| Function |
Version |
Notes |
| 0306h |
0.1 |
OPEN - Open file
| Args: |
RF = Pointer to pathname
RD = Pointer to file descriptor, DTA must be pre-filled
R7 = Flags
| |
1 |
Create if file does not exist |
| |
2 |
Truncate file on open |
| |
4 |
Open for append (moves pointer to eof) |
|
| Args: |
RD = File descriptor |
| Returns: |
DF=0 - Success
RD - File descriptor
DF=1 - Error
D - Error Code |
|
| 0312h |
0.1 |
CLOSE - Close file
| Args: |
RD = File descriptor |
| Returns: |
DF=0 - Success
DF=1 - Error
D - Error Code |
|
| 030Ch |
0.1 |
WRITE - Write to file
| Args: |
RD = File descriptor
RF = Pointer to bytes to write
RC = Count of bytes to write |
| Returns: |
RC = Count of bytes written
DF=0 - Success
DF=1 - Error
D - Error Code |
|
| 0309h |
0.1 |
READ - Read from file
| Args: |
RD = File descriptor
RF = Pointer to buffer
RC = Count of bytes to read |
| Returns: |
RC = Count of bytes read
DF=0 - Success
DF=1 - Error
D - Error Code |
|
| 030Fh |
0.1 |
SEEK - Change file position
| Args: |
R8 = High word of seek address
R7 = Low word of seek address
RD = File descriptor
RC = Seek from:
| 0 |
Beginning of file |
| 1 |
Current position |
| 2 |
End of file |
|
| Returns: |
R8 = High word of current file pointer
R7 = Low word of current file pointer
DF=0 - Success
DF=1 - Error
D - Error Code |
|
| 031Bh |
0.1 |
RENAME - Rename a file
| Args: |
RF = Source filename
RC = Destination filename |
| Returns: |
DF=0 - Success
DF=1 - Error
D - Error Code |
|
| 0318h |
0.1 |
DELETE - Delete a file
| Args: |
RF = Filename
|
| Returns: |
DF=0 - Success
DF=1 - Error
D - Error Code |
|
| 031Eh |
0.1 |
EXEC - Execute a program
| Args: |
RF = Command line
|
| Returns: |
DF=0 - Success
DF=1 - Error
D - Error Code |
|
| 0315h |
0.1 |
OPENDIR - Open directory for reading
| Args: |
RF = Pathname
|
| Returns: |
RD - File descriptor
DF=0 - Success
DF=1 - Error
D - Error Code |
|
| 0321h |
0.2 |
MKDIR - Make directory
| Args: |
RF = Pathname
|
| Returns: |
DF=0 - Success
DF=1 - Error
D - Error Code |
|
| 0324h |
0.2 |
CHDIR - Change/Show current directory
| Args: |
RF = Pathname or
buffer to place current path
|
| Returns: |
DF=0 - Success
DF=1 - Error
D - Error Code |
|
| 0327h |
0.2 |
RMDIR - Remove directory (must be empty)
| Args: |
RF = Pathname
|
| Returns: |
DF=0 - Success
DF=1 - Error
D - Error Code |
|