[392] | 1 | ; Project name : XTIDE Universal BIOS |
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| 2 | ; Description : Hotkey Bar related functions. |
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| 3 | |
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| 4 | ; |
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[399] | 5 | ; XTIDE Universal BIOS and Associated Tools |
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[526] | 6 | ; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2013 by XTIDE Universal BIOS Team. |
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[392] | 7 | ; |
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| 8 | ; This program is free software; you can redistribute it and/or modify |
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| 9 | ; it under the terms of the GNU General Public License as published by |
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| 10 | ; the Free Software Foundation; either version 2 of the License, or |
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| 11 | ; (at your option) any later version. |
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[399] | 12 | ; |
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[392] | 13 | ; This program is distributed in the hope that it will be useful, |
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| 14 | ; but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 16 | ; GNU General Public License for more details. |
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[399] | 17 | ; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html |
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| 18 | ; |
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[392] | 19 | |
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| 20 | ; Section containing code |
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| 21 | SECTION .text |
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| 22 | |
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| 23 | ;-------------------------------------------------------------------- |
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[528] | 24 | ; Scans key presses and draws any hotkey changes. |
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| 25 | ; |
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[392] | 26 | ; HotkeyBar_UpdateDuringDriveDetection |
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| 27 | ; Parameters: |
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| 28 | ; DS: RAMVARS segment |
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| 29 | ; ES: BDA segment (zero) |
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| 30 | ; Returns: |
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| 31 | ; Nothing |
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| 32 | ; Corrupts registers: |
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| 33 | ; AX, CX, DX, SI, DI |
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| 34 | ;-------------------------------------------------------------------- |
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| 35 | HotkeyBar_UpdateDuringDriveDetection: |
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[528] | 36 | call ScanHotkeysFromKeyBufferAndStoreToBootvars |
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[392] | 37 | ; Fall to HotkeyBar_DrawToTopOfScreen |
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[505] | 38 | |
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| 39 | |
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[392] | 40 | ;-------------------------------------------------------------------- |
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| 41 | ; HotkeyBar_DrawToTopOfScreen |
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| 42 | ; Parameters: |
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| 43 | ; DS: RAMVARS segment |
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| 44 | ; ES: BDA segment (zero) |
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| 45 | ; Returns: |
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| 46 | ; Nothing |
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| 47 | ; Corrupts registers: |
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| 48 | ; AX, CX, DX, SI, DI |
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| 49 | ;-------------------------------------------------------------------- |
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| 50 | HotkeyBar_DrawToTopOfScreen: |
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| 51 | ; Store current screen coordinates to be restored |
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| 52 | ; when Hotkey Bar is rendered |
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| 53 | call DetectPrint_GetSoftwareCoordinatesToAX |
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| 54 | push ax |
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| 55 | |
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| 56 | call MoveCursorToScreenTopLeftCorner |
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| 57 | ; Fall to .PrintFloppyDriveHotkeys |
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| 58 | |
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| 59 | ;-------------------------------------------------------------------- |
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| 60 | ; .PrintFloppyDriveHotkeys |
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| 61 | ; Parameters: |
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| 62 | ; DS: RAMVARS segment |
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| 63 | ; ES: BDA segment (zero) |
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| 64 | ; Returns: |
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| 65 | ; Nothing |
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| 66 | ; Corrupts registers: |
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| 67 | ; AX, CX, DX, SI, DI |
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| 68 | ;-------------------------------------------------------------------- |
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| 69 | .PrintFloppyDriveHotkeys: |
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| 70 | call FloppyDrive_GetCountToAX |
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| 71 | test ax, ax ; Any Floppy Drives? |
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| 72 | jz SHORT .SkipFloppyDriveHotkeys |
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| 73 | |
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[492] | 74 | mov ax, (ANGLE_QUOTE_RIGHT << 8) | DEFAULT_FLOPPY_DRIVE_LETTER |
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[500] | 75 | mov cl, [es:BOOTVARS.hotkeyVars+HOTKEYVARS.bFddLetter] |
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[492] | 76 | mov di, g_szFDD |
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[392] | 77 | call FormatDriveHotkeyString |
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| 78 | |
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| 79 | .SkipFloppyDriveHotkeys: |
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| 80 | ; Fall to .PrintHardDriveHotkeys |
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| 81 | |
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| 82 | ;-------------------------------------------------------------------- |
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| 83 | ; .PrintHardDriveHotkeys |
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| 84 | ; Parameters: |
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| 85 | ; DS: RAMVARS segment |
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| 86 | ; ES: BDA segment (zero) |
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| 87 | ; Returns: |
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| 88 | ; Nothing |
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| 89 | ; Corrupts registers: |
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| 90 | ; AX, CX, DX, SI, DI |
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| 91 | ;-------------------------------------------------------------------- |
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[492] | 92 | call DriveXlate_GetLetterForFirstHardDriveToAX |
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[392] | 93 | mov ah, ANGLE_QUOTE_RIGHT |
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[500] | 94 | mov cl, [es:BOOTVARS.hotkeyVars+HOTKEYVARS.bHddLetter] |
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[492] | 95 | mov di, g_szHDD |
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[392] | 96 | call FormatDriveHotkeyString |
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| 97 | ; Fall to .PrintBootMenuHotkey |
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| 98 | |
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| 99 | ;-------------------------------------------------------------------- |
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| 100 | ; .PrintBootMenuHotkey |
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| 101 | ; Parameters: |
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| 102 | ; ES: BDA segment (zero) |
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| 103 | ; Returns: |
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| 104 | ; Nothing |
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| 105 | ; Corrupts registers: |
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| 106 | ; AX, CX, DX, SI, DI |
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| 107 | ;-------------------------------------------------------------------- |
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| 108 | .PrintBootMenuHotkey: |
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| 109 | %ifdef MODULE_BOOT_MENU |
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[492] | 110 | mov ax, BOOT_MENU_HOTKEY_SCANCODE | ('2' << 8) |
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| 111 | mov di, g_szBootMenu |
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[392] | 112 | call FormatFunctionHotkeyString |
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| 113 | %endif |
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[492] | 114 | ; Fall to .PrintComDetectHotkey |
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[392] | 115 | |
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| 116 | ;-------------------------------------------------------------------- |
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[492] | 117 | ; .PrintComDetectHotkey |
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| 118 | ; Parameters: |
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| 119 | ; ES: BDA segment (zero) |
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| 120 | ; Returns: |
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| 121 | ; Nothing |
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| 122 | ; Corrupts registers: |
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| 123 | ; AX, CX, DX, SI, DI |
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| 124 | ;-------------------------------------------------------------------- |
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| 125 | .PrintComDetectHotkey: |
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| 126 | %ifdef MODULE_SERIAL |
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| 127 | mov ax, COM_DETECT_HOTKEY_SCANCODE | ('6' << 8) |
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| 128 | mov di, g_szHotComDetect |
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| 129 | call FormatFunctionHotkeyString |
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| 130 | %endif |
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[505] | 131 | ; Fall to .PrintRomBootHotkey |
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[492] | 132 | |
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| 133 | ;-------------------------------------------------------------------- |
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[392] | 134 | ; .PrintRomBootHotkey |
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| 135 | ; Parameters: |
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| 136 | ; ES: BDA segment (zero) |
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| 137 | ; Returns: |
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| 138 | ; Nothing |
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| 139 | ; Corrupts registers: |
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| 140 | ; AX, CX, DX, SI, DI |
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| 141 | ;-------------------------------------------------------------------- |
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| 142 | .PrintRomBootHotkey: |
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[492] | 143 | mov ax, ROM_BOOT_HOTKEY_SCANCODE | ('8' << 8) |
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| 144 | mov di, g_szRomBoot |
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[392] | 145 | call FormatFunctionHotkeyString |
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| 146 | ; Fall to .EndHotkeyBarRendering |
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| 147 | |
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| 148 | ;-------------------------------------------------------------------- |
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| 149 | ; .EndHotkeyBarRendering |
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| 150 | ; Parameters: |
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| 151 | ; Stack: Screen coordinates before drawing Hotkey Bar |
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| 152 | ; Returns: |
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| 153 | ; Nothing |
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| 154 | ; Corrupts registers: |
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| 155 | ; AX, CX, DI |
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| 156 | ;-------------------------------------------------------------------- |
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| 157 | .EndHotkeyBarRendering: |
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| 158 | call HotkeyBar_ClearRestOfTopRow |
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| 159 | pop ax |
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| 160 | jmp SHORT HotkeyBar_RestoreCursorCoordinatesFromAX |
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| 161 | |
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| 162 | |
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| 163 | ;-------------------------------------------------------------------- |
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| 164 | ; HotkeyBar_ClearRestOfTopRow |
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| 165 | ; Parameters: |
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| 166 | ; Nothing |
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| 167 | ; Returns: |
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| 168 | ; Nothing |
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| 169 | ; Corrupts registers: |
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| 170 | ; AX, CX, DI |
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| 171 | ;-------------------------------------------------------------------- |
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| 172 | HotkeyBar_ClearRestOfTopRow: |
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[505] | 173 | CALL_DISPLAY_LIBRARY GetColumnsToALandRowsToAH |
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[392] | 174 | eMOVZX cx, al |
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[505] | 175 | CALL_DISPLAY_LIBRARY GetSoftwareCoordinatesToAX |
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[392] | 176 | sub cl, al |
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| 177 | mov al, ' ' |
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[505] | 178 | JMP_DISPLAY_LIBRARY PrintRepeatedCharacterFromALwithCountInCX |
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[392] | 179 | |
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| 180 | |
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| 181 | ;-------------------------------------------------------------------- |
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| 182 | ; FormatDriveHotkeyString |
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| 183 | ; Parameters: |
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| 184 | ; CL: Drive letter hotkey from BOOTVARS |
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[492] | 185 | ; AL: First character for drive key string |
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| 186 | ; AH: Second character for drive key string (ANGLE_QUOTE_RIGHT) |
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[392] | 187 | ; SI: Offset to hotkey description string |
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| 188 | ; ES: BDA segment (zero) |
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| 189 | ; Returns: |
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| 190 | ; Nothing |
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| 191 | ; Corrupts registers: |
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| 192 | ; AX, CX, DX, SI, DI |
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| 193 | ;-------------------------------------------------------------------- |
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[492] | 194 | ;; No work to do before going into FormatFunctionHotkeyString |
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| 195 | FormatDriveHotkeyString equ GetNonSelectedHotkeyDescriptionAttributeToDX |
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[392] | 196 | |
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| 197 | ;-------------------------------------------------------------------- |
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| 198 | ; FormatFunctionHotkeyString |
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| 199 | ; Parameters: |
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[492] | 200 | ; AL: Scancode of function key, to know which if any to show as selected |
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| 201 | ; Later replaced with an 'F' for the call to the output routine |
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| 202 | ; AH: Second character for drive key string |
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[392] | 203 | ; SI: Offset to hotkey description string |
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| 204 | ; ES: BDA segment (zero) |
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| 205 | ; Returns: |
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| 206 | ; Nothing |
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| 207 | ; Corrupts registers: |
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| 208 | ; AX, CX, DX, SI, DI |
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| 209 | ;-------------------------------------------------------------------- |
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| 210 | FormatFunctionHotkeyString: |
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[492] | 211 | xor cx, cx ; Null character, eaten in output routines |
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[392] | 212 | |
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[492] | 213 | cmp [es:BOOTVARS.hotkeyVars+HOTKEYVARS.bScancode], al |
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| 214 | mov al, 'F' ; Replace scancode with character for output |
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[392] | 215 | |
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| 216 | %ifdef MODULE_BOOT_MENU |
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[492] | 217 | |
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[392] | 218 | mov si, ATTRIBUTE_CHARS.cHurryTimeout ; Selected hotkey |
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[505] | 219 | je SHORT GetDescriptionAttributeToDX ; From compare with bScancode above |
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[392] | 220 | |
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| 221 | GetNonSelectedHotkeyDescriptionAttributeToDX: |
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| 222 | mov si, ATTRIBUTE_CHARS.cHighlightedItem ; Unselected hotkey |
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| 223 | |
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| 224 | ; Display Library should not be called like this |
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| 225 | GetDescriptionAttributeToDX: |
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[492] | 226 | xchg dx, ax |
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[392] | 227 | call MenuAttribute_GetToAXfromTypeInSI |
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| 228 | xchg dx, ax ; DX = Description attribute |
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[505] | 229 | ;; fall through to PushHotkeyParamsAndFormat |
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[392] | 230 | |
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| 231 | |
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[500] | 232 | %else ; if no MODULE_BOOT_MENU - No boot menu so use simpler attributes |
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| 233 | |
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[410] | 234 | mov dx, (COLOR_ATTRIBUTE(COLOR_YELLOW, COLOR_CYAN) << 8) | MONO_REVERSE_BLINK |
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[505] | 235 | je SHORT SelectAttributeFromDHorDLbasedOnVideoMode ; From compare with bScancode above |
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[392] | 236 | |
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| 237 | GetNonSelectedHotkeyDescriptionAttributeToDX: |
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[410] | 238 | mov dx, (COLOR_ATTRIBUTE(COLOR_BLACK, COLOR_CYAN) << 8) | MONO_REVERSE |
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[492] | 239 | |
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[410] | 240 | SelectAttributeFromDHorDLbasedOnVideoMode: |
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[500] | 241 | mov ch, [es:BDA.bVidMode] ; We only need to preserve CL |
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| 242 | shr ch, 1 |
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[410] | 243 | jnc SHORT .AttributeLoadedToDL ; Black & White modes |
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[500] | 244 | shr ch, 1 |
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[410] | 245 | jnz SHORT .AttributeLoadedToDL ; MDA |
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| 246 | mov dl, dh |
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| 247 | .AttributeLoadedToDL: |
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[505] | 248 | ;; fall through to PushHotkeyParamsAndFormat |
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[410] | 249 | |
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[492] | 250 | %endif ; MODULE_BOOT_MENU |
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[392] | 251 | |
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| 252 | |
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| 253 | ;-------------------------------------------------------------------- |
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| 254 | ; PushHotkeyParamsAndFormat |
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| 255 | ; Parameters: |
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[500] | 256 | ; AL: First character |
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| 257 | ; AH: Second character |
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[392] | 258 | ; DX: Description Attribute |
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| 259 | ; CX: Description string parameter |
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[492] | 260 | ; CS:DI: Description string |
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[392] | 261 | ; Returns: |
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| 262 | ; Nothing |
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| 263 | ; Corrupts registers: |
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| 264 | ; AX, SI, DI |
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| 265 | ;-------------------------------------------------------------------- |
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| 266 | PushHotkeyParamsAndFormat: |
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| 267 | push bp |
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| 268 | mov bp, sp |
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| 269 | |
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[492] | 270 | mov si, MONO_BRIGHT |
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[392] | 271 | |
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[492] | 272 | push si ; Key attribute |
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| 273 | push ax ; First Character |
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| 274 | mov al, ah |
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| 275 | push ax ; Second Character |
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| 276 | |
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[392] | 277 | push dx ; Description attribute |
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[492] | 278 | push di ; Description string |
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[392] | 279 | push cx ; Description string parameter |
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[505] | 280 | |
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[492] | 281 | push si ; Key attribute for last space |
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[392] | 282 | |
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| 283 | mov si, g_szHotkey |
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| 284 | jmp DetectPrint_FormatCSSIfromParamsInSSBP |
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| 285 | |
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| 286 | |
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| 287 | ;-------------------------------------------------------------------- |
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| 288 | ; MoveCursorToScreenTopLeftCorner |
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| 289 | ; Parameters: |
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| 290 | ; Nothing |
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| 291 | ; Returns: |
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| 292 | ; Nothing |
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| 293 | ; Corrupts registers: |
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| 294 | ; AX, DI |
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| 295 | ;-------------------------------------------------------------------- |
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| 296 | MoveCursorToScreenTopLeftCorner: |
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| 297 | xor ax, ax ; Top left corner (0, 0) |
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| 298 | ; Fall to HotkeyBar_RestoreCursorCoordinatesFromAX |
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| 299 | |
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| 300 | |
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| 301 | ;-------------------------------------------------------------------- |
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| 302 | ; HotkeyBar_RestoreCursorCoordinatesFromAX |
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| 303 | ; Parameters: |
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| 304 | ; Nothing |
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| 305 | ; Returns: |
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| 306 | ; Nothing |
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| 307 | ; Corrupts registers: |
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| 308 | ; AX, DI |
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| 309 | ;-------------------------------------------------------------------- |
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| 310 | HotkeyBar_RestoreCursorCoordinatesFromAX: |
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[505] | 311 | JMP_DISPLAY_LIBRARY SetCursorCoordinatesFromAX |
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[392] | 312 | |
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| 313 | |
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| 314 | ;-------------------------------------------------------------------- |
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[528] | 315 | ; HotkeyBar_StoreHotkeyToBootvarsForDriveNumberInDL |
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[395] | 316 | ; Parameters: |
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| 317 | ; DS: RAMVARS segment |
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| 318 | ; ES: BDA segment (zero) |
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[528] | 319 | ; DL: Drive Number |
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| 320 | ; Returns: |
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| 321 | ; Nothing |
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| 322 | ; Corrupts registers: |
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| 323 | ; AX, CX, DL, DI |
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| 324 | ;-------------------------------------------------------------------- |
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| 325 | HotkeyBar_StoreHotkeyToBootvarsForDriveNumberInDL: |
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| 326 | call DriveXlate_ConvertDriveNumberFromDLtoDriveLetter |
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| 327 | ; Fall to StoreHotkeyToBootvarsForDriveLetterInDL |
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| 328 | |
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| 329 | |
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| 330 | ;-------------------------------------------------------------------- |
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| 331 | ; StoreHotkeyToBootvarsForDriveLetterInDL |
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| 332 | ; Parameters: |
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| 333 | ; DS: RAMVARS segment |
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| 334 | ; ES: BDA segment (zero) |
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[395] | 335 | ; DL: Drive Letter ('A'...) |
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| 336 | ; Returns: |
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| 337 | ; Nothing |
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| 338 | ; Corrupts registers: |
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| 339 | ; AX, CX, DI |
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| 340 | ;-------------------------------------------------------------------- |
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[528] | 341 | StoreHotkeyToBootvarsForDriveLetterInDL: |
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[395] | 342 | eMOVZX ax, dl |
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[505] | 343 | or al, 32 ; Upper case drive letter to lower case keystroke |
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[395] | 344 | jmp SHORT HotkeyBar_StoreHotkeyToBootvarsIfValidKeystrokeInAX |
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| 345 | |
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| 346 | |
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| 347 | ;-------------------------------------------------------------------- |
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[528] | 348 | ; ScanHotkeysFromKeyBufferAndStoreToBootvars |
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[392] | 349 | ; Parameters: |
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| 350 | ; DS: RAMVARS segment |
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| 351 | ; ES: BDA segment (zero) |
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| 352 | ; Returns: |
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[492] | 353 | ; AL: Last scancode value |
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[392] | 354 | ; Corrupts registers: |
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[492] | 355 | ; AH, CX |
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[392] | 356 | ;-------------------------------------------------------------------- |
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[528] | 357 | ScanHotkeysFromKeyBufferAndStoreToBootvars: |
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[392] | 358 | call Keyboard_GetKeystrokeToAX |
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| 359 | jz SHORT NoHotkeyToProcess |
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| 360 | |
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[528] | 361 | ; Prepare to read another key from buffer |
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| 362 | ePUSH_T cx, ScanHotkeysFromKeyBufferAndStoreToBootvars |
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[392] | 363 | ; Fall to HotkeyBar_StoreHotkeyToBootvarsIfValidKeystrokeInAX |
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| 364 | |
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| 365 | |
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| 366 | ;-------------------------------------------------------------------- |
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| 367 | ; HotkeyBar_StoreHotkeyToBootvarsIfValidKeystrokeInAX |
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| 368 | ; Parameters: |
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| 369 | ; AL: Hotkey ASCII code |
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| 370 | ; AH: Hotkey Scancode |
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| 371 | ; DS: RAMVARS segment |
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| 372 | ; ES: BDA segment (zero) |
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| 373 | ; Returns: |
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[492] | 374 | ; AL: Last scancode seen |
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[528] | 375 | ; CF: Set if valid hotkey in AL |
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| 376 | ; Clear if scancode in AL is not for any hotkey |
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[392] | 377 | ; Corrupts registers: |
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[492] | 378 | ; AH, CX, DI |
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[392] | 379 | ;-------------------------------------------------------------------- |
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| 380 | HotkeyBar_StoreHotkeyToBootvarsIfValidKeystrokeInAX: |
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[492] | 381 | mov di, BOOTVARS.hotkeyVars+HOTKEYVARS.bScancode |
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[392] | 382 | |
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[492] | 383 | ; All scancodes are saved, even if it wasn't a drive letter, |
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| 384 | ; which also covers our function key case. Invalid function keys |
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[505] | 385 | ; will not do anything (won't be printed, won't be accepted as input) |
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[492] | 386 | mov [es:di], ah |
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[505] | 387 | |
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[392] | 388 | ; Drive letter hotkeys remaining, allow 'a' to 'z' |
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| 389 | call Char_IsLowerCaseLetterInAL |
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[492] | 390 | jnc SHORT .KeystrokeIsNotValidDriveLetter |
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[505] | 391 | and al, ~32 ; We want to print upper case letters |
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[392] | 392 | |
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| 393 | ; Clear HD First flag to assume Floppy Drive hotkey |
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[492] | 394 | dec di |
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[392] | 395 | and BYTE [es:di], ~FLG_HOTKEY_HD_FIRST |
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| 396 | |
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| 397 | ; Determine if Floppy or Hard Drive hotkey |
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[505] | 398 | xchg cx, ax |
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[492] | 399 | call DriveXlate_GetLetterForFirstHardDriveToAX |
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[392] | 400 | cmp cl, al |
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| 401 | jb SHORT .StoreDriveLetter ; Store Floppy Drive letter |
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| 402 | |
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| 403 | ; Store Hard Drive letter |
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| 404 | or BYTE [es:di], FLG_HOTKEY_HD_FIRST |
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| 405 | |
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| 406 | .StoreDriveLetter: |
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[505] | 407 | sbb di, BYTE 1 ; Sub CF if Floppy Drive |
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[392] | 408 | xchg ax, cx |
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[505] | 409 | mov [es:di], al |
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[528] | 410 | stc ; Valid hotkey scancode returned in AL |
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[392] | 411 | |
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[505] | 412 | .KeystrokeIsNotValidDriveLetter: |
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[392] | 413 | NoHotkeyToProcess: |
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[492] | 414 | mov al, [es:BOOTVARS.hotkeyVars+HOTKEYVARS.bScancode] |
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[392] | 415 | ret |
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| 416 | |
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[528] | 417 | |
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[392] | 418 | ;-------------------------------------------------------------------- |
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[492] | 419 | ; HotkeyBar_GetBootDriveNumbersToDX |
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[392] | 420 | ; Parameters: |
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| 421 | ; DS: RAMVARS segment |
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| 422 | ; ES: BDA segment (zero) |
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| 423 | ; Returns: |
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[492] | 424 | ; DX: Drives selected as boot device, DL is primary |
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[392] | 425 | ; Corrupts registers: |
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[492] | 426 | ; AX |
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[392] | 427 | ;-------------------------------------------------------------------- |
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[492] | 428 | HotkeyBar_GetBootDriveNumbersToDX: |
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[500] | 429 | mov dx, [es:BOOTVARS.hotkeyVars+HOTKEYVARS.wFddAndHddLetters] |
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[505] | 430 | test BYTE [es:BOOTVARS.hotkeyVars+HOTKEYVARS.bFlags], FLG_HOTKEY_HD_FIRST |
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[492] | 431 | jnz .noflip |
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[392] | 432 | xchg dl, dh |
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[505] | 433 | .noflip: |
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[492] | 434 | call DriveXlate_ConvertDriveLetterInDLtoDriveNumber |
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| 435 | xchg dl, dh |
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[505] | 436 | ; Fall to HotkeyBar_FallThroughTo_DriveXlate_ConvertDriveLetterInDLtoDriveNumber |
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[392] | 437 | |
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[505] | 438 | HotkeyBar_FallThroughTo_DriveXlate_ConvertDriveLetterInDLtoDriveNumber: |
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| 439 | |
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