Apple-2-Tools/apple2_prodos_utils
1
0 Fork 0
mirror of https://github.com/Michaelangel007/apple2_prodos_utils.git synced 2026-10-22 00:02:22 +00:00
Code Issues Projects Releases Wiki Activity

Move ProDOS types to separate file

Browse Source
This commit is contained in:
michaelangel007 committed 2025-02-08 17:30:45 -08:00
1 parent fa06edec3a
commit 944f25598a
2 files changed
+113 -18
Download Patch File Download Diff File Expand all files Collapse all files

No files matched your search

prodos.types.h
+112
View File
@@ -0,0 +1,112 @@
// Access _________________________________________________________________
const size_t PRODOS_BLOCK_SIZE = 0x200; // 512 bytes/block
const size_t PRODOS_ROOT_BLOCK = 2;
const int PRODOS_ROOT_OFFSET = PRODOS_ROOT_BLOCK * PRODOS_BLOCK_SIZE;
const int PRODOS_MAX_FILENAME = 15;
const int PRODOS_MAX_PATH = 64; // TODO: Verify
const uint8_t ACCESS_D = 0x80; // Can destroy
const uint8_t ACCESS_N = 0x40; // Can rename
const uint8_t ACCESS_B = 0x20; // Can backup
const uint8_t ACCESS_Z4= 0x10; // not used - must be zero?
const uint8_t ACCESS_Z3= 0x08; // not used - must be zero?
const uint8_t ACCESS_I = 0x04; // invisible
const uint8_t ACCESS_W = 0x02; // Can write
const uint8_t ACCESS_R = 0x01; // Can read
enum ProDOS_Kind_e
{
ProDOS_KIND_DEL = 0x0, // Deleted file or unused
ProDOS_KIND_SEED = 0x1, // Single Block
ProDOS_KIND_SAPL = 0x2, // 1st Block is allocated blocks
ProDOS_KIND_TREE = 0x3, // Multiple meta blocks
ProDOS_KIND_PAS = 0x4, // http://www.1000bit.it/support/manuali/apple/technotes/pdos/tn.pdos.25.html
ProDOS_KIND_GSOS = 0x5, // http://www.1000bit.it/support/manuali/apple/technotes/pdos/tn.pdos.25.html
ProDOS_KIND_DIR = 0xD, // parent block entry for sub-directory
ProDOS_KIND_SUB = 0xE, // subdir header entry to find parent directory; meta to reach parent
ProDOS_KIND_ROOT = 0xF, // volume header entry for root directory
NUM_PRODOS_KIND = 16
};
// --- ProDOS Structs ---
struct ProDOS_SubDirInfo_t
{
uint8_t res75 ; // $75 - magic number
uint8_t pad7[7];
};
struct ProDOS_VolumeExtra_t
{
uint16_t bitmap_block;
uint16_t total_blocks;
};
struct ProDOS_SubDirExtra_t
{
uint16_t parent_block;
uint8_t parent_entry_num;
uint8_t parent_entry_len;
};
// ============================================================
// Due to default compiler packing/alignment this may NOT be byte-size identical on disk but it is in the correct order.
// NOTE: This does NOT need to be packed/aligned since fields are read/written on a per entry basis.
// See: ProDOS_GetVolumeHeader;
struct ProDOS_VolumeHeader_t
{ ; //Rel Size Abs
uint8_t kind ; // +0 1 $04 \ Hi nibble Storage Type
uint8_t len ; // +0 / Lo nibble
char name[ 16 ] ; // +1 15 $05 15 on disk but we NULL terminate for convenience
// --- diff from file ---
union
{
uint8_t pad8[8]; //+16 8 $14 only in root
ProDOS_SubDirInfo_t info ; // only in sub-dir
} ;
// --- same as file ---
uint16_t date ; //+24 2 $1C
uint16_t time ; //+26 2 $1E
uint8_t cur_ver ; //+28 1 $20
uint8_t min_ver ; //+29 1 $21
uint8_t access ; //+30 1 $22
uint8_t entry_len ; //+31 1 $23 Size of each directory entry in bytes
uint8_t entry_num ; //+32 1 $24 Number of directory entries per block
uint16_t file_count ; //+33 2 $25 Active entries including directories, excludes volume header
union // --
{ // --
ProDOS_VolumeExtra_t meta ; //+34 2 $27
ProDOS_SubDirExtra_t subdir ; //+36 2 $29
} ; //============
} ; // 38 $2B
// ============================================================
// Due to default compiler packing/alignment this may NOT be byte-size identical on disk but it is in the correct order.
// NOTE: This does NOT need to be packed/aligned since fields are read/written on a per entry basis.
struct ProDOS_FileHeader_t
{ ; //Rel Size Hex
uint8_t kind ; // +0 1 $00 \ Hi nibble Storage Type
uint8_t len ; // +0 / Lo nibble Filename Length
char name[ 16 ] ; // +1 15 $05 15 on disk but we NULL terminate for convenience
// --- diff from volume ---
uint8_t type ; //+16 1 $10 User Type
uint16_t inode ; //+17 2 $11
uint16_t blocks ; //+19 2 $13
uint32_t size ; //+21 3 $15 EOF address - on disk is 3 bytes, but 32-bit for convenience
// --- same as volume ---
uint16_t date ; //+24 2 $18
uint16_t time ; //+26 2 $1A
uint8_t cur_ver ; //+28 1 $1C
uint8_t min_ver ; //+29 1 $1D // 0 = ProDOS 1.0
uint8_t access ; //+30 1 $1E
// --- diff from subdir
uint16_t aux ; //+31 2 $1F Load Address for Binary
// --- diff from volume ---
uint16_t mod_date ; //+33 2 $21
uint16_t mod_time ; //+35 2 $23
uint16_t dir_block ; //+37 2 $25 pointer to directory block
; //============
}; ; // 39 $27
prodos.utils.cpp
+1 -18
View File
@@ -1,21 +1,4 @@
// Access _________________________________________________________________
const size_t PRODOS_BLOCK_SIZE = 0x200; // 512 bytes/block
const size_t PRODOS_ROOT_BLOCK = 2;
const int PRODOS_ROOT_OFFSET = PRODOS_ROOT_BLOCK * PRODOS_BLOCK_SIZE;
const int PRODOS_MAX_FILENAME = 15;
const int PRODOS_MAX_PATH = 64; // TODO: Verify
const uint8_t ACCESS_D = 0x80; // Can destroy
const uint8_t ACCESS_N = 0x40; // Can rename
const uint8_t ACCESS_B = 0x20; // Can backup
const uint8_t ACCESS_Z4= 0x10; // not used - must be zero?
const uint8_t ACCESS_Z3= 0x08;
const uint8_t ACCESS_I = 0x04; // invisible
const uint8_t ACCESS_W = 0x02; // Can write
const uint8_t ACCESS_R = 0x01; // Can read
// ------------------------------------------------------------
void prodos_AccessToString( uint8_t access, char *text_ )
#if 0
{ // 76543210