mirror of https://github.com/PCSX2/pcsx2.git
80 lines
2.1 KiB
C++
80 lines
2.1 KiB
C++
/* PCSX2 - PS2 Emulator for PCs
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* Copyright (C) 2002-2010 PCSX2 Dev Team
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*
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* PCSX2 is free software: you can redistribute it and/or modify it under the terms
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* of the GNU Lesser General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the 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 along with PCSX2.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "PrecompiledHeader.h"
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#include "IopCommon.h"
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#include "iR5900.h"
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#include "Sio.h"
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// NOTE: Any modifications to read/write fns should also go into their const counterparts
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// found in iPsxHw.cpp.
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void psxHwReset() {
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/* if (Config.Sio) psxHu32(0x1070) |= 0x80;
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if (Config.SpuIrq) psxHu32(0x1070) |= 0x200;*/
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memzero_ptr<0x10000>(psxH);
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// mdecInit(); //initialize mdec decoder
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cdrReset();
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cdvdReset();
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psxRcntInit();
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sioInit();
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//sio2Reset();
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}
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__forceinline u8 psxHw4Read8(u32 add)
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{
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u16 mem = add & 0xFF;
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u8 ret = cdvdRead(mem);
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PSXHW_LOG("HwRead8 from Cdvd [segment 0x1f40], addr 0x%02x = 0x%02x", mem, ret);
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return ret;
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}
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__forceinline void psxHw4Write8(u32 add, u8 value)
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{
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u8 mem = (u8)add; // only lower 8 bits are relevant (cdvd regs mirror across the page)
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cdvdWrite(mem, value);
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PSXHW_LOG("HwWrite8 to Cdvd [segment 0x1f40], addr 0x%02x = 0x%02x", mem, value);
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}
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void psxDmaInterrupt(int n)
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{
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if (HW_DMA_ICR & (1 << (16 + n)))
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{
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HW_DMA_ICR|= (1 << (24 + n));
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psxRegs.CP0.n.Cause |= 1 << (9 + n);
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iopIntcIrq( 3 );
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}
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}
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void psxDmaInterrupt2(int n)
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{
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if (HW_DMA_ICR2 & (1 << (16 + n)))
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{
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/* if (HW_DMA_ICR2 & (1 << (24 + n))) {
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Console.WriteLn("*PCSX2*: HW_DMA_ICR2 n=%d already set", n);
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}
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if (psxHu32(0x1070) & 8) {
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Console.WriteLn("*PCSX2*: psxHu32(0x1070) 8 already set (n=%d)", n);
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}*/
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HW_DMA_ICR2|= (1 << (24 + n));
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psxRegs.CP0.n.Cause |= 1 << (16 + n);
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iopIntcIrq( 3 );
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}
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}
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