits 16
org 7c00h

start: 
mov [driveno],dl
jmp loader


TIMES 0Bh-$+start DB 0
 
bpbBytesPerSector:  	DW 512
bpbSectorsPerCluster: 	DB 1
bpbReservedSectors: 	DW 1
bpbNumberOfFATs: 	DB 2
bpbRootEntries: 	DW 224
bpbTotalSectors: 	DW 2880
bpbMedia: 	        DB 0xF0
bpbSectorsPerFAT: 	DW 9
bpbSectorsPerTrack: 	DW 18
bpbHeadsPerCylinder: 	DW 2
bpbHiddenSectors:       DD 0
bpbTotalSectorsBig:     DD 0
bsDriveNumber: 	        DB 0
bsUnused: 	        DB 0
bsExtBootSignature: 	DB 0x29
bsSerialNumber:	        DD 0xa0a1a2a3
bsVolumeLabel: 	        DB "MOS FLOPPY "
bsFileSystem: 	        DB "FAT12   "

msg db "Raw msg",0
succmsg1: db "Drive is Present",0
succmsg2: db "Extensions Present",0
succmsg3: db "Dap Readed",0
ackmsg1:  db "Goes Wrong!!!",0
errmsg1 db "Error:Drive Absent",0
errmsg2 db "Extension Absent",0
errmsg3 db "Error in DAP read",0
driveno: db 0

result: times 30 db 0

;Ignore this dap table
DAP: 
        DAP_Size             db 10h         ;1h
        DAP_Res1             db 0           ;2h
        DAP_Bytes2Transfer   db 1h          ;3h
        DAP_Res2             db 0           ;4h
        DAP_Buff_Addr1       dw 0000h       ;6h
        DAP_Buff_Addr2       dw 1000h       ;8h
        DAP_LBA              dq 1h          ;9h 

print:
	lodsb
	or al,al
	jz pdone
	mov ah,0eh
	int 10h
	jmp print
pdone:	ret

nlin:
   mov      ah, 0eh      ; Set BIOS subfunction
   mov      al, 0x0A   ; Move newline to al
   int      10h         ; Interupt...
   ret               ; Return


loader:
	xor ax,ax
	mov es,ax
	mov ds,ax
	
	mov ah,0h
	mov dl,[driveno]
	int 13h
	jnc succdd
	mov si,errmsg1
	call print
	int 19h 
succdd:	
	mov si,succmsg1
	call print
	call nlin
	
	mov ax,1000h
	mov es,ax
	
	xor bx,bx

	mov al,1
	mov ch,0
	mov cl,2
	mov dh,0
	mov dl,[driveno]
	int 13h
	jc hlt
	mov ax,00h
	int 16h
	jmp 1000h:0000

hlt:
	mov si,errmsg3
	call print
	cli
	hlt
	
	


times 510-($-$$) db 0
dw 0xaa55