[54] | 1 | ; File name : DialogDrive.asm |
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| 2 | ; Project name : Assembly Library |
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| 3 | ; Created date : 22.10.2010 |
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[58] | 4 | ; Last update : 18.11.2010 |
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[54] | 5 | ; Author : Tomi Tilli |
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| 6 | ; Description : Displays drive dialog. |
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| 7 | |
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[376] | 8 | ; |
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| 9 | ; XTIDE Universal BIOS and Associated Tools |
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| 10 | ; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2012 by XTIDE Universal BIOS Team. |
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| 11 | ; |
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| 12 | ; This program is free software; you can redistribute it and/or modify |
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| 13 | ; it under the terms of the GNU General Public License as published by |
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| 14 | ; the Free Software Foundation; either version 2 of the License, or |
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| 15 | ; (at your option) any later version. |
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| 16 | ; |
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| 17 | ; This program is distributed in the hope that it will be useful, |
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| 18 | ; but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 19 | ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 20 | ; GNU General Public License for more details. |
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| 21 | ; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html |
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| 22 | ; |
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[54] | 23 | |
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| 24 | ; Section containing code |
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| 25 | SECTION .text |
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| 26 | |
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| 27 | ;-------------------------------------------------------------------- |
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| 28 | ; DialogDrive_GetDriveWithIoInDSSI |
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| 29 | ; Parameters: |
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| 30 | ; DS:SI: Ptr to DRIVE_DIALOG_IO |
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| 31 | ; SS:BP: Ptr to parent MENU |
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| 32 | ; Returns: |
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| 33 | ; Nothing |
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| 34 | ; Corrupts registers: |
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| 35 | ; AX, BX, CX, DX, SI, DI |
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| 36 | ;-------------------------------------------------------------------- |
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| 37 | ALIGN JUMP_ALIGN |
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| 38 | DialogDrive_GetDriveWithIoInDSSI: |
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| 39 | mov bx, DriveEventHandler |
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| 40 | mov BYTE [si+DRIVE_DIALOG_IO.bUserCancellation], TRUE |
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| 41 | jmp Dialog_DisplayWithDialogInputInDSSIandHandlerInBX |
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| 42 | |
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| 43 | |
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| 44 | ;-------------------------------------------------------------------- |
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| 45 | ; DriveEventHandler |
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| 46 | ; Common parameters for all events: |
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| 47 | ; BX: Menu event (anything from MENUEVENT struct) |
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| 48 | ; SS:BP: Ptr to DIALOG |
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| 49 | ; Common return values for all events: |
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| 50 | ; CF: Set if event processed |
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| 51 | ; Cleared if event not processed |
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| 52 | ; Corrupts registers: |
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| 53 | ; All |
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| 54 | ;-------------------------------------------------------------------- |
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| 55 | ALIGN JUMP_ALIGN |
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| 56 | DriveEventHandler: |
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| 57 | jmp [cs:bx+.rgfnEventHandlers] |
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| 58 | |
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| 59 | |
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| 60 | ALIGN JUMP_ALIGN |
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| 61 | .InitializeMenuinitFromDSSI: |
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| 62 | xor ax, ax |
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| 63 | call Dialog_EventInitializeMenuinitFromDSSIforSingleItemWithHighlightedItemInAX |
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| 64 | call Drive_GetFlagsForAvailableDrivesToDXAX |
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| 65 | mov [bp+MENU.dwUserData], ax |
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| 66 | mov [bp+MENU.dwUserData+2], dx |
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| 67 | |
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| 68 | call Bit_GetSetCountToCXfromDXAX |
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| 69 | mov [bp+MENUINIT.wItems], cx |
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| 70 | |
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| 71 | dec cx ; Items initialized to one. Ignore it. |
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| 72 | add cl, [bp+MENUINIT.bHeight] |
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| 73 | CALL_DISPLAY_LIBRARY GetColumnsToALandRowsToAH |
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| 74 | MIN_U cl, ah |
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| 75 | mov [bp+MENUINIT.bHeight], cl |
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| 76 | ret |
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| 77 | |
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| 78 | |
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| 79 | ALIGN JUMP_ALIGN |
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| 80 | .ItemSelectedFromCX: |
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| 81 | call ConvertDriveLetterToBLfromItemIndexInCX |
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| 82 | lds si, [bp+DIALOG.fpDialogIO] |
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| 83 | mov BYTE [si+DRIVE_DIALOG_IO.bUserCancellation], FALSE |
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| 84 | mov [si+DRIVE_DIALOG_IO.cReturnDriveLetter], bl |
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| 85 | sub bl, 'A' |
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| 86 | mov [si+DRIVE_DIALOG_IO.bReturnDriveNumber], bl |
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| 87 | jmp MenuInit_CloseMenuWindow |
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| 88 | |
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| 89 | |
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| 90 | ALIGN JUMP_ALIGN |
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| 91 | .RefreshItemFromCX: |
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| 92 | push bp |
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| 93 | |
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| 94 | call ConvertDriveLetterToBLfromItemIndexInCX |
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| 95 | mov bp, sp |
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| 96 | push bx |
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| 97 | mov si, g_szDriveFormat |
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| 98 | CALL_DISPLAY_LIBRARY FormatNullTerminatedStringFromCSSI |
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| 99 | |
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| 100 | pop bp |
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| 101 | stc |
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| 102 | ret |
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| 103 | |
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| 104 | |
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| 105 | .rgfnEventHandlers: |
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| 106 | istruc MENUEVENT |
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| 107 | at MENUEVENT.InitializeMenuinitFromDSSI, dw .InitializeMenuinitFromDSSI |
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[58] | 108 | at MENUEVENT.ExitMenu, dw Dialog_EventExitMenu |
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[54] | 109 | at MENUEVENT.IdleProcessing, dw Dialog_EventNotHandled |
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| 110 | at MENUEVENT.ItemHighlightedFromCX, dw Dialog_EventNotHandled |
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| 111 | at MENUEVENT.ItemSelectedFromCX, dw .ItemSelectedFromCX |
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| 112 | at MENUEVENT.KeyStrokeInAX, dw Dialog_EventNotHandled |
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| 113 | at MENUEVENT.RefreshTitle, dw Dialog_EventRefreshTitle |
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| 114 | at MENUEVENT.RefreshInformation, dw Dialog_EventRefreshInformation |
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| 115 | at MENUEVENT.RefreshItemFromCX, dw .RefreshItemFromCX |
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| 116 | iend |
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| 117 | |
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| 118 | |
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| 119 | ;-------------------------------------------------------------------- |
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| 120 | ; ConvertDriveLetterToBLfromItemIndexInCX |
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| 121 | ; Parameters: |
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| 122 | ; CX: Item index |
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| 123 | ; SS:BP: Ptr to DIALOG |
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| 124 | ; Returns: |
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| 125 | ; BL: Drive letter |
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| 126 | ; Corrupts registers: |
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| 127 | ; AX, CX, DX |
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| 128 | ;-------------------------------------------------------------------- |
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| 129 | ALIGN JUMP_ALIGN |
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| 130 | ConvertDriveLetterToBLfromItemIndexInCX: |
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| 131 | inc cx ; Index to count |
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| 132 | mov bl, 'A'-1 |
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| 133 | mov ax, [bp+MENU.dwUserData] |
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| 134 | mov dx, [bp+MENU.dwUserData+2] |
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| 135 | ALIGN JUMP_ALIGN |
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| 136 | .CheckNextBit: |
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| 137 | inc bx ; Increment drive letter |
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| 138 | shr dx, 1 |
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| 139 | rcr ax, 1 |
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| 140 | jnc SHORT .CheckNextBit |
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| 141 | loop .CheckNextBit |
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| 142 | ret |
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