linbpq/asmDOSAPI.asm

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2022-08-28 09:35:46 +01:00
IF 0
Copyright 2001-2015 John Wiseman G8BPQ
This file is part of LinBPQ/BPQ32.
LinBPQ/BPQ32 is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
LinBPQ/BPQ32 is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with LinBPQ/BPQ32. If not, see http://www.gnu.org/licenses
ENDIF
IFNDEF BPQ64
PAGE 56,132
;
.386
;
; SEGMENT definitions and order
;
;* 32 Bit code
_TEXT SEGMENT DWORD USE32 PUBLIC 'CODE'
_TEXT ENDS
;* Contains 32 Bit data
_BPQDATA SEGMENT DWORD PUBLIC 'DATA'
_BPQDATA ENDS
ASSUME CS:FLAT, DS:FLAT, ES:FLAT, SS:FLAT
OFFSET32 EQU <OFFSET FLAT:>
_BPQDATA SEGMENT
extern _APISemaphore:DWORD
ApiEAX DD 0;
ApiEBX DD 0;
ApiECX DD 0;
ApiEDX DD 0;
ApiESI DD 0;
ApiEDI DD 0;
_BPQDATA ENDS
_TEXT SEGMENT
;
EXTRN _CHOSTAPI:NEAR
MARKER DB 'G8BPQ' ; MUST BE JUST BEFORE INT 7F ENTRY
DB 4 ; MAJORVERSION
DB 9 ; MINORVERSION
PUBLIC _BPQHOSTAPI
_BPQHOSTAPI:
;
; SPECIAL INTERFACE, MAINLY FOR EXTERNAL HOST MODE SUPPORT PROGS
;
extrn _GetSemaphore:near
extrn _FreeSemaphore:near
extrn _Check_Timer:near
pushad
call _Check_Timer
push offset _APISemaphore
call _GetSemaphore
add esp, 4
popad
; Params are 16 bits
movzx eax,ax
movzx ebx,bx
movzx ecx,cx
movzx edx,dx
mov ApiEAX, eax
mov ApiEBX, ebx
mov ApiECX, ecx
mov ApiEDX, edx
mov ApiESI, esi
mov ApiEDI, edi
lea eax,ApiEDI
push eax
lea eax,ApiESI
push eax
lea eax,ApiEDX
push eax
lea eax,ApiECX
push eax
lea eax,ApiEBX
push eax
lea eax,ApiEAX
push eax
call _CHOSTAPI
add esp, 24
mov eax,ApiEAX
mov ebx,ApiEBX
mov ecx,ApiECX
mov edx,ApiEDX
mov esi,ApiESI
mov esi,ApiEDI
pushad
push offset _APISemaphore
call _FreeSemaphore
add esp, 4
popad
ret
_TEXT ENDS
ENDIF
END