139 lines
3.7 KiB
C
139 lines
3.7 KiB
C
/*
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* cardcopy, (c) 2000 Christoph Giesselink (cgiess@swol.de)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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* MA 02111-1307, USA.
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*/
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#define WIN32_LEAN_AND_MEAN
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#define WIN32_EXTRA_LEAN
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#include <windows.h>
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#include <stdio.h>
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#include <assert.h>
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#define VERSION "1.0"
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#define FT_ERR 0 // illegal format
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#define FT_NEW 1 // empty file
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#define FT_SXGX 2 // Emu48 HP48SX/GX state file
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#define FT_PORT 3 // 128KB port file
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#define PORT1SIZE (128*1024*2) // file size of 128KB file
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#define HP48SIG "Emu48 Document\xFE" // HP48 state file signature
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UINT CheckType(char *lpszFileName)
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{
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BYTE pbyFileSignature[16];
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HANDLE hFile;
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DWORD FileSizeHigh,FileSizeLow;
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UINT nType = FT_ERR;
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hFile = CreateFile(lpszFileName,GENERIC_READ,0,NULL,OPEN_EXISTING,0,NULL);
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if (hFile == INVALID_HANDLE_VALUE)
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return FT_NEW;
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// check filesize
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FileSizeLow = GetFileSize(hFile,&FileSizeHigh);
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if (FileSizeHigh == 0 && FileSizeLow == PORT1SIZE)
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nType = FT_PORT;
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// Read and Compare signature
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ReadFile(hFile,pbyFileSignature,sizeof(pbyFileSignature),&FileSizeLow,NULL);
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if (FileSizeLow == sizeof(pbyFileSignature) && strcmp(pbyFileSignature,HP48SIG) == 0)
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nType = FT_SXGX;
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CloseHandle(hFile);
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return nType;
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}
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BOOL CopyData(HANDLE hFileSource,HANDLE hFileDest)
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{
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BYTE byBuffer[16];
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INT i;
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DWORD lBytes;
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assert(PORT1SIZE % sizeof(byBuffer) == 0);
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for (i = PORT1SIZE / sizeof(byBuffer); i > 0; --i)
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{
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ReadFile(hFileSource,byBuffer,sizeof(byBuffer),&lBytes,NULL);
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if (lBytes != sizeof(byBuffer)) return TRUE;
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WriteFile(hFileDest,byBuffer,sizeof(byBuffer),&lBytes,NULL);
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if (lBytes != sizeof(byBuffer)) return TRUE;
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}
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return FALSE;
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}
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UINT main(int argc, char *argv[])
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{
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HANDLE hFileSource,hFileDest;
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UINT nSourceType,nDestType;
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printf("HP48 Port1 Import/Export Tool for Emu48 V" VERSION "\n");
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if (argc != 3)
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{
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printf("\nUsage:\n\t%s <SourceFile> <DestinationFile>\n\n", argv[0]);
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return 1;
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}
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// check source file type
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nSourceType = CheckType(argv[1]);
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if (nSourceType == FT_ERR)
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{
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printf("Error: Illegal source file type\n");
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return 2;
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}
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// check destination file type
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nDestType = CheckType(argv[2]);
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if (nDestType == FT_ERR)
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{
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printf("Error: Illegal destination file type\n");
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return 3;
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}
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// open source file
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hFileSource = CreateFile(argv[1],GENERIC_READ,0,NULL,OPEN_EXISTING,0,NULL);
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if (hFileSource != INVALID_HANDLE_VALUE)
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{
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hFileDest = CreateFile(argv[2],GENERIC_READ|GENERIC_WRITE,0,NULL,OPEN_ALWAYS,0,NULL);
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if (hFileDest != INVALID_HANDLE_VALUE)
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{
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if (nSourceType == FT_SXGX) SetFilePointer(hFileSource,-PORT1SIZE,NULL,FILE_END);
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if (nDestType == FT_SXGX) SetFilePointer(hFileDest ,-PORT1SIZE,NULL,FILE_END);
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CopyData(hFileSource,hFileDest);
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puts("Copy successful.");
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CloseHandle(hFileDest);
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}
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else
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{
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printf("Error: Can't open destination file %s\n",argv[2]);
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return 4;
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}
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CloseHandle(hFileSource);
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}
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else
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{
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printf("Error: Can't open source file %s\n",argv[1]);
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return 5;
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}
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return 0;
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}
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