home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
FishMarket 1.0
/
FishMarket v1.0.iso
/
fishies
/
351-375
/
disk_371
/
lockdevice
/
iohandler.asm
< prev
next >
Wrap
Assembly Source File
|
1992-05-06
|
957b
|
48 lines
* $Revision Header * Header built automatically - do not edit! *************
*
* (C) Copyright 1990 by MXM
*
* Name .....: IOHandler.asm
* Created ..: Tuesday 26-Jun-90 14:19
* Revision .: 1
*
* Date Author Comment
* ========= ======== ====================
* 26-Jun-90 Olsen Created this file!
*
* $Revision Header *********************************************************
section text,code
include "exec/types.i"
include "exec/nodes.i"
include "exec/io.i"
xdef _NewBeginIO
xref _PatchedBeginIO
xref _geta4
_NewBeginIO:
movem.l d1-d7/a2-a6,-(sp) ; Save registers
move.l a1,-(sp) ; Remember IORequest
jsr _geta4
jsr _PatchedBeginIO ; Call our patch
move.l (sp)+,a1 ; Restore IORequest
movem.l (sp)+,d1-d7/a2-a6 ; Restore registers
tst.l d0 ; Valid result?
bne 1$
move.b IO_ERROR(a1),d0 ; Return error
rts
1$ move.l d0,a0 ; Jump to original routine
jmp (a0)
end