minivmac4ios/Mini vMac/mnvm_core/MOUSEMDV.c

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2016-05-01 17:05:36 +00:00
/* 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); } }