This is the source code I test in the PE format, which can display the current operation used.
Operating system version.
stub portion of the source code under DOS --- call dos interrupt service routine @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ @@@@@@@@@@@@@@@@@@@@; FileName: os_type.asm; function: Reports current operation system type; Author: Purple Endurer; Version: 0.1;; OS Name Offset of INT 08h Offset of Int 43h; -------------------------------------------- -----------; MS DOS 7.00 001FH 5710H; MS DOS 7.10 18de 6ee5H; UCDOS 1AEBH; UCDOS98 1AEBH 6E20H; MSDOS MODE 0000H; PDOS95 0A50H 6E20H; Date Summary; ------- ------------------------------------------------; 2002.04 .07 Created from software paper 95P125; 2002.06.11 Show version if os is MS-DOS; 2002.08.07 Convert it to DOS EXE format to be stub; program in PE format execute file; 2004.02.09 Added the condition asm var 'UseStack ';? Question :; Why can this program run normally with stack segment ,; though there is push and pop instruction in bin2dec proc UseStack equ 0data segmentstrMSDOS db "MS DOS" cMajorVer db' 'db' .'cMinorVer db "$" strUCDOS DB "UCDOS" Cucdosver DB "98 Special Edition $" Strpdos95 DB "Windows95 Chinese DOS Way PDOS95 $ "Data Ends if Usestacksseg Segment StackDB 10 DUP (?) SSEG endsendifcode segment; ---------------------------------------------------------------------------------------------------------------------------------------------------- --------- If UsesTackassume CS: CODE, DS: DATA, SS: SSEGELSEASSUME CS: CODE, DS: DATAENDIF Main Procstart: Mov AX, DataMov DS, AX if Udeckmov AX, SSEGMOV SS, Axendif Mov AH, 30H; Get Versionint 21hadd Al, '0'
mov cMajorVer, almov bx, offset cMinorVercall bin2dec mov ax, 3508hint 21h mov dx, offset strMSDOSmov ah, 09hint 21h cmp bx, 1fhje @end; Here is DOS 7.00 onlycmp bx, 18dehje @End; Here is DOS 7.10 only mov dx, offset strUCDOScmp bx, 1aebhje @Report cmp bx, 1af3hjne @ next2mov cUCDOSVer, '$' jmp @report @ next2: mov dx, offset strPDOS95cmp bx, 0a50hjne @ End @ Report:; mov ah, 09hint 21h @ End: mov ax, 4c00hint 21hmain Endp; ================================================= ========; INPUT: AH = The binary will be translated); bx = first offset of memory us to store the result; output: bx = first offset of memory stiled the result; ------ -------------------------------------------------- Bin2Dec Procpush DXMOV DL, 10 @ loopdiv: MOV Al, Ahxor AH, AHDIV DL; (AL) <- (AX) / (DL) (AH) <- (AX)% (DL) Add Al, '0'mov [ BX], alinc bxcmp ah, 10jg @Loopdiv Add Ah, '0'mov [bx], ahpop DXRETBIN2DEC ENDP; ========================= ================= Source code under Windows - Call the API function getversionEx (); <<<<<<<<<<<<<< <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< filename: stubdemo. ASM;
FUCTION: DEMO HOW TO Use The Custome Stub of PE EXE Files .; Author: Purple Endure; Date Summary; ------------------------------------------------------- ----------------------------; 2002.04.07 create!; <<<<<<<<<<<<<<< <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< .386.model flat, stdcalloption caseMap : noneinclude /masm32/include/windows.incinclude /masm32/include/kernel32.incinclude /masm32/include/user32.incincludelib /masm32/lib/user32.libincludelib /masm32/lib/kernel32.lib bDetailInfo equ 0 .dataszMsgBoxTitle db "current Operating system ", 0 if bdetailinfo; ?????? bdetailinfoszwin31 DB" Win32S On Windows 3.1 ", 0SZWIN9X DB" WIN32 On Windows 95 ", 0ELSESZWIN31 DB" Windows 3.1 ", 0SZWIN9X DB" Windows 95 ", 0ndIf; ?? ??????????????????? ' ?) SZOSVERINFOTMP DB 255 DUP (?) .codestart: Mov Osver.dwosversionInfosize, Sizeof OsversionInfoinVoke GetversionEx, Addr Osver .IF Eaxmov Eax, Osver.dwplacefo rmId; Identifies the build number of the operating; system in the low-order word For Win9X .if eax == VER_PLATFORM_WIN32smov esi, OFFSET szWin31and OsVer.dwBuildNumber, 0FFFFh .elseif eax == VER_PLATFORM_WIN32_WINDOWSmov esi, OFFSET szWin9xand OsVer.dwBuildNumber, 0FFFFh. Else; EAX ==
