source: xtideuniversalbios/trunk/Configurator/Src/MenuPageItemFormat.asm@ 34

; File name     :   MenuPageItemFormat.asm
; Project name  :   XTIDE Univeral BIOS Configurator
; Created date  :   15.4.2010
; Last update   :   30.4.2010
; Author        :   Tomi Tilli
; Description   :   Functions for formatting 
;                   menuitem names from MENUPAGEITEM.

; Section containing code
SECTION .text

;--------------------------------------------------------------------
; Prints lookup string for index values.
;
; MenuPageItemFormat_LookupString
;   Parameters:
;       DS:DI:  Ptr to MENUPAGEITEM
;   Returns:
;       Nothing
;   Corrupts registers:
;       AX, BX, DX, SI
;--------------------------------------------------------------------
ALIGN JUMP_ALIGN
MenuPageItemFormat_LookupString:
    mov     si, [di+MENUPAGEITEM.rgszLookup]    ; Load offset to string lookup table
    mov     bx, [di+MENUPAGEITEM.pValue]        ; Ptr to value containing lookup index
    eMOVZX  bx, BYTE [bx]                       ; BX=lookup index (values are already shifted for WORD lookup)
    push    WORD [bx+si]                        ; Push offset to string to print
    mov     dh, 4                               ; Total of 4 bytes for formatting params
    mov     si, .szStringName                   ; Offset to format string
    jmp     MenuPageItemFormat_NameWithParamsPushed
.szStringName:  db  "+%22s[%7s]",STOP


;--------------------------------------------------------------------
; Prints menuitem name for any MENUPAGEITEM.
;
; MenuPageItemFormat_NameForAnyType
;   Parameters:
;       DS:DI:  Ptr to MENUPAGEITEM
;   Returns:
;       Nothing
;   Corrupts registers:
;       AX, BX, DX, SI
;--------------------------------------------------------------------
ALIGN JUMP_ALIGN
MenuPageItemFormat_NameForAnyType:
    eMOVZX  bx, BYTE [di+MENUPAGEITEM.bType]    ; Load menuitem type
    jmp     [cs:bx+.rgfnPrintBasedOnType]
ALIGN WORD_ALIGN
.rgfnPrintBasedOnType:
    dw      MenuPageItemFormat_NameForBackToPreviousSubmenu     ; TYPE_MENUPAGEITEM_BACK
    dw      MenuPageItemFormat_NameForNextSubmenu               ; TYPE_MENUPAGEITEM_NEXT
    dw      MenuPageItemFormat_NameForSpecialFunction           ; TYPE_MENUPAGEITEM_SPECIAL
    dw      MenuPageItemFormat_NameWithUnsignedByteValue        ; TYPE_MENUPAGEITEM_UNSIGNED_BYTE
    dw      MenuPageItemFormat_NameWithUnsignedWordValue        ; TYPE_MENUPAGEITEM_UNSIGNED_WORD
    dw      MenuPageItemFormat_NameWithByteHexadecimalValue     ; TYPE_MENUPAGEITEM_HEX_BYTE
    dw      MenuPageItemFormat_NameWithWordHexadecimalValue     ; TYPE_MENUPAGEITEM_HEX_WORD
    dw      MenuPageItemFormat_NameWithFlagValue                ; TYPE_MENUPAGEITEM_FLAG


;--------------------------------------------------------------------
; Prints "Back to previous menu" menuitem.
;
; MenuPageItemFormat_NameForBackToPreviousSubmenu
;   Parameters:
;       DS:DI:  Ptr to MENUPAGEITEM
;   Returns:
;       Nothing
;   Corrupts registers:
;       AX, BX, DX
;--------------------------------------------------------------------
ALIGN JUMP_ALIGN
MenuPageItemFormat_NameForBackToPreviousSubmenu:
    mov     dh, 2                               ; Total of 2 bytes for formatting params
    mov     si, .szPrevMenu                     ; Offset to format string
    jmp     MenuPageItemFormat_NameWithParamsPushed
.szPrevMenu:        db  "-%32s",STOP


;--------------------------------------------------------------------
; Prints menuitem name for menuitem that opens new submenu.
;
; MenuPageItemFormat_NameForNextSubmenu
;   Parameters:
;       DS:DI:  Ptr to MENUPAGEITEM
;   Returns:
;       Nothing
;   Corrupts registers:
;       AX, DX, SI
;--------------------------------------------------------------------
ALIGN JUMP_ALIGN
MenuPageItemFormat_NameForNextSubmenu:
    mov     dh, 2                               ; Total of 2 bytes for formatting params
    mov     si, .szNextMenu                     ; Offset to format string
    jmp     MenuPageItemFormat_NameWithParamsPushed
.szNextMenu:        db  "+%32s",STOP


;--------------------------------------------------------------------
; Prints menuitem name for menuitem with special function.
;
; MenuPageItemFormat_NameForSpecialFunction
;   Parameters:
;       DS:DI:  Ptr to MENUPAGEITEM
;   Returns:
;       Nothing
;   Corrupts registers:
;       AX, DX, SI
;--------------------------------------------------------------------
ALIGN JUMP_ALIGN
MenuPageItemFormat_NameForSpecialFunction:
    mov     dh, 2                               ; Total of 2 bytes for formatting params
    mov     si, .szSpecial                      ; Offset to format string
    jmp     MenuPageItemFormat_NameWithParamsPushed
.szSpecial:         db  "*%32s",STOP


;--------------------------------------------------------------------
; Prints menuitem name with unsigned integer value.
;
; MenuPageItemFormat_NameWithUnsignedByteValue
; MenuPageItemFormat_NameWithUnsignedWordValue
;   Parameters:
;       DS:DI:  Ptr to MENUPAGEITEM
;   Returns:
;       Nothing
;   Corrupts registers:
;       AX, DX, SI
;--------------------------------------------------------------------
ALIGN JUMP_ALIGN
MenuPageItemFormat_NameWithUnsignedByteValue:
    mov     si, [di+MENUPAGEITEM.pValue]        ; DS:SI points to value
    eMOVZX  ax, BYTE [si]                       ; Load byte to AX
    push    ax                                  ; Push byte
    jmp     SHORT MenuPageItemFormat_NameWithUnsignedValuePushed
ALIGN JUMP_ALIGN
MenuPageItemFormat_NameWithUnsignedWordValue:
    mov     si, [di+MENUPAGEITEM.pValue]        ; DS:SI points to value
    push    WORD [si]                           ; Push integer value
MenuPageItemFormat_NameWithUnsignedValuePushed:
    mov     dh, 4                               ; Total of 4 bytes for formatting params
    mov     si, .szIntegerName                  ; Offset to format string
    jmp     SHORT MenuPageItemFormat_NameWithParamsPushed
.szIntegerName: db  "%25s[%5u]",STOP


;--------------------------------------------------------------------
; Prints menuitem name with hexadecimal value.
;
; MenuPageItemFormat_NameWithByteHexadecimalValue
; MenuPageItemFormat_NameWithWordHexadecimalValue
;   Parameters:
;       DS:DI:  Ptr to MENUPAGEITEM
;   Returns:
;       Nothing
;   Corrupts registers:
;       AX, DX, SI
;--------------------------------------------------------------------
ALIGN JUMP_ALIGN
MenuPageItemFormat_NameWithByteHexadecimalValue:
    mov     si, [di+MENUPAGEITEM.pValue]        ; DS:SI points to value
    eMOVZX  ax, BYTE [si]                       ; Load byte to AX
    push    ax                                  ; Push byte
    jmp     SHORT MenuPageItemFormat_NameWithHexadecimalValuePushed
ALIGN JUMP_ALIGN
MenuPageItemFormat_NameWithWordHexadecimalValue:
    mov     si, [di+MENUPAGEITEM.pValue]        ; DS:SI points to value
    push    WORD [si]                           ; Push hexadecimal value
MenuPageItemFormat_NameWithHexadecimalValuePushed:
    mov     dh, 4                               ; Total of 4 bytes for formatting params
    mov     si, .szHexName                      ; Offset to format string
    jmp     SHORT MenuPageItemFormat_NameWithParamsPushed
.szHexName:     db  "%25s[%5x]",STOP


;--------------------------------------------------------------------
; Prints menuitem name with Y/N flag value.
;
; MenuPageItemFormat_NameWithFlagValue
;   Parameters:
;       DS:DI:  Ptr to MENUPAGEITEM
;   Returns:
;       Nothing
;   Corrupts registers:
;       AX, DX, SI
;--------------------------------------------------------------------
ALIGN JUMP_ALIGN
MenuPageItemFormat_NameWithFlagValue:
    mov     dx, 044Eh                           ; DH=4 bytes in stack, DL='N'
    mov     si, [di+MENUPAGEITEM.pValue]        ; DS:SI points to value
    mov     ax, [si]                            ; Load value
    test    ax, [di+MENUPAGEITEM.wValueMask]    ; Flag set?
    jz      SHORT .PushFlagValueChar
    mov     dl, 'Y'
.PushFlagValueChar:
    push    dx
    mov     si, .szFlagName                     ; Offset to format string
    jmp     SHORT MenuPageItemFormat_NameWithParamsPushed
.szFlagName:    db  "%25s[%5c]",STOP


;--------------------------------------------------------------------
; Prints formatted menuitem name.
;
; MenuPageItemFormat_NameWithParamsPushed
;   Parameters:
;       DH:     Number of bytes pushed to stack + 2 for name string
;       SI:     Offset to formatting string
;       DS:DI:  Ptr to MENUPAGEITEM
;       DS:     String segment
;       Stack:  Formatting parameters except menuitem name
;   Returns:
;       Nothing
;   Corrupts registers:
;       AX, SI
;--------------------------------------------------------------------
ALIGN JUMP_ALIGN
MenuPageItemFormat_NameWithParamsPushed:
    push    WORD [di+MENUPAGEITEM.szName]
    mov     dl, ' '             ; Min length character
    call    Print_Format
    eMOVZX  ax, dh
    add     sp, ax              ; Clear format parameters from stack
    ret