[57] | 1 | ; Project name : XTIDE Univeral BIOS Configurator v2
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| 2 | ; Description : Functions for loading and saving BIOS image file.
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| 3 |
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[376] | 4 | ;
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[526] | 5 | ; XTIDE Universal BIOS and Associated Tools
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| 6 | ; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2013 by XTIDE Universal BIOS Team.
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[376] | 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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[526] | 12 | ;
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[376] | 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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[526] | 16 | ; GNU General Public License for more details.
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[376] | 17 | ; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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[526] | 18 | ;
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[376] | 19 |
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[57] | 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 | ; BiosFile_LoadFileFromDSSItoRamBuffer
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| 25 | ; Parameters:
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| 26 | ; DS:SI: Name of file to open
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| 27 | ; SS:BP: Menu handle
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| 28 | ; Returns:
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| 29 | ; Nothing
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| 30 | ; Corrupts registers:
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| 31 | ; AX, BX, CX, DX, SI, DI
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| 32 | ;--------------------------------------------------------------------
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| 33 | ALIGN JUMP_ALIGN
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| 34 | BiosFile_LoadFileFromDSSItoRamBuffer:
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[621] | 35 | mov al, FILE_ACCESS.ReadOnly
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| 36 | call FileIO_OpenWithPathInDSSIandFileAccessInAL
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[57] | 37 | jc SHORT .DisplayErrorMessage
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| 38 |
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| 39 | call FileIO_GetFileSizeToDXAXusingHandleFromBXandResetFilePosition
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[621] | 40 | jc SHORT .CloseUsingHandleFromBXandDisplayErrorMessage
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[57] | 41 |
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[68] | 42 | cmp dx, MAX_EEPROM_SIZE_IN_BYTES >> 16
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[589] | 43 | jb SHORT .FileNotTooBig
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[57] | 44 | ja SHORT .FileTooBig
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[621] | 45 | %if (MAX_EEPROM_SIZE_IN_BYTES & 0FFFFh) = 0
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| 46 | test ax, ax
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| 47 | jnz SHORT .FileTooBig
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| 48 | %else
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[68] | 49 | cmp ax, MAX_EEPROM_SIZE_IN_BYTES & 0FFFFh
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| 50 | ja SHORT .FileTooBig
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[621] | 51 | %endif
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[68] | 52 | .FileNotTooBig:
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[57] | 53 | xchg cx, ax
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[621] | 54 |
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| 55 | call .LoadFileWithNameInDSSIhandleInBXandSizeInDXCXtoRamBuffer
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| 56 | jc SHORT .CloseUsingHandleFromBXandDisplayErrorMessage
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| 57 |
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| 58 | mov al, FLG_CFGVARS_FILELOADED
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| 59 | call Buffers_NewBiosWithSizeInDXCXandSourceInALhasBeenLoadedForConfiguration
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| 60 | call FileIO_CloseUsingHandleFromBX
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| 61 | jmp SHORT DisplayFileLoadedSuccessfully
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| 62 |
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[57] | 63 | .FileTooBig:
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| 64 | call DisplayFileTooBig
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[621] | 65 | .CloseUsingHandleFromBXandDisplayErrorMessage:
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| 66 | call FileIO_CloseUsingHandleFromBX
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| 67 | .DisplayErrorMessage:
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| 68 | jmp SHORT DisplayFailedToLoadFile
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[57] | 69 |
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[621] | 70 |
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[57] | 71 | ;--------------------------------------------------------------------
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[68] | 72 | ; .LoadFileWithNameInDSSIhandleInBXandSizeInDXCXtoRamBuffer
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[57] | 73 | ; Parameters:
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| 74 | ; BX: File Handle
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[68] | 75 | ; DX:CX: File size
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[57] | 76 | ; DS:SI: File name
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| 77 | ; Returns:
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[293] | 78 | ; CF: Clear if successful
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[57] | 79 | ; Set if error
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| 80 | ; Corrupts registers:
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| 81 | ; AX, SI, DI, DS
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| 82 | ;--------------------------------------------------------------------
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| 83 | ALIGN JUMP_ALIGN
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[68] | 84 | .LoadFileWithNameInDSSIhandleInBXandSizeInDXCXtoRamBuffer:
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[57] | 85 | push es
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| 86 |
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| 87 | call Buffers_GetFileBufferToESDI
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| 88 | call Registers_ExchangeDSSIwithESDI
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[68] | 89 | call FileIO_ReadDXCXbytesToDSSIusingHandleFromBX
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[181] | 90 | jc SHORT .ReturnError
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[57] | 91 |
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[181] | 92 | ; Store filename to Cfgvars from ESDI
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[57] | 93 | push cx
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| 94 |
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[621] | 95 | call Registers_CopyESDItoDSSI ; File name in DS:SI
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[57] | 96 | push cs
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| 97 | pop es
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| 98 | mov di, g_cfgVars+CFGVARS.szOpenedFile
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[592] | 99 | %ifdef CLD_NEEDED
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[57] | 100 | cld
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[592] | 101 | %endif
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[621] | 102 | call String_CopyDSSItoESDIandGetLengthToCX ; Returns with CF cleared
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[57] | 103 |
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| 104 | pop cx
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[181] | 105 | ALIGN JUMP_ALIGN
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| 106 | .ReturnError:
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[57] | 107 | pop es
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| 108 | ret
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| 109 |
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| 110 |
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| 111 | ;--------------------------------------------------------------------
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| 112 | ; BiosFile_SaveUnsavedChanges
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| 113 | ; Parameters:
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| 114 | ; SS:BP: Menu handle
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| 115 | ; Returns:
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| 116 | ; Nothing
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| 117 | ; Corrupts registers:
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| 118 | ; AX, BX, CX, SI, DI
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| 119 | ;--------------------------------------------------------------------
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| 120 | ALIGN JUMP_ALIGN
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| 121 | BiosFile_SaveUnsavedChanges:
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| 122 | push ds
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| 123 |
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| 124 | push cs
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| 125 | pop ds
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| 126 | mov si, g_cfgVars+CFGVARS.szOpenedFile
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| 127 | call BiosFile_SaveRamBufferToFileInDSSI
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| 128 |
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| 129 | pop ds
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| 130 | ret
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| 131 |
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| 132 |
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| 133 | ;--------------------------------------------------------------------
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| 134 | ; BiosFile_SaveRamBufferToFileInDSSI
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| 135 | ; Parameters:
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| 136 | ; DS:SI: Name of file to save
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| 137 | ; SS:BP: Menu handle
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| 138 | ; Returns:
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| 139 | ; Nothing
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| 140 | ; Corrupts registers:
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| 141 | ; AX, BX, CX, SI, DI
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| 142 | ;--------------------------------------------------------------------
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| 143 | ALIGN JUMP_ALIGN
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| 144 | BiosFile_SaveRamBufferToFileInDSSI:
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| 145 | push es
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| 146 |
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| 147 | call Buffers_GenerateChecksum
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| 148 | call Buffers_GetFileBufferToESDI
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[484] | 149 | call EEPROM_GetXtideUniversalBiosSizeFromESDItoDXCX
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[138] | 150 |
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| 151 | mov al, FILE_ACCESS.WriteOnly
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| 152 | call FileIO_OpenWithPathInDSSIandFileAccessInAL
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| 153 | jc SHORT .DisplayErrorMessage
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| 154 |
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[621] | 155 | push ds
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[138] | 156 | call Registers_CopyESDItoDSSI
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[68] | 157 | call FileIO_WriteDXCXbytesFromDSSIusingHandleFromBX
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[621] | 158 | pop ds
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| 159 | pushf
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| 160 | call FileIO_CloseUsingHandleFromBX
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| 161 | popf
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[57] | 162 | jc SHORT .DisplayErrorMessage
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| 163 |
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| 164 | call Buffers_ClearUnsavedChanges
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[621] | 165 | pop es
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| 166 | jmp SHORT DisplayFileSavedSuccessfully
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[57] | 167 |
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| 168 | .DisplayErrorMessage:
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| 169 | pop es
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[621] | 170 | jmp SHORT DisplayFailedToSaveFile
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[57] | 171 |
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| 172 |
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| 173 | ;--------------------------------------------------------------------
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[293] | 174 | ; DisplayFileLoadedSuccessfully
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| 175 | ; DisplayFileSavedSuccessfully
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[57] | 176 | ; DisplayFailedToLoadFile
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| 177 | ; DisplayFailedToSaveFile
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| 178 | ; DisplayFileTooBig
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| 179 | ; Parameters:
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| 180 | ; SS:BP: Menu handle
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| 181 | ; Returns:
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| 182 | ; Nothing
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| 183 | ; Corrupts registers:
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| 184 | ; AX, DX
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| 185 | ;--------------------------------------------------------------------
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| 186 | ALIGN JUMP_ALIGN
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[293] | 187 | DisplayFileLoadedSuccessfully:
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[57] | 188 | mov dx, g_szDlgMainLoadFile
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| 189 | jmp Dialogs_DisplayNotificationFromCSDX
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| 190 |
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| 191 | ALIGN JUMP_ALIGN
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[293] | 192 | DisplayFileSavedSuccessfully:
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[57] | 193 | mov dx, g_szDlgMainSaveFile
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| 194 | jmp Dialogs_DisplayNotificationFromCSDX
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| 195 |
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| 196 | DisplayFailedToLoadFile:
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| 197 | mov dx, g_szDlgMainLoadErr
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| 198 | jmp Dialogs_DisplayErrorFromCSDX
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| 199 |
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| 200 | DisplayFailedToSaveFile:
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| 201 | mov dx, g_szDlgMainSaveErr
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| 202 | jmp Dialogs_DisplayErrorFromCSDX
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| 203 |
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| 204 | DisplayFileTooBig:
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| 205 | mov dx, g_szDlgMainFileTooBig
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| 206 | jmp Dialogs_DisplayErrorFromCSDX
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