| [392] | 1 | ; Project name : XTIDE Universal BIOS
|
|---|
| 2 | ; Description : Boot Menu event handler for menu library callbacks.
|
|---|
| 3 |
|
|---|
| 4 | ;
|
|---|
| [526] | 5 | ; XTIDE Universal BIOS and Associated Tools
|
|---|
| 6 | ; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2013 by XTIDE Universal BIOS Team.
|
|---|
| [392] | 7 | ;
|
|---|
| 8 | ; This program is free software; you can redistribute it and/or modify
|
|---|
| 9 | ; it under the terms of the GNU General Public License as published by
|
|---|
| 10 | ; the Free Software Foundation; either version 2 of the License, or
|
|---|
| 11 | ; (at your option) any later version.
|
|---|
| [526] | 12 | ;
|
|---|
| [392] | 13 | ; This program is distributed in the hope that it will be useful,
|
|---|
| 14 | ; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 15 | ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|---|
| [526] | 16 | ; GNU General Public License for more details.
|
|---|
| 17 | ; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
|
|---|
| 18 | ;
|
|---|
| [392] | 19 |
|
|---|
| 20 | ; Section containing code
|
|---|
| 21 | SECTION .text
|
|---|
| 22 |
|
|---|
| 23 | ;--------------------------------------------------------------------
|
|---|
| 24 | ; GetMenuitemToDXforDriveInDL
|
|---|
| 25 | ; Parameters:
|
|---|
| 26 | ; DL: Drive number
|
|---|
| 27 | ; Returns:
|
|---|
| 28 | ; DX: Menuitem index (assuming drive is available)
|
|---|
| 29 | ; Corrupts registers:
|
|---|
| 30 | ; AX
|
|---|
| 31 | ;--------------------------------------------------------------------
|
|---|
| 32 | GetMenuitemToDXforDriveInDL:
|
|---|
| 33 | xor dh, dh ; Drive number now in DX
|
|---|
| 34 | test dl, dl
|
|---|
| 35 | jns SHORT .ReturnItemIndexInDX ; Return if floppy drive (HD bit not set)
|
|---|
| 36 | call FloppyDrive_GetCountToAX
|
|---|
| 37 | and dl, ~80h ; Clear HD bit
|
|---|
| 38 | add dx, ax
|
|---|
| 39 | .ReturnItemIndexInDX:
|
|---|
| 40 | ret
|
|---|
| 41 |
|
|---|
| 42 |
|
|---|
| 43 | ;--------------------------------------------------------------------
|
|---|
| 44 | ; BootMenuEvent_Handler
|
|---|
| 45 | ; Common parameters for all events:
|
|---|
| 46 | ; BX: Menu event (anything from MENUEVENT struct)
|
|---|
| 47 | ; SS:BP: Menu library handle
|
|---|
| 48 | ; Common return values for all events:
|
|---|
| 49 | ; CF: Set if event processed
|
|---|
| 50 | ; Cleared if event not processed
|
|---|
| 51 | ; Corrupts registers:
|
|---|
| 52 | ; All
|
|---|
| 53 | ;--------------------------------------------------------------------
|
|---|
| 54 | BootMenuEvent_Handler:
|
|---|
| 55 | LOAD_BDA_SEGMENT_TO es, di
|
|---|
| 56 | call RamVars_GetSegmentToDS
|
|---|
| 57 |
|
|---|
| 58 | %ifdef MENUEVENT_INLINE_OFFSETS
|
|---|
| 59 |
|
|---|
| 60 | add bx, FirstEvent
|
|---|
| 61 | jmp bx
|
|---|
| 62 |
|
|---|
| [489] | 63 | .EventNotHandled:
|
|---|
| 64 | .DoNotSetDefaultMenuitem:
|
|---|
| [392] | 65 | xor dx, dx ; Clear CF (and menuitem index for DoNotSetDefaultMenuitem)
|
|---|
| 66 | ret
|
|---|
| 67 |
|
|---|
| 68 | MENUEVENT_InitializeMenuinitFromDSSI equ (EventInitializeMenuinitFromSSBP - FirstEvent)
|
|---|
| 69 | MENUEVENT_ExitMenu equ (BootMenuEvent_Completed - FirstEvent)
|
|---|
| 70 | MENUEVENT_ItemHighlightedFromCX equ (EventItemHighlightedFromCX - FirstEvent)
|
|---|
| [528] | 71 | MENUEVENT_KeyStrokeInAX equ (EventKeyStrokeInAX - FirstEvent)
|
|---|
| [392] | 72 | MENUEVENT_ItemSelectedFromCX equ (EventItemSelectedFromCX - FirstEvent)
|
|---|
| 73 | MENUEVENT_RefreshTitle equ (BootMenuPrint_TitleStrings - FirstEvent)
|
|---|
| 74 | MENUEVENT_RefreshInformation equ (BootMenuPrint_RefreshInformation - FirstEvent)
|
|---|
| 75 | MENUEVENT_RefreshItemFromCX equ (BootMenuPrint_RefreshItem - FirstEvent)
|
|---|
| 76 | ;
|
|---|
| 77 | ; Note that there is no entry for MENUEVENT_IdleProcessing. If MENUEVENT_IDLEPROCESSING_ENABLE is not %defined,
|
|---|
| 78 | ; then the entry point will not be called (saving memory on this end and at the CALL point).
|
|---|
| 79 | ;
|
|---|
| 80 |
|
|---|
| 81 | %else
|
|---|
| 82 |
|
|---|
| 83 | cmp bx, BYTE MENUEVENT.RefreshItemFromCX ; Above last supported item?
|
|---|
| [489] | 84 | ja SHORT .EventNotHandled
|
|---|
| [392] | 85 | jmp [cs:bx+rgfnEventSpecificHandlers]
|
|---|
| 86 |
|
|---|
| [489] | 87 | .EventNotHandled:
|
|---|
| 88 | .DoNotSetDefaultMenuitem:
|
|---|
| [392] | 89 | xor dx, dx ; Clear CF (and menuitem index for DoNotSetDefaultMenuitem)
|
|---|
| 90 | ret
|
|---|
| 91 |
|
|---|
| 92 | rgfnEventSpecificHandlers:
|
|---|
| 93 | dw EventInitializeMenuinitFromSSBP ; MENUEVENT.InitializeMenuinitFromDSSI
|
|---|
| 94 | dw EventCompleted ; MENUEVENT.ExitMenu
|
|---|
| 95 | dw EventNotHandled ; MENUEVENT.IdleProcessing
|
|---|
| 96 | dw EventItemHighlightedFromCX ; MENUEVENT.ItemHighlightedFromCX
|
|---|
| [528] | 97 |
|
|---|
| [392] | 98 | dw EventItemSelectedFromCX ; MENUEVENT.ItemSelectedFromCX
|
|---|
| 99 | dw EventKeyStrokeInAX ; MENUEVENT.KeyStrokeInAX
|
|---|
| 100 | dw BootMenuPrint_TitleStrings ; MENUEVENT.RefreshTitle
|
|---|
| 101 | dw BootMenuPrint_RefreshInformation ; MENUEVENT.RefreshInformation
|
|---|
| 102 | dw BootMenuPrint_RefreshItem ; MENUEVENT.RefreshItemFromCX
|
|---|
| 103 |
|
|---|
| 104 | %endif
|
|---|
| 105 |
|
|---|
| 106 |
|
|---|
| 107 | ;--------------------------------------------------------------------
|
|---|
| 108 | ; EventInitializeMenuinitFromSSBP
|
|---|
| 109 | ; Parameters
|
|---|
| 110 | ; DS: Ptr to RAMVARS
|
|---|
| 111 | ; ES: Ptr to BDA (zero)
|
|---|
| 112 | ; SS:BP: Ptr to MENUINIT struct to initialize
|
|---|
| 113 | ; Returns:
|
|---|
| 114 | ; CF: Set if event processed
|
|---|
| 115 | ; Cleared if event not processed
|
|---|
| 116 | ; Corrupts registers:
|
|---|
| 117 | ; Does not matter
|
|---|
| 118 | ;--------------------------------------------------------------------
|
|---|
| [526] | 119 | FirstEvent:
|
|---|
| [392] | 120 | EventInitializeMenuinitFromSSBP:
|
|---|
| 121 | ; Store default Menuitem (=default drive to boot from)
|
|---|
| [492] | 122 | xor dx, dx
|
|---|
| [392] | 123 | mov [bp+MENUINIT.wHighlightedItem], dx
|
|---|
| 124 |
|
|---|
| 125 | ; Store number of Menuitems
|
|---|
| 126 | call RamVars_GetHardDiskCountFromBDAtoAX
|
|---|
| 127 | xchg ax, cx
|
|---|
| 128 | call FloppyDrive_GetCountToAX
|
|---|
| 129 | add ax, cx
|
|---|
| [492] | 130 | inc ax ; extra entry for ROM Boot item
|
|---|
| [392] | 131 | mov [bp+MENUINIT.wItems], ax
|
|---|
| [526] | 132 |
|
|---|
| [392] | 133 | ; Store menu size
|
|---|
| 134 | mov WORD [bp+MENUINIT.wTitleAndInfoLines], BOOT_MENU_TITLE_AND_INFO_LINES
|
|---|
| 135 | mov BYTE [bp+MENUINIT.bWidth], BOOT_MENU_WIDTH
|
|---|
| 136 | add al, BOOT_MENU_HEIGHT_WITHOUT_ITEMS
|
|---|
| 137 | xchg cx, ax
|
|---|
| 138 | CALL_DISPLAY_LIBRARY GetColumnsToALandRowsToAH
|
|---|
| 139 | MIN_U ah, cl
|
|---|
| 140 | mov [bp+MENUINIT.bHeight], ah
|
|---|
| 141 |
|
|---|
| 142 | ; Store selection timeout
|
|---|
| 143 | mov ax, [cs:ROMVARS.wBootTimeout]
|
|---|
| 144 | CALL_MENU_LIBRARY StartSelectionTimeoutWithTicksInAX
|
|---|
| 145 | stc
|
|---|
| 146 | ret
|
|---|
| 147 |
|
|---|
| 148 |
|
|---|
| 149 | ;--------------------------------------------------------------------
|
|---|
| 150 | ; EventItemHighlightedFromCX
|
|---|
| 151 | ; Parameters
|
|---|
| 152 | ; CX: Index of new highlighted item
|
|---|
| 153 | ; DX: Index of previously highlighted item or NO_ITEM_HIGHLIGHTED
|
|---|
| 154 | ; DS: Ptr to RAMVARS
|
|---|
| 155 | ; ES: Ptr to BDA (zero)
|
|---|
| 156 | ; SS:BP: Menu library handle
|
|---|
| 157 | ; Returns:
|
|---|
| 158 | ; CF: Set if event processed
|
|---|
| 159 | ; Cleared if event not processed
|
|---|
| 160 | ; Corrupts registers:
|
|---|
| 161 | ; Does not matter
|
|---|
| 162 | ;--------------------------------------------------------------------
|
|---|
| 163 | EventItemHighlightedFromCX:
|
|---|
| 164 | push cx
|
|---|
| [528] | 165 |
|
|---|
| 166 | ; Drive number translations and hotkeys must be reset to defaults so highlighted
|
|---|
| 167 | ; selections are correctly displayed on Hotkey Bar and on Boot Menu
|
|---|
| 168 | %ifdef MODULE_HOTKEYS
|
|---|
| 169 | call BootVars_StoreDefaultDriveLettersToHotkeyVars
|
|---|
| 170 | %endif
|
|---|
| 171 | call DriveXlate_Reset
|
|---|
| 172 |
|
|---|
| 173 | ; Set highlighted item to be drive to boot from for visual purposes only
|
|---|
| [526] | 174 | call BootMenu_GetDriveToDXforMenuitemInCX
|
|---|
| [528] | 175 | jnc SHORT .noDriveSwapSinceRomBootSelected
|
|---|
| [392] | 176 | call DriveXlate_SetDriveToSwap
|
|---|
| [526] | 177 |
|
|---|
| [528] | 178 | %ifdef MODULE_HOTKEYS
|
|---|
| 179 | ; Store highlighted drive as hotkey
|
|---|
| 180 | call HotkeyBar_StoreHotkeyToBootvarsForDriveNumberInDL
|
|---|
| 181 | jmp SHORT .UpdateHotkeyBar
|
|---|
| 182 | .noDriveSwapSinceRomBootSelected:
|
|---|
| 183 | mov ah, ROM_BOOT_HOTKEY_SCANCODE
|
|---|
| 184 | call HotkeyBar_StoreHotkeyToBootvarsIfValidKeystrokeInAX
|
|---|
| 185 |
|
|---|
| 186 | .UpdateHotkeyBar:
|
|---|
| 187 | ; Redraw Hotkey Bar for updated boot drive letters
|
|---|
| 188 | mov al, MONO_NORMAL
|
|---|
| 189 | CALL_DISPLAY_LIBRARY SetCharacterAttributeFromAL
|
|---|
| 190 |
|
|---|
| 191 | mov bl, ATTRIBUTES_ARE_USED
|
|---|
| 192 | mov ax, TELETYPE_OUTPUT_WITH_ATTRIBUTE
|
|---|
| 193 | CALL_DISPLAY_LIBRARY SetCharOutputFunctionFromAXwithAttribFlagInBL
|
|---|
| 194 | call HotkeyBar_DrawToTopOfScreen
|
|---|
| 195 | %else
|
|---|
| 196 | .noDriveSwapSinceRomBootSelected:
|
|---|
| 197 | %endif ; MODULE_HOTKEYS
|
|---|
| 198 |
|
|---|
| [392] | 199 | ; Redraw changes in drive numbers
|
|---|
| 200 | xor ax, ax ; Update first floppy drive (for translated drive number)
|
|---|
| 201 | CALL_MENU_LIBRARY RefreshItemFromAX
|
|---|
| 202 | mov dl, 80h
|
|---|
| 203 | call GetMenuitemToDXforDriveInDL
|
|---|
| 204 | xchg ax, dx ; Update first hard disk (for translated drive number)
|
|---|
| 205 | CALL_MENU_LIBRARY RefreshItemFromAX
|
|---|
| 206 | pop ax ; Update new item (for translated drive number)
|
|---|
| 207 | CALL_MENU_LIBRARY RefreshItemFromAX
|
|---|
| 208 | CALL_MENU_LIBRARY RefreshInformation
|
|---|
| 209 | stc
|
|---|
| 210 | ret
|
|---|
| 211 |
|
|---|
| [526] | 212 |
|
|---|
| [392] | 213 | ;--------------------------------------------------------------------
|
|---|
| [528] | 214 | ; EventKeyStrokeInAX
|
|---|
| 215 | ; Parameters
|
|---|
| 216 | ; AL: ASCII character for the key
|
|---|
| 217 | ; AH: Keyboard library scan code for the key
|
|---|
| 218 | ; DS: Ptr to RAMVARS
|
|---|
| 219 | ; ES: Ptr to BDA (zero)
|
|---|
| 220 | ; SS:BP: Menu library handle
|
|---|
| 221 | ; Returns:
|
|---|
| 222 | ; CF: Set if event processed
|
|---|
| 223 | ; Cleared if event not processed
|
|---|
| 224 | ; Corrupts registers:
|
|---|
| 225 | ; Does not matter
|
|---|
| 226 | ;--------------------------------------------------------------------
|
|---|
| 227 | %ifdef MODULE_HOTKEYS
|
|---|
| 228 | EventKeyStrokeInAX:
|
|---|
| 229 | ; Keypress will be the primary boot drive
|
|---|
| 230 | cmp ah, BOOT_MENU_HOTKEY_SCANCODE
|
|---|
| 231 | je SHORT BootMenuEvent_Completed ; Ignore Boot Menu hotkey
|
|---|
| 232 | call HotkeyBar_StoreHotkeyToBootvarsIfValidKeystrokeInAX
|
|---|
| 233 | jnc SHORT BootMenuEvent_Completed
|
|---|
| 234 | ; Fall to CloseBootMenu through EventItemSelectedFromCX
|
|---|
| 235 | %endif
|
|---|
| 236 |
|
|---|
| 237 |
|
|---|
| 238 | ;--------------------------------------------------------------------
|
|---|
| [395] | 239 | ; EventItemSelectedFromCX
|
|---|
| [392] | 240 | ; Parameters
|
|---|
| [395] | 241 | ; CX: Index of selected item
|
|---|
| [392] | 242 | ; DS: Ptr to RAMVARS
|
|---|
| 243 | ; ES: Ptr to BDA (zero)
|
|---|
| 244 | ; SS:BP: Menu library handle
|
|---|
| 245 | ; Returns:
|
|---|
| 246 | ; CF: Set if event processed
|
|---|
| 247 | ; Cleared if event not processed
|
|---|
| 248 | ; Corrupts registers:
|
|---|
| 249 | ; Does not matter
|
|---|
| 250 | ;--------------------------------------------------------------------
|
|---|
| [395] | 251 | EventItemSelectedFromCX:
|
|---|
| [392] | 252 | ; Fall to CloseBootMenu
|
|---|
| 253 |
|
|---|
| 254 |
|
|---|
| 255 | ;--------------------------------------------------------------------
|
|---|
| 256 | ; CloseBootMenu
|
|---|
| 257 | ; Parameters
|
|---|
| 258 | ; DS: RAMVARS segment
|
|---|
| 259 | ; ES: BDA segment (zero)
|
|---|
| 260 | ; Returns:
|
|---|
| 261 | ; Nothing
|
|---|
| 262 | ; Corrupts registers:
|
|---|
| 263 | ; Does not matter
|
|---|
| 264 | ;--------------------------------------------------------------------
|
|---|
| 265 | CloseBootMenu:
|
|---|
| 266 | CALL_MENU_LIBRARY Close
|
|---|
| 267 | ; Fall to BootMenuEvent_Completed
|
|---|
| 268 |
|
|---|
| [526] | 269 |
|
|---|
| [392] | 270 | ;--------------------------------------------------------------------
|
|---|
| 271 | ; BootMenuEvent_Completed
|
|---|
| 272 | ; Parameters
|
|---|
| 273 | ; Nothing
|
|---|
| 274 | ; Returns:
|
|---|
| 275 | ; CF: Set to exit from menu
|
|---|
| 276 | ; Corrupts registers:
|
|---|
| 277 | ; Nothing
|
|---|
| 278 | ;--------------------------------------------------------------------
|
|---|
| 279 | BootMenuEvent_Completed:
|
|---|
| 280 | stc
|
|---|
| [528] | 281 | %ifndef MODULE_HOTKEYS
|
|---|
| 282 | EventKeyStrokeInAX:
|
|---|
| 283 | %endif
|
|---|
| [392] | 284 | ret
|
|---|
