130 lines
2.8 KiB
C
130 lines
2.8 KiB
C
/*
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MOUSEMDV.c
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Copyright (C) 2006 Philip Cummins, Paul C. Pratt
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You can redistribute this file and/or modify it under the terms
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of version 2 of the GNU General Public License as published by
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the Free Software Foundation. You should have received a copy
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of the license along with this file; see the file COPYING.
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This file is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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license for more details.
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*/
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/*
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MOUSe EMulated DeVice
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Emulation of the mouse in the Mac Plus.
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This code descended from "Mouse-MacOS.c" in Richard F. Bannister's
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Macintosh port of vMac, by Philip Cummins.
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*/
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#ifndef AllFiles
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#include "SYSDEPNS.h"
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#include "UI/MYOSGLUE.h"
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#include "UTIL/ENDIANAC.h"
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#include "EMCONFIG.h"
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#include "GLOBGLUE.h"
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#include "HW/SCC/SCCEMDEV.h"
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#include "HW/M68K/MINEM68K.h"
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#endif
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#include "HW/MOUSE/MOUSEMDV.h"
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void Mouse_Update(void)
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{
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#if HaveMasterEvtQLock
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if (0 != MasterEvtQLock) {
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--MasterEvtQLock;
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}
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#endif
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/*
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Check mouse position first. After mouse button or key event,
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can't process another mouse position until following tick,
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otherwise button or key will be in wrong place.
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*/
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/*
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if start doing this too soon after boot,
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will mess up memory check
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*/
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if (Mouse_Enabled()) {
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EvtQEl *p;
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if (
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#if HaveMasterEvtQLock
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(0 == MasterEvtQLock) &&
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#endif
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(nullpr != (p = EvtQOutP())))
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{
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#if EmClassicKbrd
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#if EnableMouseMotion
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if (EvtQElKindMouseDelta == p->kind) {
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if ((p->u.pos.h != 0) || (p->u.pos.v != 0)) {
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put_ram_word(0x0828,
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get_ram_word(0x0828) + p->u.pos.v);
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put_ram_word(0x082A,
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get_ram_word(0x082A) + p->u.pos.h);
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put_ram_byte(0x08CE, get_ram_byte(0x08CF));
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/* Tell MacOS to redraw the Mouse */
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}
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EvtQOutDone();
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} else
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#endif
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#endif
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if (EvtQElKindMousePos == p->kind) {
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uint32_t NewMouse = (p->u.pos.v << 16) | p->u.pos.h;
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if (get_ram_long(0x0828) != NewMouse) {
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put_ram_long(0x0828, NewMouse);
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/* Set Mouse Position */
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put_ram_long(0x082C, NewMouse);
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#if EmClassicKbrd
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put_ram_byte(0x08CE, get_ram_byte(0x08CF));
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/* Tell MacOS to redraw the Mouse */
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#else
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put_ram_long(0x0830, NewMouse);
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put_ram_byte(0x08CE, 0xFF);
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/* Tell MacOS to redraw the Mouse */
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#endif
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}
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EvtQOutDone();
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}
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}
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}
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#if EmClassicKbrd
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{
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EvtQEl *p;
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if (
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#if HaveMasterEvtQLock
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(0 == MasterEvtQLock) &&
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#endif
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(nullpr != (p = EvtQOutP())))
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{
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if (EvtQElKindMouseButton == p->kind) {
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MouseBtnUp = p->u.press.down ? 0 : 1;
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EvtQOutDone();
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MasterEvtQLock = 4;
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}
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}
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}
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#endif
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}
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void Mouse_EndTickNotify(void)
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{
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if (Mouse_Enabled()) {
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/* tell platform specific code where the mouse went */
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CurMouseV = get_ram_word(0x082C);
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CurMouseH = get_ram_word(0x082E);
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}
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}
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