317 lines
6 KiB
NASM
Executable file
317 lines
6 KiB
NASM
Executable file
; THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
|
|
; SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
|
|
; END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
|
|
; ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
|
|
; IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
|
|
; SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
|
|
; FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
|
|
; CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
|
|
; AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
|
|
; COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
|
|
;***************************************************************************
|
|
;***************************************************************************
|
|
;***** *****
|
|
;***** M O U S E . A S M *****
|
|
;***** *****
|
|
;***** Contains routines for a mouse interface. *****
|
|
;***** *****
|
|
;***** *****
|
|
;***** PROCEDURES *****
|
|
;***** *****
|
|
;***** VARIABLES *****
|
|
;***** *****
|
|
;***** *****
|
|
;***** CONSTANTS *****
|
|
;***** *****
|
|
;***** *****
|
|
;***************************************************************************
|
|
;***************************************************************************
|
|
|
|
.386
|
|
|
|
;************************************************************************
|
|
;**************** FLAT MODEL DATA SEGMENT STUFF *************************
|
|
;************************************************************************
|
|
|
|
_DATA SEGMENT BYTE PUBLIC USE32 'DATA'
|
|
|
|
rcsid db "$Id: mouse.asm,v 1.1.1.1 2006/03/17 20:00:15 zicodxx Exp $"
|
|
|
|
MOUSE_EVENT STRUCT 2
|
|
MouseDX dw ?
|
|
MouseDY dw ?
|
|
MouseButtons dw ?
|
|
MouseFlags dw ?
|
|
MOUSE_EVENT ENDS
|
|
|
|
NumberOfButtons dw ?
|
|
|
|
MyEvent MOUSE_EVENT < >
|
|
MyEventHandler dd 0
|
|
|
|
|
|
|
|
_DATA ENDS
|
|
|
|
DGROUP GROUP _DATA
|
|
|
|
|
|
;************************************************************************
|
|
;**************** FLAT MODEL CODE SEGMENT STUFF *************************
|
|
;************************************************************************
|
|
|
|
_TEXT SEGMENT BYTE PUBLIC USE32 'CODE'
|
|
|
|
ASSUME ds:_DATA
|
|
ASSUME cs:_TEXT
|
|
|
|
PUBLIC mouse_init_
|
|
|
|
mouse_init_:
|
|
|
|
push bx
|
|
xor ax, ax ; Reset mouse
|
|
int 33h
|
|
mov NumberOfButtons, bx
|
|
pop bx
|
|
or ax, ax
|
|
jnz present
|
|
jmp absent
|
|
|
|
|
|
present:
|
|
mov ax, 0020h ; Enable driver
|
|
int 33h
|
|
|
|
mov ax, 1
|
|
ret
|
|
|
|
absent:
|
|
mov ax, 0
|
|
ret
|
|
|
|
|
|
|
|
PUBLIC mouse_get_pos_
|
|
|
|
mouse_get_pos_:
|
|
|
|
push eax
|
|
push ebx
|
|
push ecx
|
|
push edx
|
|
|
|
push eax
|
|
|
|
mov ax, 03h ; Get Mouse Position and Button Status
|
|
int 33h
|
|
; bx = buttons, cx = x, dx = y
|
|
|
|
pop eax
|
|
mov [eax], cx
|
|
pop eax
|
|
mov [eax], dx
|
|
mov edx, eax
|
|
|
|
pop ecx
|
|
pop ebx
|
|
pop eax
|
|
|
|
ret
|
|
|
|
PUBLIC mouse_get_delta_
|
|
|
|
mouse_get_delta_:
|
|
|
|
push eax
|
|
push ebx
|
|
push ecx
|
|
push edx
|
|
|
|
|
|
push eax
|
|
|
|
mov eax, 0bh ; Read Mouse Motion Counters
|
|
int 33h
|
|
|
|
pop eax
|
|
mov [eax], cx
|
|
pop eax
|
|
mov [eax], dx
|
|
mov edx, eax
|
|
|
|
pop ecx
|
|
pop ebx
|
|
pop eax
|
|
ret
|
|
|
|
|
|
PUBLIC mouse_get_btns_
|
|
|
|
mouse_get_btns_:
|
|
|
|
push ebx
|
|
push ecx
|
|
push edx
|
|
|
|
mov ax, 03h ; Get Mouse Position and Button Status
|
|
int 33h
|
|
; bx = buttons, cx = x, dx = y
|
|
|
|
movzx eax, bx
|
|
|
|
pop edx
|
|
pop ecx
|
|
pop ebx
|
|
|
|
ret
|
|
|
|
|
|
PUBLIC mouse_close_
|
|
|
|
mouse_close_:
|
|
|
|
push eax
|
|
push ebx
|
|
push es
|
|
|
|
mov ax, 01fh ; Disable mouse driver
|
|
int 33h
|
|
|
|
pop es
|
|
pop ebx
|
|
pop eax
|
|
|
|
ret
|
|
|
|
MyHandler:
|
|
|
|
pushad
|
|
push ds
|
|
|
|
push ax
|
|
mov ax, DGROUP
|
|
mov ds, ax
|
|
pop ax
|
|
|
|
mov MyEvent.MouseDX, cx
|
|
mov MyEvent.MouseDY, dx
|
|
mov MyEvent.MouseButtons, bx
|
|
mov MyEvent.MouseFlags, ax
|
|
|
|
mov eax, offset MyEvent
|
|
|
|
call MyEventHandler
|
|
|
|
pop ds
|
|
popad
|
|
|
|
retf
|
|
|
|
PUBLIC mouse_set_handler_
|
|
|
|
mouse_set_handler_:
|
|
|
|
push eax
|
|
push ebx
|
|
push ecx
|
|
push edx
|
|
push es
|
|
|
|
mov MyEventHandler, edx
|
|
|
|
mov ecx, eax ; Event flags
|
|
mov edx, MyHandler
|
|
mov ax, cs
|
|
mov es, ax
|
|
mov ax, 0Ch ; Set User-defined Mouse Event Handler
|
|
int 33h
|
|
|
|
pop es
|
|
pop edx
|
|
pop ecx
|
|
pop edx
|
|
pop eax
|
|
|
|
ret
|
|
|
|
PUBLIC mouse_clear_handler_
|
|
|
|
mouse_clear_handler_:
|
|
|
|
push eax
|
|
push ebx
|
|
push ecx
|
|
push edx
|
|
push es
|
|
|
|
mov MyEventHandler, 0
|
|
|
|
mov ecx, 0 ; Event flags
|
|
mov edx, MyHandler
|
|
mov ax, cs
|
|
mov es, ax
|
|
mov ax, 0Ch ; Set User-defined Mouse Event Handler
|
|
int 33h
|
|
|
|
pop es
|
|
pop edx
|
|
pop ecx
|
|
pop edx
|
|
pop eax
|
|
|
|
ret
|
|
|
|
|
|
PUBLIC mouse_set_limits_
|
|
|
|
mouse_set_limits_:
|
|
|
|
; EAX = minx
|
|
; EDX = miny
|
|
; EBX = maxx
|
|
; ECX = maxy
|
|
|
|
push edx ; Save Vertical stuff
|
|
push ecx
|
|
|
|
mov cx, ax
|
|
mov dx, bx
|
|
mov ax, 7
|
|
int 33h
|
|
|
|
pop edx
|
|
pop ecx
|
|
mov ax, 8
|
|
int 33h
|
|
|
|
ret
|
|
|
|
|
|
;extern void mouse_set_pos( short x, short y);
|
|
|
|
|
|
PUBLIC mouse_set_pos_
|
|
|
|
mouse_set_pos_:
|
|
|
|
; EAX = x
|
|
; EDX = y
|
|
|
|
push ecx
|
|
|
|
mov ecx, eax
|
|
mov eax, 04h
|
|
int 33h
|
|
pop ecx
|
|
|
|
|
|
ret
|
|
|
|
|
|
|
|
_TEXT ENDS
|
|
|
|
|
|
END
|