source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS/Inc/BootMenu.inc@ 255

; Project name  :   XTIDE Universal BIOS
; Description   :   Equates and structs used in Boot Menu.
%ifndef BOOTMENU_INC
%define BOOTMENU_INC

; Boot menu sizes
BOOT_MENU_TITLE_LINES                   EQU 2   ; Number of title lines
BOOT_MENU_INFO_LINES                    EQU 3   ; Number of info lines
BOOT_MENU_SEPARATOR_LINES_PLUS_SHADOW   EQU 5
BOOT_MENU_TITLE_AND_INFO_LINES          EQU (BOOT_MENU_TITLE_LINES | (BOOT_MENU_INFO_LINES<<8))
BOOT_MENU_WIDTH                         EQU 40  ; Menu width in characters (including shadow)
BOOT_MENU_HEIGHT_WITHOUT_ITEMS          EQU (BOOT_MENU_TITLE_LINES + BOOT_MENU_INFO_LINES + BOOT_MENU_SEPARATOR_LINES_PLUS_SHADOW)
MENU_SCREEN_BOTTOM_LINES                EQU 1

; Hotkeys
ROM_BOOT_HOTKEY_SCANCODE                EQU 42h ; F8


; Boot Menu Information Table. These are generated for all XTIDE Universal
; BIOS drives. Available only until boot is successfull.
MAX_HARD_DISK_NAME_LENGTH               EQU     26      ; Bytes reserved for drive name

struc BOOTMENUINFO
    .szDrvName      resb    MAX_HARD_DISK_NAME_LENGTH
                    resb    2       ; Zero word (ensures string terminates)
                    resb    8       ; padding to make BOOTMENUINFO size an even multiple of DPT size
endstruc

DPT_BOOTMENUINFO_SIZE_MULTIPLIER  equ   BOOTMENUINFO_size / LARGEST_DPT_SIZE

%ifndef CHECK_FOR_UNUSED_ENTRYPOINTS                

%if BOOTMENUINFO_size % LARGEST_DPT_SIZE <> 0
%error "BOOTMENUINFO's size must be an even multiple of DPT's size.  Add or remove padding at the bottom of BOOTMENUINFO to bring the two sizes into alignment.  As BOOTMENUINFO is only used at boot time, with plenty of memory to consume, it is OK to waste some space here."
%endif

%if BOOTMENUINFO.szDrvName <> 0
%error "BOOTMENUINFO.szDrvName is assumed to be the first member of struc BOOTMENUINFO, in BootMenuPrint_RefreshItem"
%endif

%endif


%endif ; BOOTMENU_INC