The-Homebrew-Cloud/fceugx
2
0
Fork 0
mirror of https://github.com/dborth/fceugx.git synced 2024-10-31 22:45:05 +01:00
Code Issues Packages Projects Releases Wiki Activity

update to the latest FCEUX core from git head.

Browse Source
This commit is contained in:
Daryl Borth 2018-08-13 09:05:50 -06:00
parent 50b3150515
commit 35f527aa9a
15 changed files with 1516 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

71
source/fceultra/boards/158B.cpp Normal file
View File

@ -0,0 +1,71 @@
/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2015 CaH4e3
*
* 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
*
* "Blood Of Jurassic" protected MMC3 based board (GD-98 Cart ID, 158B PCB ID)
*
*/
#include "mapinc.h"
#include "mmc3.h"
static uint8 lut[8] = { 0x00, 0x00, 0x00, 0x01, 0x02, 0x04, 0x0F, 0x00 };
static void UNL158BPW(uint32 A, uint8 V) {
if (EXPREGS[0] & 0x80) {
uint32 bank = EXPREGS[0] & 7;
if(EXPREGS[0] & 0x20) { // 32Kb mode
setprg32(0x8000, bank >> 1);
} else { // 16Kb mode
setprg16(0x8000, bank);
setprg16(0xC000, bank);
}
} else {
setprg8(A, V & 0xF);
}
}
static DECLFW(UNL158BProtWrite) {
EXPREGS[A & 7] = V;
switch(A & 7) {
case 0:
FixMMC3PRG(MMC3_cmd);
break;
case 7:
FCEU_printf("UNK PROT WRITE\n");
break;
}
}
static DECLFR(UNL158BProtRead) {
return X.DB | lut[A & 7];
}
static void UNL158BPower(void) {
GenMMC3Power();
SetWriteHandler(0x5000, 0x5FFF, UNL158BProtWrite);
SetReadHandler(0x5000, 0x5FFF, UNL158BProtRead);
}
void UNL158B_Init(CartInfo *info) {
GenMMC3_Init(info, 128, 128, 0, 0);
pwrap = UNL158BPW;
info->Power = UNL158BPower;
AddExState(EXPREGS, 8, 0, "EXPR");
}

85
source/fceultra/boards/190.cpp Normal file
View File

@ -0,0 +1,85 @@
/* FCE Ultra - NES/Famicom Emulator
*
* Copyright (C) 2017 FCEUX Team
*
* 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
*
* Magic Kid GooGoo
*/
#include "mapinc.h"
static uint8 prgr, chrr[4];
static uint8 *WRAM = NULL;
static void Mapper190_Sync(void) {
setprg8r(0x10, 0x6000, 0);
setprg16(0x8000, prgr);
setprg16(0xC000, 0);
setchr2(0x0000, chrr[0]);
setchr2(0x0800, chrr[1]);
setchr2(0x1000, chrr[2]);
setchr2(0x1800, chrr[3]);
}
static DECLFW(Mapper190_Write89) { prgr = V&7; Mapper190_Sync(); }
static DECLFW(Mapper190_WriteCD) { prgr = 8|(V&7); Mapper190_Sync(); }
static DECLFW(Mapper190_WriteAB) {
int bank = A&3;
chrr[bank] = V&63;
Mapper190_Sync();
}
static void Mapper190_Power(void) {
FCEU_CheatAddRAM(0x2000 >> 10, 0x6000, WRAM);
SetReadHandler(0x6000, 0xFFFF, CartBR);
SetWriteHandler(0x6000, 0x7FFF, CartBW);
SetWriteHandler(0x8000, 0x9FFF, Mapper190_Write89);
SetWriteHandler(0xA000, 0xBFFF, Mapper190_WriteAB);
SetWriteHandler(0xC000, 0xDFFF, Mapper190_WriteCD);
Mapper190_Sync();
setmirror(MI_V);
}
static void Mapper190_Close(void) {
FCEU_gfree(WRAM);
WRAM = NULL;
}
static void Mapper190_Restore(int) {
Mapper190_Sync();
}
void Mapper190_Init(CartInfo *info) {
info->Power = Mapper190_Power;
info->Close = Mapper190_Close;
GameStateRestore = Mapper190_Restore;
WRAM = (uint8*)FCEU_gmalloc(0x2000);
SetupCartPRGMapping(0x10, WRAM, 0x2000, 1);
chrr[0] = chrr[1] = chrr[2] = chrr[3] = prgr = 0;
AddExState(&prgr, 1, 0, "PRGR");
AddExState(chrr, 4, 0, "CHRR");
AddExState(WRAM, 0x2000, 0, "WRAM");
}

76
source/fceultra/boards/80013-B.cpp Normal file
View File

@ -0,0 +1,76 @@
/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2017 CaH4e3
*
* 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"
static uint8 bios_prg, rom_prg, rom_mode, mirror;
static SFORMAT StateRegs[] =
{
{ &bios_prg, 1, "BREG" },
{ &rom_prg, 1, "RREG" },
{ &rom_mode, 1, "RMODE" },
{ 0 }
};
static void Sync(void) {
setchr8(0);
if(rom_mode&2) {
setprg16r(0,0x8000,(bios_prg&0xF)|(rom_prg&0x70));
} else {
setprg16r(1,0x8000,bios_prg&3);
}
setprg16r(0,0xC000,rom_prg&0x7F);
setmirror(((bios_prg>>4)&1)^1);
}
static DECLFW(BMC80013BWrite) {
uint8 reg = (A>>13)&3;
if(reg == 0) {
bios_prg = V;
} else {
rom_prg = V;
rom_mode = reg;
}
Sync();
}
static void BMC80013BPower(void) {
bios_prg=rom_prg=rom_mode=mirror=0;
Sync();
SetReadHandler(0x8000, 0xFFFF, CartBR);
SetWriteHandler(0x8000, 0xFFFF, BMC80013BWrite);
}
static void BMC80013BReset(void) {
bios_prg=rom_prg=rom_mode=mirror=0;
Sync();
}
static void StateRestore(int version) {
Sync();
}
void BMC80013B_Init(CartInfo *info) {
info->Reset = BMC80013BReset;
info->Power = BMC80013BPower;
GameStateRestore = StateRestore;
AddExState(&StateRegs, ~0, 0, 0);
}

67
source/fceultra/boards/8in1.cpp Normal file
View File

@ -0,0 +1,67 @@
/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2016 CaH4e3
*
* 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
*
* 8-in-1 Rockin' Kats, Snake, (PCB marked as "8 in 1"), similar to 12IN1,
* but with MMC3 on board, all games are hacked the same, Snake is buggy too!
*
* no reset-citcuit, so selected game can be reset, but to change it you must use power
*
*/
#include "mapinc.h"
#include "mmc3.h"
static void BMC8IN1CW(uint32 A, uint8 V) {
setchr1(A, ((EXPREGS[0] & 0xC) << 5) | (V & 0x7F));
}
static void BMC8IN1PW(uint32 A, uint8 V) {
if(EXPREGS[0] & 0x10) { // MMC3 mode
setprg8(A, ((EXPREGS[0] & 0xC) << 2) | (V & 0xF));
} else {
setprg32(0x8000, EXPREGS[0] & 0xF);
}
}
static DECLFW(BMC8IN1Write) {
if(A & 0x1000) {
EXPREGS[0] = V;
FixMMC3PRG(MMC3_cmd);
FixMMC3CHR(MMC3_cmd);
} else {
if(A < 0xC000)
MMC3_CMDWrite(A, V);
else
MMC3_IRQWrite(A, V);
}
}
static void BMC8IN1Power(void) {
EXPREGS[0] = 0;
GenMMC3Power();
SetWriteHandler(0x8000, 0xFFFF, BMC8IN1Write);
}
void BMC8IN1_Init(CartInfo *info) {
GenMMC3_Init(info, 128, 128, 0, 0);
cwrap = BMC8IN1CW;
pwrap = BMC8IN1PW;
info->Power = BMC8IN1Power;
AddExState(EXPREGS, 1, 0, "EXPR");
}

79
source/fceultra/boards/BMW8544.cpp Normal file
View File

@ -0,0 +1,79 @@
/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2015 CaH4e3
*
* 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
*
* "Dragon Fighter" protected MMC3 based custom mapper board
* mostly hacky implementation, I can't verify if this mapper can read a RAM of the
* console or watches the bus writes somehow.
*
*/
#include "mapinc.h"
#include "mmc3.h"
static void UNLBMW8544PW(uint32 A, uint8 V) {
if(A == 0x8000)
setprg8(A,EXPREGS[0] & 0x1F); // the real hardware has this bank overrided with it's own register,
else // but MMC3 prg swap still works and you can actually change bank C000 at the same time if use 0x46 cmd
setprg8(A,V);
}
static void UNLBMW8544CW(uint32 A, uint8 V) {
if(A == 0x0000)
setchr2(0x0000,(V >> 1) ^ EXPREGS[1]);
else if (A == 0x0800)
setchr2(0x0800,(V >> 1) | ((EXPREGS[2] & 0x40) << 1));
else if (A == 0x1000)
setchr4(0x1000, EXPREGS[2] & 0x3F);
}
static DECLFW(UNLBMW8544ProtWrite) {
if(!(A & 1)) {
EXPREGS[0] = V;
FixMMC3PRG(MMC3_cmd);
}
}
static DECLFR(UNLBMW8544ProtRead) {
if(!fceuindbg) {
if(!(A & 1)) {
if((EXPREGS[0] & 0xE0) == 0xC0) {
EXPREGS[1] = ARead[0x6a](0x6a); // program can latch some data from the BUS, but I can't say how exactly,
} else { // without more euipment and skills ;) probably here we can try to get any write
EXPREGS[2] = ARead[0xff](0xff); // before the read operation
}
FixMMC3CHR(MMC3_cmd & 0x7F); // there are more different behaviour of the board isn't used by game itself, so unimplemented here and
} // actually will break the current logic ;)
}
return 0;
}
static void UNLBMW8544Power(void) {
GenMMC3Power();
SetWriteHandler(0x6000, 0x6FFF, UNLBMW8544ProtWrite);
SetReadHandler(0x6000, 0x6FFF, UNLBMW8544ProtRead);
}
void UNLBMW8544_Init(CartInfo *info) {
GenMMC3_Init(info, 128, 256, 0, 0);
pwrap = UNLBMW8544PW;
cwrap = UNLBMW8544CW;
info->Power = UNLBMW8544Power;
AddExState(EXPREGS, 3, 0, "EXPR");
}

62
source/fceultra/boards/F-15.cpp Normal file
View File

@ -0,0 +1,62 @@
/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2015 CaH4e3
*
* 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
*
* BMC F-15 PCB (256+266 MMC3 based, with 16/32Kb banking discrete logic)
* 150-in-1 Unchaied Melody FIGHT version with system test (START+SELECT)
*
* CHR - MMC3 stock regs
* PRG - MMC3 regs disabled, area 6000-7FFF used instead
* 011xxxxxxxxxxxxx addr mask,
* ----APPp reg bits mask
* A - higher 128K PRG bank select/32K bank mode override
* PP - bank number in 32K mode
* PPp - bank number in 16K mode
* initial state of extra regs is undefined, A001 enables/disables the 6000 area
*/
#include "mapinc.h"
#include "mmc3.h"
static void BMCF15PW(uint32 A, uint8 V) {
uint32 bank = EXPREGS[0] & 0xF;
uint32 mode = (EXPREGS[0] & 8) >> 3;
uint32 mask = ~(mode);
setprg16(0x8000, (bank & mask));
setprg16(0xC000, (bank & mask) | mode);
}
static DECLFW(BMCF15Write) {
if (A001B & 0x80) {
EXPREGS[0] = V & 0xF;
FixMMC3PRG(MMC3_cmd);
}
}
static void BMCF15Power(void) {
GenMMC3Power();
SetWriteHandler(0x6000, 0x7FFF, BMCF15Write);
SetWriteHandler(0x6000, 0x7FFF, BMCF15Write);
}
void BMCF15_Init(CartInfo *info) {
GenMMC3_Init(info, 256, 256, 0, 0);
pwrap = BMCF15PW;
info->Power = BMCF15Power;
AddExState(EXPREGS, 1, 0, "EXPR");
}

270
source/fceultra/boards/cheapocabra.cpp Normal file
View File

@ -0,0 +1,270 @@
/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2002 Xodnizel
*
* 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
*/
// mapper 111 - Cheapocabra board by Memblers
// http://forums.nesdev.com/viewtopic.php?p=146039
//
// 512k PRG-ROM in 32k pages (flashable if battery backed is specified)
// 32k CHR-ROM used as:
// 2 x 8k pattern pages
// 2 x 8k nametable pages
//
// Notes:
// - CHR-RAM for nametables maps to $3000-3FFF as well, but FCEUX internally mirrors to 4k?
#include "mapinc.h"
#include "../ines.h"
static uint8 reg;
static uint8 *CHRRAM = NULL;
const uint32 CHRRAMSIZE = 1024 * 32;
static bool flash = false;
static uint8 flash_mode;
static uint8 flash_sequence;
static uint8 flash_id;
static uint8 *FLASHROM = NULL;
const uint32 FLASHROMSIZE = 1024 * 512;
static SFORMAT StateRegs[] =
{
{ &reg, 1, "REG" },
{ 0 }
};
static SFORMAT FlashRegs[] =
{
{ &flash_mode, 1, "FMOD" },
{ &flash_sequence, 1, "FSEQ" },
{ &flash_id, 1, "FMID" },
{ 0 }
};
static void Sync(void) {
// bit 7 controls green LED
// bit 6 controls red LED
int nt = (reg & 0x20) ? 8192 : 0; // bit 5 controls 8k nametable page
int chr = (reg & 0x10) ? 1 : 0; // bit 4 selects 8k CHR page
int prg = (reg & 0x0F); // bits 0-3 select 32k PRG page
nt += (16 * 1024);
for (int n=0; n<4; ++n)
{
setntamem(CHRRAM + nt + (1024 * n),1,n);
}
setchr8r(0x10, chr);
uint32 prg_chip = flash ? 0x10 : 0;
setprg32r(prg_chip,0x8000,prg);
}
static DECLFW(M111Write) {
if ((A >= 0x5000 && A <= 0x5FFF) || (A >= 0x7000 && A <= 0x7FFF))
{
reg = V;
Sync();
}
}
static DECLFR(M111FlashID)
{
// Software ID mode is undefined by the datasheet for all but the lowest 2 addressable bytes,
// but some tests of the chip currently being used found it repeats in 512-byte patterns.
// http://forums.nesdev.com/viewtopic.php?p=178728#p178728
uint32 aid = A & 0x1FF;
switch (aid)
{
case 0: return 0xBF;
case 1: return 0xB7;
default: return 0xFF;
}
}
void M111FlashIDEnter()
{
if (flash_id) return;
flash_id = 1;
SetReadHandler(0x8000,0xFFFF,M111FlashID);
}
void M111FlashIDExit()
{
if (!flash_id) return;
flash_id = 0;
SetReadHandler(0x8000,0xFFFF,CartBR);
}
static DECLFW(M111Flash) {
if (A < 0x8000 || A > 0xFFFF) return;
uint32 flash_addr = ((reg & 0x0F) << 15) | (A & 0x7FFF);
uint32 command_addr = flash_addr & 0x7FFF;
enum
{
FLASH_MODE_READY = 0,
FLASH_MODE_COMMAND,
FLASH_MODE_BYTE_WRITE,
FLASH_MODE_ERASE,
};
switch (flash_mode)
{
default:
case FLASH_MODE_READY:
if (command_addr == 0x5555 && V == 0xAA)
{
flash_mode = FLASH_MODE_COMMAND;
flash_sequence = 0;
}
else if (V == 0xF0)
{
M111FlashIDExit();
}
break;
case FLASH_MODE_COMMAND:
if (flash_sequence == 0)
{
if (command_addr == 0x2AAA && V == 0x55)
flash_sequence = 1;
else
flash_mode = FLASH_MODE_READY;
}
else if (flash_sequence == 1)
{
if (command_addr == 0x5555)
{
flash_sequence = 0;
switch (V)
{
default: flash_mode = FLASH_MODE_READY; break;
case 0xA0: flash_mode = FLASH_MODE_BYTE_WRITE; break;
case 0x80: flash_mode = FLASH_MODE_ERASE; break;
case 0x90: M111FlashIDEnter(); flash_mode = FLASH_MODE_READY; break;
case 0xF0: M111FlashIDExit(); flash_mode = FLASH_MODE_READY; break;
}
}
else
flash_mode = FLASH_MODE_READY;
}
else
flash_mode = FLASH_MODE_READY; // should be unreachable
break;
case FLASH_MODE_BYTE_WRITE:
FLASHROM[flash_addr] &= V;
flash_mode = FLASH_MODE_READY;
break;
case FLASH_MODE_ERASE:
if (flash_sequence == 0)
{
if (command_addr == 0x5555 && V == 0xAA)
flash_sequence = 1;
else
flash_mode = FLASH_MODE_READY;
}
else if (flash_sequence == 1)
{
if (command_addr == 0x2AAA && V == 0x55)
flash_sequence = 2;
else
flash_mode = FLASH_MODE_READY;
}
else if (flash_sequence == 2)
{
if (command_addr == 0x5555 && V == 0x10) // erase chip
{
memset(FLASHROM, 0xFF, FLASHROMSIZE);
}
else if (V == 0x30) // erase 4k sector
{
uint32 sector = flash_addr & 0x7F000;
memset(FLASHROM + sector, 0xFF, 1024 * 4);
}
flash_mode = FLASH_MODE_READY;
}
else
flash_mode = FLASH_MODE_READY; // should be unreachable
break;
}
}
static void M111Power(void) {
reg = 0xFF;
Sync();
SetReadHandler(0x8000, 0xffff, CartBR);
SetWriteHandler(0x5000, 0x5fff, M111Write);
SetWriteHandler(0x7000, 0x7fff, M111Write);
if (flash)
{
flash_mode = 0;
flash_sequence = 0;
flash_id = false;
SetWriteHandler(0x8000, 0xFFFF, M111Flash);
}
}
static void M111Close(void) {
if (CHRRAM)
FCEU_gfree(CHRRAM);
CHRRAM = NULL;
if (FLASHROM)
FCEU_gfree(FLASHROM);
FLASHROM = NULL;
}
static void StateRestore(int version) {
Sync();
}
void Mapper111_Init(CartInfo *info) {
info->Power = M111Power;
info->Close = M111Close;
CHRRAM = (uint8*)FCEU_gmalloc(CHRRAMSIZE);
SetupCartCHRMapping(0x10, CHRRAM, CHRRAMSIZE, 1);
GameStateRestore = StateRestore;
AddExState(&StateRegs, ~0, 0, 0);
AddExState(CHRRAM, CHRRAMSIZE, 0, "CRAM");
flash = (info->battery != 0);
if (flash)
{
FLASHROM = (uint8*)FCEU_gmalloc(FLASHROMSIZE);
info->SaveGame[0] = FLASHROM;
info->SaveGameLen[0] = FLASHROMSIZE;
AddExState(FLASHROM, FLASHROMSIZE, 0, "FROM");
AddExState(&FlashRegs, ~0, 0, 0);
// copy PRG ROM into FLASHROM, use it instead of PRG ROM
const uint32 PRGSIZE = ROM_size * 16 * 1024;
for (uint32 w=0, r=0; w<FLASHROMSIZE; ++w)
{
FLASHROM[w] = ROM[r];
++r;
if (r >= PRGSIZE) r = 0;
}
SetupCartPRGMapping(0x10, FLASHROM, FLASHROMSIZE, 0);
}
}

83
source/fceultra/boards/eh8813a.cpp Normal file
View File

@ -0,0 +1,83 @@
/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2015 CaH4e3
*
* 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"
static uint16 addrlatch;
static uint8 datalatch, hw_mode;
static SFORMAT StateRegs[] =
{
{ &addrlatch, 2, "ADRL" },
{ &datalatch, 1, "DATL" },
{ &hw_mode, 1, "HWMO" },
{ 0 }
};
static void Sync(void) {
uint8 prg = (addrlatch & 7);
setchr8(datalatch);
if(addrlatch & 0x80) {
setprg16(0x8000,prg);
setprg16(0xC000,prg);
} else {
setprg32(0x8000,prg >> 1);
}
setmirror(MI_V);
}
static DECLFW(EH8813AWrite) {
if((addrlatch & 0x100) == 0) {
addrlatch = A & 0x1FF;
datalatch = V & 0xF;
}
Sync();
}
static DECLFR(EH8813ARead) {
if (addrlatch & 0x40)
A= (A & 0xFFF0) + hw_mode;
return CartBR(A);
}
static void EH8813APower(void) {
addrlatch = datalatch = hw_mode = 0;
Sync();
SetReadHandler(0x8000, 0xFFFF, EH8813ARead);
SetWriteHandler(0x8000, 0xFFFF, EH8813AWrite);
}
static void EH8813AReset(void) {
addrlatch = datalatch = 0;
hw_mode = (hw_mode + 1) & 0xF;
FCEU_printf("Hardware Switch is %01X\n", hw_mode);
Sync();
}
static void StateRestore(int version) {
Sync();
}
void UNLEH8813A_Init(CartInfo *info) {
info->Reset = EH8813AReset;
info->Power = EH8813APower;
GameStateRestore = StateRestore;
AddExState(&StateRegs, ~0, 0, 0);
}

103
source/fceultra/boards/et-100.cpp Normal file
View File

@ -0,0 +1,103 @@
/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2015 Cluster
* http://clusterrr.com
* clusterrr@clusterrr.com
*
* 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
*/
/*
MMC3-based multicart mapper with CHR RAM, CHR ROM and PRG RAM
$6000-7FFF: A~[011xxxxx xxMRSBBB] Multicart reg
This register can only be written to if PRG-RAM is enabled and writable (see $A001)
and BBB = 000 (power on state)
BBB = CHR+PRG block select bits (A19, A18, A17 for both PRG and CHR)
S = PRG block size (0=256k 1=128k)
R = CHR mode (0=CHR ROM 1=CHR RAM)
M = CHR block size (0=256k 1=128k)
ignored when S is 0 for some reason
Example Game:
--------------------------
6 in 1 multicart (SMB3, TMNT2, Contra, Ninja Cat, Ninja Crusaders, Rainbow Islands 2)
*/
#include "mapinc.h"
#include "mmc3.h"
static uint8 *CHRRAM;
static uint32 CHRRAMSize;
static void BMC1024CA1PW(uint32 A, uint8 V) {
if ((EXPREGS[0]>>3)&1)
setprg8(A, (V&0x1F) | ((EXPREGS[0] & 7) << 4));
else
setprg8(A, (V&0x0F) | ((EXPREGS[0] & 7) << 4));
}
static void BMC1024CA1CW(uint32 A, uint8 V) {
if ((EXPREGS[0]>>4)&1)
setchr1r(0x10, A, V);
else if (((EXPREGS[0]>>5)&1) && ((EXPREGS[0]>>3)&1))
setchr1(A, V | ((EXPREGS[0] & 7) << 7));
else
setchr1(A, (V&0x7F) | ((EXPREGS[0] & 7) << 7));
}
static DECLFW(BMC1024CA1Write) {
if (((A001B & 0xC0) == 0x80) && !(EXPREGS[0] & 7))
{
EXPREGS[0] = A & 0x3F;
FixMMC3PRG(MMC3_cmd);
FixMMC3CHR(MMC3_cmd);
} else {
CartBW(A, V);
}
}
static void BMC1024CA1Reset(void) {
EXPREGS[0] = 0;
MMC3RegReset();
}
static void BMC1024CA1Power(void) {
EXPREGS[0] = 0;
GenMMC3Power();
SetWriteHandler(0x6000, 0x7FFF, BMC1024CA1Write);
}
static void BMC1024CA1Close(void) {
if (CHRRAM)
FCEU_gfree(CHRRAM);
CHRRAM = NULL;
}
void BMC1024CA1_Init(CartInfo *info) {
GenMMC3_Init(info, 256, 256, 8, 0);
CHRRAMSize = 8192;
CHRRAM = (uint8*)FCEU_gmalloc(CHRRAMSize);
SetupCartCHRMapping(0x10, CHRRAM, CHRRAMSize, 1);
AddExState(CHRRAM, CHRRAMSize, 0, "CHRR");
pwrap = BMC1024CA1PW;
cwrap = BMC1024CA1CW;
info->Power = BMC1024CA1Power;
info->Reset = BMC1024CA1Reset;
info->Close = BMC1024CA1Close;
AddExState(EXPREGS, 1, 0, "EXPR");
}

119
source/fceultra/boards/et-4320.cpp Normal file
View File

@ -0,0 +1,119 @@
/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2016 Cluster
* http://clusterrr.com
* clusterrr@clusterrr.com
*
* 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
*/
/*
MMC3-based multicart mapper with CHR RAM, CHR ROM and PRG RAM
$6000-7FFF: A~[011xxxxx xxMRSBBB] Multicart reg
This register can only be written to if PRG-RAM is enabled and writable (see $A001)
and BBB = 000 (power on state)
BBB = CHR+PRG block select bits (A19, A18, A17 for both PRG and CHR)
S = PRG block size & mirroring mode (0=128k with normal MMC3, 1=256k with TxSROM-like single-screen mirroring)
R = CHR mode (0=CHR ROM 1=CHR RAM)
M = CHR block size (0=256k 1=128k)
ignored when S is 0 for some reason
Example Game:
--------------------------
7 in 1 multicart (Amarello, TMNT2, Contra, Ninja Cat, Ninja Crusaders, Rainbow Islands 2)
*/
#include "mapinc.h"
#include "mmc3.h"
static uint8 *CHRRAM;
static uint32 CHRRAMSize;
static uint8 PPUCHRBus;
static uint8 TKSMIR[8];
static void BMC810131C_PW(uint32 A, uint8 V) {
if ((EXPREGS[0] >> 3) & 1)
setprg8(A, (V & 0x1F) | ((EXPREGS[0] & 7) << 4));
else
setprg8(A, (V & 0x0F) | ((EXPREGS[0] & 7) << 4));
}
static void BMC810131C_CW(uint32 A, uint8 V) {
if ((EXPREGS[0] >> 4) & 1)
setchr1r(0x10, A, V);
else if (((EXPREGS[0] >> 5) & 1) && ((EXPREGS[0] >> 3) & 1))
setchr1(A, V | ((EXPREGS[0] & 7) << 7));
else
setchr1(A, (V & 0x7F) | ((EXPREGS[0] & 7) << 7));
TKSMIR[A >> 10] = V >> 7;
if (((EXPREGS[0] >> 3) & 1) && (PPUCHRBus == (A >> 10)))
setmirror(MI_0 + (V >> 7));
}
static DECLFW(BMC810131C_Write) {
if (((A001B & 0xC0) == 0x80) && !(EXPREGS[0] & 7))
{
EXPREGS[0] = A & 0x3F;
FixMMC3PRG(MMC3_cmd);
FixMMC3CHR(MMC3_cmd);
}
else {
CartBW(A, V);
}
}
static void BMC810131C_Reset(void) {
EXPREGS[0] = 0;
MMC3RegReset();
}
static void BMC810131C_Power(void) {
EXPREGS[0] = 0;
GenMMC3Power();
SetWriteHandler(0x6000, 0x7FFF, BMC810131C_Write);
}
static void BMC810131C_Close(void) {
if (CHRRAM)
FCEU_gfree(CHRRAM);
CHRRAM = NULL;
}
static void TKSPPU(uint32 A) {
A &= 0x1FFF;
A >>= 10;
PPUCHRBus = A;
if ((EXPREGS[0] >> 3) & 1)
setmirror(MI_0 + TKSMIR[A]);
}
void BMC810131C_Init(CartInfo *info) {
GenMMC3_Init(info, 256, 256, 8, 0);
CHRRAMSize = 8192;
CHRRAM = (uint8*)FCEU_gmalloc(CHRRAMSize);
SetupCartCHRMapping(0x10, CHRRAM, CHRRAMSize, 1);
AddExState(CHRRAM, CHRRAMSize, 0, "CHRR");
pwrap = BMC810131C_PW;
cwrap = BMC810131C_CW;
PPU_hook = TKSPPU;
info->Power = BMC810131C_Power;
info->Reset = BMC810131C_Reset;
info->Close = BMC810131C_Close;
AddExState(EXPREGS, 1, 0, "EXPR");
}

177
source/fceultra/boards/hp10xx_hp20xx.cpp Normal file
View File

@ -0,0 +1,177 @@
/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2017 CaH4e3
*
* 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
*
* HP10xx/HP20xx - a simplified version of FK23C mapper with pretty strict and better
* organized banking behaviour. It seems that some 176 mapper assigned game may be
* actually this kind of board instead but in common they aren't compatible at all,
* the games on the regular FK23C boards couldn't run on this mapper and vice versa...
*
*/
#include "mapinc.h"
#include "mmc3.h"
#include "../ines.h"
static uint8 unromchr, lock;
static uint32 dipswitch;
static void BMCHPxxCW(uint32 A, uint8 V)
{
if(EXPREGS[0]&4) { // custom banking
switch(EXPREGS[0]&3) {
case 0:
case 1:
setchr8(EXPREGS[2]&0x3F);
// FCEU_printf("\tCHR8 %02X\n",EXPREGS[2]&0x3F);
break;
case 2:
setchr8((EXPREGS[2]&0x3E)|(unromchr&1));
// FCEU_printf("\tCHR8 %02X\n",(EXPREGS[2]&0x3E)|(unromchr&1));
break;
case 3:
setchr8((EXPREGS[2]&0x3C)|(unromchr&3));
// FCEU_printf("\tCHR8 %02X\n",(EXPREGS[2]&0x3C)|(unromchr&3));
break;
}
} else { // mmc3 banking
int base, mask;
if(EXPREGS[0]&1) { // 128K mode
base=EXPREGS[2]&0x30;
mask=0x7F;
} else { // 256K mode
base=EXPREGS[2]&0x20;
mask=0xFF;
}
// FCEU_printf("\tCHR1 %04x:%02X\n",A,(V&mask)|(base<<3));
setchr1(A,(V&mask)|(base<<3));
}
}
//PRG wrapper
static void BMCHPxxPW(uint32 A, uint8 V)
{
if(EXPREGS[0]&4) { // custom banking
if((EXPREGS[0]&0xF)==4) { // 16K mode
// FCEU_printf("\tPRG16 %02X\n",EXPREGS[1]&0x1F);
setprg16(0x8000,EXPREGS[1]&0x1F);
setprg16(0xC000,EXPREGS[1]&0x1F);
} else { // 32K modes
// FCEU_printf("\tPRG32 %02X\n",(EXPREGS[1]&0x1F)>>1);
setprg32(0x8000,(EXPREGS[1]&0x1F)>>1);
}
} else { // mmc3 banking
int base, mask;
if(EXPREGS[0]&2) { // 128K mode
base=EXPREGS[1]&0x18;
mask=0x0F;
} else { // 256K mode
base=EXPREGS[1]&0x10;
mask=0x1F;
}
// FCEU_printf("\tPRG8 %02X\n",(V&mask)|(base<<1));
setprg8(A,(V&mask)|(base<<1));
setprg8r(0x10,0x6000,A001B&3);
}
}
//MIRROR wrapper
static void BMCHPxxMW(uint8 V) {
if(EXPREGS[0]&4) { // custom banking
// FCEU_printf("CUSTOM MIRR: %d\n",(unromchr>>2)&1);
setmirror(((unromchr>>2)&1)^1);
} else { // mmc3 banking
// FCEU_printf("MMC3 MIRR: %d\n",(V&1)^1);
A000B = V;
setmirror((A000B & 1) ^ 1);
}
}
//PRG handler ($8000-$FFFF)
static DECLFW(BMCHPxxHiWrite)
{
// FCEU_printf("HI WRITE %04X:%02X\n",A,V);
if(EXPREGS[0]&4) { // custom banking
// FCEU_printf("CUSTOM\n");
unromchr=V;
FixMMC3CHR(MMC3_cmd);
} else { // mmc3 banking
// FCEU_printf("MMC3\n");
if(A<0xC000) {
MMC3_CMDWrite(A,V);
FixMMC3PRG(MMC3_cmd);
FixMMC3CHR(MMC3_cmd);
} else {
MMC3_IRQWrite(A,V);
}
}
}
//EXP handler ($5000-$5FFF)
static DECLFW(BMCHPxxWrite)
{
if(!lock) {
// FCEU_printf("LO WRITE %04X:%02X\n",A,V);
EXPREGS[A&3]=V;
lock=V&0x80;
FixMMC3PRG(MMC3_cmd);
FixMMC3CHR(MMC3_cmd);
}
}
static DECLFR(BMCHPxxRead) {
return dipswitch;
}
static void BMCHPxxReset(void)
{
dipswitch++;
dipswitch&=0xF;
lock=0;
// FCEU_printf("BMCHPxx dipswitch set to %d\n",dipswitch);
EXPREGS[0]=EXPREGS[1]=EXPREGS[2]=EXPREGS[3]=0;
MMC3RegReset();
FixMMC3PRG(MMC3_cmd);
FixMMC3CHR(MMC3_cmd);
}
static void BMCHPxxPower(void)
{
GenMMC3Power();
dipswitch=lock=0;
EXPREGS[0]=EXPREGS[1]=EXPREGS[2]=EXPREGS[3]=0;
FixMMC3PRG(MMC3_cmd);
FixMMC3CHR(MMC3_cmd);
SetReadHandler(0x5000,0x5fff,BMCHPxxRead);
SetWriteHandler(0x5000,0x5fff,BMCHPxxWrite);
SetWriteHandler(0x8000,0xffff,BMCHPxxHiWrite);
}
void BMCHPxx_Init(CartInfo *info)
{
GenMMC3_Init(info, 256, 256, 8, 0);
cwrap=BMCHPxxCW;
pwrap=BMCHPxxPW;
mwrap=BMCHPxxMW;
info->Power=BMCHPxxPower;
info->Reset=BMCHPxxReset;
AddExState(EXPREGS, 8, 0, "EXPR");
AddExState(&unromchr, 1, 0, "UCHR");
AddExState(&dipswitch, 1, 0, "DPSW");
AddExState(&lock, 1, 0, "LOCK");
}

69
source/fceultra/boards/hp898f.cpp Normal file
View File

@ -0,0 +1,69 @@
/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2015 CaH4e3
*
* 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"
static uint8 regs[2];
static SFORMAT StateRegs[] =
{
{ regs, 2, "REGS" },
{ 0 }
};
static void Sync(void) {
uint8 chr = (regs[0] >> 4) & 7;
uint8 prg = (regs[1] >> 3) & 7;
uint8 dec = (regs[1] >> 4) & 4;
setchr8(chr & (~(((regs[0] & 1) << 2) | (regs[0] & 2))));
setprg16(0x8000,prg & (~dec));
setprg16(0xC000,prg | dec);
setmirror(regs[1] >> 7);
}
static DECLFW(HP898FWrite) {
if((A & 0x6000) == 0x6000) {
regs[(A & 4) >> 2] = V;
Sync();
}
}
static void HP898FPower(void) {
regs[0] = regs[1] = 0;
Sync();
SetReadHandler(0x8000, 0xFFFF, CartBR);
SetWriteHandler(0x6000, 0xFFFF, HP898FWrite);
}
static void HP898FReset(void) {
regs[0] = regs[1] = 0;
Sync();
}
static void StateRestore(int version) {
Sync();
}
void BMCHP898F_Init(CartInfo *info) {
info->Reset = HP898FReset;
info->Power = HP898FPower;
GameStateRestore = StateRestore;
AddExState(&StateRegs, ~0, 0, 0);
}

85
source/fceultra/boards/ks7016.cpp Normal file
View File

@ -0,0 +1,85 @@
/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2016 CaH4e3
*
* 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
*
* FDS Conversion (Exciting Basket), weird banking addressing, seems because
* of used addressing scheme, made to disable the lower system banks from 6000
* but the kaiser mapper chip and PCB are the same as usual
* probably need a hard eprom dump to verify actual banks layout
*
*/
#include "mapinc.h"
static uint8 preg;
static SFORMAT StateRegs[] =
{
{ &preg, 1, "PREG" },
{ 0 }
};
static void Sync(void) {
setprg8(0x6000, preg);
setprg8(0x8000, 0xC);
setprg8(0xA000, 0xD);
setprg8(0xC000, 0xE);
setprg8(0xE000, 0xF);
setchr8(0);
}
static DECLFW(UNLKS7016Write) {
u16 mask = (A & 0x30);
switch(A & 0xD943) {
case 0xD943: {
if(mask == 0x30) {
preg = 8 | 3; // or A, or no bus (all FF)
} else {
preg = (A >> 2) & 0xF; // can be anything but C-F
}
Sync();
break;
}
case 0xD903: { // this case isn't usedby the game, but addressing does this as a side effect
if(mask == 0x30) {
preg = 8 | ((A >> 2) & 3); // also masked C-F from output
} else {
preg = 8 | 3;
}
Sync();
break;
}
}
}
static void UNLKS7016Power(void) {
preg = 8;
Sync();
SetReadHandler(0x6000, 0xffff, CartBR);
SetWriteHandler(0x8000, 0xffff, UNLKS7016Write);
}
static void StateRestore(int version) {
Sync();
}
void UNLKS7016_Init(CartInfo *info) {
info->Power = UNLKS7016Power;
GameStateRestore = StateRestore;
AddExState(&StateRegs, ~0, 0, 0);
}

55
source/fceultra/boards/rt-01.cpp Normal file
View File

@ -0,0 +1,55 @@
/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2016 CaH4e3
*
* 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
*
* Test Ver. 1.01 Dlya Proverki TV Pristavok (RT-01, by SS aka Snake)
* A simple board with 16K PRG ROM + 2K CHR ROM with no mapper, hardwired mirroring
* PRG EPROM has copy protected areas with "weak bits", which is tested at some
* points of the program. Trying to simalate "weak bits" behaviour
*
*/
#include "mapinc.h"
extern u64 xoroshiro128plus_next(); // deterministic random
static DECLFR(UNLRT01Read) {
// u16 i, prot_areas[2][2] = {
// { 0x8E80, 0x8EFF },
// { 0xFE80, 0xFEFF },
// };
if(((A >= 0xCE80) && (A < 0xCF00)) ||
((A >= 0xFE80) && (A < 0xFF00))) {
return 0xF2 | (xoroshiro128plus_next() & 0x0D);
} else
return CartBR(A);
}
static void UNLRT01Power(void) {
setprg16(0x8000, 0);
setprg16(0xC000, 0);
setchr2(0x0000,0);
setchr2(0x0800,0);
setchr2(0x1000,0);
setchr2(0x1800,0);
SetReadHandler(0x8000, 0xFFFF, UNLRT01Read);
}
void UNLRT01_Init(CartInfo *info) {
info->Power = UNLRT01Power;
}

115
source/fceultra/input/snesmouse.cpp Normal file
View File

@ -0,0 +1,115 @@
/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2002 Xodnizel
*
* 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 <string.h>
#include <stdlib.h>
#include "share.h"
typedef struct {
bool strobe;
uint32 latch; // latched data (read when strobe goes high to low)
uint32 sensitivity; // reading while strobe is high cycles sensitivity 0,1,2
int32 dx, dy; // relative position to communicate
int32 mb; // current buttons
} SNES_MOUSE;
static SNES_MOUSE SNESMouse;
static uint8 ReadSNESMouse(int w)
{
if (SNESMouse.strobe)
{
SNESMouse.sensitivity += 1;
if (SNESMouse.sensitivity > 2) SNESMouse.sensitivity = 0;
}
uint8 result = (SNESMouse.latch & 0x80000000) >> 31;
SNESMouse.latch = (SNESMouse.latch << 1);
return result;
}
static void WriteSNESMouse(uint8 v)
{
bool strobing = v & 1;
if (SNESMouse.strobe && !strobing)
{
int dx = SNESMouse.dx;
int dy = SNESMouse.dy;
SNESMouse.dx = 0;
SNESMouse.dy = 0;
// convert to sign and magnitude
bool sx = (dx < 0);
bool sy = (dy < 0);
if (dx < 0) dx = -dx;
if (dy < 0) dy = -dy;
// apply sensitivity
dx += dx >> (2 - SNESMouse.sensitivity);
dx += dx >> (2 - SNESMouse.sensitivity);
// clamp
if (dx > 127) dx = 127;
if (dy > 127) dy = 127;
//FCEU_printf("SNES Mouse: %1d %3d, %1d %3d %1d x%1d\n",sx,dx,sy,dy,SNESMouse.mb,SNESMouse.sensitivity);
uint8 byte0 = 0x00;
uint8 byte1 =
0x1 | // signature
((SNESMouse.sensitivity & 3) << 4) | // sensitivity
((SNESMouse.mb & 3) << 6); // buttons
uint8 byte2 = uint8(dy) | (sy ? 0x80 : 0x00);
uint8 byte3 = uint8(dx) | (sx ? 0x80 : 0x00);
SNESMouse.latch = (byte0 << 24) | (byte1 << 16) | (byte2 << 8) | (byte3 << 0);
}
SNESMouse.strobe = strobing;
}
static void UpdateSNESMouse(int w, void *data, int arg)
{
int32 *ptr=(int32*)data;
SNESMouse.dx += ptr[0]; ptr[0] = 0;
SNESMouse.dy += ptr[1]; ptr[1] = 0;
SNESMouse.mb = ptr[2] & 3; // bit 0 = left button, bit 1 = right button
}
static INPUTC SNES_MOUSEC =
{
ReadSNESMouse, // Read
WriteSNESMouse, // Write
0, // Strobe (handled by Write)
UpdateSNESMouse, // Update
0, // SLHook
0, // Draw
0, // Log
0, // Load
};
INPUTC *FCEU_InitSNESMouse(int w)
{
memset(&SNESMouse,0,sizeof(SNESMouse));
return(&SNES_MOUSEC);
}