[392] | 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 | ; |
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[399] | 5 | ; XTIDE Universal BIOS and Associated Tools |
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[526] | 6 | ; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2013 by XTIDE Universal BIOS Team. |
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[392] | 7 | ; |
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| 8 | ; This program is free software; you can redistribute it and/or modify |
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| 9 | ; it under the terms of the GNU General Public License as published by |
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| 10 | ; the Free Software Foundation; either version 2 of the License, or |
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| 11 | ; (at your option) any later version. |
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[399] | 12 | ; |
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[392] | 13 | ; This program is distributed in the hope that it will be useful, |
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| 14 | ; but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 16 | ; GNU General Public License for more details. |
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[399] | 17 | ; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html |
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| 18 | ; |
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[392] | 19 | |
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| 20 | ; Section containing code |
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| 21 | SECTION .text |
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| 22 | |
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| 23 | ;-------------------------------------------------------------------- |
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| 24 | ; BootMenuPrint_RefreshItem |
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| 25 | ; |
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| 26 | ; Parameters: |
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| 27 | ; CX: Index of highlighted item |
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| 28 | ; DS: RAMVARS segment |
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| 29 | ; Returns: |
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| 30 | ; Nothing |
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| 31 | ; Corrupts registers: |
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| 32 | ; Does not matter |
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| 33 | ;-------------------------------------------------------------------- |
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| 34 | BootMenuPrint_RefreshItem: |
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| 35 | push bp |
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| 36 | mov bp, sp |
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| 37 | |
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[492] | 38 | call BootMenu_GetDriveToDXforMenuitemInCX |
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| 39 | mov si, g_szRomBootDash ; Standard "Rom Boot" but with a "-" at the front |
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| 40 | mov al, 20h ; The space between "Rom" and "Boot" |
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| 41 | jnc .ROMBoot ; display "Rom Boot" option for last entry |
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| 42 | |
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[392] | 43 | call FindDPT_ForDriveNumberInDL |
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| 44 | jc .notOurs |
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| 45 | |
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[397] | 46 | call DriveDetectInfo_ConvertDPTtoBX |
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[392] | 47 | mov si, g_szDriveNumBOOTNFO ; special g_szDriveNum that prints from BDA |
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| 48 | jmp .go |
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| 49 | |
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| 50 | .notOurs: |
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| 51 | mov si,g_szDriveNum |
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| 52 | mov bx,g_szForeignHD ; assume a hard disk for the moment |
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| 53 | |
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| 54 | test dl, dl |
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| 55 | js .go |
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| 56 | mov bl,((g_szFloppyDrv)-$$ & 0xff) ; and revisit the earlier assumption... |
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| 57 | |
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| 58 | .go: |
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| 59 | mov ax, dx ; preserve DL for the floppy drive letter addition |
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| 60 | call DriveXlate_ToOrBack |
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[492] | 61 | |
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| 62 | test dl, 0f0h ; if there is a character in the upper nibble |
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| 63 | jnz .noSpace |
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| 64 | dec si ; backup a character to a leading space |
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| 65 | .noSpace: |
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| 66 | |
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[392] | 67 | push dx ; translated drive number |
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| 68 | push bx ; sub string |
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| 69 | add al, 'A' ; floppy drive letter (we always push this although |
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[492] | 70 | ; the hard disks don't ever use it, but it does no harm) |
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[526] | 71 | .ROMBoot: |
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| 72 | push ax |
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[392] | 73 | |
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| 74 | jmp SHORT BootMenuPrint_RefreshInformation.FormatRelay |
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| 75 | |
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| 76 | ;-------------------------------------------------------------------- |
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| 77 | ; Prints Boot Menu title strings. |
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| 78 | ; |
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| 79 | ; BootMenuPrint_TitleStrings |
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| 80 | ; Parameters: |
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| 81 | ; Nothing |
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| 82 | ; Returns: |
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| 83 | ; CF: Set since menu event handled |
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| 84 | ; Corrupts registers: |
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| 85 | ; AX, SI, DI |
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| 86 | ;-------------------------------------------------------------------- |
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| 87 | BootMenuPrint_TitleStrings: |
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[491] | 88 | xor di,di ; Null character will be eaten |
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[489] | 89 | mov si, g_szBootMenuTitle |
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| 90 | jmp DetectPrint_RomFoundAtSegment.BootMenuEntry |
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[392] | 91 | |
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[491] | 92 | |
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[392] | 93 | ;-------------------------------------------------------------------- |
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| 94 | ; BootMenuPrint_RefreshInformation |
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| 95 | ; Parameters: |
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| 96 | ; CX: Index of highlighted item |
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| 97 | ; DS: RAMVARS segment |
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| 98 | ; Returns: |
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| 99 | ; CF: Set since menu event was handled successfully |
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| 100 | ; Corrupts registers: |
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| 101 | ; Does not matter |
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| 102 | ;-------------------------------------------------------------------- |
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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 |
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[492] | 107 | jnc BootMenuEvent_Completed ; nothing to display if "Rom Boot" option |
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[392] | 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 | mov si, g_szCapacity ; Setup print string now, carries through to print call |
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| 113 | |
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| 114 | call FindDPT_ForDriveNumberInDL |
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| 115 | |
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| 116 | inc dl ; are we a hard disk? |
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| 117 | dec dl ; inc/dec will set SF, without modifying CF or DL |
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| 118 | js .HardDiskRefreshInformation |
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| 119 | |
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| 120 | jnc .ours ; Based on CF from FindDPT_ForDriveNumberInDL above |
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| 121 | call FloppyDrive_GetType ; Get Floppy Drive type to BX |
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| 122 | jmp .around |
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| 123 | .ours: |
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| 124 | call AH8h_GetDriveParameters |
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| 125 | .around: |
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| 126 | |
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| 127 | mov ax, g_szFddSizeOr ; .PrintXTFloppyType |
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| 128 | test bl, bl ; Two possibilities? (FLOPPY_TYPE_525_OR_35_DD) |
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| 129 | jz SHORT .PushAXAndOutput |
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| 130 | |
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| 131 | mov al, (g_szFddUnknown - $$) & 0xff ; .PrintUnknownFloppyType |
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| 132 | cmp bl, FLOPPY_TYPE_35_ED |
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| 133 | ja SHORT .PushAXAndOutput |
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| 134 | |
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| 135 | ; Fall to .PrintKnownFloppyType |
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| 136 | |
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| 137 | ;-------------------------------------------------------------------- |
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| 138 | ; .PrintKnownFloppyType |
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| 139 | ; Parameters: |
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| 140 | ; BX: Floppy drive type |
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| 141 | ; Returns: |
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| 142 | ; CF: Set since menu event was handled successfully |
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| 143 | ; Corrupts registers: |
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| 144 | ; AX, BX, SI, DI |
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| 145 | ; |
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| 146 | ; Floppy Drive Types: |
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| 147 | ; |
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| 148 | ; 0 Handled above |
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| 149 | ; 1 FLOPPY_TYPE_525_DD 5 1/4 360K |
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| 150 | ; 2 FLOPPY_TYPE_525_HD 5 1/4 1.2M |
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| 151 | ; 3 FLOPPY_TYPE_35_DD 3 1/2 720K |
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| 152 | ; 4 FLOPPY_TYPE_35_HD 3 1/2 1.44M |
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| 153 | ; 5 3.5" ED on some BIOSes 3 1/2 2.88M |
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| 154 | ; 6 FLOPPY_TYPE_35_ED 3 1/2 2.88M |
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[399] | 155 | ; >6 Unknown, handled above |
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[392] | 156 | ; |
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| 157 | ;-------------------------------------------------------------------- |
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| 158 | .PrintKnownFloppyType: |
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| 159 | mov al, (g_szFddSize - $$) & 0xff |
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| 160 | push ax |
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| 161 | |
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| 162 | mov al, (g_szFddThreeHalf - $$) & 0xff |
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| 163 | cmp bl, FLOPPY_TYPE_525_HD |
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| 164 | ja .ThreeHalf |
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| 165 | mov al, (g_szFddFiveQuarter - $$) & 0xff |
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| 166 | .ThreeHalf: |
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| 167 | push ax ; "5 1/4" or "3 1/2" |
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| 168 | |
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[399] | 169 | xor bh, bh |
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[392] | 170 | mov al,FloppyTypes.rgbCapacityMultiplier |
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[399] | 171 | mul BYTE [cs:bx+FloppyTypes.rgbCapacity - 1] ; -1 since 0 is handled above and not in the table |
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[392] | 172 | |
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| 173 | .PushAXAndOutput: |
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| 174 | push ax |
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| 175 | |
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| 176 | .FormatRelay: |
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| 177 | jmp DetectPrint_FormatCSSIfromParamsInSSBP |
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| 178 | |
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| 179 | |
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| 180 | ;-------------------------------------------------------------------- |
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| 181 | ; Prints Hard Disk Menuitem information strings. |
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| 182 | ; |
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| 183 | ; BootMenuPrint_HardDiskMenuitemInformation |
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| 184 | ; Parameters: |
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| 185 | ; DS: RAMVARS segment |
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| 186 | ; Returns: |
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| 187 | ; CF: Set since menu event was handled successfully |
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| 188 | ; Corrupts registers: |
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| 189 | ; BX, CX, DX, SI, DI, ES |
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| 190 | ;-------------------------------------------------------------------- |
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| 191 | .HardDiskRefreshInformation: |
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| 192 | jc .HardDiskMenuitemInfoForForeignDrive ; Based on CF from FindDPT_ForDriveNumberInDL (way) above |
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| 193 | |
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| 194 | .HardDiskMenuitemInfoForOurDrive: |
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| 195 | ePUSH_T ax, g_szInformation ; Add substring for our hard disk information |
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[397] | 196 | call GetTotalSectorCount |
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[392] | 197 | jmp .ConvertSectorCountInBXDXAXtoSizeAndPushForFormat |
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| 198 | |
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| 199 | .HardDiskMenuitemInfoForForeignDrive: |
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| 200 | call DriveXlate_ToOrBack |
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| 201 | call AH15h_GetSectorCountFromForeignDriveToDXAX |
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| 202 | |
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| 203 | .ConvertSectorCountInBXDXAXtoSizeAndPushForFormat: |
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| 204 | ePUSH_T cx, g_szCapacityNum ; Push format substring |
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| 205 | call Size_ConvertSectorCountInBXDXAXtoKiB |
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| 206 | mov cx, BYTE_MULTIPLES.kiB |
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| 207 | call Size_GetSizeToAXAndCharToDLfromBXDXAXwithMagnitudeInCX |
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| 208 | push ax ; Size in magnitude |
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| 209 | push cx ; Tenths |
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| 210 | push dx ; Magnitude character |
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| 211 | |
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[421] | 212 | test di, di ; Zero if foreign drive |
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[392] | 213 | jz SHORT BootMenuPrint_RefreshInformation.FormatRelay |
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| 214 | |
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[491] | 215 | %include "BootMenuPrintCfg.asm" ; Inline of code to fill out remainder of information string |
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[392] | 216 | jmp DetectPrint_FormatCSSIfromParamsInSSBP |
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| 217 | |
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| 218 | |
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| 219 | FloppyTypes: |
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[491] | 220 | .rgbCapacityMultiplier equ 120 ; Multiplier to reduce word sized values to byte size |
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[392] | 221 | .rgbCapacity: |
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| 222 | db 360 / FloppyTypes.rgbCapacityMultiplier ; type 1 |
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| 223 | db 1200 / FloppyTypes.rgbCapacityMultiplier ; type 2 |
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| 224 | db 720 / FloppyTypes.rgbCapacityMultiplier ; type 3 |
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| 225 | db 1440 / FloppyTypes.rgbCapacityMultiplier ; type 4 |
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| 226 | db 2880 / FloppyTypes.rgbCapacityMultiplier ; type 5 |
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| 227 | db 2880 / FloppyTypes.rgbCapacityMultiplier ; type 6 |
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[397] | 228 | |
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| 229 | |
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| 230 | ;-------------------------------------------------------------------- |
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| 231 | ; GetTotalSectorCount |
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| 232 | ; Parameters: |
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| 233 | ; DS:DI: DPT Pointer |
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| 234 | ; Returns: |
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| 235 | ; BX:DX:AX: 48-bit sector count |
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| 236 | ; Corrupts registers: |
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| 237 | ; CX |
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| 238 | ;-------------------------------------------------------------------- |
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[421] | 239 | %ifdef MODULE_EBIOS |
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| 240 | GetTotalSectorCount EQU AccessDPT_GetLbaSectorCountToBXDXAX |
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| 241 | %else |
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| 242 | GetTotalSectorCount EQU AH15h_GetSectorCountToBXDXAX |
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| 243 | %endif |
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