72 lines
2.5 KiB
C
72 lines
2.5 KiB
C
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Mupen64plus - cp0.c *
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* Mupen64Plus homepage: http://code.google.com/p/mupen64plus/ *
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* Copyright (C) 2002 Hacktarux *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program 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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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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#include "usf/usf.h"
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#include "usf/usf_internal.h"
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#include "r4300.h"
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#include "cp0.h"
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#include "exception.h"
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#include "new_dynarec/new_dynarec.h"
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#ifdef COMPARE_CORE
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#include "api/debugger.h"
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#endif
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#ifdef DBG
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#include "debugger/dbg_types.h"
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#include "debugger/debugger.h"
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#endif
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/* global functions */
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int osal_fastcall check_cop1_unusable(usf_state_t * state)
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{
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if (!(state->g_cp0_regs[CP0_STATUS_REG] & 0x20000000))
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{
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state->g_cp0_regs[CP0_CAUSE_REG] = (11 << 2) | 0x10000000;
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exception_general(state);
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return 1;
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}
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return 0;
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}
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void update_count(usf_state_t * state)
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{
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#ifdef NEW_DYNAREC
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if (r4300emu != CORE_DYNAREC)
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{
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#endif
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uint32_t count = ((state->PC->addr - state->last_addr) >> 2) * state->count_per_op;
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state->g_cp0_regs[CP0_COUNT_REG] += count;
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state->cycle_count += count;
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state->last_addr = state->PC->addr;
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#ifdef NEW_DYNAREC
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}
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#endif
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/*#ifdef DBG
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if (g_DebuggerActive && !delay_slot) update_debugger(PC->addr);
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#endif
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*/
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}
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