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 | ; BootMenuPrint_RefreshItem |
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9 | ; |
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10 | ; Parameters: |
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11 | ; DL: Untranslated Floppy Drive number |
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12 | ; Returns: |
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13 | ; Nothing |
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14 | ; Corrupts registers: |
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15 | ; AX, BX, DX, SI, DI |
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16 | ;-------------------------------------------------------------------- |
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17 | ALIGN JUMP_ALIGN |
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18 | BootMenuPrint_RefreshItem: |
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19 | call BootMenu_GetDriveToDXforMenuitemInCX_And_RamVars_GetSegmentToDS |
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20 | jnc BootMenuEvent_EventCompleted ; if no menu item selected, out we go |
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21 | |
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22 | push bp |
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23 | mov bp, sp |
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24 | |
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25 | call RamVars_IsDriveHandledByThisBIOS |
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26 | jnc .notOurs |
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27 | |
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28 | call FindDPT_ForDriveNumber ; if it is one of ours, print the string in bootnfo |
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29 | call BootMenuInfo_ConvertDPTtoBX |
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30 | mov si, g_szDriveNumBOOTNFO ; special g_szDriveNum that prints from BDA |
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31 | jmp .go |
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32 | |
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33 | .notOurs: |
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34 | mov si,g_szDriveNum |
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35 | mov bx,g_szForeignHD ; assume a hard disk for the moment |
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36 | |
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37 | test dl,80h |
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38 | js .go |
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39 | mov bl,((g_szFloppyDrv)-$$ & 0xff) ; and revisit the earlier assumption... |
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40 | |
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41 | .go: |
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42 | mov ax, dx ; preserve DL for the floppy drive letter addition |
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43 | call DriveXlate_ToOrBack |
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44 | push dx ; translated drive number |
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45 | push bx ; sub string |
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46 | add al, 'A' ; floppy drive letter (we always push this although |
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47 | push ax ; the hard disks don't ever use it, but it does no harm) |
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48 | |
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49 | jmp short BootMenuPrint_FormatCSSIfromParamsInSSBP |
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50 | |
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51 | ;-------------------------------------------------------------------- |
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52 | ; Prints Boot Menu title strings. |
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53 | ; |
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54 | ; BootMenuPrint_TitleStrings |
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55 | ; Parameters: |
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56 | ; Nothing |
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57 | ; Returns: |
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58 | ; CF: Set since menu event handled |
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59 | ; Corrupts registers: |
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60 | ; AX, SI, DI |
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61 | ;-------------------------------------------------------------------- |
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62 | ALIGN JUMP_ALIGN |
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63 | BootMenuPrint_TitleStrings: |
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64 | mov si, ROMVARS.szTitle |
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65 | call BootMenuPrint_NullTerminatedStringFromCSSIandSetCF |
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66 | CALL_DISPLAY_LIBRARY PrintNewlineCharacters |
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67 | mov si, ROMVARS.szVersion |
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68 | ; Fall to BootMenuPrint_NullTerminatedStringFromCSSIandSetCF |
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69 | |
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70 | ;-------------------------------------------------------------------- |
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71 | ; BootMenuPrint_NullTerminatedStringFromCSSIandSetCF |
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72 | ; Parameters: |
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73 | ; CS:SI: Ptr to NULL terminated string to print |
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74 | ; Returns: |
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75 | ; CF: Set since menu event was handled successfully |
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76 | ; Corrupts registers: |
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77 | ; AX, DI |
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78 | ;-------------------------------------------------------------------- |
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79 | ALIGN JUMP_ALIGN |
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80 | BootMenuPrint_NullTerminatedStringFromCSSIandSetCF: |
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81 | ; |
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82 | ; We send all CSSI strings through the Format routine for the case of |
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83 | ; compressed strings, but this doesn't hurt in the non-compressed case either |
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84 | ; (perhaps a little slower, but shouldn't be noticeable to the user) |
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85 | ; and results in smaller code size. |
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86 | ; |
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87 | push bp |
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88 | mov bp,sp |
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89 | jmp short BootMenuPrint_FormatCSSIfromParamsInSSBP |
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90 | |
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91 | |
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92 | ;-------------------------------------------------------------------- |
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93 | ; BootMenuPrint_FloppyMenuitemInformation |
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94 | ; Parameters: |
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95 | ; DL: Untranslated Floppy Drive number |
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96 | ; DS: RAMVARS segment |
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97 | ; Returns: |
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98 | ; CF: Set since menu event was handled successfully |
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99 | ; Corrupts registers: |
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100 | ; AX, BX, CX, DX, SI, DI, ES |
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101 | ;-------------------------------------------------------------------- |
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102 | ALIGN JUMP_ALIGN |
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103 | BootMenuPrint_RefreshInformation: |
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104 | CALL_MENU_LIBRARY ClearInformationArea |
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105 | |
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106 | call BootMenu_GetDriveToDXforMenuitemInCX_And_RamVars_GetSegmentToDS |
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107 | jnc BootMenuEvent_EventCompleted ; if no menu selection, abort |
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108 | |
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109 | push bp |
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110 | mov bp, sp |
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111 | |
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112 | test dl, dl ; are we a hard disk? |
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113 | js BootMenuPrint_HardDiskRefreshInformation |
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114 | |
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115 | call FloppyDrive_GetType ; Get Floppy Drive type to BX |
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116 | |
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117 | mov ax, g_szFddSizeOr ; .PrintXTFloppyType |
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118 | test bx, bx ; Two possibilities? (FLOPPY_TYPE_525_OR_35_DD) |
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119 | jz SHORT .PushAXAndOutput |
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120 | |
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121 | mov al, (g_szFddUnknown - $$) & 0xff ; .PrintUnknownFloppyType |
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122 | cmp bl, FLOPPY_TYPE_35_ED |
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123 | ja SHORT .PushAXAndOutput |
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124 | |
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125 | ; Fall to .PrintKnownFloppyType |
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126 | |
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127 | ;-------------------------------------------------------------------- |
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128 | ; .PrintKnownFloppyType |
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129 | ; Parameters: |
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130 | ; BX: Floppy drive type |
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131 | ; Returns: |
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132 | ; CF: Set since menu event was handled successfully |
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133 | ; Corrupts registers: |
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134 | ; AX, BX, SI, DI |
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135 | ; |
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136 | ; Floppy Drive Types: |
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137 | ; |
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138 | ; 0 Handled above |
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139 | ; 1 FLOPPY_TYPE_525_DD 5 1/4 360K |
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140 | ; 2 FLOPPY_TYPE_525_HD 5 1/4 1.2M |
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141 | ; 3 FLOPPY_TYPE_35_DD 3 1/2 720K |
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142 | ; 4 FLOPPY_TYPE_35_HD 3 1/2 1.44M |
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143 | ; 5 3.5" ED on some BIOSes 3 1/2 2.88M |
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144 | ; 6 FLOPPY_TYPE_35_ED 3 1/2 2.88M |
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145 | ; >6 Unknwon, handled above |
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146 | ; |
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147 | ;-------------------------------------------------------------------- |
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148 | .PrintKnownFloppyType: |
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149 | mov al, (g_szFddSize - $$) & 0xff |
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150 | push ax |
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151 | |
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152 | mov al, (g_szFddThreeHalf - $$) & 0xff |
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153 | cmp bl, FLOPPY_TYPE_525_HD |
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154 | ja .ThreeHalf |
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155 | mov al, (g_szFddFiveQuarter - $$) & 0xff |
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156 | .ThreeHalf: |
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157 | push ax ; "5 1/4" or "3 1/2" |
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158 | |
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159 | mov al,FloppyTypes.rgbCapacityMultiplier |
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160 | mul byte [cs:bx+FloppyTypes.rgbCapacity - 1] ; -1 since 0 is handled above and not in the table |
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161 | |
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162 | .PushAXAndOutput: |
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163 | push ax |
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164 | |
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165 | jmp short BootMenuPrint_HardDiskRefreshInformation.output |
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166 | |
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167 | |
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168 | ;-------------------------------------------------------------------- |
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169 | ; Prints Hard Disk Menuitem information strings. |
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170 | ; |
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171 | ; BootMenuPrint_HardDiskMenuitemInformation |
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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 was handled successfully |
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177 | ; Corrupts registers: |
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178 | ; BX, CX, DX, SI, DI, ES |
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179 | ;-------------------------------------------------------------------- |
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180 | ALIGN JUMP_ALIGN |
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181 | BootMenuPrint_HardDiskRefreshInformation: |
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182 | call RamVars_IsDriveHandledByThisBIOS |
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183 | jnc SHORT .HardDiskMenuitemInfoForForeignDrive |
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184 | call FindDPT_ForDriveNumber ; DS:DI to point DPT |
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185 | ; Fall to .HardDiskMenuitemInfoForOurDrive |
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186 | |
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187 | ;-------------------------------------------------------------------- |
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188 | ; .HardDiskMenuitemInfoForOurDrive |
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189 | ; Parameters: |
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190 | ; DL: Untranslated Hard Disk number |
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191 | ; DS:DI: Ptr to DPT |
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192 | ; Returns: |
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193 | ; Nothing |
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194 | ; Corrupts registers: |
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195 | ; AX, BX, CX, DX, SI, DI, ES |
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196 | ;-------------------------------------------------------------------- |
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197 | .HardDiskMenuitemInfoForOurDrive: |
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198 | ePUSH_T ax, g_szInformation |
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199 | |
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200 | ; Get and push total LBA size |
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201 | call BootMenuInfo_GetTotalSectorCount |
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202 | call ConvertSectorCountInBXDXAXtoSizeAndPushForFormat |
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203 | jmp BootMenuPrintCfg_ForOurDrive |
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204 | |
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205 | ;-------------------------------------------------------------------- |
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206 | ; .HardDiskMenuitemInfoForForeignDrive |
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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 was handled successfully |
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212 | ; Corrupts registers: |
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213 | ; AX, BX, CX, DX, SI, DI |
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214 | ;-------------------------------------------------------------------- |
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215 | ALIGN JUMP_ALIGN |
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216 | .HardDiskMenuitemInfoForForeignDrive: |
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217 | call DriveXlate_ToOrBack |
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218 | call AH15h_GetSectorCountFromForeignDriveToDXAX |
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219 | call ConvertSectorCountInBXDXAXtoSizeAndPushForFormat |
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220 | |
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221 | ALIGN JUMP_ALIGN |
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222 | .output: |
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223 | mov si, g_szCapacity |
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224 | ;;; fall-through |
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225 | |
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226 | ;-------------------------------------------------------------------- |
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227 | ; BootMenuPrint_FormatCSSIfromParamsInSSBP |
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228 | ; Parameters: |
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229 | ; CS:SI: Ptr to string to format |
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230 | ; BP: SP before pushing parameters |
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231 | ; Returns: |
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232 | ; BP: Popped from stack |
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233 | ; CF: Set since menu event was handled successfully |
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234 | ; Corrupts registers: |
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235 | ; AX, DI |
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236 | ;-------------------------------------------------------------------- |
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237 | ALIGN JUMP_ALIGN |
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238 | BootMenuPrint_FormatCSSIfromParamsInSSBP: |
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239 | CALL_DISPLAY_LIBRARY FormatNullTerminatedStringFromCSSI |
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240 | stc ; Successfull return from menu event |
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241 | pop bp |
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242 | ret |
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243 | |
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244 | |
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245 | ;-------------------------------------------------------------------- |
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246 | ; BootMenuPrint_ClearScreen |
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247 | ; Parameters: |
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248 | ; Nothing |
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249 | ; Returns: |
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250 | ; Nothing |
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251 | ; Corrupts registers: |
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252 | ; AX, DI |
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253 | ;-------------------------------------------------------------------- |
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254 | ALIGN JUMP_ALIGN |
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255 | BootMenuPrint_ClearScreen: |
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256 | call BootMenuPrint_InitializeDisplayContext |
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257 | xor ax, ax |
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258 | CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX |
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259 | mov ax, ' ' | (MONO_NORMAL<<8) |
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260 | CALL_DISPLAY_LIBRARY ClearScreenWithCharInALandAttrInAH |
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261 | ret |
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262 | |
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263 | |
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264 | ;-------------------------------------------------------------------- |
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265 | ; BootMenuPrint_TheBottomOfScreen |
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266 | ; Parameters: |
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267 | ; DS: RAMVARS segment |
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268 | ; Returns: |
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269 | ; Nothing |
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270 | ; Corrupts registers: |
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271 | ; AX, BX, CX, DX, SI, DI |
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272 | ;-------------------------------------------------------------------- |
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273 | ALIGN JUMP_ALIGN |
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274 | BootMenuPrint_TheBottomOfScreen: |
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275 | call FloppyDrive_GetCountToCX |
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276 | mov bl, cl ; Floppy Drive count to BL |
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277 | call RamVars_GetHardDiskCountFromBDAtoCX |
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278 | mov bh, cl ; Hard Disk count to BH |
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279 | ; Fall to .MoveCursorToHotkeyStrings |
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280 | |
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281 | ;-------------------------------------------------------------------- |
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282 | ; .MoveCursorToHotkeyStrings |
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283 | ; Parameters: |
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284 | ; Nothing |
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285 | ; Returns: |
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286 | ; Nothing |
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287 | ; Corrupts registers: |
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288 | ; AX, DI |
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289 | ;-------------------------------------------------------------------- |
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290 | .MoveCursorToHotkeyStrings: |
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291 | CALL_DISPLAY_LIBRARY GetColumnsToALandRowsToAH |
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292 | xor al, al |
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293 | dec ah |
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294 | CALL_DISPLAY_LIBRARY SetCursorCoordinatesFromAX |
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295 | ; Fall to .PrintHotkeyString |
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296 | |
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297 | ;-------------------------------------------------------------------- |
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298 | ; .PrintHotkeyString |
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299 | ; Parameters: |
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300 | ; BL: Floppy Drives |
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301 | ; BH: Hard Drives |
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302 | ; Returns: |
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303 | ; Nothing |
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304 | ; Corrupts registers: |
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305 | ; AX, CX, DX, SI, DI |
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306 | ;-------------------------------------------------------------------- |
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307 | .PrintHotkeyString: |
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308 | ; Display Library should not be called like this |
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309 | mov si, ATTRIBUTE_CHARS.cHighlightedItem |
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310 | call MenuAttribute_GetToAXfromTypeInSI |
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311 | xchg dx, ax |
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312 | mov cx, MONO_BRIGHT |
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313 | |
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314 | test bl, bl ; Any Floppy Drives? |
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315 | jz SHORT .SkipFloppyDriveHotkeys |
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316 | mov ax, 'A' | (ANGLE_QUOTE_RIGHT<<8) |
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317 | mov si, g_szFDD |
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318 | call PushHotkeyParamsAndFormat |
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319 | |
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320 | .SkipFloppyDriveHotkeys: |
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321 | test bh, bh ; Any Hard Drives? |
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322 | jz SHORT .SkipHardDriveHotkeys |
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323 | xchg ax, cx ; Store Key Attribute |
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324 | call BootMenu_GetLetterForFirstHardDiskToCL |
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325 | mov ch, ANGLE_QUOTE_RIGHT |
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326 | xchg ax, cx |
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327 | mov si, g_szHDD |
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328 | call PushHotkeyParamsAndFormat |
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329 | |
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330 | .SkipHardDriveHotkeys: |
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331 | ; Fall to .PrintRomBootHotkey |
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332 | |
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333 | ;-------------------------------------------------------------------- |
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334 | ; .PrintRomBootHotkey |
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335 | ; Parameters: |
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336 | ; CX: Key Attribute |
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337 | ; DX: Description Attribute |
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338 | ; Returns: |
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339 | ; Nothing |
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340 | ; Corrupts registers: |
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341 | ; AX, SI, DI |
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342 | ;-------------------------------------------------------------------- |
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343 | .PrintRomBootHotkey: |
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344 | mov ax, 'F' | ('8'<<8) ; F8 |
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345 | mov si, g_szRomBoot |
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346 | ; Fall to PushHotkeyParamsAndFormat |
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347 | |
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348 | ;-------------------------------------------------------------------- |
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349 | ; PushHotkeyParamsAndFormat |
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350 | ; Parameters: |
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351 | ; AL: First character |
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352 | ; AH: Second character |
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353 | ; CX: Key Attribute |
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354 | ; DX: Description Attribute |
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355 | ; CS:SI: Description string |
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356 | ; Returns: |
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357 | ; Nothing |
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358 | ; Corrupts registers: |
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359 | ; AX, SI, DI |
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360 | ;-------------------------------------------------------------------- |
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361 | ALIGN JUMP_ALIGN |
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362 | PushHotkeyParamsAndFormat: |
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363 | push bp |
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364 | mov bp, sp |
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365 | |
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366 | push cx ; Key attribute |
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367 | push ax ; First character |
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368 | xchg al, ah |
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369 | push ax ; Second character |
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370 | push dx ; Description attribute |
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371 | push si ; Description string |
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372 | push cx ; Key attribute for last space |
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373 | mov si, g_szHotkey |
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374 | |
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375 | BootMenuPrint_FormatCSSIfromParamsInSSBP_Relay: |
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376 | jmp SHORT BootMenuPrint_FormatCSSIfromParamsInSSBP |
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377 | |
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378 | |
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379 | ;-------------------------------------------------------------------- |
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380 | ; BootMenuPrint_InitializeDisplayContext |
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381 | ; Parameters: |
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382 | ; Nothing |
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383 | ; Returns: |
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384 | ; Nothing |
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385 | ; Corrupts registers: |
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386 | ; AX, DI |
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387 | ;-------------------------------------------------------------------- |
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388 | ALIGN JUMP_ALIGN |
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389 | BootMenuPrint_InitializeDisplayContext: |
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390 | CALL_DISPLAY_LIBRARY InitializeDisplayContext |
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391 | ret |
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392 | |
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393 | |
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394 | ;-------------------------------------------------------------------- |
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395 | ; ConvertSectorCountInBXDXAXtoSizeAndPushForFormat |
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396 | ; Parameters: |
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397 | ; BX:DX:AX: Sector count |
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398 | ; Returns: |
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399 | ; Size in stack |
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400 | ; Corrupts registers: |
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401 | ; AX, BX, CX, DX, SI |
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402 | ;-------------------------------------------------------------------- |
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403 | ALIGN JUMP_ALIGN |
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404 | ConvertSectorCountInBXDXAXtoSizeAndPushForFormat: |
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405 | pop si ; Pop return address |
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406 | ePUSH_T cx, g_szCapacityNum ; Push format substring |
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407 | call Size_ConvertSectorCountInBXDXAXtoKiB |
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408 | mov cx, BYTE_MULTIPLES.kiB |
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409 | call Size_GetSizeToAXAndCharToDLfromBXDXAXwithMagnitudeInCX |
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410 | push ax ; Size in magnitude |
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411 | push cx ; Tenths |
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412 | push dx ; Magnitude character |
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413 | jmp si |
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414 | |
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415 | |
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416 | FloppyTypes: |
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417 | .rgbCapacityMultiplier equ 20 ; Multiplier to reduce word sized values to byte size |
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418 | .rgbCapacity: |
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419 | db 360 / FloppyTypes.rgbCapacityMultiplier ; type 1 |
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420 | db 1200 / FloppyTypes.rgbCapacityMultiplier ; type 2 |
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421 | db 720 / FloppyTypes.rgbCapacityMultiplier ; type 3 |
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422 | db 1440 / FloppyTypes.rgbCapacityMultiplier ; type 4 |
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423 | db 2880 / FloppyTypes.rgbCapacityMultiplier ; type 5 |
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424 | db 2880 / FloppyTypes.rgbCapacityMultiplier ; type 6 |
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