[90] | 1 | ; Project name : XTIDE Universal BIOS |
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[3] | 2 | ; Description : Int 13h BIOS functions (Floppy and Hard disk). |
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| 3 | |
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[376] | 4 | ; |
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| 5 | ; XTIDE Universal BIOS and Associated Tools |
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| 6 | ; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2012 by XTIDE Universal BIOS Team. |
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| 7 | ; |
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| 8 | ; This program is free software; you can redistribute it and/or modify |
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| 9 | ; it under the terms of the GNU General Public License as published by |
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| 10 | ; the Free Software Foundation; either version 2 of the License, or |
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| 11 | ; (at your option) any later version. |
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| 12 | ; |
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| 13 | ; This program is distributed in the hope that it will be useful, |
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| 14 | ; but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 16 | ; GNU General Public License for more details. |
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| 17 | ; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html |
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| 18 | ; |
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| 19 | |
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[3] | 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 | ; Int 13h software interrupt handler. |
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[417] | 25 | ; This handler changes stack to top of stolen conventional memory |
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| 26 | ; and then calls the actual INT 13h handler (Int13h_DiskFunctionsHandler). |
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| 27 | ; |
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| 28 | ; Int13h_DiskFunctionsHandlerWithStackChange |
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| 29 | ; Parameters: |
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| 30 | ; AH: Bios function |
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| 31 | ; DL: Drive number |
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| 32 | ; Other: Depends on function |
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| 33 | ; Returns: |
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| 34 | ; Depends on function |
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| 35 | ;-------------------------------------------------------------------- |
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| 36 | %ifdef RELOCATE_INT13H_STACK |
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| 37 | ALIGN JUMP_ALIGN |
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| 38 | Int13h_DiskFunctionsHandlerWithStackChange: |
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| 39 | push ds |
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| 40 | push di |
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| 41 | call RamVars_GetSegmentToDS |
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| 42 | |
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| 43 | ; Store entry registers to RAMVARS |
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| 44 | mov [RAMVARS.fpInt13hEntryStack], sp |
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| 45 | mov [RAMVARS.fpInt13hEntryStack+2], ss |
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| 46 | pop WORD [RAMVARS.wStackChangeDI] |
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| 47 | pop WORD [RAMVARS.wStackChangeDS] |
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| 48 | |
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| 49 | ; Load new stack and restore DS and DI |
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| 50 | mov di, ds ; We do not want to overwrite DS and DI in stack |
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| 51 | mov ss, di |
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| 52 | mov sp, [RAMVARS.wNewStackOffset] |
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| 53 | lds di, [RAMVARS.dwStackChangeDSDI] |
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| 54 | |
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| 55 | ; Call INT 13h |
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| 56 | pushf |
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| 57 | push cs |
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| 58 | call Int13h_DiskFunctionsHandler |
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| 59 | |
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| 60 | ; Restore stack (we must not corrupt FLAGS!) |
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| 61 | cli |
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| 62 | %ifdef USE_386 |
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| 63 | lss sp, [ss:RAMVARS.fpInt13hEntryStack] |
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| 64 | %else |
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| 65 | mov sp, [ss:RAMVARS.fpInt13hEntryStack] |
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| 66 | mov ss, [ss:RAMVARS.fpInt13hEntryStack+2] |
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| 67 | %endif |
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| 68 | pop di ; DI before stack change |
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| 69 | pop ds ; DS before stack change |
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| 70 | retf 2 ; Skip FLAGS from stack |
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| 71 | %endif ; RELOCATE_INT13H_STACK |
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| 72 | |
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| 73 | |
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| 74 | ;-------------------------------------------------------------------- |
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| 75 | ; Int 13h software interrupt handler. |
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[3] | 76 | ; Jumps to specific function defined in AH. |
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| 77 | ; |
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[148] | 78 | ; Note to developers: Do not make recursive INT 13h calls! |
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| 79 | ; |
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| 80 | ; Int13h_DiskFunctionsHandler |
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[3] | 81 | ; Parameters: |
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| 82 | ; AH: Bios function |
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| 83 | ; DL: Drive number |
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[148] | 84 | ; Other: Depends on function |
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[3] | 85 | ; Returns: |
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| 86 | ; Depends on function |
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| 87 | ;-------------------------------------------------------------------- |
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| 88 | ALIGN JUMP_ALIGN |
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[148] | 89 | Int13h_DiskFunctionsHandler: |
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[3] | 90 | sti ; Enable interrupts |
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[150] | 91 | cld ; String instructions to increment pointers |
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[155] | 92 | CREATE_FRAME_INTPACK_TO_SSBP EXTRA_BYTES_FOR_INTPACK |
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[3] | 93 | call RamVars_GetSegmentToDS |
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[294] | 94 | |
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[395] | 95 | %ifdef MODULE_HOTKEYS |
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[148] | 96 | call DriveXlate_ToOrBack |
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[414] | 97 | mov [RAMVARS.xlateVars+XLATEVARS.bXlatedDrv], dl |
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[395] | 98 | %endif |
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[322] | 99 | call FindDPT_ForDriveNumberInDL ; DS:DI points to our DPT, or NULL if not our drive |
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| 100 | jc SHORT .NotOurDrive ; DPT not found so this is not one of our drives |
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[258] | 101 | |
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[294] | 102 | .OurFunction: |
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[3] | 103 | ; Jump to correct BIOS function |
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[148] | 104 | eMOVZX bx, ah |
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| 105 | shl bx, 1 |
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[165] | 106 | cmp ah, 25h ; Possible EBIOS function? |
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[417] | 107 | %ifndef MODULE_EBIOS |
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| 108 | ja SHORT UnsupportedFunction |
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| 109 | jmp [cs:bx+g_rgw13hFuncJump] ; Jump to BIOS function |
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| 110 | |
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| 111 | %else ; If using MODULE_EBIOS |
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[165] | 112 | ja SHORT .JumpToEbiosFunction |
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[148] | 113 | jmp [cs:bx+g_rgw13hFuncJump] ; Jump to BIOS function |
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[3] | 114 | |
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[165] | 115 | ALIGN JUMP_ALIGN |
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| 116 | .JumpToEbiosFunction: |
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[421] | 117 | test BYTE [di+DPT.bFlagsLow], FLGL_DPT_LBA_AND_EBIOS_SUPPORTED |
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[417] | 118 | jz SHORT UnsupportedFunction ; No eINT 13h for CHS drives |
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[322] | 119 | sub bl, 41h<<1 ; BX = Offset to eINT 13h jump table |
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[417] | 120 | jb SHORT UnsupportedFunction |
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[167] | 121 | cmp ah, 48h |
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[417] | 122 | ja SHORT UnsupportedFunction |
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[165] | 123 | jmp [cs:bx+g_rgwEbiosFunctionJumpTable] |
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[417] | 124 | %endif ; MODULE_EBIOS |
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[3] | 125 | |
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[417] | 126 | |
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[322] | 127 | ALIGN JUMP_ALIGN |
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| 128 | .NotOurDrive: |
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| 129 | test ah, ah |
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| 130 | jz SHORT .OurFunction ; We handle all function 0h requests (resets) |
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[260] | 131 | |
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[322] | 132 | %ifndef MODULE_SERIAL_FLOPPY |
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| 133 | ; Without floppy support, we handle only hard disk traffic for function 08h. |
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| 134 | test dl, dl |
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| 135 | jns SHORT Int13h_DirectCallToAnotherBios |
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| 136 | %endif |
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| 137 | ; With floppy support, we handle all traffic for function 08h, as we need to wrap both hard disk and floppy drive counts. |
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| 138 | cmp ah, 8 |
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| 139 | je SHORT .OurFunction |
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| 140 | ; Fall to Int13h_DirectCallToAnotherBios |
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| 141 | |
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[417] | 142 | |
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[3] | 143 | ;-------------------------------------------------------------------- |
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[417] | 144 | ; UnsupportedFunction |
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[3] | 145 | ; Int13h_DirectCallToAnotherBios |
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| 146 | ; Parameters: |
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[148] | 147 | ; DL: Translated drive number |
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[3] | 148 | ; DS: RAMVARS segment |
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[150] | 149 | ; SS:BP: Ptr to IDEPACK |
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[148] | 150 | ; BX, DI: Corrupted on Int13h_DiskFunctionsHandler |
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[161] | 151 | ; Other: Function specific INT 13h parameters |
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[3] | 152 | ; Returns: |
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| 153 | ; Depends on function |
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| 154 | ; Corrupts registers: |
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| 155 | ; Flags |
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| 156 | ;-------------------------------------------------------------------- |
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| 157 | ALIGN JUMP_ALIGN |
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[417] | 158 | UnsupportedFunction: |
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[3] | 159 | Int13h_DirectCallToAnotherBios: |
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[148] | 160 | call ExchangeCurrentInt13hHandlerWithOldInt13hHandler |
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[150] | 161 | mov bx, [bp+IDEPACK.intpack+INTPACK.bx] |
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| 162 | mov di, [bp+IDEPACK.intpack+INTPACK.di] |
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| 163 | mov ds, [bp+IDEPACK.intpack+INTPACK.ds] |
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| 164 | push WORD [bp+IDEPACK.intpack+INTPACK.flags] |
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[148] | 165 | popf |
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| 166 | push bp |
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[150] | 167 | mov bp, [bp+IDEPACK.intpack+INTPACK.bp] |
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[148] | 168 | int BIOS_DISK_INTERRUPT_13h ; Can safely do as much recursion as it wants |
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[3] | 169 | |
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[148] | 170 | ; Store returned values to INTPACK |
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| 171 | pop bp ; Standard INT 13h functions never uses BP as return register |
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| 172 | %ifdef USE_386 |
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[322] | 173 | ; mov [bp+IDEPACK.intpack+INTPACK.gs], gs |
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| 174 | ; mov [bp+IDEPACK.intpack+INTPACK.fs], fs |
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[148] | 175 | %endif |
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[150] | 176 | mov [bp+IDEPACK.intpack+INTPACK.es], es |
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| 177 | mov [bp+IDEPACK.intpack+INTPACK.ds], ds |
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| 178 | mov [bp+IDEPACK.intpack+INTPACK.di], di |
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| 179 | mov [bp+IDEPACK.intpack+INTPACK.si], si |
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| 180 | mov [bp+IDEPACK.intpack+INTPACK.bx], bx |
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[414] | 181 | %ifdef MODULE_HOTKEYS |
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[150] | 182 | mov [bp+IDEPACK.intpack+INTPACK.dh], dh |
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[414] | 183 | %else |
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| 184 | mov [bp+IDEPACK.intpack+INTPACK.dx], dx |
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| 185 | %endif |
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[150] | 186 | mov [bp+IDEPACK.intpack+INTPACK.cx], cx |
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| 187 | mov [bp+IDEPACK.intpack+INTPACK.ax], ax |
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[148] | 188 | pushf |
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[150] | 189 | pop WORD [bp+IDEPACK.intpack+INTPACK.flags] |
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[148] | 190 | call RamVars_GetSegmentToDS |
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[414] | 191 | |
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| 192 | %ifdef MODULE_HOTKEYS |
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| 193 | cmp dl, [RAMVARS.xlateVars+XLATEVARS.bXlatedDrv] ; DL is still drive number? |
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[148] | 194 | je SHORT .ExchangeInt13hHandlers |
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[414] | 195 | mov [bp+IDEPACK.intpack+INTPACK.dl], dl ; Something is returned in DL |
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[148] | 196 | ALIGN JUMP_ALIGN |
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| 197 | .ExchangeInt13hHandlers: |
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[414] | 198 | %endif |
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| 199 | |
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[249] | 200 | %ifdef USE_186 |
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| 201 | push Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH |
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| 202 | jmp SHORT ExchangeCurrentInt13hHandlerWithOldInt13hHandler |
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| 203 | %else |
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[148] | 204 | call ExchangeCurrentInt13hHandlerWithOldInt13hHandler |
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[249] | 205 | jmp SHORT Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH |
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| 206 | %endif |
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[3] | 207 | |
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[417] | 208 | |
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[260] | 209 | %ifdef MODULE_SERIAL_FLOPPY |
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| 210 | ;-------------------------------------------------------------------- |
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| 211 | ; Int13h_ReturnSuccessForFloppy |
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| 212 | ; |
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| 213 | ; Some operations, such as format of a floppy disk track, should just |
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| 214 | ; return success, while for hard disks it should be treated as unsupported. |
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| 215 | ;-------------------------------------------------------------------- |
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| 216 | ALIGN JUMP_ALIGN |
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| 217 | Int13h_ReturnSuccessForFloppy: |
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| 218 | test dl, dl |
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[417] | 219 | js SHORT UnsupportedFunction |
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[294] | 220 | xor ah, ah |
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[417] | 221 | jmp SHORT Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH |
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[260] | 222 | %endif |
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[3] | 223 | |
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[417] | 224 | |
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[3] | 225 | ;-------------------------------------------------------------------- |
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[249] | 226 | ; Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAHandTransferredSectorsFromCL |
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| 227 | ; Parameters: |
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| 228 | ; AH: BIOS Error code |
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| 229 | ; CL: Number of sectors actually transferred |
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| 230 | ; SS:BP: Ptr to IDEPACK |
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| 231 | ; Returns: |
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| 232 | ; All registers are loaded from INTPACK |
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| 233 | ;-------------------------------------------------------------------- |
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| 234 | ALIGN JUMP_ALIGN |
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| 235 | Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAHandTransferredSectorsFromCL: |
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| 236 | mov [bp+IDEPACK.intpack+INTPACK.al], cl |
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| 237 | ; Fall to Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH |
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| 238 | |
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[417] | 239 | |
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[249] | 240 | ;-------------------------------------------------------------------- |
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[148] | 241 | ; Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH |
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| 242 | ; Int13h_ReturnFromHandlerWithoutStoringErrorCode |
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[32] | 243 | ; Parameters: |
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[148] | 244 | ; AH: BIOS Error code |
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[417] | 245 | ; DS: RAMVARS segment |
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[150] | 246 | ; SS:BP: Ptr to IDEPACK |
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[32] | 247 | ; Returns: |
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[148] | 248 | ; All registers are loaded from INTPACK |
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[32] | 249 | ;-------------------------------------------------------------------- |
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| 250 | ALIGN JUMP_ALIGN |
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[148] | 251 | Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH: |
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[258] | 252 | %ifdef MODULE_SERIAL_FLOPPY |
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| 253 | mov al, [bp+IDEPACK.intpack+INTPACK.dl] |
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[294] | 254 | Int13h_ReturnFromHandlerAfterStoringErrorCodeFromAH_ALHasDriveNumber: |
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[258] | 255 | call Int13h_SetErrorCodeToBdaAndToIntpackInSSBPfromAH_ALHasDriveNumber |
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[414] | 256 | |
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[258] | 257 | %else |
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[150] | 258 | call Int13h_SetErrorCodeToBdaAndToIntpackInSSBPfromAH |
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[258] | 259 | %endif |
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[414] | 260 | |
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[148] | 261 | Int13h_ReturnFromHandlerWithoutStoringErrorCode: |
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[417] | 262 | ; Always return with interrupts enabled since there are programs that rely |
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| 263 | ; on INT 13h to enable interrupts. |
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| 264 | or BYTE [bp+IDEPACK.intpack+INTPACK.flags+1], (FLG_FLAGS_IF>>8) |
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| 265 | mov sp, bp ; This makes possible to exit anytime, no matter what is on stack |
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[155] | 266 | RESTORE_FRAME_INTPACK_FROM_SSBP EXTRA_BYTES_FOR_INTPACK |
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[32] | 267 | |
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| 268 | |
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| 269 | ;-------------------------------------------------------------------- |
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[148] | 270 | ; Int13h_CallPreviousInt13hHandler |
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[3] | 271 | ; Parameters: |
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[148] | 272 | ; AH: INT 13h function to call |
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| 273 | ; DL: Drive number |
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| 274 | ; DS: RAMVARS segment |
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[3] | 275 | ; Returns: |
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| 276 | ; Depends on function |
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[294] | 277 | ; NOTE: ES:DI needs to be returned from the previous interrupt |
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[258] | 278 | ; handler, for floppy DPT in function 08h |
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[3] | 279 | ; Corrupts registers: |
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[258] | 280 | ; None |
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[3] | 281 | ;-------------------------------------------------------------------- |
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| 282 | ALIGN JUMP_ALIGN |
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[148] | 283 | Int13h_CallPreviousInt13hHandler: |
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| 284 | call ExchangeCurrentInt13hHandlerWithOldInt13hHandler |
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| 285 | int BIOS_DISK_INTERRUPT_13h |
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[258] | 286 | ;;; fall-through to ExchangeCurrentInt13hHandlerWithOldInt13hHandler |
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[35] | 287 | |
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[3] | 288 | ;-------------------------------------------------------------------- |
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[148] | 289 | ; ExchangeCurrentInt13hHandlerWithOldInt13hHandler |
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[3] | 290 | ; Parameters: |
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| 291 | ; DS: RAMVARS segment |
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| 292 | ; Returns: |
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[148] | 293 | ; Nothing |
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[3] | 294 | ; Corrupts registers: |
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[258] | 295 | ; Nothing |
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| 296 | ; Note: Flags are preserved |
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[3] | 297 | ;-------------------------------------------------------------------- |
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| 298 | ALIGN JUMP_ALIGN |
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[148] | 299 | ExchangeCurrentInt13hHandlerWithOldInt13hHandler: |
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| 300 | push es |
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[258] | 301 | push si |
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| 302 | LOAD_BDA_SEGMENT_PRESERVE_FLAGS_TO es, si |
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| 303 | mov si, [RAMVARS.fpOldI13h] |
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[150] | 304 | cli |
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[258] | 305 | xchg si, [es:BIOS_DISK_INTERRUPT_13h*4] |
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| 306 | mov [RAMVARS.fpOldI13h], si |
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| 307 | mov si, [RAMVARS.fpOldI13h+2] |
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| 308 | xchg si, [es:BIOS_DISK_INTERRUPT_13h*4+2] |
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[181] | 309 | sti |
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[258] | 310 | mov [RAMVARS.fpOldI13h+2], si |
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| 311 | pop si |
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[148] | 312 | pop es |
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| 313 | ret |
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[28] | 314 | |
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[35] | 315 | |
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[150] | 316 | ;-------------------------------------------------------------------- |
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| 317 | ; Int13h_SetErrorCodeToBdaAndToIntpackInSSBPfromAH |
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| 318 | ; Int13h_SetErrorCodeToIntpackInSSBPfromAH |
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| 319 | ; Parameters: |
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| 320 | ; AH: BIOS error code (00h = no error) |
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| 321 | ; SS:BP: Ptr to IDEPACK |
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| 322 | ; Returns: |
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| 323 | ; SS:BP: Ptr to IDEPACK with error condition set |
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| 324 | ; Corrupts registers: |
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| 325 | ; DS, DI |
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| 326 | ;-------------------------------------------------------------------- |
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| 327 | ALIGN JUMP_ALIGN |
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[258] | 328 | %ifdef MODULE_SERIAL_FLOPPY |
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| 329 | Int13h_SetErrorCodeToBdaAndToIntpackInSSBPfromAH_ALHasDriveNumber: |
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| 330 | ; Store error code to BDA |
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| 331 | mov bx, BDA.bHDLastSt |
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| 332 | test al, al |
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[414] | 333 | js SHORT .HardDisk |
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[258] | 334 | mov bl, BDA.bFDRetST & 0xff |
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| 335 | .HardDisk: |
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| 336 | LOAD_BDA_SEGMENT_TO ds, di |
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[294] | 337 | mov [bx], ah |
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[417] | 338 | ; Fall to Int13h_SetErrorCodeToIntpackInSSBPfromAH |
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| 339 | |
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[258] | 340 | %else |
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[150] | 341 | Int13h_SetErrorCodeToBdaAndToIntpackInSSBPfromAH: |
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| 342 | ; Store error code to BDA |
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[294] | 343 | LOAD_BDA_SEGMENT_TO ds, di |
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[150] | 344 | mov [BDA.bHDLastSt], ah |
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[417] | 345 | ; Fall to Int13h_SetErrorCodeToIntpackInSSBPfromAH |
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[258] | 346 | %endif |
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[35] | 347 | |
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[150] | 348 | ; Store error code to INTPACK |
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| 349 | Int13h_SetErrorCodeToIntpackInSSBPfromAH: |
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| 350 | mov [bp+IDEPACK.intpack+INTPACK.ah], ah |
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| 351 | test ah, ah |
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| 352 | jnz SHORT .SetCFtoIntpack |
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| 353 | and BYTE [bp+IDEPACK.intpack+INTPACK.flags], ~FLG_FLAGS_CF |
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| 354 | ret |
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| 355 | .SetCFtoIntpack: |
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| 356 | or BYTE [bp+IDEPACK.intpack+INTPACK.flags], FLG_FLAGS_CF |
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| 357 | ret |
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| 358 | |
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| 359 | |
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[3] | 360 | ; Jump table for correct BIOS function |
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| 361 | ALIGN WORD_ALIGN |
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| 362 | g_rgw13hFuncJump: |
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[417] | 363 | dw AH0h_HandlerForDiskControllerReset ; 00h, Disk Controller Reset (All) |
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| 364 | dw AH1h_HandlerForReadDiskStatus ; 01h, Read Disk Status (All) |
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| 365 | dw AH2h_HandlerForReadDiskSectors ; 02h, Read Disk Sectors (All) |
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| 366 | dw AH3h_HandlerForWriteDiskSectors ; 03h, Write Disk Sectors (All) |
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| 367 | dw AH4h_HandlerForVerifyDiskSectors ; 04h, Verify Disk Sectors (All) |
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[260] | 368 | %ifdef MODULE_SERIAL_FLOPPY |
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[417] | 369 | dw Int13h_ReturnSuccessForFloppy ; 05h, Format Disk Track (XT, AT, EISA) |
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[260] | 370 | %else |
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[417] | 371 | dw UnsupportedFunction ; 05h, Format Disk Track (XT, AT, EISA) |
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[260] | 372 | %endif |
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[417] | 373 | dw UnsupportedFunction ; 06h, Format Disk Track with Bad Sectors (XT) |
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| 374 | dw UnsupportedFunction ; 07h, Format Multiple Cylinders (XT) |
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| 375 | dw AH8h_HandlerForReadDiskDriveParameters ; 08h, Read Disk Drive Parameters (All) |
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| 376 | dw AH9h_HandlerForInitializeDriveParameters ; 09h, Initialize Drive Parameters (All) |
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| 377 | dw UnsupportedFunction ; 0Ah, Read Disk Sectors with ECC (XT, AT, EISA) |
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| 378 | dw UnsupportedFunction ; 0Bh, Write Disk Sectors with ECC (XT, AT, EISA) |
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| 379 | dw AHCh_HandlerForSeek ; 0Ch, Seek (All) |
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| 380 | dw AHDh_HandlerForResetHardDisk ; 0Dh, Alternate Disk Reset (All) |
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| 381 | dw UnsupportedFunction ; 0Eh, Read Sector Buffer (XT, PS/1), ESDI Undocumented Diagnostic (PS/2) |
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| 382 | dw UnsupportedFunction ; 0Fh, Write Sector Buffer (XT, PS/1), ESDI Undocumented Diagnostic (PS/2) |
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| 383 | dw AH10h_HandlerForCheckDriveReady ; 10h, Check Drive Ready (All) |
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| 384 | dw AH11h_HandlerForRecalibrate ; 11h, Recalibrate (All) |
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| 385 | dw UnsupportedFunction ; 12h, Controller RAM Diagnostic (XT) |
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| 386 | dw UnsupportedFunction ; 13h, Drive Diagnostic (XT) |
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| 387 | dw UnsupportedFunction ; 14h, Controller Internal Diagnostic (All) |
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| 388 | dw AH15h_HandlerForReadDiskDriveSize ; 15h, Read Disk Drive Size (AT+) |
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| 389 | dw UnsupportedFunction ; 16h, |
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| 390 | dw UnsupportedFunction ; 17h, |
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| 391 | dw UnsupportedFunction ; 18h, |
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| 392 | dw UnsupportedFunction ; 19h, Park Heads (PS/2) |
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| 393 | dw UnsupportedFunction ; 1Ah, Format ESDI Drive (PS/2) |
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| 394 | dw UnsupportedFunction ; 1Bh, Get ESDI Manufacturing Header (PS/2) |
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| 395 | dw UnsupportedFunction ; 1Ch, ESDI Special Functions (PS/2) |
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| 396 | dw UnsupportedFunction ; 1Dh, |
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| 397 | dw UnsupportedFunction ; 1Eh, |
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| 398 | dw UnsupportedFunction ; 1Fh, |
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| 399 | dw UnsupportedFunction ; 20h, |
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| 400 | dw UnsupportedFunction ; 21h, Read Disk Sectors, Multiple Blocks (PS/1) |
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| 401 | dw UnsupportedFunction ; 22h, Write Disk Sectors, Multiple Blocks (PS/1) |
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| 402 | dw AH23h_HandlerForSetControllerFeatures ; 23h, Set Controller Features Register (PS/1) |
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| 403 | dw AH24h_HandlerForSetMultipleBlocks ; 24h, Set Multiple Blocks (PS/1) |
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| 404 | dw AH25h_HandlerForGetDriveInformation ; 25h, Get Drive Information (PS/1) |
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[165] | 405 | |
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[176] | 406 | %ifdef MODULE_EBIOS |
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[165] | 407 | g_rgwEbiosFunctionJumpTable: |
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[417] | 408 | dw AH41h_HandlerForCheckIfExtensionsPresent ; 41h, Check if Extensions Present (EBIOS)* |
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| 409 | dw AH42h_HandlerForExtendedReadSectors ; 42h, Extended Read Sectors (EBIOS)* |
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| 410 | dw AH43h_HandlerForExtendedWriteSectors ; 43h, Extended Write Sectors (EBIOS)* |
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| 411 | dw AH44h_HandlerForExtendedVerifySectors ; 44h, Extended Verify Sectors (EBIOS)* |
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| 412 | dw UnsupportedFunction ; 45h, Lock and Unlock Drive (EBIOS)*** |
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| 413 | dw UnsupportedFunction ; 46h, Eject Media Request (EBIOS)*** |
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| 414 | dw AH47h_HandlerForExtendedSeek ; 47h, Extended Seek (EBIOS)* |
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| 415 | dw AH48h_HandlerForGetExtendedDriveParameters ; 48h, Get Extended Drive Parameters (EBIOS)* |
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| 416 | ; dw UnsupportedFunction ; 49h, Get Extended Disk Change Status (EBIOS)*** |
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| 417 | ; dw UnsupportedFunction ; 4Ah, Initiate Disk Emulation (Bootable CD-ROM) |
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| 418 | ; dw UnsupportedFunction ; 4Bh, Terminate Disk Emulation (Bootable CD-ROM) |
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| 419 | ; dw UnsupportedFunction ; 4Ch, Initiate Disk Emulation and Boot (Bootable CD-ROM) |
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| 420 | ; dw UnsupportedFunction ; 4Dh, Return Boot Catalog (Bootable CD-ROM) |
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| 421 | ; dw UnsupportedFunction ; 4Eh, Set Hardware Configuration (EBIOS)** |
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[150] | 422 | ; |
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| 423 | ; * = Enhanced Drive Access Support (minimum required EBIOS functions) |
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| 424 | ; ** = Enhanced Disk Drive (EDD) Support |
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| 425 | ; *** = Drive Locking and Ejecting Support |
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[181] | 426 | %endif |
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