diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt index 0437eaff..22358192 100644 --- a/src/CMakeLists.txt +++ b/src/CMakeLists.txt @@ -375,6 +375,7 @@ set(SRC_CORE ${CMAKE_CURRENT_SOURCE_DIR}/boards/33.cpp ${CMAKE_CURRENT_SOURCE_DIR}/boards/34.cpp ${CMAKE_CURRENT_SOURCE_DIR}/boards/354.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/boards/413.cpp ${CMAKE_CURRENT_SOURCE_DIR}/boards/36.cpp ${CMAKE_CURRENT_SOURCE_DIR}/boards/3d-block.cpp ${CMAKE_CURRENT_SOURCE_DIR}/boards/40.cpp diff --git a/src/boards/413.cpp b/src/boards/413.cpp new file mode 100644 index 00000000..c5ef354f --- /dev/null +++ b/src/boards/413.cpp @@ -0,0 +1,147 @@ +/* FCEUmm - NES/Famicom Emulator + * + * Copyright notice for this file: + * Copyright (C) 2024 + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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 + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "mapinc.h" +#include "../ines.h" + +static uint8 reg[4]; +static uint8 IRQCount; +static uint8 IRQReload; +static uint8 IRQa; +static uint8 serialControl; +static uint32 serialAddress; + +static SFORMAT StateRegs[] = { + { reg, 4, "REGS" }, + { &IRQCount, 1, "IRQC" }, + { &IRQReload, 1, "IRQR" }, + { &IRQa, 1, "IRQA" }, + { &serialAddress, 4, "ADDR" }, + { &serialControl, 1, "CTRL" }, + { 0 } +}; + +static void Sync(void) { + setprg4(0x5000, 0x01); + setprg8(0x6000, reg[0]); + + setprg8(0x8000, reg[1]); + setprg8(0xA000, reg[2]); + setprg4(0xD000, 0x07); + setprg8(0xE000, 0x04); + + setchr4(0x0000, reg[3]); + setchr4(0x1000, ~0x02); +} + +static uint64 lreset; +static uint32 laddr; +static DECLFR(M413ReadPCM) { + uint8 ret = X.DB; + if ((A == laddr) && ((timestampbase + timestamp) < (lreset + 4))) { + return ret; + } + if (serialControl & 0x02) { + ret = MiscROM[serialAddress++ & (MiscROM_size - 1)]; + } else { + ret = MiscROM[serialAddress & (MiscROM_size - 1)]; + } + laddr = A; + lreset = timestampbase + timestamp; + return ret; +} + +static DECLFW(M413Write) { + switch (A & 0xF000) { + case 0x8000: + IRQReload = V; + break; + case 0x9000: + IRQCount = 0; + break; + case 0xA000: + case 0xB000: + IRQa = (A & 0x1000) != 0; + if (!IRQa) { + X6502_IRQEnd(FCEU_IQEXT); + } + break; + case 0xC000: + serialAddress = (serialAddress << 1) | (V >> 7); + break; + case 0xD000: + serialControl = V; + break; + case 0xE000: + case 0xF000: + reg[V >> 6] = V & 0x3F; + Sync(); + break; + } +} + +static void M413Power(void) { + serialAddress = 0; + serialControl = 0; + + IRQCount = 0; + IRQReload = 0; + IRQa = 0; + + reg[0] = 0; + reg[1] = 0; + reg[2] = 0; + reg[3] = 0; + + laddr = 0; + lreset = 0; + + Sync(); + + SetReadHandler(0x4800, 0x4FFF, M413ReadPCM); + SetReadHandler(0x5000, 0x7FFF, CartBR); + SetReadHandler(0x8000, 0xBFFF, CartBR); + SetReadHandler(0xC000, 0xCFFF, M413ReadPCM); + SetReadHandler(0xD000, 0xFFFF, CartBR); + + SetWriteHandler(0x8000, 0xFFFF, M413Write); +} + +static void M413IRQHook(void) { + if (IRQCount == 0) { + IRQCount = IRQReload; + } else { + IRQCount--; + } + if ((IRQCount == 0) && IRQa) { + X6502_IRQBegin(FCEU_IQEXT); + } +} + +static void StateRestore(int version) { + Sync(); +} + +void Mapper413_Init(CartInfo *info) { + info->Power = M413Power; + GameHBIRQHook = M413IRQHook; + GameStateRestore = StateRestore; + AddExState(&StateRegs, ~0, 0, 0); +} diff --git a/src/ines.cpp b/src/ines.cpp index 47329738..5d4427df 100644 --- a/src/ines.cpp +++ b/src/ines.cpp @@ -796,6 +796,7 @@ BMAPPINGLocal bmap[] = { {"FAM250/81-01-39-C/SCHI-24", 354, Mapper354_Init }, {"Impact Soft MMC3 Flash Board", 406, Mapper406_Init }, + {"Super Russian Roulette", 413, Mapper413_Init }, {"INX_007T_V01", 470, INX_007T_Init }, {"KONAMI QTAi Board", 547, QTAi_Init }, diff --git a/src/ines.h b/src/ines.h index 7d738bd3..407a5b97 100644 --- a/src/ines.h +++ b/src/ines.h @@ -280,6 +280,7 @@ void Mapper254_Init(CartInfo *); void Mapper255_Init(CartInfo *); void Mapper354_Init(CartInfo *); void Mapper406_Init(CartInfo *); +void Mapper413_Init(CartInfo *); void INX_007T_Init(CartInfo* info); void GN45_Init(CartInfo *info); /* previously mapper 205 */ diff --git a/vc/vc14_fceux.vcxproj b/vc/vc14_fceux.vcxproj index 43e5dc9d..c8191b90 100644 --- a/vc/vc14_fceux.vcxproj +++ b/vc/vc14_fceux.vcxproj @@ -437,6 +437,7 @@ xcopy /y /d "$(ProjectDir)\..\src\drivers\win\7z_64.dll" "$(OutDir)" + diff --git a/vc/vc14_fceux.vcxproj.filters b/vc/vc14_fceux.vcxproj.filters index 9392e42e..1b57adff 100644 --- a/vc/vc14_fceux.vcxproj.filters +++ b/vc/vc14_fceux.vcxproj.filters @@ -1120,6 +1120,9 @@ boards + + boards +