Changeset 88 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Src/Boot/BootMenu.asm

Timestamp:

Jan 27, 2011, 8:14:13 AM (14 years ago)

Author:

Tomi Tilli

google:author:

aitotat

Message:

Changes to XTIDE Universal BIOS:

• Now uses new libraries (untested)
• Non-working since code size is too large

File:

• trunk/XTIDE_Universal_BIOS/Src/Boot/BootMenu.asm (modified) (5 diffs)

trunk/XTIDE_Universal_BIOS/Src/Boot/BootMenu.asm

@@ -1 @@
-; File name     :   BootMenu.asm
-; Project name  :   IDE BIOS
-; Created date  :   25.3.2010
-; Last update   :   14.1.2011
-; Author        :   Tomi Tilli,
-;               :   Krister Nordvall (optimizations)
+; Project name  :   XTIDE Universal BIOS
 ; Description   :   Displays Boot Menu.
 
@@ -28 +23 @@
     call    DriveXlate_Reset
     call    BootMenuPrint_TheBottomOfScreen
-    call    BootMenu_GetMenuitemCount
-    mov     di, BootMenuEvent_Handler
     call    BootMenu_Enter          ; Get selected menuitem index to CX
     call    BootMenuPrint_ClearScreen
-    test    cx, cx                  ; -1 if nothing selected (ESC pressed)
-    js      SHORT BootMenu_DisplayAndReturnSelection
-    call    BootMenu_CheckAndConvertHotkeyToMenuitem
-    jc      SHORT .SetDriveTranslationForHotkey
+    cmp     cx, BYTE NO_ITEM_SELECTED
+    je      SHORT BootMenu_DisplayAndReturnSelection
     jmp     BootMenu_ConvertMenuitemToDriveOrFunction
-ALIGN JUMP_ALIGN
-.SetDriveTranslationForHotkey:
-    call    BootMenu_ConvertMenuitemToDriveOrFunction
-    call    DriveXlate_SetDriveToSwap
-    clc
+
+
+;--------------------------------------------------------------------
+; Enters Boot Menu or submenu.
+;
+; BootMenu_Enter
+;   Parameters:
+;       Nothing
+;   Returns:
+;       CX:     Index of selected item or NO_ITEM_SELECTED
+;   Corrupts registers:
+;       BX, DI
+;--------------------------------------------------------------------
+ALIGN JUMP_ALIGN
+BootMenu_Enter:
+    mov     bx, BootMenuEvent_Handler
+    CALL_MENU_LIBRARY DisplayWithHandlerInBXandUserDataInDXAX
+    xchg    cx, ax
     ret
 
@@ -48 +52 @@
 ; Returns number of menuitems in Boot Menu.
 ;
-; BootMenu_GetMenuitemCount
+; BootMenu_GetMenuitemCountToCX
 ;   Parameters:
 ;       DS:     RAMVARS segment
@@ -57 +61 @@
 ;--------------------------------------------------------------------
 ALIGN JUMP_ALIGN
-BootMenu_GetMenuitemCount:
+BootMenu_GetMenuitemCountToCX:
     call    RamVars_GetHardDiskCountFromBDAtoCX
     xchg    ax, cx
@@ -89 +93 @@
 
 ;--------------------------------------------------------------------
-; Enters Boot Menu or submenu.
-;
-; BootMenu_Enter
-;   Parameters:
-;       CX:     Number of menuitems in menu
-;       DS:SI:  User specific far pointer
-;       CS:DI:  Pointer to menu event handler function
-;   Returns:
-;       CX:     Index of last pointed Menuitem (not necessary selected with ENTER)
-;               FFFFh if cancelled with ESC
-;   Corrupts registers:
-;       AX, BX, DX
-;--------------------------------------------------------------------
-ALIGN JUMP_ALIGN
-BootMenu_Enter:
-    call    BootMenu_GetSelectionTimeout
-    call    BootMenu_GetSize
-    MIN_U   ah, [cs:ROMVARS.bBootMnuH]      ; Limit to max height
-    jmp     Menu_Enter
-
-;--------------------------------------------------------------------
-; Returns Boot Menu selection timeout in milliseconds.
-;
-; BootMenu_GetSelectionTimeout
-;   Parameters:
-;       Nothing
-;   Returns:
-;       DX:     Selection timeout in millisecs
-;   Corrupts registers:
-;       AX
-;--------------------------------------------------------------------
-ALIGN JUMP_ALIGN
-BootMenu_GetSelectionTimeout:
-    mov     ax, 1000            ; Seconds to milliseconds
-    eMOVZX  dx, BYTE [cs:ROMVARS.bBootDelay]
-    mul     dx                  ; AX = seconds * milliseconds_per_second
-    xchg    ax, dx              ; DX = Timeout in millisecs
-    ret
-
-;--------------------------------------------------------------------
-; Returns Boot Menu size.
-;
-; BootMenu_GetSize
-;   Parameters:
-;       Nothing
-;   Returns:
-;       AL:     Menu width with borders included (characters)
-;       AH:     Menu height with borders included (characters)
-;       BL:     Title line count
-;       BH:     Info line count
-;   Corrupts registers:
-;       Nothing
-;--------------------------------------------------------------------
-ALIGN JUMP_ALIGN
-BootMenu_GetSize:
-    mov     al, MENU_WIDTH_IN_CHARS
-    mov     ah, cl                      ; Copy menuitem count to AH
-    test    BYTE [cs:ROMVARS.wFlags], FLG_ROMVARS_DRVNFO
-    jz      SHORT .GetHeightWithoutInfoArea
-;.GetHeightWithInfoArea:
-    add     ah, MENU_HEIGHT_IN_CHARS_WITH_INFO
-    mov     bx, (MENU_INFO_LINE_CNT<<8) | MENU_TITLE_LINE_CNT
-    ret
-ALIGN JUMP_ALIGN
-.GetHeightWithoutInfoArea:
-    add     ah, MENU_HEIGHT_IN_CHARS_WITHOUT_INFO
-    mov     bx, MENU_TITLE_LINE_CNT
-    ret
-
-
-;--------------------------------------------------------------------
-; Checks if hotkey has been pressed on Boot Menu.
-; If it has been, it will be converted to menuitem index.
-;
-; BootMenu_CheckAndConvertHotkeyToMenuitem
-;   Parameters:
-;       CX:     Menuitem index (if no hotkey)
-;   Returns:
-;       CX:     Menuitem index
-;       CF:     Set if hotkey has been pressed
-;               Cleared if no hotkey selection
-;   Corrupts registers:
-;       AX
-;--------------------------------------------------------------------
-ALIGN JUMP_ALIGN
-BootMenu_CheckAndConvertHotkeyToMenuitem:
-    push    es
-    LOAD_BDA_SEGMENT_TO es, ax              ; Zero AX
-    xchg    al, [es:BOOTVARS.bMenuHotkey]   ; Load and clear hotkey
-    test    al, al                          ; No hotkey? (clears CF)
-    jz      SHORT .Return
-    call    BootMenu_ConvertHotkeyToMenuitem
-    stc
-ALIGN JUMP_ALIGN
-.Return:
-    pop     es
-    ret
+; BootMenu_GetHeightToALwithItemCountInCL
+;   Parameters:
+;       CL:     Number of menuitems
+;   Returns:
+;       AH:     Boot menu height
+;   Corrupts registers:
+;       AL, CL, DI
+;--------------------------------------------------------------------
+ALIGN JUMP_ALIGN
+BootMenu_GetHeightToAHwithItemCountInCL:
+    add     cl, BOOT_MENU_HEIGHT_WITHOUT_ITEMS
+    CALL_DISPLAY_LIBRARY GetColumnsToALandRowsToAH
+    MIN_U   ah, cl
+    ret
+
 
 ;--------------------------------------------------------------------