📄 dhlp02e.asm
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;************************************************************************
;* MODULE INFORMATION*
;**********************
;* FILE NAME: dhlp02e.asm
;* SYSTEM NAME: devlib
;* ORIGINAL AUTHOR(S): Paul Lemmers
;* VERSION NUMBER:
;* CREATION DATE: 1990/8/14
;*
;* DESCRIPTION:
;* Contains DevHelp PhysToGDTSelector function.
;************************************************************************
;* CHANGES INFORMATION **
;************************
;* REVISION: $Revision: 1.1 $
;* WORKFILE: $Workfile: dhlp02e.asm $
;* LOGINFO: $Log: D:/CPROG/MYDEV/DEVLIB/VCS/DHLP02E.ASV $
;*
;* Rev 1.1 17 Dec 1990 14:31:28 PAUL
;* included devhlp.inc and os2def.h types
;*
;* Rev 1.0 14 Aug 1990 14:39:28 PAUL
;* Initial revision.
;************************************************************************/
;
INCLUDE cdev.inc
INCLUDE devhlp.inc
_DATA SEGMENT
EXTRN _DevHelp:DWORD
_DATA ENDS
_TEXT SEGMENT
PUBLIC _dev_PhysToGDTSelector
;************************************************************************
;* NAME: dev_PhysToGDTSelector
;* SYNOPSIS: USHORT dev_PhysToGDTSelector(ULONG phys, USHORT len, SEL sel)
;* ULONG phys; Physical address
;* USHORT len; Length of memory
;* USHORT sel; Future selector for this memory
;* DESCRIPTION: See DevHelp documentation of PhysToGDTSelector.
;* UNMODIFIED REGISTERS:
;* ds bp si di
;* RETURNS: ax = 0 --> no error
;* else error code
;************************************************************************
phys = 4
len = 8
sel = 0Ah
_dev_PhysToGDTSelector PROC NEAR
PUSH BP
MOV BP,SP
push si
mov bx,[bp+phys]
mov ax,[bp+phys+2]
mov cx,[bp+len]
mov si,[bp+sel]
mov dl,DevHlp_PhysToGDTSelector
call [_DevHelp]
jc $L000 ; jump if error
xor ax,ax
$L000: pop si ; restore di
POP BP
RET
_dev_PhysToGDTSelector ENDP
_TEXT ENDS
END
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