1 | ; Project name : XTIDE Universal BIOS
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2 | ; Description : Functions for printing boot menu strings.
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3 |
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4 | ; Section containing code
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5 | SECTION .text
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6 |
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7 | ;--------------------------------------------------------------------
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8 | ; Prints Boot Menu title strings.
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9 | ;
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10 | ; BootMenuPrint_TitleStrings
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11 | ; Parameters:
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12 | ; Nothing
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13 | ; Returns:
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14 | ; CF: Set since menu event handled
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15 | ; Corrupts registers:
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16 | ; AX, SI, DI
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17 | ;--------------------------------------------------------------------
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18 | ALIGN JUMP_ALIGN
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19 | BootMenuPrint_TitleStrings:
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20 | mov si, ROMVARS.szTitle
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21 | call PrintNullTerminatedStringFromCSSIandSetCF
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22 | call BootMenuPrint_Newline
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23 | mov si, ROMVARS.szVersion
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24 | jmp PrintNullTerminatedStringFromCSSIandSetCF
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25 |
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26 |
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27 | ;--------------------------------------------------------------------
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28 | ; BootMenuPrint_Newline
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29 | ; Parameters:
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30 | ; Nothing
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31 | ; Returns:
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32 | ; Nothing
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33 | ; Corrupts registers:
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34 | ; AX, DI
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35 | ;--------------------------------------------------------------------
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36 | ALIGN JUMP_ALIGN
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37 | BootMenuPrint_Newline:
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38 | CALL_DISPLAY_LIBRARY PrintNewlineCharacters
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39 | ret
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40 |
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41 |
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42 | ;--------------------------------------------------------------------
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43 | ; Prints Floppy Drive hotkey string.
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44 | ;
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45 | ; BootMenuPrint_FloppyHotkeyString
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46 | ; Parameters:
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47 | ; BL: Number of floppy drives in system
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48 | ; Returns:
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49 | ; Nothing
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50 | ; Corrupts registers:
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51 | ; AX, SI
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52 | ;--------------------------------------------------------------------
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53 | ALIGN JUMP_ALIGN
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54 | BootMenuPrint_FloppyHotkeyString:
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55 | test bl, bl ; Any floppy drives?
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56 | jz SHORT NoFloppyDrivesOrHardDisksToPrint
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57 | push bp
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58 |
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59 | mov bp, sp
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60 | mov al, 'A'
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61 | push ax ; 'A'
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62 | dec ax
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63 | add al, bl
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64 | push ax ; Last floppy drive letter
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65 | ePUSH_T ax, g_szFDD
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66 | ePUSH_T ax, g_szHDD
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67 | jmp SHORT PrintHotkeyString
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68 |
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69 | ;--------------------------------------------------------------------
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70 | ; Prints Hard Disk hotkey string.
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71 | ;
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72 | ; BootMenuPrint_FloppyHotkeyString
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73 | ; Parameters:
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74 | ; BH: Number of hard disks in system
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75 | ; Returns:
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76 | ; Nothing
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77 | ; Corrupts registers:
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78 | ; AX, CX, SI
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79 | ;--------------------------------------------------------------------
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80 | ALIGN JUMP_ALIGN
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81 | BootMenuPrint_HardDiskHotkeyString:
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82 | test bh, bh ; Any hard disks?
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83 | jz SHORT NoFloppyDrivesOrHardDisksToPrint
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84 | push bp
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85 |
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86 | mov bp, sp
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87 | call BootMenu_GetLetterForFirstHardDisk
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88 | push cx ; First hard disk letter
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89 | dec cx
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90 | add cl, bh
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91 | push cx ; Last hard disk letter
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92 | ePUSH_T ax, g_szHDD
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93 | ePUSH_T ax, g_szFDD
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94 | ; Fall to PrintHotkeyString
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95 |
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96 | ALIGN JUMP_ALIGN
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97 | PrintHotkeyString:
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98 | mov si, g_szBottomScrn
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99 | jmp BootMenuPrint_FormatCSSIfromParamsInSSBP
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100 | NoFloppyDrivesOrHardDisksToPrint:
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101 | ret
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102 |
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103 | ;--------------------------------------------------------------------
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104 | ; BootMenuPrint_ClearScreen
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105 | ; Parameters:
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106 | ; Nothing
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107 | ; Returns:
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108 | ; Nothing
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109 | ; Corrupts registers:
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110 | ; AX
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111 | ;--------------------------------------------------------------------
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112 | ALIGN JUMP_ALIGN
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113 | BootMenuPrint_ClearScreen:
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114 | push di
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115 | mov ax, ' ' | (MONO_NORMAL<<8)
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116 | CALL_DISPLAY_LIBRARY ClearScreenWithCharInALandAttrInAH
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117 | pop di
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118 | ret
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119 |
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120 |
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121 | ;--------------------------------------------------------------------
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122 | ; Translates and prints drive number.
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123 | ;
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124 | ; BootMenuPrint_TranslatedDriveNumber
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125 | ; Parameters:
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126 | ; DL: Untranslated drive number
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127 | ; DS: RAMVARS segment
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128 | ; Returns:
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129 | ; Nothing
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130 | ; Corrupts registers:
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131 | ; AX, DI
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132 | ;--------------------------------------------------------------------
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133 | ALIGN JUMP_ALIGN
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134 | BootMenuPrint_TranslatedDriveNumber:
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135 | push dx
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136 | push bx
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137 |
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138 | call DriveXlate_ToOrBack
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139 | eMOVZX ax, dl ; Drive number to AL
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140 | CALL_DISPLAY_LIBRARY PrintWordFromAXwithBaseInBX
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141 | mov al, ' ' ; Print space
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142 | CALL_DISPLAY_LIBRARY PrintCharacterFromAL
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143 |
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144 | pop bx
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145 | pop dx
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146 | ret
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147 |
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148 |
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149 | ;--------------------------------------------------------------------
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150 | ; BootMenuPrint_FloppyMenuitem
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151 | ; Parameters:
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152 | ; DL: Untranslated Floppy Drive number
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153 | ; Returns:
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154 | ; Nothing
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155 | ; Corrupts registers:
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156 | ; AX, DX, SI
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157 | ;--------------------------------------------------------------------
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158 | ALIGN JUMP_ALIGN
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159 | BootMenuPrint_FloppyMenuitem:
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160 | push bp
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161 |
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162 | mov bp, sp
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163 | mov si, g_szFDLetter
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164 | ePUSH_T ax, g_szFloppyDrv
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165 | add dl, 'A'
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166 | push dx ; Drive letter
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167 | jmp BootMenuPrint_FormatCSSIfromParamsInSSBP
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168 |
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169 |
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170 | ;--------------------------------------------------------------------
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171 | ; BootMenuPrint_HardDiskMenuitem
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172 | ; Parameters:
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173 | ; DL: Untranslated Hard Disk number
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174 | ; DS: RAMVARS segment
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175 | ; Returns:
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176 | ; CF: Set since menu event handled
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177 | ; Corrupts registers:
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178 | ; AX, BX, SI, DI
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179 | ;--------------------------------------------------------------------
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180 | ALIGN JUMP_ALIGN
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181 | BootMenuPrint_HardDiskMenuitem:
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182 | call FindDPT_ForDriveNumber ; DS:DI to point DPT
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183 | jnc SHORT .HardDiskMenuitemForForeignDrive
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184 | ; Fall to .HardDiskMenuitemForOurDrive
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185 |
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186 | ;--------------------------------------------------------------------
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187 | ; .HardDiskMenuitemForOurDrive
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188 | ; Parameters:
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189 | ; DL: Untranslated Hard Disk number
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190 | ; DS: RAMVARS segment
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191 | ; Returns:
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192 | ; CF: Set since menu event handled
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193 | ; Corrupts registers:
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194 | ; AX, BX, SI, DI
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195 | ;--------------------------------------------------------------------
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196 | ;ALIGN JUMP_ALIGN
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197 | .HardDiskMenuitemForOurDrive:
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198 | call BootInfo_GetOffsetToBX
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199 | lea si, [bx+BOOTNFO.szDrvName]
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200 | xor bx, bx ; BDA segment
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201 | CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromBXSI
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202 | stc
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203 | ret
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204 |
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205 | ;--------------------------------------------------------------------
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206 | ; BootMenuPrint_HardDiskMenuitemForForeignDrive
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207 | ; Parameters:
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208 | ; DL: Untranslated Hard Disk number
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209 | ; DS: RAMVARS segment
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210 | ; Returns:
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211 | ; CF: Set since menu event handled
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212 | ; Corrupts registers:
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213 | ; AX, SI, DI
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214 | ;--------------------------------------------------------------------
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215 | ALIGN JUMP_ALIGN
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216 | .HardDiskMenuitemForForeignDrive:
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217 | mov si, g_szforeignHD
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218 | jmp PrintNullTerminatedStringFromCSSIandSetCF
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219 |
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220 |
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221 | ;--------------------------------------------------------------------
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222 | ; BootMenuPrint_FunctionMenuitem
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223 | ; Parameters:
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224 | ; DX: Function ID
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225 | ; Returns:
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226 | ; CF: Set if menu event was handled successfully
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227 | ; Corrupts registers:
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228 | ; AX, DX, SI, DI
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229 | ;--------------------------------------------------------------------
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230 | ALIGN JUMP_ALIGN
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231 | BootMenuPrint_FunctionMenuitem:
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232 | test dx, dx ; ID_BOOTFUNC_ROMBOOT
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233 | jz SHORT .PrintRomBootMenuitem
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234 | ret
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235 |
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236 | ALIGN JUMP_ALIGN
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237 | .PrintRomBootMenuitem:
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238 | mov si, g_szRomBoot
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239 | jmp PrintNullTerminatedStringFromCSSIandSetCF
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240 |
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241 |
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242 | ;--------------------------------------------------------------------
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243 | ; BootMenuPrint_FloppyMenuitemInformation
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244 | ; Parameters:
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245 | ; DL: Untranslated Floppy Drive number
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246 | ; DS: RAMVARS segment
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247 | ; Returns:
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248 | ; CF: Set since menu event was handled successfully
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249 | ; Corrupts registers:
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250 | ; AX, BX, CX, DX, SI, DI, ES
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251 | ;--------------------------------------------------------------------
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252 | ALIGN JUMP_ALIGN
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253 | BootMenuPrint_FloppyMenuitemInformation:
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254 | call BootMenuPrint_ClearInformationArea
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255 | call FloppyDrive_GetType ; Get Floppy Drive type to BX
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256 | test bx, bx ; Two possibilities? (FLOPPY_TYPE_525_OR_35_DD)
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257 | jz SHORT .PrintXTFloppyType
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258 | cmp bl, FLOPPY_TYPE_35_ED
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259 | ja SHORT .PrintUnknownFloppyType
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260 | jmp SHORT .PrintKnownFloppyType
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261 |
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262 | ;--------------------------------------------------------------------
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263 | ; .PrintXTFloppyType
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264 | ; Parameters:
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265 | ; Nothing
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266 | ; Returns:
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267 | ; CF: Set since menu event was handled successfully
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268 | ; Corrupts registers:
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269 | ; AX, SI, DI
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270 | ;--------------------------------------------------------------------
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271 | ALIGN JUMP_ALIGN
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272 | .PrintXTFloppyType:
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273 | push bp
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274 | mov si, g_szFddSizeOr
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275 | jmp SHORT .FormatXTorUnknownTypeFloppyDrive
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276 |
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277 | ;--------------------------------------------------------------------
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278 | ; .PrintUnknownFloppyType
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279 | ; Parameters:
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280 | ; Nothing
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281 | ; Returns:
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282 | ; CF: Set since menu event was handled successfully
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283 | ; Corrupts registers:
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284 | ; AX, SI, DI
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285 | ;--------------------------------------------------------------------
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286 | ALIGN JUMP_ALIGN
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287 | .PrintUnknownFloppyType:
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288 | push bp
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289 | mov si, g_szFddUnknown
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290 | .FormatXTorUnknownTypeFloppyDrive:
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291 | mov bp, sp
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292 | ePUSH_T ax, g_szCapacity
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293 | jmp BootMenuPrint_FormatCSSIfromParamsInSSBP
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294 |
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295 | ;--------------------------------------------------------------------
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296 | ; .PrintKnownFloppyType
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297 | ; Parameters:
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298 | ; BX: Floppy drive type
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299 | ; Returns:
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300 | ; CF: Set since menu event was handled successfully
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301 | ; Corrupts registers:
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302 | ; AX, BX, SI, DI
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303 | ;--------------------------------------------------------------------
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304 | ALIGN JUMP_ALIGN
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305 | .PrintKnownFloppyType:
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306 | push bp
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307 |
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308 | mov bp, sp
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309 | mov si, g_szFddSize
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310 | ePUSH_T ax, g_szCapacity
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311 | dec bx ; Cannot be 0 (FLOPPY_TYPE_525_OR_35_DD)
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312 | shl bx, 1 ; Shift for WORD lookup
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313 | mov ax, [cs:bx+.rgwPhysicalSize]
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314 | push ax ; '5' or '3'
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315 | mov al, ah
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316 | push ax ; '1/4' or '1/2'
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317 | push WORD [cs:bx+.rgwCapacity]
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318 | jmp SHORT BootMenuPrint_FormatCSSIfromParamsInSSBP
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319 |
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320 | ALIGN WORD_ALIGN
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321 | .rgwCapacity:
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322 | dw 360
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323 | dw 1200
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324 | dw 720
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325 | dw 1440
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326 | dw 2880
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327 | dw 2880
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328 | .rgwPhysicalSize:
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329 | db '5', 172 ; 1, FLOPPY_TYPE_525_DD
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330 | db '5', 172 ; 2, FLOPPY_TYPE_525_HD
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331 | db '3', 171 ; 3, FLOPPY_TYPE_35_DD
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332 | db '3', 171 ; 4, FLOPPY_TYPE_35_HD
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333 | db '3', 171 ; 5, 3.5" ED on some BIOSes
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334 | db '3', 171 ; 6, FLOPPY_TYPE_35_ED
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335 |
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336 |
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337 | ;--------------------------------------------------------------------
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338 | ; Prints Hard Disk Menuitem information strings.
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339 | ;
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340 | ; BootMenuPrint_HardDiskMenuitemInformation
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341 | ; Parameters:
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342 | ; DL: Untranslated Hard Disk number
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343 | ; DS: RAMVARS segment
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344 | ; Returns:
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345 | ; CF: Set since menu event was handled successfully
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346 | ; Corrupts registers:
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347 | ; BX, CX, DX, SI, DI, ES
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348 | ;--------------------------------------------------------------------
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349 | ALIGN JUMP_ALIGN
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350 | BootMenuPrint_HardDiskMenuitemInformation:
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351 | call FindDPT_ForDriveNumber ; DS:DI to point DPT
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352 | jnc SHORT .HardDiskMenuitemInfoForForeignDrive
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353 | call .HardDiskMenuitemInfoSizeForOurDrive
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354 | jmp BootMenuPrintCfg_ForOurDrive
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355 |
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356 | ;--------------------------------------------------------------------
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357 | ; .HardDiskMenuitemInfoForForeignDrive
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358 | ; Parameters:
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359 | ; DL: Untranslated Hard Disk number
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360 | ; DS: RAMVARS segment
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361 | ; Returns:
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362 | ; CF: Set since menu event was handled successfully
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363 | ; Corrupts registers:
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364 | ; AX, BX, CX, DX, SI, DI
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365 | ;--------------------------------------------------------------------
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366 | ALIGN JUMP_ALIGN
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367 | .HardDiskMenuitemInfoForForeignDrive:
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368 | push bp
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369 | mov bp, sp
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370 | ePUSH_T ax, g_szCapacity
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371 |
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372 | call DriveXlate_ToOrBack
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373 | call HCapacity_GetSectorCountFromForeignAH08h
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374 | call ConvertSectorCountInBXDXAXtoSizeAndPushForFormat
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375 |
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376 | mov si, g_szSizeSingle
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377 | jmp SHORT BootMenuPrint_FormatCSSIfromParamsInSSBP
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378 |
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379 | ;--------------------------------------------------------------------
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380 | ; .HardDiskMenuitemInfoSizeForOurDrive
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381 | ; Parameters:
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382 | ; DL: Untranslated Hard Disk number
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383 | ; DS:DI: Ptr to DPT
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384 | ; Returns:
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385 | ; Nothing
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386 | ; Corrupts registers:
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387 | ; AX, BX, CX, DX, SI, ES
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388 | ;--------------------------------------------------------------------
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389 | ALIGN JUMP_ALIGN
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390 | .HardDiskMenuitemInfoSizeForOurDrive:
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391 | push bp
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392 | mov bp, sp
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393 | ePUSH_T ax, g_szCapacity
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394 |
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395 | ; Get and push L-CHS size
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396 | call HCapacity_GetSectorCountFromOurAH08h
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397 | call ConvertSectorCountInBXDXAXtoSizeAndPushForFormat
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398 |
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399 | ; Get and push total LBA size
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400 | call BootInfo_GetTotalSectorCount
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401 | call ConvertSectorCountInBXDXAXtoSizeAndPushForFormat
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402 |
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403 | mov si, g_szSizeDual
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404 | ; Fall to BootMenuPrint_FormatCSSIfromParamsInSSBP
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405 |
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406 |
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407 | ;--------------------------------------------------------------------
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408 | ; BootMenuPrint_FormatCSSIfromParamsInSSBP
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409 | ; Parameters:
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410 | ; CS:SI: Ptr to string to format
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411 | ; SS:BP: Ptr to format parameters
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412 | ; Returns:
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413 | ; BP: Popped from stack
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414 | ; Corrupts registers:
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415 | ; AX
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416 | ;--------------------------------------------------------------------
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417 | ALIGN JUMP_ALIGN
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418 | BootMenuPrint_FormatCSSIfromParamsInSSBP:
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419 | push di
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420 | CALL_DISPLAY_LIBRARY FormatNullTerminatedStringFromCSSI
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421 | stc ; Successfull return from menu event
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422 | pop di
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423 | pop bp
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424 | ret
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425 |
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426 |
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427 | ;--------------------------------------------------------------------
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428 | ; ConvertSectorCountInBXDXAXtoSizeAndPushForFormat
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429 | ; Parameters:
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430 | ; BX:DX:AX: Sector count
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431 | ; Returns:
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432 | ; Size in stack
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433 | ; Corrupts registers:
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434 | ; AX, BX, CX, DX, SI
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435 | ;--------------------------------------------------------------------
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436 | ALIGN JUMP_ALIGN
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437 | ConvertSectorCountInBXDXAXtoSizeAndPushForFormat:
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438 | pop si ; Pop return address
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439 | call Size_ConvertSectorCountInBXDXAXtoKiB
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440 | mov cx, BYTE_MULTIPLES.kiB
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441 | call Size_GetSizeToAXAndCharToDLfromBXDXAXwithMagnitudeInCX
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442 | push ax ; Size in magnitude
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443 | push cx ; Tenths
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444 | push dx ; Magnitude character
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445 | jmp si
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446 |
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447 |
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448 | ;--------------------------------------------------------------------
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449 | ; PrintNullTerminatedStringFromCSSIandSetCF
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450 | ; Parameters:
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451 | ; CS:SI: Ptr to NULL terminated string to print
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452 | ; Returns:
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453 | ; CF: Set since menu event was handled successfully
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454 | ; Corrupts registers:
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455 | ; AX, DI
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456 | ;--------------------------------------------------------------------
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457 | ALIGN JUMP_ALIGN
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458 | PrintNullTerminatedStringFromCSSIandSetCF:
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459 | CALL_DISPLAY_LIBRARY PrintNullTerminatedStringFromCSSI
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460 | stc
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461 | ret
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462 |
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463 |
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464 | ;--------------------------------------------------------------------
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465 | ; BootMenuPrint_ClearInformationArea
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466 | ; Parameters:
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467 | ; Nothing
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468 | ; Returns:
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469 | ; CF: Set
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470 | ; Corrupts registers:
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471 | ; AX, DI
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472 | ;--------------------------------------------------------------------
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473 | ALIGN JUMP_ALIGN
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474 | BootMenuPrint_ClearInformationArea:
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475 | CALL_MENU_LIBRARY ClearInformationArea
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476 | stc
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477 | ret
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478 |
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479 |
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480 | ;--------------------------------------------------------------------
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481 | ; Prints information strings to the bottom of the screen.
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482 | ;
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483 | ; BootMenuPrint_TheBottomOfScreen
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484 | ; Parameters:
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485 | ; DS: RAMVARS segment
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486 | ; Returns:
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487 | ; Nothing
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488 | ; Corrupts registers:
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489 | ; AX, BX, CX, DX, SI
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490 | ;--------------------------------------------------------------------
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491 | ALIGN JUMP_ALIGN
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492 | BootMenuPrint_TheBottomOfScreen:
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493 | call FloppyDrive_GetCount
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494 | mov bl, cl ; Floppy Drive count to BL
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495 | call RamVars_GetHardDiskCountFromBDAtoCX
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496 | mov bh, cl ; Hard Disk count to BH
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497 | call BootMenuPrint_GetCoordinatesForBottomStrings
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498 | call BootMenuPrint_SetCursorPosition
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499 | call BootMenuPrint_FloppyHotkeyString
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500 | jmp BootMenuPrint_HardDiskHotkeyString
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501 |
|
---|
502 |
|
---|
503 | ;--------------------------------------------------------------------
|
---|
504 | ; Returns coordinates for bottom strings.
|
---|
505 | ;
|
---|
506 | ; BootMenuPrint_GetCoordinatesForBottomStrings
|
---|
507 | ; Parameters:
|
---|
508 | ; BL: Number of floppy drives in system
|
---|
509 | ; BH: Number of hard disks in system
|
---|
510 | ; Returns:
|
---|
511 | ; DL: Cursor X coordinate
|
---|
512 | ; DH: Cursor Y coordinate
|
---|
513 | ; Corrupts registers:
|
---|
514 | ; Nothing
|
---|
515 | ;--------------------------------------------------------------------
|
---|
516 | ALIGN JUMP_ALIGN
|
---|
517 | BootMenuPrint_GetCoordinatesForBottomStrings:
|
---|
518 | mov dx, 1800h ; (0, 24)
|
---|
519 | cmp dl, bl ; Set CF if any floppy drives
|
---|
520 | sbb dh, dl ; Decrement Y-coordinate if necessary
|
---|
521 | cmp dl, bh ; Set CF if any hard disks
|
---|
522 | sbb dh, dl ; Decrement Y-coordinate if necessary
|
---|
523 | ret
|
---|
524 |
|
---|
525 |
|
---|
526 | ;--------------------------------------------------------------------
|
---|
527 | ; Sets cursor to wanted screen coordinates.
|
---|
528 | ;
|
---|
529 | ; BootMenuPrint_SetCursorPosition
|
---|
530 | ; Parameters:
|
---|
531 | ; DL: Cursor X coordinate
|
---|
532 | ; DH: Cursor Y coordinate
|
---|
533 | ; Returns:
|
---|
534 | ; Nothing
|
---|
535 | ; Corrupts registers:
|
---|
536 | ; AX
|
---|
537 | ;--------------------------------------------------------------------
|
---|
538 | ALIGN JUMP_ALIGN
|
---|
539 | BootMenuPrint_SetCursorPosition:
|
---|
540 | push di
|
---|
541 | mov ax, dx
|
---|
542 | CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX
|
---|
543 | pop di
|
---|
544 | ret
|
---|