1 | ; File name : BootMenuPrint.asm
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2 | ; Project name : IDE BIOS
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3 | ; Created date : 26.3.2010
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4 | ; Last update : 14.1.2011
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5 | ; Author : Tomi Tilli,
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6 | ; : Krister Nordvall (optimizations)
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7 | ; Description : Functions for printing boot menu strings.
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8 |
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9 | ; Section containing code
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10 | SECTION .text
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11 |
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12 | ;--------------------------------------------------------------------
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13 | ; Prints information strings to the bottom of the screen.
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14 | ;
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15 | ; BootMenuPrint_TheBottomOfScreen
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16 | ; Parameters:
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17 | ; DS: RAMVARS segment
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18 | ; Returns:
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19 | ; Nothing
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20 | ; Corrupts registers:
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21 | ; AX, BX, CX, DX, SI
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22 | ;--------------------------------------------------------------------
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23 | ALIGN JUMP_ALIGN
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24 | BootMenuPrint_TheBottomOfScreen:
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25 | call FloppyDrive_GetCount
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26 | mov bl, cl ; Floppy Drive count to BL
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27 | call RamVars_GetHardDiskCountFromBDAtoCX
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28 | mov bh, cl ; Hard Disk count to BH
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29 | call BootMenuPrint_GetCoordinatesForBottomStrings
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30 | call BootMenuPrint_SetCursorPosition
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31 | call BootMenuPrint_FloppyHotkeyString
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32 | jmp BootMenuPrint_HardDiskHotkeyString
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33 |
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34 |
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35 | ;--------------------------------------------------------------------
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36 | ; Returns coordinates for bottom strings.
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37 | ;
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38 | ; BootMenuPrint_GetCoordinatesForBottomStrings
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39 | ; Parameters:
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40 | ; BL: Number of floppy drives in system
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41 | ; BH: Number of hard disks in system
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42 | ; Returns:
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43 | ; DL: Cursor X coordinate
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44 | ; DH: Cursor Y coordinate
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45 | ; Corrupts registers:
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46 | ; Nothing
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47 | ;--------------------------------------------------------------------
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48 | ALIGN JUMP_ALIGN
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49 | BootMenuPrint_GetCoordinatesForBottomStrings:
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50 | mov dx, 1800h ; (0, 24)
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51 | cmp dl, bl ; Set CF if any floppy drives
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52 | sbb dh, dl ; Decrement Y-coordinate if necessary
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53 | cmp dl, bh ; Set CF if any hard disks
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54 | sbb dh, dl ; Decrement Y-coordinate if necessary
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55 | ret
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56 |
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57 |
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58 | ;--------------------------------------------------------------------
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59 | ; Sets cursor to wanted screen coordinates.
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60 | ;
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61 | ; BootMenuPrint_SetCursorPosition
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62 | ; Parameters:
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63 | ; DL: Cursor X coordinate
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64 | ; DH: Cursor Y coordinate
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65 | ; Returns:
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66 | ; Nothing
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67 | ; Corrupts registers:
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68 | ; AX
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69 | ;--------------------------------------------------------------------
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70 | ALIGN JUMP_ALIGN
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71 | BootMenuPrint_SetCursorPosition:
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72 | push bx
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73 | call MenuCrsr_SetCursor
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74 | pop bx
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75 | ret
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76 |
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77 |
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78 | ;--------------------------------------------------------------------
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79 | ; Prints Floppy Drive hotkey string.
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80 | ;
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81 | ; BootMenuPrint_FloppyHotkeyString
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82 | ; Parameters:
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83 | ; BL: Number of floppy drives in system
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84 | ; Returns:
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85 | ; Nothing
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86 | ; Corrupts registers:
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87 | ; AX, CX, DX, SI
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88 | ;--------------------------------------------------------------------
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89 | ALIGN JUMP_ALIGN
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90 | BootMenuPrint_FloppyHotkeyString:
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91 | test bl, bl ; Any floppy drives?
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92 | jz .Return
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93 | ePUSH_T ax, g_szHDD
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94 | ePUSH_T ax, g_szFDD
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95 | mov ax, 'A'-1
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96 | add al, bl ; Last Floppy Drive letter
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97 | push ax
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98 | ePUSH_T ax, 'A'
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99 | jmp SHORT BootMenuPrint_HotkeyString
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100 | .Return:
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101 | ret
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102 |
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103 | ;--------------------------------------------------------------------
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104 | ; Prints Floppy Drive or Hard Disk hotkey string when
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105 | ; parameters are pushed to stack.
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106 | ;
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107 | ; BootMenuPrint_HotkeyString
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108 | ; Parameters:
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109 | ; Stack: String formatting parameters
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110 | ; Returns:
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111 | ; Nothing
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112 | ; Corrupts registers:
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113 | ; AX, CX, DX, SI
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114 | ;--------------------------------------------------------------------
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115 | ALIGN JUMP_ALIGN
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116 | BootMenuPrint_HotkeyString:
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117 | mov si, g_szBottomScrn
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118 | mov dh, 8 ; 8 bytes pushed to stack
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119 | jmp PrintString_JumpToFormat
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120 |
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121 |
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122 | ;--------------------------------------------------------------------
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123 | ; Prints Hard Disk hotkey string.
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124 | ;
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125 | ; BootMenuPrint_FloppyHotkeyString
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126 | ; Parameters:
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127 | ; BH: Number of hard disks in system
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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, CX, DX, SI
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132 | ;--------------------------------------------------------------------
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133 | ALIGN JUMP_ALIGN
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134 | BootMenuPrint_HardDiskHotkeyString:
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135 | test bh, bh ; Any hard disks?
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136 | jz .Return
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137 | ePUSH_T ax, g_szFDD
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138 | ePUSH_T ax, g_szHDD
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139 | call BootMenu_GetLetterForFirstHardDisk
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140 | eMOVZX ax, bh ; Hard disk count to AX
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141 | add ax, cx ; One past last hard disk letter
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142 | dec ax ; Last hard disk letter
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143 | push ax
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144 | push cx
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145 | jmp SHORT BootMenuPrint_HotkeyString
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146 | .Return:
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147 | ret
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148 |
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149 |
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150 | ;--------------------------------------------------------------------
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151 | ; Clears screen.
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152 | ;
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153 | ; BootMenuPrint_ClearScreen
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154 | ; Parameters:
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155 | ; Nothing
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156 | ; Returns:
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157 | ; Nothing
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158 | ; Corrupts registers:
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159 | ; AX, BX, DX
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160 | ;--------------------------------------------------------------------
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161 | ALIGN JUMP_ALIGN
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162 | BootMenuPrint_ClearScreen:
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163 | push cx
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164 | call MenuDraw_ClrScr
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165 | pop cx
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166 | ret
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167 |
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168 |
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169 | ;--------------------------------------------------------------------
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170 | ; Translates and prints drive number.
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171 | ;
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172 | ; BootMenuPrint_TranslatedDriveNumber
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173 | ; Parameters:
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174 | ; DL: Untranslated drive number
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175 | ; DS: RAMVARS segment
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176 | ; Returns:
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177 | ; Nothing
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178 | ; Corrupts registers:
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179 | ; AX, DI
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180 | ;--------------------------------------------------------------------
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181 | ALIGN JUMP_ALIGN
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182 | BootMenuPrint_TranslatedDriveNumber:
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183 | push dx
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184 | call DriveXlate_ToOrBack
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185 | mov al, dl ; Drive number to AL
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186 | call Print_IntHexB
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187 | mov dl, ' '
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188 | PRINT_CHAR ; Print space
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189 | pop dx
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190 | ret
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191 |
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192 |
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193 | ;--------------------------------------------------------------------
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194 | ; Prints Floppy Drive Menuitem string.
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195 | ;
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196 | ; BootMenuPrint_FloppyMenuitem
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197 | ; Parameters:
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198 | ; DL: Untranslated Floppy Drive number
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199 | ; Returns:
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200 | ; AX: 1 if drive number was valid
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201 | ; 0 if drive number was invalid
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202 | ; Corrupts registers:
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203 | ; CX, DX, SI
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204 | ;--------------------------------------------------------------------
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205 | ALIGN JUMP_ALIGN
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206 | BootMenuPrint_FloppyMenuitem:
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207 | ePUSH_T ax, BootMenuPrint_HardDiskPrinted ; Return address
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208 | add dl, 'A' ; Number to letter
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209 | push dx
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210 | ePUSH_T ax, g_szFloppyDrv
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211 | mov si, g_szFDLetter
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212 | mov dh, 4 ; 4 bytes pushed to stack
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213 | jmp PrintString_JumpToFormat
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214 |
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215 |
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216 | ;--------------------------------------------------------------------
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217 | ; Prints Hard Disk Menuitem string.
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218 | ;
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219 | ; BootMenuPrint_HardDiskMenuitem
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220 | ; Parameters:
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221 | ; DL: Untranslated Hard Disk number
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222 | ; DS: RAMVARS segment
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223 | ; Returns:
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224 | ; AX: 1 if drive number was valid
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225 | ; 0 if drive number was invalid
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226 | ; Corrupts registers:
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227 | ; CX, DX, SI, ES
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228 | ;--------------------------------------------------------------------
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229 | ALIGN JUMP_ALIGN
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230 | BootMenuPrint_HardDiskMenuitem:
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231 | ePUSH_T ax, BootMenuPrint_HardDiskPrinted
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232 | call FindDPT_ForDriveNumber ; DS:DI to point DPT
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233 | jnc SHORT BootMenuPrint_HardDiskMenuitemForForeignDrive
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234 | jmp SHORT BootMenuPrint_HardDiskMenuitemForOurDrive
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235 | ALIGN JUMP_ALIGN
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236 | BootMenuPrint_HardDiskPrinted:
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237 | mov ax, 1
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238 | ret
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239 |
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240 | ;--------------------------------------------------------------------
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241 | ; Prints Hard Disk Menuitem string for drive that is handled by
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242 | ; some another BIOS.
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243 | ;
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244 | ; BootMenuPrint_HardDiskMenuitemForForeignDrive
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245 | ; Parameters:
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246 | ; DL: Untranslated Hard Disk number
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247 | ; DS: RAMVARS segment
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248 | ; Returns:
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249 | ; AX: 1 if drive number was valid
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250 | ; 0 if drive number was invalid
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251 | ; Corrupts registers:
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252 | ; CX, DX, SI
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253 | ;--------------------------------------------------------------------
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254 | ALIGN JUMP_ALIGN
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255 | BootMenuPrint_HardDiskMenuitemForForeignDrive:
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256 | mov si, g_szforeignHD
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257 | jmp PrintString_FromCS
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258 |
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259 | ;--------------------------------------------------------------------
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260 | ; Prints Hard Disk Menuitem string for drive that is handled by our BIOS.
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261 | ;
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262 | ; BootMenuPrint_HardDiskMenuitemForOurDrive
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263 | ; Parameters:
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264 | ; DL: Untranslated Hard Disk number
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265 | ; DS: RAMVARS segment
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266 | ; Returns:
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267 | ; AX: 1 if drive number was valid
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268 | ; 0 if drive number was invalid
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269 | ; Corrupts registers:
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270 | ; CX, DX, SI, ES
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271 | ;--------------------------------------------------------------------
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272 | ALIGN JUMP_ALIGN
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273 | BootMenuPrint_HardDiskMenuitemForOurDrive:
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274 | call BootInfo_GetOffsetToBX
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275 | LOAD_BDA_SEGMENT_TO es, ax
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276 | lea si, [bx+BOOTNFO.szDrvName]
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277 | jmp PrintString_FromES
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278 |
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279 |
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280 | ;--------------------------------------------------------------------
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281 | ; Prints Function Menuitem string.
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282 | ;
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283 | ; BootMenuPrint_FunctionMenuitem
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284 | ; Parameters:
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285 | ; DX: Function ID
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286 | ; Returns:
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287 | ; AX: 1 if function ID was valid
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288 | ; 0 if function ID was invalid
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289 | ; Corrupts registers:
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290 | ; DX, SI
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291 | ;--------------------------------------------------------------------
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292 | ALIGN JUMP_ALIGN
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293 | BootMenuPrint_FunctionMenuitem:
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294 | test dx, dx ; ID_BOOTFUNC_ROMBOOT
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295 | jz SHORT .PrintRomBootMenuitem
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296 | xor ax, ax ; Event not processed
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297 | ret
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298 |
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299 | ALIGN JUMP_ALIGN
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300 | .PrintRomBootMenuitem:
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301 | mov si, g_szRomBoot
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302 | ; Fall to .PrintAndReturn
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303 |
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304 | ALIGN JUMP_ALIGN
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305 | .PrintAndReturn:
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306 | call PrintString_FromCS
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307 | mov ax, 1 ; Event processed
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308 | ret
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309 |
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310 |
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311 | ;--------------------------------------------------------------------
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312 | ; Prints Floppy Drive Menuitem information strings.
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313 | ;
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314 | ; BootMenuPrint_FloppyMenuitemInformation
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315 | ; Parameters:
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316 | ; DL: Untranslated Floppy Drive number
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317 | ; DS: RAMVARS segment
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318 | ; Returns:
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319 | ; AX: 1 if drive number was valid
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320 | ; 0 if drive number was invalid
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321 | ; Corrupts registers:
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322 | ; BX, CX, DX, SI, DI, ES
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323 | ;--------------------------------------------------------------------
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324 | ALIGN JUMP_ALIGN
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325 | BootMenuPrint_FloppyMenuitemInformation:
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326 | call FloppyDrive_GetType ; Get Floppy Drive type to BX
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327 | ePUSH_T ax, BootMenuPrint_ClearThreeInfoLines ; New return address
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328 | test bx, bx ; Two possibilities? (FLOPPY_TYPE_525_OR_35_DD)
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329 | jz SHORT BootMenuPrint_PrintXTFloppyType
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330 | cmp bl, FLOPPY_TYPE_35_ED
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331 | ja SHORT BootMenuPrint_PrintUnknownFloppyType
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332 | jmp SHORT BootMenuPrint_PrintKnownFloppyType
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333 |
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334 | ;--------------------------------------------------------------------
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335 | ; Prints Menuitem information string for two possible XT floppy drives.
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336 | ;
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337 | ; BootMenuPrint_PrintXTFloppyType
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338 | ; Parameters:
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339 | ; Nothing
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340 | ; Returns:
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341 | ; Nothing
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342 | ; Corrupts registers:
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343 | ; CX, DX, SI
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344 | ;--------------------------------------------------------------------
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345 | ALIGN JUMP_ALIGN
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346 | BootMenuPrint_PrintXTFloppyType:
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347 | mov si, g_szFddSizeOr
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348 | jmp SHORT BootMenuPrint_FormatUnknownFloppyType
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349 |
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350 | ;--------------------------------------------------------------------
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351 | ; Prints Menuitem information string for unknown floppy drive type.
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352 | ;
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353 | ; BootMenuPrint_PrintUnknownFloppyType
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354 | ; Parameters:
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355 | ; Nothing
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356 | ; Returns:
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357 | ; Nothing
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358 | ; Corrupts registers:
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359 | ; CX, DX, SI
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360 | ;--------------------------------------------------------------------
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361 | ALIGN JUMP_ALIGN
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362 | BootMenuPrint_PrintUnknownFloppyType:
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363 | mov si, g_szFddUnknown
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364 | BootMenuPrint_FormatUnknownFloppyType:
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365 | ePUSH_T ax, g_szCapacity
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366 | mov dh, 2 ; 2 bytes pushed to stack
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367 | jmp PrintString_JumpToFormat
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368 |
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369 | ;--------------------------------------------------------------------
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370 | ; Prints Menuitem information string for known floppy drive type.
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371 | ;
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372 | ; BootMenuPrint_PrintKnownFloppyType
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373 | ; Parameters:
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374 | ; BX: Floppy drive type
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375 | ; Returns:
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376 | ; Nothing
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377 | ; Corrupts registers:
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378 | ; CX, DX, SI
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379 | ;--------------------------------------------------------------------
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380 | ALIGN JUMP_ALIGN
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381 | BootMenuPrint_PrintKnownFloppyType:
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382 | dec bx ; Cannot be 0 (FLOPPY_TYPE_525_OR_35_DD)
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383 | shl bx, 1 ; Shift for WORD lookup
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384 | push WORD [cs:bx+.rgwCapacity]
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385 | mov ax, [cs:bx+.rgwPhysicalSize]
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386 | push ax ; '1/4' or '1/2'
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387 | mov al, ah
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388 | push ax ; '5' or '3'
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389 | ePUSH_T ax, g_szCapacity
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390 | mov si, g_szFddSize
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391 | mov dh, 8 ; 8 bytes pushed to stack
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392 | jmp PrintString_JumpToFormat
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393 | ALIGN WORD_ALIGN
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394 | .rgwCapacity:
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395 | dw 360
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396 | dw 1200
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397 | dw 720
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398 | dw 1440
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399 | dw 2880
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400 | dw 2880
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401 | .rgwPhysicalSize:
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402 | db 172, '5' ; 1, FLOPPY_TYPE_525_DD
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403 | db 172, '5' ; 2, FLOPPY_TYPE_525_HD
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404 | db 171, '3' ; 3, FLOPPY_TYPE_35_DD
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405 | db 171, '3' ; 4, FLOPPY_TYPE_35_HD
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406 | db 171, '3' ; 5, 3.5" ED on some BIOSes
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407 | db 171, '3' ; 6, FLOPPY_TYPE_35_ED
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408 |
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409 |
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410 | ;--------------------------------------------------------------------
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411 | ; Clears remaining characters from current information line
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412 | ; and clears following lines.
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413 | ;
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414 | ; BootMenuPrint_ClearThreeInfoLines
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415 | ; BootMenuPrint_ClearTwoInfoLines
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416 | ; BootMenuPrint_ClearOneInfoLine
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417 | ; Parameters:
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418 | ; Nothing
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419 | ; Returns:
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420 | ; AX: 1
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421 | ; Corrupts registers:
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422 | ; BX, DX
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423 | ;--------------------------------------------------------------------
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424 | ALIGN JUMP_ALIGN
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425 | BootMenuPrint_ClearThreeInfoLines:
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426 | call MenuDraw_NewlineStrClrLn
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427 | ALIGN JUMP_ALIGN
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428 | BootMenuPrint_ClearTwoInfoLines:
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429 | call MenuDraw_NewlineStrClrLn
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430 | ALIGN JUMP_ALIGN
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431 | BootMenuPrint_ClearOneInfoLine:
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432 | call MenuDraw_NewlineStrClrLn
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433 | mov ax, 1
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434 | ret
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435 |
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436 |
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437 | ;--------------------------------------------------------------------
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438 | ; Prints Hard Disk Menuitem information strings.
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439 | ;
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440 | ; BootMenuPrint_HardDiskMenuitemInformation
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441 | ; Parameters:
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442 | ; DL: Untranslated Hard Disk number
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443 | ; DS: RAMVARS segment
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444 | ; Returns:
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445 | ; AX: 1 if drive number was valid
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446 | ; 0 if drive number was invalid
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447 | ; Corrupts registers:
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448 | ; BX, CX, DX, SI, DI, ES
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449 | ;--------------------------------------------------------------------
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450 | ALIGN JUMP_ALIGN
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451 | BootMenuPrint_HardDiskMenuitemInformation:
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452 | ePUSH_T ax, BootMenuPrint_HardDiskPrinted
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453 | call FindDPT_ForDriveNumber ; DS:DI to point DPT
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454 | jnc SHORT BootMenuPrint_HardDiskMenuitemInfoForForeignDrive
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455 | call BootMenuPrint_HardDiskMenuitemInfoSizeForOurDrive
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456 | jmp BootMenuPrintCfg_ForOurDrive
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457 |
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458 | ;--------------------------------------------------------------------
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459 | ; Prints Hard Disk Menuitem information strings for drive that
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460 | ; is handled by some other BIOS.
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461 | ;
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462 | ; BootMenuPrint_HardDiskMenuitemInfoForForeignDrive
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463 | ; Parameters:
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464 | ; DL: Untranslated Hard Disk number
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465 | ; DS: RAMVARS segment
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466 | ; Returns:
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467 | ; Nothing
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468 | ; Corrupts registers:
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469 | ; AX, BX, CX, DX, SI, DI
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470 | ;--------------------------------------------------------------------
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471 | ALIGN JUMP_ALIGN
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472 | BootMenuPrint_HardDiskMenuitemInfoForForeignDrive:
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473 | call DriveXlate_ToOrBack
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474 | call HCapacity_GetSectorCountFromForeignAH08h
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475 | call HCapacity_ConvertSectorCountToSize
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476 | ePUSH_T dx, BootMenuPrint_ClearThreeInfoLines ; Return address
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477 | push cx ; Magnitude character
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478 | push si ; Tenths
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479 | push ax ; Size in magnitude
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480 | ePUSH_T ax, g_szCapacity ; "Capacity"
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481 | mov si, g_szSizeSingle
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482 | mov dh, 8 ; 8 bytes pushed to stack
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483 | jmp PrintString_JumpToFormat
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484 |
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485 | ;--------------------------------------------------------------------
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486 | ; Prints Hard Disk Menuitem information size string for drive that
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487 | ; is handled by our BIOS.
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488 | ;
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489 | ; BootMenuPrint_HardDiskMenuitemInfoSizeForOurDrive
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490 | ; Parameters:
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491 | ; DL: Untranslated Hard Disk number
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492 | ; DS:DI: Ptr to DPT
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---|
493 | ; Returns:
|
---|
494 | ; Nothing
|
---|
495 | ; Corrupts registers:
|
---|
496 | ; AX, BX, CX, DX, SI, ES
|
---|
497 | ;--------------------------------------------------------------------
|
---|
498 | ALIGN JUMP_ALIGN
|
---|
499 | BootMenuPrint_HardDiskMenuitemInfoSizeForOurDrive:
|
---|
500 | ePUSH_T ax, BootMenuPrint_ClearOneInfoLine ; Return address
|
---|
501 |
|
---|
502 | ; Get and push total LBA size
|
---|
503 | call BootInfo_GetTotalSectorCount
|
---|
504 | call HCapacity_ConvertSectorCountToSize
|
---|
505 | push cx ; Magnitude character
|
---|
506 | push si ; Tenths
|
---|
507 | push ax ; Size in magnitude
|
---|
508 |
|
---|
509 | ; Get and push L-CHS size
|
---|
510 | mov dl, [di+DPT.bDrvNum] ; Restore drive number
|
---|
511 | call HCapacity_GetSectorCountFromOurAH08h
|
---|
512 | call HCapacity_ConvertSectorCountToSize
|
---|
513 | push cx ; Magnitude character
|
---|
514 | push si ; Tenths
|
---|
515 | push ax ; Size in magnitude
|
---|
516 |
|
---|
517 | ePUSH_T ax, g_szCapacity ; "Capacity"
|
---|
518 | mov si, g_szSizeDual
|
---|
519 | mov dh, 14 ; 14 bytes pushed to stack
|
---|
520 | jmp PrintString_JumpToFormat
|
---|
521 |
|
---|
522 |
|
---|
523 | ;--------------------------------------------------------------------
|
---|
524 | ; Prints Function Menuitem information strings.
|
---|
525 | ;
|
---|
526 | ; BootMenuPrint_HardDiskMenuitemInformation
|
---|
527 | ; Parameters:
|
---|
528 | ; DX: Function ID
|
---|
529 | ; DS: RAMVARS segment
|
---|
530 | ; Returns:
|
---|
531 | ; AX: 1 if function ID was valid
|
---|
532 | ; 0 if function ID was valid
|
---|
533 | ; Corrupts registers:
|
---|
534 | ; BX, DX
|
---|
535 | ;--------------------------------------------------------------------
|
---|
536 | ALIGN JUMP_ALIGN
|
---|
537 | BootMenuPrint_FunctionMenuitemInformation:
|
---|
538 | jmp SHORT BootMenuPrint_ClearThreeInfoLines
|
---|
539 |
|
---|
540 |
|
---|
541 | ;--------------------------------------------------------------------
|
---|
542 | ; Prints Boot Menu title strings.
|
---|
543 | ;
|
---|
544 | ; BootMenuPrint_TitleStrings
|
---|
545 | ; Parameters:
|
---|
546 | ; Nothing
|
---|
547 | ; Returns:
|
---|
548 | ; AX: Was printing successfull
|
---|
549 | ; Corrupts registers:
|
---|
550 | ; BX, DX, SI
|
---|
551 | ;--------------------------------------------------------------------
|
---|
552 | ALIGN JUMP_ALIGN
|
---|
553 | BootMenuPrint_TitleStrings:
|
---|
554 | mov si, ROMVARS.szTitle
|
---|
555 | call PrintString_FromCS
|
---|
556 | call BootMenuPrint_ClearOneInfoLine
|
---|
557 | mov si, ROMVARS.szVersion
|
---|
558 | call PrintString_FromCS
|
---|
559 | call BootMenuPrint_ClearOneInfoLine
|
---|
560 | mov si, g_szTitleLn3
|
---|
561 | call PrintString_FromCS
|
---|
562 | jmp SHORT BootMenuPrint_ClearOneInfoLine
|
---|