emu48-mirror/Sources/Mke48/MKE48.C

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2024-03-19 22:37:03 +01:00
/*
* T48G, (c) 2000 Christoph Giesselink (cgiess@swol.de)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
*/
#define WIN32_LEAN_AND_MEAN
#define WIN32_EXTRA_LEAN
#include <windows.h>
#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <assert.h>
#include "types.h"
#define VERSION "1.0"
#define _KB(n) (n*1024*2) // KB emulator block
#define HP48SIG "Emu48 Document\xFE" // HP49 state file signature
VOID MakeTemplate(FILE *hFile,BYTE type,DWORD Port0Size,DWORD Port1Size)
{
CHIPSET Chipset;
DWORD dwBytesWritten;
UINT nVar;
BYTE byZ;
// file signature
WriteFile(hFile,HP48SIG,sizeof(HP48SIG),&dwBytesWritten,NULL);
assert(dwBytesWritten == sizeof(HP48SIG));
// KML filename length
nVar = 0; // no name
WriteFile(hFile,&nVar,sizeof(nVar),&dwBytesWritten,NULL);
assert(dwBytesWritten == sizeof(nVar));
// KML filename
// Chipset Size
nVar = sizeof(Chipset); // length, no name
WriteFile(hFile,&nVar,sizeof(nVar),&dwBytesWritten,NULL);
assert(dwBytesWritten == sizeof(nVar));
// Chipset
ZeroMemory(&Chipset,sizeof(Chipset));
Chipset.type = type;
Chipset.Port0Size = Port0Size;
Chipset.Port1Size = Port1Size;
Chipset.Port2Size = 0;
Chipset.cards_status = 0x0;
WriteFile(hFile,&Chipset,sizeof(Chipset),&dwBytesWritten,NULL);
assert(dwBytesWritten == sizeof(Chipset));
byZ = 0; // fill with zero nibble
// write port0 memory content
for (nVar = 0; nVar < _KB(Chipset.Port0Size); ++nVar)
{
WriteFile(hFile,&byZ,1,&dwBytesWritten,NULL);
assert(dwBytesWritten == 1);
}
// write port1 memory content
for (nVar = 0; nVar < _KB(Chipset.Port1Size); ++nVar)
{
WriteFile(hFile,&byZ,1,&dwBytesWritten,NULL);
assert(dwBytesWritten == 1);
}
return;
}
UINT main(int argc, char *argv[])
{
HANDLE hFile;
BYTE type;
DWORD Port0Size;
DWORD Port1Size;
printf("HP48 State File Template for Emu48 V" VERSION "\n");
if (argc != 5 || (*argv[2] != 'S' && *argv[2] != 'G'))
{
printf("\nUsage:\n\t%s <E48-File> <Model[S|G]> <Port0-Size> <Port1-Size>\n\n", argv[0]);
return 1;
}
type = *argv[2];
Port0Size = atoi(argv[3]);
Port1Size = atoi(argv[4]);
hFile = CreateFile(argv[1],GENERIC_WRITE,0,NULL,CREATE_ALWAYS,0,NULL);
if (hFile != INVALID_HANDLE_VALUE)
{
// write template
MakeTemplate(hFile,type,Port0Size,Port1Size);
puts("Generation successful.");
CloseHandle(hFile);
}
else
{
printf("Cannot open file %s.\n", argv[1]);
return TRUE;
}
return FALSE;
}