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Diffstat (limited to 'doc/comboot.txt')
| -rw-r--r-- | doc/comboot.txt | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/doc/comboot.txt b/doc/comboot.txt index 53295020..387303d3 100644 --- a/doc/comboot.txt +++ b/doc/comboot.txt @@ -921,3 +921,46 @@ AX=001Eh [3.74] Keyboard remapping table version, the format code is always 1 and the length is always 256. This version can be updated simply by overwriting the version in memory; this may not be true in the future. + + +AX=001Fh [BETA-3.74+] Get current working directory + Input: AX 0001Eh + Output: ES:BX null-terminated directory name string + + Returns the current working directory. For SYSLINUX, ISOLINUX, + and PXELINUX, this will be an absolute path. For EXTLINUX, it + currently returns "./". + + +AX=0020h [BETA-3.74+] Open directory + Input: AX 001Fh + ES:SI /-null-terminated directory name + Output: SI directory handle + EAX clobbered + + Open a directory for reading. Directory name must have a trailing + "/" before the null (otherwise, you're looking for a file)(This + may change as this is a BETA call). + + +AX=0021h [BETA-3.74+] Read directory + Input: AX 0020h + SI directory handle + ES:DI buffer for file name + Output: DL Type of file + SI directory handle, or 0 if end of directory was reached + EAX Size of file + EBX Inode of file + + Read one filename from the directory, incrementing the directory + structure at SI as appropriate, storing the filename into the buffer + at ES:DI, and returning the type of the file in DL, the file length + in EAX, the INode/file number in EBX and the updated directory handle. + + +AX=0022h [BETA-3.74+] Close directory + Input: AX 001Fh + SI directory handle + Output SI 0 + + Closes a directory. |