Apple-2-Tools/apple2_prodos_utils
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Add init command to over-ride boot sector 1 via -sector1=#

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michaelangel007
2025-02-25 04:14:58 -08:00
parent 1489ffe543
commit 261a8cbaf3
2 changed files with 37 additions and 26 deletions
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21
prodos.cpp
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@@ -8,6 +8,7 @@
#define DEBUG_MAIN 0
#include <assert.h> // assert()
#include <stdio.h> // printf()
#include <stdint.h> // uint8_t
#include <sys/stat.h> // stat
@@ -15,6 +16,9 @@
#include <string.h> // memcpy()
#include <time.h> // time() localtime()
bool gbVerbose = false;
const char *HEX_TO_ASCII = "0123456789ABCDEF";
int gnBootSector1 = 0;
#include "itoa.comma.h"
#include "string.utils.cpp"
@@ -809,6 +813,18 @@ int main( const int nArg, const char *aArg[] )
pBootSectorFileName = pArg + 6;
}
else
if( strncmp( pArg+1,"sector1=",8) == 0)
{
char cSector = pArg[9];
if ((cSector >= '0') && (cSector <= '9'))
gnBootSector1 = (cSector - '0');
if ((cSector >= 'a') && (cSector <= 'f'))
gnBootSector1 = 10 + (cSector - 'a');
if ((cSector >= 'A') && (cSector <= 'F'))
gnBootSector1 = 10 + (cSector - 'A');
printf( "Using custom boot sector 1 as T0S%c\n", HEX_TO_ASCII[ gnBootSector1 ] );
}
else
if( strncmp( pArg+1,"size=", 5 ) == 0 )
{
int size = atoi( pArg + 6 );
@@ -840,6 +856,11 @@ int main( const int nArg, const char *aArg[] )
gnDskSize = DSK_SIZE_312;
}
}
else
if( strncmp( pArg+1, "v", 1 )== 0 )
{
gbVerbose = true;
}
else
return printf( "ERROR: Unknown option: %s\n", pArg );
}

42
prodos.tools.cpp
View File

@@ -1626,18 +1626,26 @@ bool ProDOS_ReplaceBootSector( const char *pBootSectorFileName )
size_t size = File_Size( pSrcFile );
const size_t BLOCK_0_BEG = 0x0*DSK_SECTOR_SIZE;
const size_t BLOCK_0_END = 0x1*DSK_SECTOR_SIZE;
assert(giInterleaveLastUsed != INTERLEAVE_AUTO_DETECT);
const bool bDOS33Order = (giInterleaveLastUsed == INTERLEAVE_DOS33_ORDER);
const size_t BLOCK_0A_SECTOR = 0x0;
const size_t BLOCK_0B_SECTOR = gnBootSector1
? gnBootSector1
: bDOS33Order
? 0x8
: 0x1;
const size_t BLOCK_0A_START = BLOCK_0A_SECTOR * DSK_SECTOR_SIZE;
const size_t BLOCK_0B_START = BLOCK_0B_SECTOR * DSK_SECTOR_SIZE;
memset( &gaDsk[ BLOCK_0_BEG ], 0, 256 ); // Block 0 Beg = T0S0
memset( &gaDsk[ BLOCK_0_END ], 0, 256 ); // Block 0 End = T0SE
memset( &gaDsk[ BLOCK_0A_START ], 0, 256 ); // Block 0 Beg = T0S0
memset( &gaDsk[ BLOCK_0B_START ], 0, 256 ); // Block 0 End = T0SE
if( size < 512 )
printf( "INFO.: Boot sector < 512 bytes. Padding boot sector with zeroes.\n" );
printf( "INFO.: Boot sector %zu < 512 bytes. Padding boot sector with zeroes.\n", size );
if( size > 512 )
{
printf( "WARNING: Boot sector > 512 bytes. Truncating to first 512 bytes.\n" );
printf( "WARNING: Boot sector %zu > 512 bytes. Truncating to first 512 bytes.\n", size );
size = 512;
}
@@ -1649,26 +1657,8 @@ bool ProDOS_ReplaceBootSector( const char *pBootSectorFileName )
printf( "suffix: $%02X (#%3d)\n", (int) prefix & 0xFF, (int) suffix );
#endif
if( prefix ) fread( &gaDsk[ BLOCK_0_BEG ], 1, prefix, pSrcFile );
if( suffix ) fread( &gaDsk[ BLOCK_0_END ], 1, suffix, pSrcFile );
#if 0
if (size <= 256)
{
fread( &gaDsk[ BLOCK_0_BEG ], 1, size, pSrcFile );
}
else
{
// First 256 bytes to T0S0
fread( &gaDsk[ BLOCK_0_BEG ], 1, 256, pSrcFile );
// Second 256 bytes to T0SE
if( size < 512 )
fread( &gaDsk[ BLOCK_0_END ], 1, size, pSrcFile );
else
fread( &gaDsk[ BLOCK_0_END ], 1, 512, pSrcFile );
}
#endif
if( prefix ) { size_t nRead = fread( &gaDsk[ BLOCK_0A_START ], 1, prefix, pSrcFile ); printf( "Wrote %3zu bytes T0S0\n" , nRead ); }
if( suffix ) { size_t nRead = fread( &gaDsk[ BLOCK_0B_START ], 1, suffix, pSrcFile ); printf( "wrote %3zu bytes T0S%c\n", nRead, HEX_TO_ASCII[ BLOCK_0B_SECTOR ] ); }
fclose( pSrcFile );