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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5 | ; XTIDE Universal BIOS and Associated Tools |
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6 | ; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2012 by XTIDE Universal BIOS Team. |
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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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12 | ; |
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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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17 | ; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html |
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18 | ; |
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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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24 | ; HotkeyBar_UpdateDuringDriveDetection |
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25 | ; Parameters: |
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26 | ; DS: RAMVARS segment |
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27 | ; ES: BDA segment (zero) |
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28 | ; Returns: |
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29 | ; Nothing |
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30 | ; Corrupts registers: |
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31 | ; AX, CX, DX, SI, DI |
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32 | ;-------------------------------------------------------------------- |
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33 | HotkeyBar_UpdateDuringDriveDetection: |
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34 | call HotkeyBar_ScanHotkeysFromKeyBufferAndStoreToBootvars |
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35 | ; Fall to HotkeyBar_DrawToTopOfScreen |
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36 | |
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37 | |
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38 | ;-------------------------------------------------------------------- |
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39 | ; HotkeyBar_DrawToTopOfScreen |
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40 | ; Parameters: |
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41 | ; DS: RAMVARS segment |
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42 | ; ES: BDA segment (zero) |
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43 | ; Returns: |
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44 | ; Nothing |
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45 | ; Corrupts registers: |
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46 | ; AX, CX, DX, SI, DI |
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47 | ;-------------------------------------------------------------------- |
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48 | HotkeyBar_DrawToTopOfScreen: |
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49 | ; Store current screen coordinates to be restored |
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50 | ; when Hotkey Bar is rendered |
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51 | call DetectPrint_GetSoftwareCoordinatesToAX |
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52 | push ax |
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53 | |
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54 | call MoveCursorToScreenTopLeftCorner |
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55 | ; Fall to .PrintFloppyDriveHotkeys |
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56 | |
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57 | ;-------------------------------------------------------------------- |
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58 | ; .PrintFloppyDriveHotkeys |
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59 | ; Parameters: |
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60 | ; DS: RAMVARS segment |
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61 | ; ES: BDA segment (zero) |
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62 | ; Returns: |
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63 | ; Nothing |
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64 | ; Corrupts registers: |
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65 | ; AX, CX, DX, SI, DI |
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66 | ;-------------------------------------------------------------------- |
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67 | .PrintFloppyDriveHotkeys: |
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68 | call FloppyDrive_GetCountToAX |
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69 | test ax, ax ; Any Floppy Drives? |
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70 | jz SHORT .SkipFloppyDriveHotkeys |
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71 | |
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72 | mov ax, (ANGLE_QUOTE_RIGHT << 8) | DEFAULT_FLOPPY_DRIVE_LETTER |
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73 | mov cl, [es:BOOTVARS.hotkeyVars+HOTKEYVARS.bFddLetter] |
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74 | mov di, g_szFDD |
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75 | call FormatDriveHotkeyString |
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76 | |
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77 | .SkipFloppyDriveHotkeys: |
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78 | ; Fall to .PrintHardDriveHotkeys |
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79 | |
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80 | ;-------------------------------------------------------------------- |
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81 | ; .PrintHardDriveHotkeys |
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82 | ; Parameters: |
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83 | ; DS: RAMVARS segment |
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84 | ; ES: BDA segment (zero) |
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85 | ; Returns: |
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86 | ; Nothing |
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87 | ; Corrupts registers: |
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88 | ; AX, CX, DX, SI, DI |
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89 | ;-------------------------------------------------------------------- |
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90 | call DriveXlate_GetLetterForFirstHardDriveToAX |
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91 | mov ah, ANGLE_QUOTE_RIGHT |
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92 | mov cl, [es:BOOTVARS.hotkeyVars+HOTKEYVARS.bHddLetter] |
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93 | mov di, g_szHDD |
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94 | call FormatDriveHotkeyString |
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95 | ; Fall to .PrintBootMenuHotkey |
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96 | |
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97 | ;-------------------------------------------------------------------- |
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98 | ; .PrintBootMenuHotkey |
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99 | ; Parameters: |
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100 | ; ES: BDA segment (zero) |
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101 | ; Returns: |
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102 | ; Nothing |
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103 | ; Corrupts registers: |
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104 | ; AX, CX, DX, SI, DI |
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105 | ;-------------------------------------------------------------------- |
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106 | .PrintBootMenuHotkey: |
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107 | %ifdef MODULE_BOOT_MENU |
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108 | mov ax, BOOT_MENU_HOTKEY_SCANCODE | ('2' << 8) |
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109 | mov di, g_szBootMenu |
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110 | call FormatFunctionHotkeyString |
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111 | %endif |
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112 | ; Fall to .PrintComDetectHotkey |
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113 | |
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114 | ;-------------------------------------------------------------------- |
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115 | ; .PrintComDetectHotkey |
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116 | ; Parameters: |
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117 | ; ES: BDA segment (zero) |
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118 | ; Returns: |
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119 | ; Nothing |
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120 | ; Corrupts registers: |
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121 | ; AX, CX, DX, SI, DI |
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122 | ;-------------------------------------------------------------------- |
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123 | .PrintComDetectHotkey: |
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124 | %ifdef MODULE_SERIAL |
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125 | mov ax, COM_DETECT_HOTKEY_SCANCODE | ('6' << 8) |
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126 | mov di, g_szHotComDetect |
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127 | call FormatFunctionHotkeyString |
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128 | %endif |
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129 | ; Fall to .PrintRomBootHotkey |
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130 | |
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131 | ;-------------------------------------------------------------------- |
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132 | ; .PrintRomBootHotkey |
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133 | ; Parameters: |
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134 | ; ES: BDA segment (zero) |
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135 | ; Returns: |
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136 | ; Nothing |
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137 | ; Corrupts registers: |
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138 | ; AX, CX, DX, SI, DI |
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139 | ;-------------------------------------------------------------------- |
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140 | .PrintRomBootHotkey: |
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141 | mov ax, ROM_BOOT_HOTKEY_SCANCODE | ('8' << 8) |
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142 | mov di, g_szRomBoot |
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143 | call FormatFunctionHotkeyString |
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144 | ; Fall to .EndHotkeyBarRendering |
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145 | |
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146 | ;-------------------------------------------------------------------- |
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147 | ; .EndHotkeyBarRendering |
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148 | ; Parameters: |
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149 | ; Stack: Screen coordinates before drawing Hotkey Bar |
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150 | ; Returns: |
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151 | ; Nothing |
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152 | ; Corrupts registers: |
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153 | ; AX, CX, DI |
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154 | ;-------------------------------------------------------------------- |
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155 | .EndHotkeyBarRendering: |
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156 | call HotkeyBar_ClearRestOfTopRow |
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157 | pop ax |
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158 | jmp SHORT HotkeyBar_RestoreCursorCoordinatesFromAX |
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159 | |
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160 | |
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161 | ;-------------------------------------------------------------------- |
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162 | ; HotkeyBar_ClearRestOfTopRow |
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163 | ; Parameters: |
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164 | ; Nothing |
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165 | ; Returns: |
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166 | ; Nothing |
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167 | ; Corrupts registers: |
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168 | ; AX, CX, DI |
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169 | ;-------------------------------------------------------------------- |
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170 | HotkeyBar_ClearRestOfTopRow: |
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171 | CALL_DISPLAY_LIBRARY GetColumnsToALandRowsToAH |
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172 | eMOVZX cx, al |
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173 | CALL_DISPLAY_LIBRARY GetSoftwareCoordinatesToAX |
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174 | sub cl, al |
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175 | mov al, ' ' |
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176 | JMP_DISPLAY_LIBRARY PrintRepeatedCharacterFromALwithCountInCX |
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177 | |
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178 | |
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179 | ;-------------------------------------------------------------------- |
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180 | ; FormatDriveHotkeyString |
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181 | ; Parameters: |
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182 | ; CL: Drive letter hotkey from BOOTVARS |
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183 | ; AL: First character for drive key string |
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184 | ; AH: Second character for drive key string (ANGLE_QUOTE_RIGHT) |
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185 | ; SI: Offset to hotkey description string |
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186 | ; ES: BDA segment (zero) |
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187 | ; Returns: |
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188 | ; Nothing |
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189 | ; Corrupts registers: |
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190 | ; AX, CX, DX, SI, DI |
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191 | ;-------------------------------------------------------------------- |
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192 | ;; No work to do before going into FormatFunctionHotkeyString |
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193 | FormatDriveHotkeyString equ GetNonSelectedHotkeyDescriptionAttributeToDX |
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194 | |
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195 | ;-------------------------------------------------------------------- |
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196 | ; FormatFunctionHotkeyString |
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197 | ; Parameters: |
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198 | ; AL: Scancode of function key, to know which if any to show as selected |
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199 | ; Later replaced with an 'F' for the call to the output routine |
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200 | ; AH: Second character for drive key string |
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201 | ; SI: Offset to hotkey description string |
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202 | ; ES: BDA segment (zero) |
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203 | ; Returns: |
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204 | ; Nothing |
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205 | ; Corrupts registers: |
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206 | ; AX, CX, DX, SI, DI |
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207 | ;-------------------------------------------------------------------- |
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208 | FormatFunctionHotkeyString: |
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209 | xor cx, cx ; Null character, eaten in output routines |
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210 | |
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211 | cmp [es:BOOTVARS.hotkeyVars+HOTKEYVARS.bScancode], al |
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212 | mov al, 'F' ; Replace scancode with character for output |
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213 | |
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214 | %ifdef MODULE_BOOT_MENU |
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215 | |
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216 | mov si, ATTRIBUTE_CHARS.cHurryTimeout ; Selected hotkey |
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217 | je SHORT GetDescriptionAttributeToDX ; From compare with bScancode above |
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218 | |
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219 | GetNonSelectedHotkeyDescriptionAttributeToDX: |
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220 | mov si, ATTRIBUTE_CHARS.cHighlightedItem ; Unselected hotkey |
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221 | |
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222 | ; Display Library should not be called like this |
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223 | GetDescriptionAttributeToDX: |
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224 | xchg dx, ax |
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225 | call MenuAttribute_GetToAXfromTypeInSI |
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226 | xchg dx, ax ; DX = Description attribute |
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227 | ;; fall through to PushHotkeyParamsAndFormat |
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228 | |
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229 | |
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230 | %else ; if no MODULE_BOOT_MENU - No boot menu so use simpler attributes |
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231 | |
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232 | mov dx, (COLOR_ATTRIBUTE(COLOR_YELLOW, COLOR_CYAN) << 8) | MONO_REVERSE_BLINK |
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233 | je SHORT SelectAttributeFromDHorDLbasedOnVideoMode ; From compare with bScancode above |
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234 | |
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235 | GetNonSelectedHotkeyDescriptionAttributeToDX: |
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236 | mov dx, (COLOR_ATTRIBUTE(COLOR_BLACK, COLOR_CYAN) << 8) | MONO_REVERSE |
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237 | |
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238 | SelectAttributeFromDHorDLbasedOnVideoMode: |
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239 | mov ch, [es:BDA.bVidMode] ; We only need to preserve CL |
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240 | shr ch, 1 |
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241 | jnc SHORT .AttributeLoadedToDL ; Black & White modes |
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242 | shr ch, 1 |
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243 | jnz SHORT .AttributeLoadedToDL ; MDA |
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244 | mov dl, dh |
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245 | .AttributeLoadedToDL: |
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246 | ;; fall through to PushHotkeyParamsAndFormat |
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247 | |
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248 | %endif ; MODULE_BOOT_MENU |
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249 | |
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250 | |
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251 | ;-------------------------------------------------------------------- |
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252 | ; PushHotkeyParamsAndFormat |
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253 | ; Parameters: |
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254 | ; AL: First character |
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255 | ; AH: Second character |
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256 | ; DX: Description Attribute |
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257 | ; CX: Description string parameter |
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258 | ; CS:DI: Description string |
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259 | ; Returns: |
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260 | ; Nothing |
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261 | ; Corrupts registers: |
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262 | ; AX, SI, DI |
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263 | ;-------------------------------------------------------------------- |
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264 | PushHotkeyParamsAndFormat: |
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265 | push bp |
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266 | mov bp, sp |
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267 | |
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268 | mov si, MONO_BRIGHT |
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269 | |
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270 | push si ; Key attribute |
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271 | push ax ; First Character |
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272 | mov al, ah |
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273 | push ax ; Second Character |
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274 | |
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275 | push dx ; Description attribute |
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276 | push di ; Description string |
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277 | push cx ; Description string parameter |
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278 | |
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279 | push si ; Key attribute for last space |
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280 | |
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281 | mov si, g_szHotkey |
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282 | jmp DetectPrint_FormatCSSIfromParamsInSSBP |
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283 | |
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284 | |
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285 | ;-------------------------------------------------------------------- |
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286 | ; MoveCursorToScreenTopLeftCorner |
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287 | ; Parameters: |
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288 | ; Nothing |
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289 | ; Returns: |
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290 | ; Nothing |
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291 | ; Corrupts registers: |
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292 | ; AX, DI |
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293 | ;-------------------------------------------------------------------- |
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294 | MoveCursorToScreenTopLeftCorner: |
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295 | xor ax, ax ; Top left corner (0, 0) |
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296 | ; Fall to HotkeyBar_RestoreCursorCoordinatesFromAX |
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297 | |
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298 | |
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299 | ;-------------------------------------------------------------------- |
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300 | ; HotkeyBar_RestoreCursorCoordinatesFromAX |
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301 | ; Parameters: |
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302 | ; Nothing |
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303 | ; Returns: |
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304 | ; Nothing |
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305 | ; Corrupts registers: |
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306 | ; AX, DI |
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307 | ;-------------------------------------------------------------------- |
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308 | HotkeyBar_RestoreCursorCoordinatesFromAX: |
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309 | JMP_DISPLAY_LIBRARY SetCursorCoordinatesFromAX |
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310 | |
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311 | |
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312 | ;-------------------------------------------------------------------- |
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313 | ; HotkeyBar_StoreHotkeyToBootvarsForDriveLetterInDL |
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314 | ; Parameters: |
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315 | ; DS: RAMVARS segment |
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316 | ; ES: BDA segment (zero) |
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317 | ; DL: Drive Letter ('A'...) |
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318 | ; Returns: |
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319 | ; Nothing |
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320 | ; Corrupts registers: |
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321 | ; AX, CX, DI |
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322 | ;-------------------------------------------------------------------- |
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323 | HotkeyBar_StoreHotkeyToBootvarsForDriveLetterInDL: |
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324 | eMOVZX ax, dl |
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325 | or al, 32 ; Upper case drive letter to lower case keystroke |
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326 | jmp SHORT HotkeyBar_StoreHotkeyToBootvarsIfValidKeystrokeInAX |
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327 | |
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328 | |
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329 | ;-------------------------------------------------------------------- |
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330 | ; HotkeyBar_ScanHotkeysFromKeyBufferAndStoreToBootvars |
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331 | ; Parameters: |
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332 | ; DS: RAMVARS segment |
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333 | ; ES: BDA segment (zero) |
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334 | ; Returns: |
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335 | ; AL: Last scancode value |
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336 | ; Corrupts registers: |
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337 | ; AH, CX |
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338 | ;-------------------------------------------------------------------- |
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339 | HotkeyBar_ScanHotkeysFromKeyBufferAndStoreToBootvars: |
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340 | call Keyboard_GetKeystrokeToAX |
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341 | jz SHORT NoHotkeyToProcess |
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342 | |
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343 | ePUSH_T cx, HotkeyBar_ScanHotkeysFromKeyBufferAndStoreToBootvars |
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344 | ; Fall to HotkeyBar_StoreHotkeyToBootvarsIfValidKeystrokeInAX |
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345 | |
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346 | |
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347 | ;-------------------------------------------------------------------- |
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348 | ; HotkeyBar_StoreHotkeyToBootvarsIfValidKeystrokeInAX |
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349 | ; Parameters: |
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350 | ; AL: Hotkey ASCII code |
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351 | ; AH: Hotkey Scancode |
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352 | ; DS: RAMVARS segment |
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353 | ; ES: BDA segment (zero) |
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354 | ; Returns: |
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355 | ; AL: Last scancode seen |
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356 | ; Corrupts registers: |
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357 | ; AH, CX, DI |
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358 | ;-------------------------------------------------------------------- |
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359 | HotkeyBar_StoreHotkeyToBootvarsIfValidKeystrokeInAX: |
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360 | mov di, BOOTVARS.hotkeyVars+HOTKEYVARS.bScancode |
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361 | |
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362 | ; All scancodes are saved, even if it wasn't a drive letter, |
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363 | ; which also covers our function key case. Invalid function keys |
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364 | ; will not do anything (won't be printed, won't be accepted as input) |
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365 | mov [es:di], ah |
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366 | |
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367 | ; Drive letter hotkeys remaining, allow 'a' to 'z' |
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368 | call Char_IsLowerCaseLetterInAL |
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369 | jnc SHORT .KeystrokeIsNotValidDriveLetter |
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370 | and al, ~32 ; We want to print upper case letters |
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371 | |
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372 | ; Clear HD First flag to assume Floppy Drive hotkey |
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373 | dec di |
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374 | and BYTE [es:di], ~FLG_HOTKEY_HD_FIRST |
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375 | |
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376 | ; Determine if Floppy or Hard Drive hotkey |
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377 | xchg cx, ax |
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378 | call DriveXlate_GetLetterForFirstHardDriveToAX |
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379 | cmp cl, al |
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380 | jb SHORT .StoreDriveLetter ; Store Floppy Drive letter |
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381 | |
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382 | ; Store Hard Drive letter |
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383 | or BYTE [es:di], FLG_HOTKEY_HD_FIRST |
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384 | |
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385 | .StoreDriveLetter: |
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386 | sbb di, BYTE 1 ; Sub CF if Floppy Drive |
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387 | xchg ax, cx |
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388 | mov [es:di], al |
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389 | |
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390 | .KeystrokeIsNotValidDriveLetter: |
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391 | NoHotkeyToProcess: |
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392 | mov al, [es:BOOTVARS.hotkeyVars+HOTKEYVARS.bScancode] |
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393 | ret |
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394 | |
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395 | ;-------------------------------------------------------------------- |
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396 | ; HotkeyBar_GetBootDriveNumbersToDX |
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397 | ; Parameters: |
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398 | ; DS: RAMVARS segment |
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399 | ; ES: BDA segment (zero) |
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400 | ; Returns: |
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401 | ; DX: Drives selected as boot device, DL is primary |
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402 | ; Corrupts registers: |
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403 | ; AX |
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404 | ;-------------------------------------------------------------------- |
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405 | HotkeyBar_GetBootDriveNumbersToDX: |
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406 | mov dx, [es:BOOTVARS.hotkeyVars+HOTKEYVARS.wFddAndHddLetters] |
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407 | test BYTE [es:BOOTVARS.hotkeyVars+HOTKEYVARS.bFlags], FLG_HOTKEY_HD_FIRST |
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408 | jnz .noflip |
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409 | xchg dl, dh |
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410 | .noflip: |
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411 | call DriveXlate_ConvertDriveLetterInDLtoDriveNumber |
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412 | xchg dl, dh |
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413 | ; Fall to HotkeyBar_FallThroughTo_DriveXlate_ConvertDriveLetterInDLtoDriveNumber |
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414 | |
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415 | HotkeyBar_FallThroughTo_DriveXlate_ConvertDriveLetterInDLtoDriveNumber: |
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416 | |
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