source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS/Inc/BootMenu.inc@ 331

Last change on this file since 331 was 294, checked in by krille_n_@…, 13 years ago

Commit 2/2 (BIOS):

  • Fixed a bug in AH1h_HStatus.asm.
  • Minor optimizations.
  • Fixed spelling and did some cleaning.
File size: 1.9 KB
Line 
1; Project name : XTIDE Universal BIOS
2; Description : Equates and structs used in Boot Menu.
3
4%ifndef BOOTMENU_INC
5%define BOOTMENU_INC
6
7; Boot menu sizes
8BOOT_MENU_DEFAULT_TIMEOUT EQU (30 * TICKS_PER_SECOND)
9BOOT_MENU_TITLE_LINES EQU 2 ; Number of title lines
10BOOT_MENU_INFO_LINES EQU 3 ; Number of info lines
11BOOT_MENU_SEPARATOR_LINES_PLUS_SHADOW EQU 5
12BOOT_MENU_TITLE_AND_INFO_LINES EQU (BOOT_MENU_TITLE_LINES | (BOOT_MENU_INFO_LINES<<8))
13BOOT_MENU_WIDTH EQU 40 ; Menu width in characters (including shadow)
14BOOT_MENU_HEIGHT_WITHOUT_ITEMS EQU (BOOT_MENU_TITLE_LINES + BOOT_MENU_INFO_LINES + BOOT_MENU_SEPARATOR_LINES_PLUS_SHADOW)
15MENU_SCREEN_BOTTOM_LINES EQU 1
16
17; Hotkeys
18ROM_BOOT_HOTKEY_SCANCODE EQU 42h ; F8
19
20
21; Boot Menu Information Table. These are generated for all XTIDE Universal
22; BIOS drives. Available only until boot is successful.
23MAX_HARD_DISK_NAME_LENGTH EQU 30 ; Bytes reserved for drive name
24
25struc BOOTMENUINFO
26 .szDrvName resb MAX_HARD_DISK_NAME_LENGTH
27 resb 2 ; Zero word (ensures string terminates)
28 resb 4 ; padding to make BOOTMENUINFO size an even multiple of DPT size
29endstruc
30
31DPT_BOOTMENUINFO_SIZE_MULTIPLIER equ BOOTMENUINFO_size / LARGEST_DPT_SIZE
32
33%ifndef CHECK_FOR_UNUSED_ENTRYPOINTS
34
35%if MAX_HARD_DISK_NAME_LENGTH % 2 <> 0
36 %error "MAX_HARD_DISK_NAME_LENGTH needs to be a multiple of 2, memory is moved with word operations."
37%endif
38
39%if BOOTMENUINFO_size % LARGEST_DPT_SIZE <> 0
40 %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."
41%endif
42
43%if BOOTMENUINFO.szDrvName <> 0
44 %error "BOOTMENUINFO.szDrvName is assumed to be the first member of struc BOOTMENUINFO, in BootMenuPrint_RefreshItem"
45%endif
46
47%endif
48
49
50%endif ; BOOTMENU_INC
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