📄 dhlp019.asm
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;************************************************************************
;* MODULE INFORMATION*
;**********************
;* FILE NAME: dhlp019.asm
;* SYSTEM NAME: devlib
;* ORIGINAL AUTHOR(S): Paul Lemmers
;* VERSION NUMBER:
;* CREATION DATE: 1990/8/21
;*
;* DESCRIPTION:
;* Contains DevHelp FreePhys function.
;************************************************************************
;* CHANGES INFORMATION **
;************************
;* REVISION: $Revision: 1.2 $
;* WORKFILE: $Workfile: dhlp019.asm $
;* LOGINFO: $Log: D:/CPROG/MYDEV/DEVLIB/VCS/DHLP019.ASV $
;*
;* Rev 1.2 18 Dec 1990 14:04:30 PAUL
;* Ahum, adapted to _fastcall naming
;*
;* Rev 1.1 17 Dec 1990 14:10:04 PAUL
;* _fastcall and devhlp.inc
;*
;* Rev 1.0 03 Sep 1990 15:03:34 PAUL
;* Initial revision.
;************************************************************************/
;
INCLUDE cdev.inc
INCLUDE devhlp.inc
_DATA SEGMENT
EXTRN _DevHelp:DWORD
_DATA ENDS
_TEXT SEGMENT
PUBLIC @dev_FreePhys
;************************************************************************
;* NAME: dev_FreePhys
;* SYNOPSIS: USHORT _fastcall dev_FreePhys(ULONG phys)
;* ULONG phys; 32-bit physical address
;* DESCRIPTION: See DevHelp documentation of FreePhys
;* CALL REGISTERS:
;* dx:ax phys
;* UNMODIFIED REGISTERS:
;* ds bp si di
;* RETURNS: ax = 0 --> succesful
;* ax != 0 unsuccesful
;************************************************************************
phys = 4
@dev_FreePhys PROC NEAR
mov bx,ax
mov ax,dx
mov dl,DevHlp_FreePhys
call [_DevHelp]
mov ax,0
jnc $L000 ; jump if succesful
dec ax
$L000: RET
@dev_FreePhys ENDP
_TEXT ENDS
END
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