minivmac4ios/Mini vMac/mnvm_core/MOUSEMDV.c
2016-05-01 19:05:36 +02:00

1 line
2.8 KiB
C
Executable File

/*
MOUSEMDV.c
Copyright (C) 2006 Philip Cummins, Paul C. Pratt
You can redistribute this file and/or modify it under the terms
of version 2 of the GNU General Public License as published by
the Free Software Foundation. You should have received a copy
of the license along with this file; see the file COPYING.
This file 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
license for more details.
*/
/*
MOUSe EMulated DeVice
Emulation of the mouse in the Mac Plus.
This code descended from "Mouse-MacOS.c" in Richard F. Bannister's
Macintosh port of vMac, by Philip Cummins.
*/
#ifndef AllFiles
#include "SYSDEPNS.h"
#include "MYOSGLUE.h"
#include "ENDIANAC.h"
#include "EMCONFIG.h"
#include "GLOBGLUE.h"
#include "SCCEMDEV.h"
#endif
#include "MOUSEMDV.h"
GLOBALPROC Mouse_Update(void)
{
#if HaveMasterMyEvtQLock
if (0 != MasterMyEvtQLock) {
--MasterMyEvtQLock;
}
#endif
/*
Check mouse position first. After mouse button or key event,
can't process another mouse position until following tick,
otherwise button or key will be in wrong place.
*/
/*
if start doing this too soon after boot,
will mess up memory check
*/
if (Mouse_Enabled()) {
MyEvtQEl *p;
if (
#if HaveMasterMyEvtQLock
(0 == MasterMyEvtQLock) &&
#endif
(nullpr != (p = MyEvtQOutP())))
{
#if EmClassicKbrd
#if EnableMouseMotion
if (MyEvtQElKindMouseDelta == p->kind) {
if ((p->u.pos.h != 0) || (p->u.pos.v != 0)) {
put_ram_word(0x0828,
get_ram_word(0x0828) + p->u.pos.v);
put_ram_word(0x082A,
get_ram_word(0x082A) + p->u.pos.h);
put_ram_byte(0x08CE, get_ram_byte(0x08CF));
/* Tell MacOS to redraw the Mouse */
}
MyEvtQOutDone();
} else
#endif
#endif
if (MyEvtQElKindMousePos == p->kind) {
ui5r NewMouse = (p->u.pos.v << 16) | p->u.pos.h;
if (get_ram_long(0x0828) != NewMouse) {
put_ram_long(0x0828, NewMouse);
/* Set Mouse Position */
put_ram_long(0x082C, NewMouse);
#if EmClassicKbrd
put_ram_byte(0x08CE, get_ram_byte(0x08CF));
/* Tell MacOS to redraw the Mouse */
#else
put_ram_long(0x0830, NewMouse);
put_ram_byte(0x08CE, 0xFF);
/* Tell MacOS to redraw the Mouse */
#endif
}
MyEvtQOutDone();
}
}
}
#if EmClassicKbrd
{
MyEvtQEl *p;
if (
#if HaveMasterMyEvtQLock
(0 == MasterMyEvtQLock) &&
#endif
(nullpr != (p = MyEvtQOutP())))
{
if (MyEvtQElKindMouseButton == p->kind) {
MouseBtnUp = p->u.press.down ? 0 : 1;
MyEvtQOutDone();
MasterMyEvtQLock = 4;
}
}
}
#endif
}
GLOBALPROC Mouse_EndTickNotify(void)
{
if (Mouse_Enabled()) {
/* tell platform specific code where the mouse went */
CurMouseV = get_ram_word(0x082C);
CurMouseH = get_ram_word(0x082E);
}
}