96 lines
2.2 KiB
C++
96 lines
2.2 KiB
C++
/******************************************************************************/
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/* Mednafen Sega Saturn Emulation Module */
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/******************************************************************************/
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/* scu.h:
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** Copyright (C) 2015-2016 Mednafen Team
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**
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** This program is free software; you can redistribute it and/or
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** modify it under the terms of the GNU General Public License
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** as published by the Free Software Foundation; either version 2
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** of the License, or (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 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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#ifndef __MDFN_SS_SCU_H
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#define __MDFN_SS_SCU_H
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namespace MDFN_IEN_SS
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{
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enum
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{
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SCU_INT_VBIN = 0x00,
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SCU_INT_VBOUT,
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SCU_INT_HBIN,
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SCU_INT_TIMER0,
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SCU_INT_TIMER1,
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SCU_INT_DSP,
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SCU_INT_SCSP,
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SCU_INT_SMPC,
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SCU_INT_PAD,
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SCU_INT_L2DMA,
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SCU_INT_L1DMA,
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SCU_INT_L0DMA,
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SCU_INT_DMA_ILL,
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SCU_INT_VDP1,
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SCU_INT_EXT0 = 0x10,
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SCU_INT_EXTF = 0x1F,
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};
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void SCU_Reset(bool powering_up) MDFN_COLD;
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void SCU_SetInt(unsigned which, bool active);
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int32 SCU_SetHBVB(int32 pclocks, bool hblank_in, bool vblank_in);
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bool SCU_CheckVDP1HaltKludge(void);
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sscpu_timestamp_t SCU_UpdateDMA(sscpu_timestamp_t timestamp);
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sscpu_timestamp_t SCU_UpdateDSP(sscpu_timestamp_t timestamp);
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enum
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{
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SCU_GSREG_ILEVEL = 0,
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SCU_GSREG_IVEC,
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SCU_GSREG_ICLEARMASK,
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SCU_GSREG_IASSERTED,
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SCU_GSREG_IPENDING,
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SCU_GSREG_IMASK,
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SCU_GSREG_T0CNT,
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SCU_GSREG_T0CMP,
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SCU_GSREG_T0MET,
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SCU_GSREG_T1RLV,
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SCU_GSREG_T1CNT,
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SCU_GSREG_T1MOD,
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SCU_GSREG_T1MET,
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SCU_GSREG_TENBL,
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//
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//
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//
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SCU_GSREG_DSP_EXEC,
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SCU_GSREG_DSP_PAUSE,
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SCU_GSREG_DSP_PC,
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SCU_GSREG_DSP_END,
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};
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uint32 SCU_GetRegister(const unsigned id, char* const special, const uint32 special_len) MDFN_COLD;
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void SCU_SetRegister(const unsigned id, const uint32 value) MDFN_COLD;
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}
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#endif
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