1 /*
2 * This file is part of libbdplus
3 * Copyright (C) 2008-2010 Accident
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library. If not, see
17 * <http://www.gnu.org/licenses/>.
18 */
19
20 #include "event.h"
21
22 #include "dlx_internal.h"
23
24 #include "util/logging.h"
25 #include "util/macro.h"
26
27 #include <string.h>
28 #include <stdlib.h>
29 #include <gcrypt.h>
30
bdplus_send_event(VM * vm,uint32_t eventID,uint32_t arg1,uint32_t table,uint32_t segment)31 void bdplus_send_event(VM *vm, uint32_t eventID, uint32_t arg1,
32 uint32_t table, uint32_t segment)
33 {
34
35 BD_DEBUG(DBG_BDPLUS_EVENT,"[bdplus] ** posting EVENT %X (%08X, %d, %d)\n", eventID,
36 arg1, table, segment);
37
38 if (!vm || !vm->addr) return;
39
40 STORE4( &vm->addr[ 0x0 ], eventID );
41 STORE4( &vm->addr[ 0x4 ], arg1 );
42 STORE4( &vm->addr[ 0x8 ], table );
43 if (eventID == EVENT_ComputeSP) {
44
45 STORE4( &vm->addr[ 0xC ], segment );
46 STORE4( &vm->addr[ 0x20 ], 0 ); // Set by Jumper, clearing MASK?
47 STORE4( &vm->addr[ 0x24 ], 0 ); // Set by Jumper
48 #if 0
49 /* this should be set already ... */
50 if (plus->conv_tab)
51 segment_setSegment(plus->conv_tab, table, segment);
52 #endif
53 }
54
55 // Remember break location?
56 // send_event sets R28, but it MUST be clear to start.
57
58 // If we are Starting, don7t touch R28, since they must all be 0 at start.
59 if (eventID != EVENT_Start)
60 vm->R[28] = dlx_getPC(vm);
61
62 dlx_setPC(vm, 0x1000);
63 dlx_setWD(vm, 0x7FFFFFFF);
64 vm->event_processing = 1;
65 vm->event_current = eventID;
66 }
67