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Add disk.Filetype, and move notes.org to lib
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Zellyn Hunter
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@ -1,22 +0,0 @@
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** Program location
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Defaults to $801 for ROM-based Applesoft. Locations $67/$68 point to
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the start of the program, and the byte preceding it must be #0.
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Details:
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- http://www.atarimagazines.com/compute/issue11/36_1_THE_APPLE_GAZETTE_RESOLVING_APPLESOFT_AND_HIRES_GRAPHICS_MEMORY_CONFLICTS.php
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- http://retrocomputing.stackexchange.com/questions/1604
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** Format
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DOS stores an additional byte on the end, which should be ignored.
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** Parsing
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See PARSE.INPUT.LINE at
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http://www.txbobsc.com/scsc/scdocumentor/D52C.html
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"AT" is ambiguous: it could also be "ATN" or "A TO". Applesoft checks
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by seeing if the character directly after "AT" is "N" OR "O", and
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forcing a non-match with "AT" if so. Note that this doesn't skip
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blanks.
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Data statements and REM statements seem to leave characters completely
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intact (including storing the space, if any, after the "REM" or "DATA"
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keyword).
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@ -13,12 +13,62 @@ import (
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"strings"
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)
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// Filetype describes the type of a file. It's byte-compatible with
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// the ProDOS/SOS filetype byte definitions in the range 00-FF.
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type Filetype int
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const (
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FiletypeTypeless Filetype = 0x00 // | both | Typeless file
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FiletypeBadBlocks Filetype = 0x01 // | both | Bad blocks file
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FiletypeSOSPascalCode Filetype = 0x02 // | SOS | PASCAL code file
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FiletypeSOSPascalText Filetype = 0x03 // | SOS | PASCAL text file
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FiletypeASCIIText Filetype = 0x04 // TXT | both | ASCII text fil
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FiletypeSOSPascalText2 Filetype = 0x05 // | SOS | PASCAL text file
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FiletypeBinary Filetype = 0x06 // BIN | both | Binary file
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FiletypeFont Filetype = 0x07 // | SOS | Font file
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FiletypeGraphicsScreen Filetype = 0x08 // | SOS | Graphics screen file
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FiletypeBusinessBASIC Filetype = 0x09 // | SOS | Business BASIC program file
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FiletypeBusinessBASICData Filetype = 0x0A // | SOS | Business BASIC data file
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FiletypeSOSWordProcessor Filetype = 0x0B // | SOS | Word processor file
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FiletypeSOSSystem Filetype = 0x0C // | SOS | SOS system file
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FiletypeDirectory Filetype = 0x0F // DIR | both | Directory file
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FiletypeRPSData Filetype = 0x10 // | SOS | RPS data file
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FiletypeRPSIndex Filetype = 0x11 // | SOS | RPS index file
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FiletypeAppleWorksDatabase Filetype = 0x19 // ADB | ProDOS | AppleWorks data base file
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FiletypeAppleWorksWordProcessor Filetype = 0x1A // AWP | ProDOS | AppleWorks word processing file
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FiletypeAppleWorksSpreadsheet Filetype = 0x1B // ASP | ProDOS | AppleWorks spreadsheet file
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FiletypePascal Filetype = 0xEF // PAS | ProDOS | ProDOS PASCAL file
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FiletypeCommand Filetype = 0xF0 // CMD | ProDOS | Added command file
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FiletypeUserDefinedF1 Filetype = 0xF1 // | ProDOS | ProDOS user defined file types
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FiletypeUserDefinedF2 Filetype = 0xF2 // | ProDOS | ProDOS user defined file types
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FiletypeUserDefinedF3 Filetype = 0xF3 // | ProDOS | ProDOS user defined file types
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FiletypeUserDefinedF4 Filetype = 0xF4 // | ProDOS | ProDOS user defined file types
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FiletypeUserDefinedF5 Filetype = 0xF5 // | ProDOS | ProDOS user defined file types
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FiletypeUserDefinedF6 Filetype = 0xF6 // | ProDOS | ProDOS user defined file types
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FiletypeUserDefinedF7 Filetype = 0xF7 // | ProDOS | ProDOS user defined file types
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FiletypeUserDefinedF8 Filetype = 0xF8 // | ProDOS | ProDOS user defined file types
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FiletypeIntegerBASIC Filetype = 0xFA // INT | ProDOS | Integer BASIC program file
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FiletypeIntegerBASICVariables Filetype = 0xFB // IVR | ProDOS | Integer BASIC variables file
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FiletypeApplesoftBASIC Filetype = 0xFC // BAS | ProDOS | Applesoft BASIC program file
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FiletypeApplesoftBASICVariables Filetype = 0xFD // VAR | ProDOS | Applesoft BASIC variables file
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FiletypeRelocatable Filetype = 0xFE // REL | ProDOS | EDASM relocatable object module file
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FiletypeSystem Filetype = 0xFF // SYS | ProDOS | System file
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FiletypeS Filetype = 0x100 // DOS 3.3 Type "S"
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FiletypeA Filetype = 0x101 // DOS 3.3 Type "A"
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FiletypeB Filetype = 0x102 // DOS 3.3 Type "B"
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// | 0D-0E | SOS | SOS reserved for future use
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// | 12-18 | SOS | SOS reserved for future use
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// | 1C-BF | SOS | SOS reserved for future use
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// | C0-EE | ProDOS | ProDOS reserved for future use
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)
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// Descriptor describes a file's characteristics.
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type Descriptor struct {
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Name string
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Sectors int
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Length int
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Locked bool
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Type Filetype
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}
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// Operator is the interface that can operate on disks.
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@ -249,21 +249,22 @@ func (cs *CatalogSector) FromSector(data []byte) error {
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return nil
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}
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// Filetype is the type for dos 3.3 filetype+locked status byte.
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type Filetype byte
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const (
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// Hex 80+file type - file is locked
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// Hex 00+file type - file is not locked
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// Hex 80+file type - file is locked,
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// Hex 00+file type - file is not locked.
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FiletypeLocked Filetype = 0x80
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FileTypeText Filetype = 0x00 // Text file
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FileTypeInteger Filetype = 0x01 // INTEGER BASIC file
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FileTypeApplesoft Filetype = 0x02 // APPLESOFT BASIC file
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FileTypeBinary Filetype = 0x04 // BINARY file
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FileTypeS Filetype = 0x08 // S type file
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FileTypeRelocatable Filetype = 0x10 // RELOCATABLE object module file
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FileTypeA Filetype = 0x20 // A type file
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FileTypeB Filetype = 0x40 // B type file
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FiletypeText Filetype = 0x00 // Text file
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FiletypeInteger Filetype = 0x01 // INTEGER BASIC file
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FiletypeApplesoft Filetype = 0x02 // APPLESOFT BASIC file
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FiletypeBinary Filetype = 0x04 // BINARY file
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FiletypeS Filetype = 0x08 // S type file
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FiletypeRelocatable Filetype = 0x10 // RELOCATABLE object module file
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FiletypeA Filetype = 0x20 // A type file
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FiletypeB Filetype = 0x40 // B type file
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)
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type FileDescStatus int
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57
lib/notes.org
Normal file
57
lib/notes.org
Normal file
@ -0,0 +1,57 @@
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** Program location
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Defaults to $801 for ROM-based Applesoft. Locations $67/$68 point to
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the start of the program, and the byte preceding it must be #0.
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Details:
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- http://www.atarimagazines.com/compute/issue11/36_1_THE_APPLE_GAZETTE_RESOLVING_APPLESOFT_AND_HIRES_GRAPHICS_MEMORY_CONFLICTS.php
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- http://retrocomputing.stackexchange.com/questions/1604
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** Format
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DOS stores an additional byte on the end, which should be ignored.
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** Parsing
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See PARSE.INPUT.LINE at
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http://www.txbobsc.com/scsc/scdocumentor/D52C.html
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"AT" is ambiguous: it could also be "ATN" or "A TO". Applesoft checks
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by seeing if the character directly after "AT" is "N" OR "O", and
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forcing a non-match with "AT" if so. Note that this doesn't skip
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blanks.
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Data statements and REM statements seem to leave characters completely
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intact (including storing the space, if any, after the "REM" or "DATA"
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keyword).
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** ProDOS and SOS File Types
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Beneath Apple ProDOS Table E.1
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| 00 | | both | Typeless file |
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| 01 | | both | Bad blocks file |
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| 02 | | SOS | PASCAL code file |
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| 03 | | SOS | PASCAL text file |
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| 04 | TXT | both | ASCII text fil |
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| 05 | | SOS | PASCAL text file |
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| 06 | BIN | both | Binary file |
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| 07 | | SOS | Font file |
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| 08 | | SOS | Graphics screen file |
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| 09 | | SOS | Business BASIC program file |
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| 0A | | SOS | Business BASIC data file |
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| 0B | | SOS | Word processor file |
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| 0C | | SOS | SOS system file |
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| 0D-0E | | SOS | SOS reserved for future use |
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| 0F | DIR | both | Directory file |
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| 10 | | SOS | RPS data file |
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| 11 | | SOS | RPS index file |
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| 12-18 | | SOS | SOS reserved for future use |
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| 19 | ADB | ProDOS | AppleWorks data base file |
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| 1A | AWP | ProDOS | AppleWorks word processing file |
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| 1B | ASP | ProDOS | AppleWorks spreadsheet file |
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| 1C-BF | | SOS | SOS reserved for future use |
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| C0-EE | | ProDOS | ProDOS reserved for future use |
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| EF | PAS | ProDOS | ProDOS PASCAL file |
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| F0 | CMD | ProDOS | Added command file |
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| F1-F8 | | ProDOS | ProDOS user defined file types |
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| FA | INT | ProDOS | Integer BASIC program file |
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| FB | IVR | ProDOS | Integer BASIC variables file |
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| FC | BAS | ProDOS | Applesoft BASIC program file |
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| FD | VAR | ProDOS | Applesoft BASIC variables file |
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| FE | REL | ProDOS | EDASM relocatable object module file |
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| FF | SYS | ProDOS | System file |
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