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CE-Collections/DOS/LOADCEPC.exe/xmsapi.cod
WindowsNT351 aca0ac35ba 201B103
2024-07-23 17:51:17 +08:00

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; Static Name Aliases
;
TITLE xmsapi.c
.286p
.287
INCLUDELIB SLIBCE
INCLUDELIB OLDNAMES.LIB
_TEXT SEGMENT WORD PUBLIC 'CODE'
_TEXT ENDS
_DATA SEGMENT WORD PUBLIC 'DATA'
_DATA ENDS
CONST SEGMENT WORD PUBLIC 'CONST'
CONST ENDS
_BSS SEGMENT WORD PUBLIC 'BSS'
_BSS ENDS
$$SYMBOLS SEGMENT BYTE PUBLIC 'DEBSYM'
$$SYMBOLS ENDS
$$TYPES SEGMENT BYTE PUBLIC 'DEBTYP'
$$TYPES ENDS
DGROUP GROUP CONST, _BSS, _DATA
ASSUME DS: DGROUP, SS: DGROUP
PUBLIC _XMSControl
PUBLIC _XmsErrorMessages
_DATA SEGMENT
_XMSControl DD 00H
$SG215 DB 'Success', 00H
$SG216 DB 'Not implemented', 00H
$SG217 DB 'VDISK detected', 00H
$SG218 DB 'A20 error', 00H
$SG219 DB 'No HMA', 00H
$SG220 DB 'HMA in use', 00H
$SG221 DB 'HMA denied', 00H
$SG222 DB 'HMA not allocated', 00H
$SG223 DB 'A20 still enabled', 00H
$SG224 DB 'No free extended memory', 00H
$SG225 DB 'No free handles', 00H
$SG226 DB 'Invalid handle', 00H
$SG227 DB 'Invalid source handle', 00H
$SG228 DB 'Invalid source offset', 00H
$SG229 DB 'Invalid destination handle', 00H
$SG230 DB 'Invalid destination offset', 00H
$SG231 DB 'Invalid length', 00H
$SG232 DB 'Invalid overlap', 00H
$SG233 DB 'Parity error', 00H
$SG234 DB 'Block locked', 00H
$SG235 DB 'Handle locked', 00H
$SG236 DB 'Lock count overflow', 00H
$SG237 DB 'Lock failed', 00H
$SG238 DB 'Smaller UMB available', 00H
$SG239 DB 'No UMBs available', 00H
$SG240 DB 'Invalid UMB segment', 00H
_XmsErrorMessages DW 00H
DW DGROUP:$SG215
DW 080H
DW DGROUP:$SG216
DW 081H
DW DGROUP:$SG217
DW 082H
DW DGROUP:$SG218
DW 090H
DW DGROUP:$SG219
DW 091H
DW DGROUP:$SG220
DW 092H
DW DGROUP:$SG221
DW 093H
DW DGROUP:$SG222
DW 094H
DW DGROUP:$SG223
DW 0a0H
DW DGROUP:$SG224
DW 0a1H
DW DGROUP:$SG225
DW 0a2H
DW DGROUP:$SG226
DW 0a3H
DW DGROUP:$SG227
DW 0a4H
DW DGROUP:$SG228
DW 0a5H
DW DGROUP:$SG229
DW 0a6H
DW DGROUP:$SG230
DW 0a7H
DW DGROUP:$SG231
DW 0a8H
DW DGROUP:$SG232
DW 0a9H
DW DGROUP:$SG233
DW 0aaH
DW DGROUP:$SG234
DW 0abH
DW DGROUP:$SG235
DW 0acH
DW DGROUP:$SG236
DW 0adH
DW DGROUP:$SG237
DW 0b0H
DW DGROUP:$SG238
DW 0b1H
DW DGROUP:$SG239
DW 0b2H
DW DGROUP:$SG240
$SG316 DB 'Unknown error', 00H
_DATA ENDS
_TEXT SEGMENT
ASSUME CS: _TEXT
PUBLIC _XmsIsInstalled
_XmsIsInstalled PROC NEAR
;|*** //
;|*** // Copyright (c) Microsoft Corporation. All rights reserved.
;|*** //
;|*** //
;|*** // Use of this sample source code is subject to the terms of the Microsoft
;|*** // license agreement under which you licensed this sample source code. If
;|*** // you did not accept the terms of the license agreement, you are not
;|*** // authorized to use this sample source code. For the terms of the license,
;|*** // please see the license agreement between you and Microsoft or, if applicable,
;|*** // see the LICENSE.RTF on your install media or the root of your tools installation.
;|*** // THE SAMPLE SOURCE CODE IS PROVIDED "AS IS", WITH NO WARRANTIES.
;|*** //
;|*** /*++
;|*** THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
;|*** ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
;|*** THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
;|*** PARTICULAR PURPOSE.
;|***
;|*** Module Name:
;|***
;|*** Abstract:
;|***
;|*** Functions:
;|***
;|***
;|*** Notes:
;|***
;|*** --*/
;|***
;|*** #include "xmsapi.h"
;|***
;|*** #pragma warning(disable:4704)
;|***
;|*** #pragma pack(1)
;|***
;|*** typedef struct _EXTENDED_MEMORY_MOVE
;|*** {
;|*** unsigned long ulLength;
;|*** unsigned int uiSourceHandle;
;|*** unsigned long ulSourceOffset;
;|*** unsigned int uiDestinationHandle;
;|*** unsigned long ulDestinationOffset;
;|***
;|*** } EXTENDED_MEMORY_MOVE, *PEXTENDED_MEMORY_MOVE;
;|***
;|*** #pragma pack()
;|***
;|*** int (far * XMSControl)() = 0;
;|***
;|*** struct
;|*** {
;|*** int iErrorCode;
;|*** char * pszErrorString;
;|*** }
;|*** XmsErrorMessages[] =
;|*** {
;|*** { XMS_SUCCESS, "Success" },
;|***
;|*** { XMS_E_NOT_IMPLEMENTED, "Not implemented" },
;|*** { XMS_E_VDISK_DETECTED, "VDISK detected" },
;|*** { XMS_E_A20_ERROR, "A20 error" },
;|***
;|*** { XMS_W_NO_HMA, "No HMA" },
;|*** { XMS_W_HMA_IN_USE, "HMA in use" },
;|*** { XMS_W_HMA_DENIED, "HMA denied" },
;|*** { XMS_W_HMA_NOT_ALLOCATED, "HMA not allocated" },
;|*** { XMS_W_A20_STILL_ENABLED, "A20 still enabled" },
;|***
;|*** { XMS_S_NO_FREE_EXTENDED_MEMORY, "No free extended memory" },
;|*** { XMS_S_NO_FREE_HANDLES, "No free handles" },
;|*** { XMS_S_INVALID_HANDLE, "Invalid handle" },
;|*** { XMS_S_INVALID_SOURCE_HANDLE, "Invalid source handle" },
;|*** { XMS_S_INVALID_SOURCE_OFFSET, "Invalid source offset" },
;|*** { XMS_S_INVALID_DESTINATION_HANDLE, "Invalid destination handle" },
;|*** { XMS_S_INVALID_DESTINATION_OFFSET, "Invalid destination offset" },
;|*** { XMS_S_INVALID_LENGTH, "Invalid length" },
;|*** { XMS_S_INVALID_OVERLAP, "Invalid overlap" },
;|*** { XMS_S_PARITY_ERROR, "Parity error" },
;|*** { XMS_S_BLOCK_LOCKED, "Block locked" },
;|*** { XMS_S_HANDLE_LOCKED, "Handle locked" },
;|*** { XMS_S_LOCK_COUNT_OVERFLOW, "Lock count overflow" },
;|*** { XMS_S_LOCK_FAILED, "Lock failed" },
;|***
;|*** { XMS_I_SMALLER_UMB_AVAILABLE, "Smaller UMB available" },
;|*** { XMS_I_NO_UMBS_AVAILABLE, "No UMBs available" },
;|*** { XMS_I_INVALID_UMB_SEGMENT, "Invalid UMB segment" }
;|*** };
;|***
;|*** #define N_XMS_ERROR_MESSAGES (sizeof(XmsErrorMessages) / sizeof(XmsErrorMessages[0]))
;|***
;|*** int
;|*** XmsIsInstalled()
;|*** {
; Line 93
*** 000000 c8 02 00 00 enter 2,0
; bInstalled = -2
;|*** int bInstalled = 0;
; Line 94
*** 000004 c7 46 fe 00 00 mov WORD PTR [bp-2],0 ;bInstalled
;|***
;|*** if (XMSControl != 0)
; Line 96
*** 000009 a1 02 00 mov ax,WORD PTR _XMSControl+2
*** 00000c 0b 06 00 00 or ax,WORD PTR _XMSControl
*** 000010 74 06 je $I243
;|*** {
;|*** return 1;
; Line 98
*** 000012 b8 01 00 mov ax,1
*** 000015 c9 leave
*** 000016 c3 ret
*** 000017 90 nop
;|*** }
;|***
;|*** _asm
; Line 101
$I243:
;|*** {
;|*** mov ax,4300h ; Check if XMS is present)
; Line 103
*** 000018 b8 00 43 mov ax,17152 ;4300H
;|*** int 2Fh
; Line 104
*** 00001b cd 2f int 47 ;002fH
;|*** xor ah,ah
; Line 105
*** 00001d 32 e4 xor ah,ah
;|*** cmp al,80h
; Line 106
*** 00001f 3c 80 cmp al,128 ;0080H
;|*** jne done ; Nope - no point in continuing
; Line 107
*** 000021 75 10 jne $done244
;|***
;|*** mov ax,4310h ; Get XMS entry point
; Line 109
*** 000023 b8 10 43 mov ax,17168 ;4310H
;|*** int 2Fh
; Line 110
*** 000026 cd 2f int 47 ;002fH
;|*** mov WORD PTR [XMSControl], bx ; Save entry point
; Line 111
*** 000028 89 1e 00 00 mov WORD PTR _XMSControl,bx
;|*** mov WORD PTR [XMSControl + 2], es
; Line 112
*** 00002c 8c 06 02 00 mov WORD PTR _XMSControl+2,es
;|***
;|*** inc bInstalled ; Indicate installed
; Line 114
*** 000030 ff 46 fe inc WORD PTR [bp-2] ;bInstalled
;|*** }
; Line 115
;|***
;|*** done:
; Line 117
$done244:
;|*** return bInstalled;
; Line 118
*** 000033 8b 46 fe mov ax,WORD PTR [bp-2] ;bInstalled
;|*** }
; Line 119
*** 000036 c9 leave
*** 000037 c3 ret
_XmsIsInstalled ENDP
PUBLIC _XmsLocalEnableA20
_XmsLocalEnableA20 PROC NEAR
;|***
;|*** int
;|*** XmsLocalEnableA20()
;|*** {
; Line 123
*** 000038 c8 02 00 00 enter 2,0
; xmsError = -2
;|*** int xmsError = XMS_SUCCESS;
; Line 124
*** 00003c c7 46 fe 00 00 mov WORD PTR [bp-2],0 ;xmsError
;|***
;|*** if (!XmsIsInstalled())
; Line 126
*** 000041 e8 bc ff call _XmsIsInstalled
*** 000044 0b c0 or ax,ax
*** 000046 75 06 jne $I247
;|*** {
;|*** return XMS_E_NOT_IMPLEMENTED;
; Line 128
*** 000048 b8 80 00 mov ax,128 ;0080H
*** 00004b c9 leave
*** 00004c c3 ret
*** 00004d 90 nop
;|*** }
;|***
;|*** _asm
; Line 131
$I247:
;|*** {
;|*** mov ah, 05h
; Line 133
*** 00004e b4 05 mov ah,5
;|*** call [XMSControl]
; Line 134
*** 000050 ff 1e 00 00 call DWORD PTR _XMSControl
;|*** clc
; Line 135
*** 000054 f8 clc
;|*** rcr al, 1
; Line 136
*** 000055 d0 d8 rcr al,1
;|*** jc done
; Line 137
*** 000057 72 05 jb $done248
;|***
;|*** xor bh, bh
; Line 139
*** 000059 32 ff xor bh,bh
;|*** mov xmsError, bx
; Line 140
*** 00005b 89 5e fe mov WORD PTR [bp-2],bx ;xmsError
;|*** }
; Line 141
;|***
;|*** done:
; Line 143
$done248:
;|*** return xmsError;
; Line 144
*** 00005e 8b 46 fe mov ax,WORD PTR [bp-2] ;xmsError
;|*** }
; Line 145
*** 000061 c9 leave
*** 000062 c3 ret
*** 000063 90 nop
_XmsLocalEnableA20 ENDP
PUBLIC _XmsLocalDisableA20
_XmsLocalDisableA20 PROC NEAR
;|***
;|*** int
;|*** XmsLocalDisableA20()
;|*** {
; Line 149
*** 000064 c8 02 00 00 enter 2,0
; xmsError = -2
;|*** int xmsError = XMS_SUCCESS;
; Line 150
*** 000068 c7 46 fe 00 00 mov WORD PTR [bp-2],0 ;xmsError
;|***
;|*** if (!XmsIsInstalled())
; Line 152
*** 00006d e8 90 ff call _XmsIsInstalled
*** 000070 0b c0 or ax,ax
*** 000072 75 06 jne $I251
;|*** {
;|*** return XMS_E_NOT_IMPLEMENTED;
; Line 154
*** 000074 b8 80 00 mov ax,128 ;0080H
*** 000077 c9 leave
*** 000078 c3 ret
*** 000079 90 nop
;|*** }
;|***
;|*** _asm
; Line 157
$I251:
;|*** {
;|*** mov ah, 06h
; Line 159
*** 00007a b4 06 mov ah,6
;|*** call [XMSControl]
; Line 160
*** 00007c ff 1e 00 00 call DWORD PTR _XMSControl
;|*** clc
; Line 161
*** 000080 f8 clc
;|*** rcr al, 1
; Line 162
*** 000081 d0 d8 rcr al,1
;|*** jc done
; Line 163
*** 000083 72 05 jb $done252
;|***
;|*** xor bh, bh
; Line 165
*** 000085 32 ff xor bh,bh
;|*** mov xmsError, bx
; Line 166
*** 000087 89 5e fe mov WORD PTR [bp-2],bx ;xmsError
;|*** }
; Line 167
;|***
;|*** done:
; Line 169
$done252:
;|*** return xmsError;
; Line 170
*** 00008a 8b 46 fe mov ax,WORD PTR [bp-2] ;xmsError
;|*** }
; Line 171
*** 00008d c9 leave
*** 00008e c3 ret
*** 00008f 90 nop
_XmsLocalDisableA20 ENDP
PUBLIC _XmsQueryA20
_XmsQueryA20 PROC NEAR
;|***
;|*** int
;|*** XmsQueryA20(
;|*** int *pbEnabled)
;|*** {
; Line 176
*** 000090 c8 02 00 00 enter 2,0
*** 000094 56 push si
; xmsError = -2
; pbEnabled = 4
;|*** int xmsError = XMS_SUCCESS;
; Line 177
*** 000095 c7 46 fe 00 00 mov WORD PTR [bp-2],0 ;xmsError
;|***
;|*** if (!XmsIsInstalled())
; Line 179
*** 00009a e8 63 ff call _XmsIsInstalled
*** 00009d 0b c0 or ax,ax
*** 00009f 75 07 jne $I257
;|*** {
;|*** return XMS_E_NOT_IMPLEMENTED;
; Line 181
*** 0000a1 b8 80 00 mov ax,128 ;0080H
*** 0000a4 5e pop si
*** 0000a5 c9 leave
*** 0000a6 c3 ret
*** 0000a7 90 nop
;|*** }
;|***
;|*** _asm
; Line 184
$I257:
;|*** {
;|*** mov ah, 07h
; Line 186
*** 0000a8 b4 07 mov ah,7
;|*** call [XMSControl]
; Line 187
*** 0000aa ff 1e 00 00 call DWORD PTR _XMSControl
;|***
;|*** push si
; Line 189
*** 0000ae 56 push si
;|*** mov si, pbEnabled
; Line 190
*** 0000af 8b 76 04 mov si,WORD PTR [bp+4] ;pbEnabled
;|*** mov WORD PTR [si], ax
; Line 191
*** 0000b2 89 04 mov WORD PTR [si],ax
;|*** pop si
; Line 192
*** 0000b4 5e pop si
;|***
;|*** xor bh, bh
; Line 194
*** 0000b5 32 ff xor bh,bh
;|*** mov xmsError, bx
; Line 195
*** 0000b7 89 5e fe mov WORD PTR [bp-2],bx ;xmsError
;|*** }
; Line 196
;|***
;|*** return xmsError;
; Line 198
*** 0000ba 8b 46 fe mov ax,WORD PTR [bp-2] ;xmsError
;|*** }
; Line 199
*** 0000bd 5e pop si
*** 0000be c9 leave
*** 0000bf c3 ret
_XmsQueryA20 ENDP
PUBLIC _XmsQueryFreeExtendedMemory
_XmsQueryFreeExtendedMemory PROC NEAR
;|***
;|*** int
;|*** XmsQueryFreeExtendedMemory(
;|*** unsigned int *puiLargestFreeBlock,
;|*** unsigned int *puiTotalFree)
;|*** {
; Line 205
*** 0000c0 c8 02 00 00 enter 2,0
*** 0000c4 56 push si
; xmsError = -2
; puiTotalFree = 6
; puiLargestFreeBlock = 4
;|*** int xmsError = XMS_SUCCESS;
; Line 206
*** 0000c5 c7 46 fe 00 00 mov WORD PTR [bp-2],0 ;xmsError
;|***
;|*** if (!XmsIsInstalled())
; Line 208
*** 0000ca e8 33 ff call _XmsIsInstalled
*** 0000cd 0b c0 or ax,ax
*** 0000cf 75 07 jne $I264
;|*** {
;|*** return XMS_E_NOT_IMPLEMENTED;
; Line 210
*** 0000d1 b8 80 00 mov ax,128 ;0080H
*** 0000d4 5e pop si
*** 0000d5 c9 leave
*** 0000d6 c3 ret
*** 0000d7 90 nop
;|*** }
;|***
;|*** _asm
; Line 213
$I264:
;|*** {
;|*** mov ah, 08h
; Line 215
*** 0000d8 b4 08 mov ah,8
;|*** call [XMSControl]
; Line 216
*** 0000da ff 1e 00 00 call DWORD PTR _XMSControl
;|***
;|*** push si
; Line 218
*** 0000de 56 push si
;|*** mov si, puiLargestFreeBlock
; Line 219
*** 0000df 8b 76 04 mov si,WORD PTR [bp+4] ;puiLargestFreeBlock
;|*** mov WORD PTR [si], ax
; Line 220
*** 0000e2 89 04 mov WORD PTR [si],ax
;|***
;|*** mov si, puiTotalFree
; Line 222
*** 0000e4 8b 76 06 mov si,WORD PTR [bp+6] ;puiTotalFree
;|*** mov WORD PTR [si], dx
; Line 223
*** 0000e7 89 14 mov WORD PTR [si],dx
;|*** pop si
; Line 224
*** 0000e9 5e pop si
;|***
;|*** xor bh, bh
; Line 226
*** 0000ea 32 ff xor bh,bh
;|*** mov xmsError, bx
; Line 227
*** 0000ec 89 5e fe mov WORD PTR [bp-2],bx ;xmsError
;|*** }
; Line 228
;|***
;|*** return xmsError;
; Line 230
*** 0000ef 8b 46 fe mov ax,WORD PTR [bp-2] ;xmsError
;|*** }
; Line 231
*** 0000f2 5e pop si
*** 0000f3 c9 leave
*** 0000f4 c3 ret
*** 0000f5 90 nop
_XmsQueryFreeExtendedMemory ENDP
PUBLIC _XmsAllocateExtendedMemory
_XmsAllocateExtendedMemory PROC NEAR
;|***
;|*** int
;|*** XmsAllocateExtendedMemory(
;|*** unsigned int uiBlockSizeK,
;|*** unsigned int * puiBlockHandle)
;|*** {
; Line 237
*** 0000f6 c8 02 00 00 enter 2,0
*** 0000fa 56 push si
; xmsError = -2
; puiBlockHandle = 6
; uiBlockSizeK = 4
;|*** int xmsError = XMS_SUCCESS;
; Line 238
*** 0000fb c7 46 fe 00 00 mov WORD PTR [bp-2],0 ;xmsError
;|***
;|*** if (!XmsIsInstalled())
; Line 240
*** 000100 e8 fd fe call _XmsIsInstalled
*** 000103 0b c0 or ax,ax
*** 000105 75 07 jne $I271
;|*** {
;|*** return XMS_E_NOT_IMPLEMENTED;
; Line 242
*** 000107 b8 80 00 mov ax,128 ;0080H
*** 00010a 5e pop si
*** 00010b c9 leave
*** 00010c c3 ret
*** 00010d 90 nop
;|*** }
;|***
;|*** _asm
; Line 245
$I271:
;|*** {
;|*** mov ah, 09h
; Line 247
*** 00010e b4 09 mov ah,9
;|*** mov dx, uiBlockSizeK
; Line 248
*** 000110 8b 56 04 mov dx,WORD PTR [bp+4] ;uiBlockSizeK
;|*** call [XMSControl]
; Line 249
*** 000113 ff 1e 00 00 call DWORD PTR _XMSControl
;|***
;|*** push si
; Line 251
*** 000117 56 push si
;|*** mov si, puiBlockHandle
; Line 252
*** 000118 8b 76 06 mov si,WORD PTR [bp+6] ;puiBlockHandle
;|*** mov WORD PTR [si], dx
; Line 253
*** 00011b 89 14 mov WORD PTR [si],dx
;|*** pop si
; Line 254
*** 00011d 5e pop si
;|***
;|*** clc
; Line 256
*** 00011e f8 clc
;|*** rcr al, 1
; Line 257
*** 00011f d0 d8 rcr al,1
;|*** jc done
; Line 258
*** 000121 72 05 jb $done272
;|***
;|*** xor bh, bh
; Line 260
*** 000123 32 ff xor bh,bh
;|*** mov xmsError, bx
; Line 261
*** 000125 89 5e fe mov WORD PTR [bp-2],bx ;xmsError
;|*** }
; Line 262
;|***
;|*** done:
; Line 264
$done272:
;|*** return xmsError;
; Line 265
*** 000128 8b 46 fe mov ax,WORD PTR [bp-2] ;xmsError
;|*** }
; Line 266
*** 00012b 5e pop si
*** 00012c c9 leave
*** 00012d c3 ret
_XmsAllocateExtendedMemory ENDP
PUBLIC _XmsFreeExtendedMemory
_XmsFreeExtendedMemory PROC NEAR
;|***
;|*** int
;|*** XmsFreeExtendedMemory(
;|*** unsigned int uiBlockHandle)
;|*** {
; Line 271
*** 00012e c8 02 00 00 enter 2,0
; xmsError = -2
; uiBlockHandle = 4
;|*** int xmsError = XMS_SUCCESS;
; Line 272
*** 000132 c7 46 fe 00 00 mov WORD PTR [bp-2],0 ;xmsError
;|***
;|*** if (!XmsIsInstalled())
; Line 274
*** 000137 e8 c6 fe call _XmsIsInstalled
*** 00013a 0b c0 or ax,ax
*** 00013c 75 06 jne $I277
;|*** {
;|*** return XMS_E_NOT_IMPLEMENTED;
; Line 276
*** 00013e b8 80 00 mov ax,128 ;0080H
*** 000141 c9 leave
*** 000142 c3 ret
*** 000143 90 nop
;|*** }
;|***
;|*** _asm
; Line 279
$I277:
;|*** {
;|*** mov ah, 0Ah
; Line 281
*** 000144 b4 0a mov ah,10 ;000aH
;|*** mov dx, uiBlockHandle
; Line 282
*** 000146 8b 56 04 mov dx,WORD PTR [bp+4] ;uiBlockHandle
;|*** call [XMSControl]
; Line 283
*** 000149 ff 1e 00 00 call DWORD PTR _XMSControl
;|***
;|*** clc
; Line 285
*** 00014d f8 clc
;|*** rcr al, 1
; Line 286
*** 00014e d0 d8 rcr al,1
;|*** jc done
; Line 287
*** 000150 72 05 jb $done278
;|***
;|*** xor bh, bh
; Line 289
*** 000152 32 ff xor bh,bh
;|*** mov xmsError, bx
; Line 290
*** 000154 89 5e fe mov WORD PTR [bp-2],bx ;xmsError
;|*** }
; Line 291
;|***
;|*** done:
; Line 293
$done278:
;|*** return xmsError;
; Line 294
*** 000157 8b 46 fe mov ax,WORD PTR [bp-2] ;xmsError
;|*** }
; Line 295
*** 00015a c9 leave
*** 00015b c3 ret
_XmsFreeExtendedMemory ENDP
PUBLIC _XmsMoveExtendedMemory
_XmsMoveExtendedMemory PROC NEAR
;|***
;|*** int
;|*** XmsMoveExtendedMemory(
;|*** unsigned int uiSourceHandle,
;|*** unsigned long ulSourceOffset,
;|*** unsigned int uiDestinationHandle,
;|*** unsigned long ulDestinationOffset,
;|*** unsigned long ulLength)
;|*** {
; Line 304
*** 00015c c8 12 00 00 enter 18,0
*** 000160 56 push si
; moveInfo = -16
; xmsError = -18
; ulLength = 16
; ulDestinationOffset = 12
; uiDestinationHandle = 10
; ulSourceOffset = 6
; uiSourceHandle = 4
;|*** EXTENDED_MEMORY_MOVE moveInfo;
;|***
;|*** int xmsError = XMS_SUCCESS;
; Line 307
*** 000161 c7 46 ee 00 00 mov WORD PTR [bp-18],0 ;xmsError
;|***
;|*** if (!XmsIsInstalled())
; Line 309
*** 000166 e8 97 fe call _XmsIsInstalled
*** 000169 0b c0 or ax,ax
*** 00016b 75 07 jne $I292
;|*** {
;|*** return XMS_E_NOT_IMPLEMENTED;
; Line 311
*** 00016d b8 80 00 mov ax,128 ;0080H
*** 000170 5e pop si
*** 000171 c9 leave
*** 000172 c3 ret
*** 000173 90 nop
;|*** }
;|***
;|*** moveInfo.uiSourceHandle = uiSourceHandle;
; Line 314
$I292:
*** 000174 8b 46 04 mov ax,WORD PTR [bp+4] ;uiSourceHandle
*** 000177 89 46 f4 mov WORD PTR [bp-12],ax
;|*** moveInfo.ulSourceOffset = ulSourceOffset;
; Line 315
*** 00017a 8b 46 06 mov ax,WORD PTR [bp+6] ;ulSourceOffset
*** 00017d 8b 56 08 mov dx,WORD PTR [bp+8]
*** 000180 89 46 f6 mov WORD PTR [bp-10],ax
*** 000183 89 56 f8 mov WORD PTR [bp-8],dx
;|*** moveInfo.uiDestinationHandle = uiDestinationHandle;
; Line 316
*** 000186 8b 46 0a mov ax,WORD PTR [bp+10] ;uiDestinationHandle
*** 000189 89 46 fa mov WORD PTR [bp-6],ax
;|*** moveInfo.ulDestinationOffset = ulDestinationOffset;
; Line 317
*** 00018c 8b 46 0c mov ax,WORD PTR [bp+12] ;ulDestinationOffset
*** 00018f 8b 56 0e mov dx,WORD PTR [bp+14]
*** 000192 89 46 fc mov WORD PTR [bp-4],ax
*** 000195 89 56 fe mov WORD PTR [bp-2],dx
;|*** moveInfo.ulLength = ulLength;
; Line 318
*** 000198 8b 46 10 mov ax,WORD PTR [bp+16] ;ulLength
*** 00019b 8b 56 12 mov dx,WORD PTR [bp+18]
*** 00019e 89 46 f0 mov WORD PTR [bp-16],ax ;moveInfo
*** 0001a1 89 56 f2 mov WORD PTR [bp-14],dx
;|***
;|*** _asm
;|*** {
;|*** mov ah, 0Bh
; Line 322
*** 0001a4 b4 0b mov ah,11 ;000bH
;|***
;|*** push si
; Line 324
*** 0001a6 56 push si
;|*** lea si, moveInfo
; Line 325
*** 0001a7 8d 76 f0 lea si,WORD PTR [bp-16] ;moveInfo
;|*** call [XMSControl]
; Line 326
*** 0001aa ff 1e 00 00 call DWORD PTR _XMSControl
;|*** pop si
; Line 327
*** 0001ae 5e pop si
;|***
;|*** clc
; Line 329
*** 0001af f8 clc
;|*** rcr al, 1
; Line 330
*** 0001b0 d0 d8 rcr al,1
;|*** jc done
; Line 331
*** 0001b2 72 05 jb $done293
;|***
;|*** xor bh, bh
; Line 333
*** 0001b4 32 ff xor bh,bh
;|*** mov xmsError, bx
; Line 334
*** 0001b6 89 5e ee mov WORD PTR [bp-18],bx ;xmsError
;|*** }
; Line 335
;|***
;|*** done:
; Line 337
$done293:
;|*** return xmsError;
; Line 338
*** 0001b9 8b 46 ee mov ax,WORD PTR [bp-18] ;xmsError
;|*** }
; Line 339
*** 0001bc 5e pop si
*** 0001bd c9 leave
*** 0001be c3 ret
*** 0001bf 90 nop
_XmsMoveExtendedMemory ENDP
PUBLIC _XmsLockExtendedMemory
_XmsLockExtendedMemory PROC NEAR
;|***
;|*** int
;|*** XmsLockExtendedMemory(
;|*** unsigned int uiBlockHandle,
;|*** unsigned long * pulLinearAddress)
;|*** {
; Line 345
*** 0001c0 c8 02 00 00 enter 2,0
*** 0001c4 56 push si
; xmsError = -2
; pulLinearAddress = 6
; uiBlockHandle = 4
;|*** int xmsError = XMS_SUCCESS;
; Line 346
*** 0001c5 c7 46 fe 00 00 mov WORD PTR [bp-2],0 ;xmsError
;|***
;|*** if (!XmsIsInstalled())
; Line 348
*** 0001ca e8 33 fe call _XmsIsInstalled
*** 0001cd 0b c0 or ax,ax
*** 0001cf 75 07 jne $I300
;|*** {
;|*** return XMS_E_NOT_IMPLEMENTED;
; Line 350
*** 0001d1 b8 80 00 mov ax,128 ;0080H
*** 0001d4 5e pop si
*** 0001d5 c9 leave
*** 0001d6 c3 ret
*** 0001d7 90 nop
;|*** }
;|***
;|*** _asm
; Line 353
$I300:
;|*** {
;|*** mov ah, 0Ch
; Line 355
*** 0001d8 b4 0c mov ah,12 ;000cH
;|*** mov dx, uiBlockHandle
; Line 356
*** 0001da 8b 56 04 mov dx,WORD PTR [bp+4] ;uiBlockHandle
;|*** call [XMSControl]
; Line 357
*** 0001dd ff 1e 00 00 call DWORD PTR _XMSControl
;|***
;|*** push si
; Line 359
*** 0001e1 56 push si
;|*** mov si, pulLinearAddress
; Line 360
*** 0001e2 8b 76 06 mov si,WORD PTR [bp+6] ;pulLinearAddress
;|*** mov WORD PTR [si], bx
; Line 361
*** 0001e5 89 1c mov WORD PTR [si],bx
;|*** mov WORD PTR [si + 2], dx
; Line 362
*** 0001e7 89 54 02 mov WORD PTR [si+2],dx
;|*** pop si
; Line 363
*** 0001ea 5e pop si
;|***
;|*** clc
; Line 365
*** 0001eb f8 clc
;|*** rcr al, 1
; Line 366
*** 0001ec d0 d8 rcr al,1
;|*** jc done
; Line 367
*** 0001ee 72 05 jb $done301
;|***
;|*** xor bh, bh
; Line 369
*** 0001f0 32 ff xor bh,bh
;|*** mov xmsError, bx
; Line 370
*** 0001f2 89 5e fe mov WORD PTR [bp-2],bx ;xmsError
;|*** }
; Line 371
;|***
;|*** done:
; Line 373
$done301:
;|*** return xmsError;
; Line 374
*** 0001f5 8b 46 fe mov ax,WORD PTR [bp-2] ;xmsError
;|*** }
; Line 375
*** 0001f8 5e pop si
*** 0001f9 c9 leave
*** 0001fa c3 ret
*** 0001fb 90 nop
_XmsLockExtendedMemory ENDP
PUBLIC _XmsUnlockExtendedMemory
_XmsUnlockExtendedMemory PROC NEAR
;|***
;|*** int
;|*** XmsUnlockExtendedMemory(
;|*** unsigned int uiBlockHandle)
;|*** {
; Line 380
*** 0001fc c8 02 00 00 enter 2,0
; xmsError = -2
; uiBlockHandle = 4
;|*** int xmsError = XMS_SUCCESS;
; Line 381
*** 000200 c7 46 fe 00 00 mov WORD PTR [bp-2],0 ;xmsError
;|***
;|*** if (!XmsIsInstalled())
; Line 383
*** 000205 e8 f8 fd call _XmsIsInstalled
*** 000208 0b c0 or ax,ax
*** 00020a 75 06 jne $I306
;|*** {
;|*** return XMS_E_NOT_IMPLEMENTED;
; Line 385
*** 00020c b8 80 00 mov ax,128 ;0080H
*** 00020f c9 leave
*** 000210 c3 ret
*** 000211 90 nop
;|*** }
;|***
;|*** _asm
; Line 388
$I306:
;|*** {
;|*** mov ah, 0Dh
; Line 390
*** 000212 b4 0d mov ah,13 ;000dH
;|*** mov dx, uiBlockHandle
; Line 391
*** 000214 8b 56 04 mov dx,WORD PTR [bp+4] ;uiBlockHandle
;|*** call [XMSControl]
; Line 392
*** 000217 ff 1e 00 00 call DWORD PTR _XMSControl
;|***
;|*** clc
; Line 394
*** 00021b f8 clc
;|*** rcr al, 1
; Line 395
*** 00021c d0 d8 rcr al,1
;|*** jc done
; Line 396
*** 00021e 72 05 jb $done307
;|***
;|*** xor bh, bh
; Line 398
*** 000220 32 ff xor bh,bh
;|*** mov xmsError, bx
; Line 399
*** 000222 89 5e fe mov WORD PTR [bp-2],bx ;xmsError
;|*** }
; Line 400
;|***
;|*** done:
; Line 402
$done307:
;|*** return xmsError;
; Line 403
*** 000225 8b 46 fe mov ax,WORD PTR [bp-2] ;xmsError
;|*** }
; Line 404
*** 000228 c9 leave
*** 000229 c3 ret
_XmsUnlockExtendedMemory ENDP
PUBLIC _XmsErrorString
_XmsErrorString PROC NEAR
;|***
;|*** char *XmsErrorString(int xmsError)
;|*** {
; Line 407
*** 00022a 55 push bp
*** 00022b 8b ec mov bp,sp
*** 00022d 57 push di
; xmsError = 4
; register di = i
;|*** int i;
;|***
;|*** for (i = 0; i < N_XMS_ERROR_MESSAGES; i++)
; Line 410
*** 00022e 33 ff xor di,di
*** 000230 bb 00 00 mov bx,OFFSET DGROUP:_XmsErrorMessages
*** 000233 8b 56 04 mov dx,WORD PTR [bp+4] ;xmsError
$F312:
;|*** {
;|*** if (XmsErrorMessages[i].iErrorCode == xmsError)
; Line 412
*** 000236 39 17 cmp WORD PTR [bx],dx
*** 000238 74 0c je $L318
*** 00023a 47 inc di
*** 00023b 83 c3 04 add bx,4
*** 00023e 81 fb 68 00 cmp bx,OFFSET DGROUP:_XmsErrorMessages+104
*** 000242 72 f2 jb $F312
*** 000244 eb 0a jmp SHORT $FB314
$L318:
;|*** {
;|*** return XmsErrorMessages[i].pszErrorString;
; Line 414
*** 000246 c1 e7 02 shl di,2
*** 000249 8b 85 02 00 mov ax,WORD PTR _XmsErrorMessages[di+2]
*** 00024d 5f pop di
*** 00024e c9 leave
*** 00024f c3 ret
;|*** }
;|*** }
; Line 416
$FB314:
;|***
;|*** return "Unknown error";
; Line 418
*** 000250 b8 00 00 mov ax,OFFSET DGROUP:$SG316
;|*** }
; Line 419
*** 000253 5f pop di
*** 000254 c9 leave
*** 000255 c3 ret
_XmsErrorString ENDP
_TEXT ENDS
END
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