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  → /kernel/trunk/docs/sysfuncs.txt @ 9994

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Regard whitespace Rev 9994 → Rev 9995

/kernel/trunk/docs/sysfuncs.txt
872,6 → 872,9
======================================================================
Function 18, subfunction 11 - get information on the disk subsystem.
======================================================================
!!! WARNING. This interface is outdated and should not be used !!!
Parameters:
* eax = 18 - function number
* ebx = 11 - subfunction number
1277,6 → 1280,8
==================== Function 20 - MIDI interface. ===================
======================================================================
!!! WARNING. This interface is outdated and should not be used !!!
----------------------- Subfunction 1 - reset ------------------------
Parameters:
* eax = 20 - function number
1300,6 → 1305,9
======================================================================
======== Function 21, subfunction 1 - set MPU MIDI base port. ========
======================================================================
!!! WARNING. This interface is outdated and should not be used !!!
Parameters:
* eax = 21 - function number
* ebx = 1 - subfunction number
1475,6 → 1483,9
======================================================================
======= Function 24, subfunction 4 - eject tray of disk drive. =======
======================================================================
!!! WARNING. This interface is outdated and should not be used !!!
Parameters:
* eax = 24 - function number
* ebx = 4 - subfunction number
1498,6 → 1509,9
======================================================================
======== Function 24, subfunction 5 - load tray of disk drive. =======
======================================================================
!!! WARNING. This interface is outdated and should not be used !!!
Parameters:
* eax = 24 - function number
* ebx = 5 - subfunction number
1539,6 → 1553,9
======================================================================
======== Function 26, subfunction 1 - get MPU MIDI base port. ========
======================================================================
!!! WARNING. This interface is outdated and should not be used !!!
Parameters:
* eax = 26 - function number
* ebx = 1 - subfunction number
2075,41 → 2092,10
---------------------- Constants for registers: ----------------------
eax - SF_SET_EVENTS_MASK (40)
======================================================================
================ Function 43 - input/output to a port. ===============
======================================================================
------------------------ Output data to port -------------------------
Parameters:
* eax = 43 - function number
* bl = byte for output
* ecx = port number 0xnnnn (from 0 to 0xFFFF)
Returned value:
* eax = 0 - success
* eax = 1 - the thread has not reserved the selected port
------------------------ Input data from port ------------------------
Parameters:
* eax = 43 - function number
* ebx is ignored
* ecx = 0x8000nnnn, where nnnn = port number (from 0 to 0xFFFF)
Returned value:
* eax = 0 - success, thus ebx = entered byte
* eax = 1 - the thread has not reserved the selected port
Remarks:
* Previously the thread must reserve the selected port
for itself by function 46.
* Instead of call to this function it is better to use
processor instructions in/out - this is much
faster and a bit shorter and easier.
---------------------- Constants for registers: ----------------------
eax - SF_PORT_IN_OUT (43)
======================================================================
====== Function 46 - reserve/free a group of input/output ports. =====
======================================================================
To work with reserved ports an application can access directly by
commands in/out (recommended way) and can use function 43
(not recommended way).
commands in/out .
Parameters:
* eax = 46 - function number
* ebx = 0 - reserve, 1 - free
2987,6 → 2973,9
======================================================================
============== Function 64 - resize application memory. ==============
======================================================================
!!! WARNING. This interface is outdated and should not be used !!!
Parameters:
* eax = 64 - function number
* ebx = 1 - unique subfunction