Apple-2-Tools
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apple2_prodos_utils
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Cleanup hard-coded consts replace with PRODOS_ROOT_OFFSET

This commit is contained in:
Michaelangel007 2017-11-07 07:46:20 -08:00
parent 929fee853a
commit ea38c4f782
1 changed files with 9 additions and 5 deletions
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14
prodos.tools.cpp
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@ -72,7 +72,7 @@
void prodos_GetVolumeHeader( ProDOS_VolumeHeader_t *meta_, int block )
{
int base = block*PRODOS_BLOCK_SIZE + 4; // skip prev/next dir block double linked list
int base = block*PRODOS_BLOCK_SIZE + 4; // skip prev/next dir block double linked list
ProDOS_VolumeHeader_t info;
info.kind = (gaDsk [ base + 0 ] >> 4) & 0xF;
@ -460,8 +460,12 @@ int prodos_DirGetFirstFree( ProDOS_VolumeHeader_t *volume, int base )
// @return 0 if couldn't find file, else offset
// Sets:
// gtLastDirFile
// gnLastDirBlock
// gnLastDirMaxFiles
// ------------------------------------------------------------------------
int prodos_FindFile( ProDOS_VolumeHeader_t *volume, const char *path, int base = 0x400 )
int prodos_FindFile( ProDOS_VolumeHeader_t *volume, const char *path, int base = PRODOS_ROOT_OFFSET )
{
if( !path )
return base;
@ -572,7 +576,7 @@ next_file:
// ------------------------------------------------------------------------
int prodos_BlockGetPath( const char *path )
{
int offset = PRODOS_ROOT_BLOCK*PRODOS_BLOCK_SIZE; // Block 2 * 0x200 Bytes/Block = 0x400 abs offset
int offset = PRODOS_ROOT_OFFSET; // Block 2 * 0x200 Bytes/Block = 0x400 abs offset
// Scan Directory ...
strcpy( gpLastDirName, gVolume.name );
@ -679,12 +683,12 @@ bool ProDOS_GetVolumeName( char *pVolume_ )
{
bool bValid = false;
int vol_length = gaDsk[ 0x404 ] & 0xF;
int vol_length = gaDsk[ PRODOS_ROOT_OFFSET + 4 ] & 0xF;
if( vol_length < 16 )
{
for( int i = 0; i < vol_length; i++ )
*pVolume_++ = gaDsk[ 0x405 + i ];
*pVolume_++ = gaDsk[ PRODOS_ROOT_OFFSET + 5 + i ];
}
*pVolume_ = 0;