174 lines
6.6 KiB
Markdown
174 lines
6.6 KiB
Markdown
# Pi1541 supported IEC commands in browser mode.
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inspired by sd2iec [https://www.sd2iec.de](https://www.sd2iec.de)
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Introduction:
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=============
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Supported commands:
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===================
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- General notes:
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Any command not listed below is currently not supported.
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- Directory filters:
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To show only directories, both =B (CMD-compatible) and =D can be used.
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On a real Commodore drive D matches everything.
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To include hidden files in the directory, use *=H - on a 1541 this doesn't
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do anything. sd2iec marks hidden files with an H after the lock mark,
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i.e. "PRG<H" or "PRG H".
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CMD-style "short" and "long" directory listings with timestamps are supported
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("$=T"), including timestamp filters. Please read a CMD manual for the syntax
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until this file is updated.
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- Partition directory:
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Partitions ARE NOT SUPPORTED by Pi1541.
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- CD/MD/RD:
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Subdirectory access is compatible to the syntax used by the CMD drives,
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although drive/partition numbers are completely ignored.
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Quick syntax overview:
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CD:_ changes into the parent dir (_ is the left arrow on the C64)
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CD_ dito
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CD:foo changes into foo
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CD/foo dito
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CD//foo changes into \foo
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CD/foo/:bar changes into foo\bar
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CD/foo/bar dito
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You can use wildcards anywhere in the path. To change into an M2I or D64
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image the image file must be the last component in the path, either
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after a slash or a colon character.
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MD uses a syntax similiar to CD and will create the directory listed
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after the colon (:) relative to any directory listed before it.
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MD/foo/:bar creates bar in foo
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MD//foo/:bar creates bar in \foo
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RD can only remove subdirectories of the current directory.
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RD:foo deletes foo
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CD is also used to mount/unmount image files. Just change into them
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as if they were a directory and use CD:_ (left arrow on the C64) to leave.
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Please note that image files are detected by file extension and file size
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and there is no reliable way to see if a file is a valid image file.
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- CP, C<Shift-P>
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Partitions ARE NOT SUPPORTED by Pi1541.
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- C:
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File copy command, should be CMD compatible. The syntax is
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C[partition][path]:targetname=[[partition][path]:]sourcename[,[[p][p]:]sourcename...]
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You can use this command to copy multiple files into a single target
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file in which case all source files will be appended into the target
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file. Parsing restarts for every source file name which means that
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every source name is assumed to be relative to the current directory.
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You can use wildcards in the source names, but only the first
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file matching will be copied.
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Copying REL files should work, but isn't tested well. Mixing REL and
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non-REL files in an append operation isn't supported.
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- DI, DR, DW
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Direct sector access IS NOT SUPPORTED by Pi1541.
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- G-P
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Partitions ARE NOT SUPPORTED by Pi1541.
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- P
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Positioning doesn't just work for REL files but also for regular
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files on a FAT partition. When used for regular files the format
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is "P"+chr$(channel)+chr$(lo)+chr$(midlo)+chr$(midhi)+chr$(hi)
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which will seek to the 0-based offset hi*2^24+midhi*65536+256*midlo+lo
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in the file. If you send less than four bytes for the offset, the
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missing bytes are assumed to be zero.
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- N:
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Format works by automatically creating a new D64 image.
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- R
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Renaming files should work the same as it does on CMD drives, although
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the errors flagged for invalid characters in the name may differ.
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- S:
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Name matching is fully supported, directories are ignored.
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Scratching of multiple files separated by , is also supported with no
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limit to the number of files except for the maximum command line length
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(usually 100 to 120 characters).
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- T-R and T-W
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If your hardware features RTC support the commands T-R (time read) and T-W
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(time write) are available. If the RTC isn't present, both commands return
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30,SYNTAX ERROR,00,00; if the RTC is present but not set correctly T-R will
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return 31,SYNTAX ERROR,00,00.
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Both commands expect a fourth character that specifies the time format
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to be used. T-W expects that the new time follows that character
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with no space or other characters inbetween. For the A, B and D
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formats, the expected input format is exactly the same as returned
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by T-R with the same format character; for the I format the day of
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week is ignored and calculated based on the date instead.
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The possible formats are:
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- "A"SCII: "SUN. 01/20/08 01:23:45 PM"+CHR$(13)
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The day-of-week string can be any of "SUN.", "MON.", "TUES", "WED.",
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"THUR", "FRI.", "SAT.". The year field is modulo 100.
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- "B"CD or "D"ecimal:
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Both these formats use 9 bytes to specify the time. For BCD everything
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is BCD-encoded, for Decimal the numbers are sent/parsed as-is.
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Byte 0: Day of the week (0 for sunday)
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1: Year (modulo 100 for BCD; -1900 for Decimal, i.e. 108 for 2008)
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2: Month (1-based)
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3: Day (1-based)
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4: Hour (1-12)
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5: Minute (0-59)
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6: Second (0-59)
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7: AM/PM-Flag (0 is AM, everything else is PM)
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8: CHR$(13)
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When the time is set a year less than 80 is interpreted as 20xx.
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- "I"SO 8601 subset: "2008-01-20T13:23:45 SUN"+CHR$(13)
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This format complies with ISO 8601 and adds a day of week
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abbreviation using the same table as the A format, but omitting
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the fourth character. When it is used with T-W, anything beyond
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the seconds field is ignored and the day of week is calculated
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based on the specified date. The year must always be specified
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including the century if this format is used to set the time.
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To save space, sd2iec only accepts this particular date/time
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representation when setting the time with T-WI and no other ISo
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8601-compliant representation.
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- U0
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Device address changing with "U0>"+chr$(new address) is supported,
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other U0 commands are currently not implemented.
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- U1/U2/B-R/B-W
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Block reading and writing is NOT SUPPORTED by Pi1541 in browser mode.
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- B-P
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NOT SUPPORTED by Pi1541 in browser mode.
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- UI+/UI-
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Switching the slightly faster bus protocol for the VC20 on and off works,
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it hasn't been tested much though.
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- UI/UJ
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Soft/Hard reset - UI just sets the "73,..." message on the error channel,
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UJ closes all active buffers but doesn't reset the current directory,
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mounted image, swap list or anything else.
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- U<Shift-J>
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Real hard reset - this command causes a restart of the Raspberry Pi processor
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<Shift-J> is character code 202.
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- X: Extended commands.
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Extended commands are NOT SUPPORTED by Pi1541 in browser mode.
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- M-R, M-W, M-E
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Memory read, write and execute are NOT SUPPORTED by Pi1541 in browser mode.
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