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dos kernel wip

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minjaesong
2020-10-29 11:52:31 +09:00
parent 5167bf1034
commit 219bc641cf
10 changed files with 105 additions and 79 deletions
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30
serialdev.txt
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@@ -55,9 +55,9 @@ Returns: none
Description: reads status of the device, if applicable
Returns:
0x06 <status code> <0x1F> <message string> 0x17
0x15 <status code> <0x1F> <message string> 0x17
Status Code is single byte number. Also see section 1.0
<status code> <0x1F> <message string> 0x17
Status Code is single byte number, negative numbers (or >= 128) is used for negative response by convention.
Also see section 1.0
2. Device-specific commands
@@ -69,7 +69,8 @@ Status Code is single byte number. Also see section 1.0
2.1.0 NOTE
comma-followed-by-drive-number can be omitted; drive number 1 will be substituted
- comma-followed-by-drive-number can be omitted; drive number 1 will be substituted
- drive number always starts at 1
2.1.1 File Control
@@ -108,23 +109,24 @@ Description: closes any file that is open.
LOAD"<path to file>",<drive number>
Description: loads an executable file for running. Will throw an error if the file is not executable.
Description: loads a file onto the main memory. The pointer to the file will be sent back to the host device.
CHTYPE,<file type>,<drive number>
Description: changes the file's file type (or its extension)
Description: changes the open file's file type (or its extension)
CHDIR"<path>"
LIST
Description: changes the working directory of the filesystem to given path. Disk with non-hierarchical filesystem should
ignore this command.
Description: lists contents of the open (with OPENR) directory in READABLE FORMAT
(no 0x17 at the end, terminates string with zero)
When a file is opened instead of a directory, its filename should be printed
Raw filesystem (e.g. EPROM) should return first 4096 bytes of its contents.
LIST,<drive number>
LIST"<path>",<drive number>
LISTFILES
Description: lists contents of the given directory in READABLE FORMAT (no 0x17 at the end, terminates string with zero)
If no path is given, current working directory will be used instead. Non-hierarchical system should ignore
PATH argument, and raw filesystem (e.g. EPROM) should return first 4096 bytes of its contents.
Description: same as the LIST, but in machine readable format, which follows the following format:
<file/dir type> <filename> [<0x1E for separator> <file/dir type> <filename> ...] <0x17>
file/dir type: 0x11 for file, 0x12 for directory
USAGE,<drive number>