Mapper 468: use the modularized ASIC cores.

This commit is contained in:
NewRisingSun
2025-09-07 00:32:28 +02:00
parent 399daf7a61
commit 5744764e24
26 changed files with 756 additions and 1168 deletions

View File

@@ -25,7 +25,7 @@
static uint8 submapper;
static uint8 reg;
static uint8 init; /* Games switch between ASICs expecting registers to keep their value, so initialize each ASIC only on the first switch and use this bitfield */
static uint8 init; /* Games switch between ASICs expecting registers to keep their value, so initialize each ASIC only on the first switch and use this bitfield to track it */
static uint8 game;
static SFORMAT stateRegs[] = {

View File

@@ -23,7 +23,7 @@
#include "asic_vrc2and4.h"
static uint8 reg;
static uint8 init; /* Games switch between ASICs expecting registers to keep their value, so initialize each ASIC only on the first switch and use this bitfield */
static uint8 init; /* Games switch between ASICs expecting registers to keep their value, so initialize each ASIC only on the first switch and use this bitfield to track it */
static void applyMode (uint8);
static SFORMAT StateRegs[] = {

View File

@@ -22,7 +22,7 @@
#include "asic_h3001.h"
#include "asic_latch.h"
#include "asic_mmc1.h"
#include "asic_mmc2.h"
#include "asic_mmc2and4.h"
#include "asic_mmc3.h"
#include "asic_pt8154.h"
#include "asic_qj.h"
@@ -37,7 +37,6 @@
static uint8 submapper;
static uint8 reg[8];
static void (*mapperSync)(int, int, int, int) = NULL;
static void applyMode (uint8);
@@ -118,8 +117,8 @@ static void sync_H3001 (int prgAND, int prgOR, int chrAND, int chrOR) {
static void sync_PNROM (int prgAND, int prgOR, int chrAND, int chrOR) {
MMC2_syncPRG(prgAND, prgOR &~prgAND);
MMC2_syncCHR(chrAND, chrOR &~chrAND);
MMC2_syncMirror();
MMC24_syncCHR(chrAND, chrOR &~chrAND);
MMC24_syncMirror();
}
static void sync_SKROM (int prgAND, int prgOR, int chrAND, int chrOR) {
@@ -344,7 +343,7 @@ static void applyMode (uint8 clear) {
break;
case 0x109:
mapperSync = sync_PNROM;
MMC2_activate(clear, sync);
MMC24_activate(clear, sync);
break;
case 0x10A: case 0x20A:
mapperSync = sync_TxROM;
@@ -404,7 +403,7 @@ void Mapper446_Init(CartInfo *info) {
H3001_addExState();
Latch_addExState();
MMC1_addExState();
MMC2_addExState();
MMC24_addExState();
MMC3_addExState();
VRC1_addExState();
VRC24_addExState();

View File

@@ -7,7 +7,7 @@
* 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
@@ -18,93 +18,40 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/* BlazePro CPLD-based multicarts
Unsolved issue: how is CHR RAM write-protection triggered?
Known problems:
Forever Duo of NES 852-in-1 (rev1):
#A370 Time Lord: Hangs with glitchy status bar on NTSC and PAL but not Dendy
#A133 Galactic Crusader: Wrong mirroring
#A249 Mission Cobra: Wrong mirroring
Legendary Games of NES 509-in-1:
#189 Huang Di Battle of Zhuolu: Wrong mirroring during intro
#227 Kid Niki Niki 2: Title screen animation flickers and looks strange
#234 Klax: Screen in wrong position during options screen
#365 Rocman X: Graphical garbage in waterfall (middle) level
#403 Star Wars: Blank tiles due to lack of CHR RAM write-protection
#404 The Empire Strikes Back: Blank tiles due to lack of CHR RAM write-protection
#460 Twin Dragons: Wrong mirroring
Unlicensed Collection 142-in-1:
#59 Huang Di: Wrong mirroring during intro
#84 Ms. Pac-Man: Wrong mirroring
#102 Rocman X: Graphical garbage in waterfall (middle) level
#132 Trolls on Treasure Island: Wrong mirroring during map
Unreleased Collection 73-in-1 (v1.01):
#38 Holy Diver: Wrong mirroring during first scene
*/
#include "mapinc.h"
#include "state.h"
#include "asic_fme7.h"
#include "asic_latch.h"
#include "asic_mmc1.h"
#include "asic_mmc2and4.h"
#include "asic_mmc3.h"
#include "asic_vrc1.h"
#include "asic_vrc2and4.h"
#include "asic_vrc3.h"
#include "asic_vrc6.h"
#include "asic_vrc7.h"
#include "wram.h"
static uint8 submapper;
static uint8 eeprom[16], eep_clock, state, command, output; /* Some strange serial EEPROM */
static uint8 *WRAM;
static uint32 WRAMSIZE;
static uint8 reg[4]; /* Supervisor registers */
static uint8 Custom_reg[4]; /* Registers for custom mappers */
static uint8 eeprom[16], eep_clock, state, command, output; /* Serial EEPROM */
static int prevSFEXINDEX;
extern int SFEXINDEX;
extern SFORMAT SFMDATA[64];
static uint8 mapper; /* 5700 MSB >>4 OR'd with submapper <<4 */
static uint8 mapperFlags; /* 5700 LSB */
static uint8 misc; /* 5601 */
static uint8 misc2; /* 5702 */
static void (*sync)();
static uint16 prgOR;
static uint8 prgAND;
static uint8 regByte[16];
static int16 regWord[9];
#include "468_mmc1.h"
#include "468_mmc24.h"
#include "468_mmc3.h"
#include "468_vrc1.h"
#include "468_vrc24.h"
#include "468_vrc3.h"
#include "468_vrc6.h"
#include "468_vrc7.h"
#include "468_fme7.h"
#include "468_discrete.h"
#include "468_cnrom.h"
#include "468_if12.h"
#include "468_lf36.h"
#include "468_nanjing.h"
static void (*mapperSync)(int) = NULL;
static void applyMode (uint8);
static SFORMAT stateRegs[] = {
{ &mapper, 1, "SUP0" },
{ &mapperFlags, 1, "SUP1" },
{ &misc, 1, "SUP2" },
{ &misc2, 1, "SUP3" },
{ &prgOR, 2, "SUP4" },
{ &prgAND, 1, "SUP5" },
{ eeprom, 16,"EEPR" },
{ &eep_clock, 1, "EEP0" },
{ &state, 1, "EEP1" },
{ &command, 1, "EEP2" },
{ &output, 1, "EEP3" },
{ regByte, 16,"REGB" },
{ regWord, 16,"REGW" },
{ &reg, 4, "REGS" },
{ &Custom_reg, 4, "CURG" },
{ eeprom, 16, "EEPR" },
{ &eep_clock, 1, "EEP0" },
{ &state, 1, "EEP1" },
{ &command, 1, "EEP2" },
{ &output, 1, "EEP3" },
{ 0 }
};
static const uint16 lut509[512] ={ /* Strange look-up table, used only by Legendary Games of NES 509-in-1 */
/* Serial EEPROM */
static const uint16 lut509[512] = { /* Look-up table, used only by Legendary Games of NES 509-in-1 */
7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46,
47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 0, 1, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84,
85, 86, 87, 88, 89, 90, 4, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123,
@@ -122,151 +69,457 @@ static const uint16 lut509[512] ={ /* Strange look-up table, used only by Legend
void setPins(uint8 select, uint8 newClock, uint8 newData) { /* Serial EEPROM */
if (select)
state =0;
state = 0;
else
if (!eep_clock && !!newClock) {
if (state <8) {
command =command <<1 | !!(newData)*1;
if (++state ==8 && (command &0xF0) !=0x50 && (command &0xF0) !=0xA0) state =0;
command = command <<1 | !!(newData)*1;
if (++state == 8 && (command &0xF0) != 0x50 && (command &0xF0) != 0xA0) state = 0;
} else {
int mask =1 <<(15 -state);
int address =command &0x0F;
if ((command &0xF0) ==0xA0) {
eeprom[address] =eeprom[address] &~mask | !!(newData)*mask;
/* The "write" command also silently returns the content of a strange lookup table */
output =!!(lut509[eeprom[0] | eeprom[1] | eeprom[2] <<8 &0x1FF] >>(address &1? 0: 8) &mask);
int mask = 1 <<(15 -state);
int address = command &0x0F;
if ((command &0xF0) == 0xA0) {
eeprom[address] = eeprom[address] &~mask | !!(newData)*mask;
/* The "write" command also silently returns the content of a lookup table */
output = !!(lut509[eeprom[0] | eeprom[1] | eeprom[2] <<8 &0x1FF] >>(address &1? 0: 8) &mask);
} else
if ((command &0xF0) ==0x50)
output =!!(eeprom[address] &mask);
if (++state ==16) state =0;
if ((command &0xF0) == 0x50)
output = !!(eeprom[address] &mask);
if (++state == 16) state = 0;
}
}
eep_clock =newClock;
eep_clock = newClock;
}
static DECLFR(readReg);
static DECLFW(writeReg);
static void setMapper(uint8 clearRegs) {
int i;
if (clearRegs) {
for (i =0; i <16; i++) regByte[i] =0;
for (i =0; i < 8; i++) regWord[i] =0;
X6502_IRQEnd(FCEU_IQEXT);
}
SetReadHandler(0x5000, 0x5FFF, readReg);
SetReadHandler(0x6000, 0xFFFF, CartBR);
SetWriteHandler(0x5000, 0x5FFF, writeReg);
SetWriteHandler(0x6000, 0xFFFF, CartBW);
MapIRQHook = NULL;
PPU_hook = NULL;
GameHBIRQHook = NULL;
setprg8r(0x10, 0x6000, 0);
/* Mapper syncs */
static void sync () {
if (mapperSync) mapperSync(reg[submapper == 1? 2: 3] <<9 &0x2000 | reg[1] <<5 &0x1FE0 | reg[0] <<4 &0x0010);
}
switch(mapper) { /* 5700 MSB >>4 OR'd with submapper <<4 */
case 0x00: case 0x01: case 0x32: MMC1_reset(clearRegs); break;
case 0x0A: MMC2_reset(clearRegs); break;
case 0x10: case 0x11: case 0x12: MMC3_reset(clearRegs); break;
case 0x08: MMC4_reset(clearRegs); break;
case 0x40: VRC1_reset(clearRegs); break;
case 0x20: case 0x21: case 0x22: case 0x23: VRC24_reset(clearRegs); break;
case 0x44: VRC3_reset(clearRegs); break;
case 0x30: case 0x31: VRC6_reset(clearRegs); break;
case 0x41: VRC7_reset(clearRegs); break;
case 0x07: LF36_reset(clearRegs); break;
case 0x50: FME7_reset(clearRegs); break;
case 0x0E: case 0x1E: NANJING_reset(clearRegs); break;
case 0x09: case 0x0B: case 0x17: case 0x37: UNROM_IF12_reset(clearRegs); break;
case 0x04: case 0x06: case 0x14: case 0x16: ANROM_BNROM_reset(clearRegs); break;
case 0x05: case 0x15: CNROM_BF9097_reset(clearRegs); break;
case 0x0C: case 0x0D: case 0x1C: case 0x1D: GNROM_reset(clearRegs); break;
default: break;
static void sync_AxROM (int prgOR) {
int prgAND = reg[0] &0x20? 0x0F: reg[0] &0x02? 0x03: 0x07;
setprg32(0x8000, Latch_data &prgAND | prgOR >>2 &~prgAND);
setchr8(0);
setmirror(Latch_data &0x10? MI_1: MI_0);
}
static void sync_BxROM (int prgOR) {
int prgAND = reg[0] &0x20? 0x0F: reg[0] &0x02? 0x03: 0x07;
setprg32(0x8000, Latch_data &prgAND | prgOR >>2 &~prgAND);
setchr8(0);
setmirror(reg[0] &0x04? MI_H: MI_V);
}
static void sync_FME7 (int prgOR) {
int prgAND = reg[0] &0x02? 0x0F: 0x1F;
FME7_syncWRAM(0);
FME7_syncPRG(prgAND, prgOR &~prgAND);
FME7_syncCHR(0xFF, 0x00);
FME7_syncMirror();
}
static void sync_FxROM (int prgOR) {
int prgAND = reg[0] &0x02? 0x07: 0x0F;
MMC24_syncWRAM(0);
MMC4_syncPRG(prgAND, prgOR >>1 &~prgAND);
MMC24_syncCHR(0xFF, 0x00);
MMC24_syncMirror();
}
static void sync_GNROM (int prgOR) {
int prgAND = reg[0] &0x08? 0x01: 0x03;
int value = prgOR &0x2000 && submapper != 1? (Latch_data >>4 &0x0F | Latch_data <<4 &0xF0): Latch_data;
prgOR = prgOR >>2 | reg[0] >>1 &0x02;
setprg32(0x8000, value >>0 &prgAND | prgOR &~prgAND);
setchr8(value >>4);
setmirror(reg[0] &0x10? MI_H: MI_V);
}
static void sync_IF12 (int prgOR) {
int prgAND = reg[0] &0x02? 0x07: 0x0F;
setprg16(0x8000, Custom_reg[1] &prgAND | prgOR >>1 &~prgAND);
setprg16(0xC000, prgOR >>1 | prgAND);
setchr8(Custom_reg[0] >>1 &0x0F);
setmirror(Custom_reg[0] &0x01? MI_H: MI_V);
}
static void sync_LF36 (int prgOR) {
prgOR |= reg[0] &0x08;
setprg8(0x8000, 0x04 | prgOR);
setprg8(0xA000, 0x05 | prgOR);
setprg8(0xC000, Custom_reg[0] &0x07 | prgOR);
setprg8(0xE000, 0x07 | prgOR);
setchr8(0);
setmirror(reg[0] &0x04? MI_H: MI_V);
}
static void sync_Misc (int prgOR) {
if (reg[0] &0x02) {
setprg16(0x8000, Custom_reg[2] <<1 &0x0E | reg[0] &0x01 | prgOR >>1 &~0x0F);
setprg16(0xC000, Custom_reg[2] <<1 &0x0E | reg[0] &0x01 | prgOR >>1 &~0x0F);
setchr8(Custom_reg[0] &0x03);
} else {
setprg32(0x8000, Custom_reg[2] &0x07 | prgOR >>2 &~0x07);
setchr8(Custom_reg[0] &0x0F);
}
if (reg[0] &0x08)
setmirror(reg[0] &0x04? MI_H: MI_V);
else
setmirror(Custom_reg[1] &0x10? MI_1: MI_0);
}
static void sync_Nanjing (int prgOR) {
setprg32(0x8000, Custom_reg[2] <<4 &0x30 | Custom_reg[0] &0x0F | (Custom_reg[3] &0x04? 0x00: 0x03) | prgOR >>2);
setchr8(0);
setmirror(reg[0] &0x04? MI_H: MI_V);
}
static void sync_PNROM (int prgOR) {
MMC24_syncWRAM(0);
MMC2_syncPRG(0x0F, prgOR &~0x0F);
MMC24_syncCHR(0xFF, 0x00);
MMC24_syncMirror();
}
static void sync_SxROM (int prgOR) {
int prgAND = reg[0] &0x02? (reg[0] &0x08? 0x03: 0x07): 0x0F;
MMC1_syncWRAM(0);
MMC1_syncPRG(prgAND, (prgOR >>1 | reg[0] &0x06) &~prgAND);
MMC1_syncCHR(0x1F, 0x00);
MMC1_syncMirror();
}
static void sync_SUROM (int prgOR) {
MMC1_syncWRAM(0);
MMC1_syncPRG(0x1F, prgOR >>1 &~0x1F);
MMC1_syncCHR(0x0F, 0x00);
MMC1_syncMirror();
}
static void sync_TxROM (int prgOR) {
int prgAND = reg[0] &0x08? (reg[0] &0x04? (reg[0] &0x02? (reg[2] &0x02? 0x07: 0x0F): 0x1F): 0x3F): 0x7F;
prgOR |= reg[2] &0x01? 0x0C: 0x00;
MMC3_syncWRAM(0);
MMC3_syncPRG(prgAND, prgOR &~prgAND);
MMC3_syncCHR(reg[0] &0x10? 0xFF: 0x7F, 0x00);
MMC3_syncMirror();
}
static void sync_TxSROM (int prgOR) {
int prgAND = reg[0] &0x08? (reg[0] &0x04? (reg[0] &0x02? (reg[2] &0x02? 0x07: 0x0F): 0x1F): 0x3F): 0x7F;
prgOR |= reg[2] &0x01? 0x0C: 0x00;
MMC3_syncWRAM(0);
MMC3_syncPRG(prgAND, prgOR &~prgAND);
MMC3_syncCHR(0x7F, 0x00);
switch(MMC3_getMirroring() &3) { /* Only A000=02 is TxSROM. H/V mirroring is necessary for Ys 1, modified for MMC3. */
case 0:
setmirror(MI_V);
break;
case 1:
setmirror(MI_H);
break;
case 2:
setmirror(MMC3_getCHRBank(0) &0x80? MI_1: MI_0);
break;
case 3:
setmirror(MI_1);
break;
}
}
static void sync_UxROM (int prgOR) {
int prgAND = reg[0] &0x02? 0x07: 0x0F;
setprg16(0x8000, Latch_data &prgAND | prgOR >>1 &~prgAND);
setprg16(0xC000, prgOR >>1 | prgAND);
setchr8(0);
setmirror(reg[0] &0x04? MI_H: MI_V);
}
static void sync_UNROM512 (int prgOR) {
setprg16(0x8000, Latch_data &0x1F | prgOR >>1 &~0x1F);
setprg16(0xC000, prgOR >>1 | 0x1F);
setchr8(Latch_data >>5);
setmirror(reg[0] &0x04? MI_H: MI_V);
}
static void sync_VRC1 (int prgOR) {
int prgAND = reg[0] &0x08? (reg[0] &0x04? (reg[0] &0x02? 0x0F: 0x1F): 0x3F): 0x7F;
VRC1_syncPRG(prgAND, prgOR &~prgAND);
VRC1_syncCHR(0x1F, 0x00);
VRC1_syncMirror();
}
static void sync_VRC24 (int prgOR) {
int prgAND = reg[0] &0x02? 0x0F: 0x1F;
VRC24_syncWRAM(0);
VRC24_syncPRG(prgAND, prgOR &~prgAND);
VRC24_syncCHR(0xFF, 0x00);
VRC24_syncMirror();
}
static void sync_VRC3 (int prgOR) {
VRC3_syncWRAM(0);
VRC3_syncPRG(0x07, prgOR >>1 &~0x07);
VRC3_syncCHR(0x01, 0x00);
setmirror(reg[0] &0x04? MI_H: MI_V);
}
static void sync_VRC6 (int prgOR) {
int prgAND = reg[0] &0x02? 0x0F: 0x1F;
VRC6_syncWRAM(0);
VRC6_syncPRG(prgAND, prgOR &~prgAND);
VRC6_syncCHR(0xFF, 0x00);
VRC6_syncMirror();
}
static void sync_VRC7 (int prgOR) {
int prgAND = reg[0] &0x08? (reg[0] &0x04? (reg[0] &0x02? 0x0F: 0x1F): 0x3F): 0x7F;
VRC7_syncWRAM(0);
VRC7_syncPRG(prgAND, prgOR &~prgAND);
VRC7_syncCHR(0xFF, 0x00);
VRC7_syncMirror();
}
/* Mapper callbacks and handlers */
static int SUROM_getPRGBank(uint8 bank) {
return MMC1_getPRGBank(bank) | MMC1_getCHRBank(0) &0x10;
}
static DECLFW(IF12_writeReg) {
Custom_reg[A >>14 &1] = V;
sync();
}
void FP_FASTAPASS(1) LF36_cpuCycle (int a) {
while (a--) {
if (Custom_reg[1] &1) {
if (!++Custom_reg[2]) ++Custom_reg[3];
if (Custom_reg[3] &0x10)
X6502_IRQBegin(FCEU_IQEXT);
else
X6502_IRQEnd(FCEU_IQEXT);
} else {
Custom_reg[2] = Custom_reg[3] = 0;
X6502_IRQEnd(FCEU_IQEXT);
}
}
}
static DECLFW(LF36_writeReg) {
switch(A >>13 &3) {
case 0: case 1:
Custom_reg[1] = A >>13 &1;
break;
case 3:
Custom_reg[0] = V;
sync();
}
}
static DECLFW(Misc_writeReg) {
switch(A >>12 &7) {
case 0: case 2: case 3:
Custom_reg[0] = V;
sync();
break;
case 1:
Custom_reg[1] = V;
sync();
break;
case 6: case 7:
Custom_reg[2] = V;
sync();
break;
}
}
static void Nanjing_scanline (void) {
if (Custom_reg[0] &0x80 && scanline <239) {
setchr4(0x0000, scanline >= 127? 1: 0);
setchr4(0x1000, scanline >= 127? 1: 0);
} else
setchr8(0);
}
static DECLFW(Nanjing_writeReg) {
Custom_reg[A >>8 &3] = V;
sync();
}
/* Supervisor */
static DECLFR(readReg) {
switch(A) {
case 0x5301: case 0x5601:
return output? 0x80: 0x00;
default:
return 0xFF;
case 0x5301: case 0x5601:
return output? 0x80: 0x00;
default:
return 0xFF;
}
}
static DECLFW(writeReg) {
switch(A) {
case 0x5301:
if (submapper ==0) setPins(!!(V &0x04), !!(V &0x02), !!(V &0x01));
break;
case 0x5601:
if (~misc &0x80) {
misc =V;
if (submapper !=1) {
prgOR =prgOR &~0x2000 | V <<9 &0x2000;
case 0x5301:
if (submapper == 0) setPins(!!(V &0x04), !!(V &0x02), !!(V &0x01));
break;
case 0x5601:
if (submapper == 1) setPins(!!(V &0x10), !!(V &0x02), !!(V &0x01));
if (~reg[3] &0x80) {
reg[3] = V;
sync();
}
}
if (submapper ==1) setPins(!!(V &0x10), !!(V &0x02), !!(V &0x01));
break;
case 0x5700:
mapper =V >>4 | submapper <<4;
mapperFlags =V &0xF;
prgOR =prgOR &~0x0010 | V <<4 &0x0010;
setMapper(1);
break;
case 0x5701:
prgOR =prgOR &~0x1FE0 | V <<5 &0x1FE0;
sync();
break;
case 0x5702:
if (submapper ==1) {
misc2 =V;
prgOR =prgOR &~0x2000 | V <<9 &0x2000;
setMapper(0); /* The misc2 value is required for prgAND by MMC3 and UNROM */
}
break;
break;
case 0x5700:
reg[A &3] = V;
applyMode(1);
break;
case 0x5701: case 0x5702:
reg[A &3] = V;
sync();
break;
}
}
static void reset(void) {
mapper =submapper <<4;
mapperFlags =0x0F;
misc =0;
misc2 =0;
prgOR =0x7FF0;
eep_clock =command =output =1;
command =state =0;
setMapper(1);
static void applyMode (uint8 clear) {
MapIRQHook = NULL;
PPU_hook = NULL;
GameHBIRQHook = NULL;
SetReadHandler(0x5000, 0x5FFF, readReg);
SetReadHandler(0x6000, 0xFFFF, CartBR);
SetWriteHandler(0x5000, 0x5FFF, writeReg);
SetWriteHandler(0x6000, 0xFFFF, CartBW);
switch(submapper <<8 | reg[0] >>4) {
case 0x000: case 0x302:
mapperSync = sync_SxROM;
MMC1_activate(clear, sync, MMC1_TYPE_MMC1B, NULL, NULL, NULL, NULL);
break;
case 0x001:
mapperSync = sync_SUROM;
MMC1_activate(clear, sync, MMC1_TYPE_MMC1B, SUROM_getPRGBank, NULL, NULL, NULL);
break;
case 0x004: case 0x006: case 0x104: case 0x106:
mapperSync = reg[0] &0x08? sync_BxROM: sync_AxROM;
Latch_activate(clear, sync, 0x8000, 0xFFFF, NULL);
break;
case 0x005: case 0x105:
mapperSync = sync_Misc; /* NROM, CNROM, Fire Hawk */
SetWriteHandler(0x8000, 0xFFFF, Misc_writeReg);
break;
case 0x007:
mapperSync = sync_LF36; /* SMB2J */
MapIRQHook = LF36_cpuCycle;
SetWriteHandler(0x8000, 0xFFFF, LF36_writeReg);
break;
case 0x008:
mapperSync = sync_FxROM;
MMC24_activate(clear, sync);
break;
case 0x009: case 0x107: case 0x307:
if (reg[0] &0x08) {
mapperSync = sync_UxROM;
Latch_activate(clear, sync, 0x8000, 0xFFFF, NULL);
} else {
mapperSync = sync_IF12; /* Not Irem's actual IF-12 mapper, but something custom by BlazePro */
SetWriteHandler(0x8000, 0xFFFF, IF12_writeReg);
}
break;
case 0x00A:
mapperSync = sync_PNROM;
MMC24_activate(clear, sync);
break;
case 0x00B:
mapperSync = sync_UNROM512;
Latch_activate(clear, sync, 0x8000, 0xFFFF, NULL);
break;
case 0x00C: case 0x00D: case 0x10C: case 0x10D:
mapperSync = sync_GNROM;
Latch_activate(clear, sync, 0x8000, 0xFFFF, NULL);
break;
case 0x00E: case 0x10E:
mapperSync = sync_Nanjing; /* Partial emulation only */
GameHBIRQHook = Nanjing_scanline;
SetWriteHandler(0x5000, 0x53FF, Nanjing_writeReg);
break;
case 0x100: case 0x101:
mapperSync = sync_TxROM;
MMC3_activate(clear, sync, MMC3_TYPE_SHARP, NULL, NULL, NULL, NULL);
break;
case 0x102:
mapperSync = sync_TxSROM;
MMC3_activate(clear, sync, MMC3_TYPE_SHARP, NULL, NULL, NULL, NULL);
break;
case 0x200:
mapperSync = sync_VRC24;
VRC2_activate(clear, sync, 0x05, 0x0A, NULL, NULL, NULL, NULL);
break;
case 0x201:
mapperSync = sync_VRC24;
VRC4_activate(clear, sync, 0x05, 0x0A, 1, NULL, NULL, NULL, NULL, NULL);
break;
case 0x202:
mapperSync = sync_VRC24;
VRC2_activate(clear, sync, 0x0A, 0x05, NULL, NULL, NULL, NULL);
break;
case 0x203:
mapperSync = sync_VRC24;
VRC4_activate(clear, sync, 0x0A, 0x05, 1, NULL, NULL, NULL, NULL, NULL);
break;
case 0x300:
mapperSync = sync_VRC6;
VRC6_activate(clear, sync, 0x01, 0x02, NULL, NULL, NULL, NULL);
break;
case 0x400:
mapperSync = sync_VRC1;
VRC1_activate(clear, sync);
break;
case 0x401:
mapperSync = sync_VRC7;
VRC7_activate(clear, sync, 0x18);
break;
case 0x404:
mapperSync = sync_VRC3;
VRC3_activate(clear, sync);
break;
case 0x500:
mapperSync = sync_FME7;
FME7_activate(clear, sync);
break;
default:
break;
}
}
static void power(void) {
int i;
for (i =0; i <16; i++) eeprom[i] =0;
reset();
static void power() {
reg[0] = 0x0F;
reg[1] = 0xFF;
reg[2] = submapper == 1? 0x10: 0x00;
reg[3] = 0x00;
Custom_reg[0] = Custom_reg[1] = Custom_reg[2] = Custom_reg[3] = 0;
eep_clock = command = output = 1;
command = state = 0;
applyMode(1);
}
static void close(void) {
if (WRAM)
FCEU_gfree(WRAM);
WRAM = NULL;
}
static void stateRestore(int version) {
setMapper(0);
applyMode(0);
}
void Mapper468_Init(CartInfo *info) {
submapper =info->submapper;
info->Reset =reset;
info->Power =power;
info->Close =close;
GameStateRestore =stateRestore;
WRAMSIZE =8192;
WRAM =(uint8*) FCEU_gmalloc(WRAMSIZE);
SetupCartPRGMapping(0x10, WRAM, WRAMSIZE, 1);
AddExState(WRAM, WRAMSIZE, 0, "WRAM");
submapper = info->submapper;
FME7_addExState();
Latch_addExState();
MMC1_addExState();
MMC24_addExState();
MMC3_addExState();
VRC1_addExState();
VRC24_addExState();
VRC3_addExState();
VRC6_addExState();
VRC7_addExState();
WRAM_init(info, 8);
info->Reset = power;
info->Power = power;
GameStateRestore = stateRestore;
AddExState(stateRegs, ~0, 0, 0);
prevSFEXINDEX =SFEXINDEX;
}

View File

@@ -1,45 +0,0 @@
#define CNROM_reg regByte
static void CNROM_sync () {
int OR =prgOR >>1;
if (mapperFlags &2) {
setprg16(0x8000, CNROM_reg[2] <<1 &0xE | mapperFlags &1 | OR &~0xF);
setprg16(0xC000, CNROM_reg[2] <<1 &0xE | mapperFlags &1 | OR &~0xF);
setchr8(CNROM_reg[0] &0x03);
} else {
OR >>=1;
setprg32(0x8000, CNROM_reg[2] &0x7 | OR &~0x7);
setchr8(CNROM_reg[0] &0x0F);
}
if (mapperFlags &8)
setmirror(mapperFlags &0x04? MI_H: MI_V);
else
setmirror(CNROM_reg[1] &0x10? MI_1: MI_0);
}
static DECLFW(CNROM_writeReg) {
switch(A &0xE000) {
case 0x8000: case 0xA000:
CNROM_reg[0] =V;
break;
case 0xE000:
CNROM_reg[2] =V;
break;
}
sync();
}
static DECLFW(BF9097_writeMirroring) {
CNROM_reg[1] =V;
sync();
}
void CNROM_BF9097_reset(uint8 clearRegs) { /* This strange mapper is used for both (C)NROM games and FireHawk. What an absurd combination!*/
sync =CNROM_sync;
SetWriteHandler(0x8000, 0xFFFF, CNROM_writeReg);
if (~mapperFlags &8)
SetWriteHandler(0x9000, 0x9FFF, BF9097_writeMirroring);
sync();
}
#undef CNROM_reg

View File

@@ -1,73 +0,0 @@
#define latch regByte[0]
static void ANROM_sync () {
int AND =prgAND >>2;
int OR =prgOR >>2;
setprg32(0x8000, latch &AND | OR &~AND);
setchr8(0);
setmirror(latch &0x10? MI_1: MI_0);
}
static void BNROM_sync () {
int AND =prgAND >>2;
int OR =prgOR >>2;
setprg32(0x8000, latch &AND | OR &~AND);
setchr8(0);
setmirror(mapperFlags &4? MI_H: MI_V);
}
static void GNROM_sync () {
int AND =prgAND >>2;
int OR =prgOR >>2 | (mapperFlags &4? 2: 0);
setprg32(0x8000, latch >>4 &AND | OR &~AND);
setchr8(latch &0x0F);
setmirror(mapper &1? MI_H: MI_V);
}
static void UNROM_sync () {
int AND =prgAND >>1;
int OR =prgOR >>1;
setprg16(0x8000, latch &AND | OR &~AND);
setprg16(0xC000, 0xFF &AND | OR &~AND);
setchr8(0);
setmirror(mapperFlags &4? MI_H: MI_V);
}
static DECLFW(DISCRETE_writeLatch) {
latch =V;
sync();
}
static DECLFW(Portopia_writeLatch) {
DISCRETE_writeLatch(A, A ==0xA000 && V ==0x00? 0x06: V); /* Strange hack, needed to get #282 "Portopia Serial Murder Case" on 852-in-1 running */
}
static DECLFW(ColorDreams_writeLatch) {
DISCRETE_writeLatch(A, V >>4 &0xF | V <<4 &0xF0); /* Sswap nibbles to mimic GNROM */
}
void ANROM_BNROM_reset(uint8 clearRegs) {
sync =mapperFlags &8? BNROM_sync: ANROM_sync;
prgAND =(mapper ==0x06 || mapper ==0x16)? 0x3F: mapperFlags &2? 0x0F: 0x1F;
SetWriteHandler(0x8000, 0xFFFF, DISCRETE_writeLatch);
latch =0;
sync();
}
void GNROM_reset(uint8 clearRegs) {
sync =GNROM_sync;
prgAND =mapperFlags &8? 0x07: 0x0F;
SetWriteHandler(0x8000, 0xFFFF, misc &0x10 && mapper &~0x10? DISCRETE_writeLatch: ColorDreams_writeLatch);
latch =0;
sync();
}
void UNROM_reset(uint8 clearRegs) {
sync =UNROM_sync;
prgAND =mapper ==0x0B || misc2 &0x10? 0x3F: mapperFlags &2? 0x0F: 0x1F;
SetWriteHandler(0x8000, 0xFFFF, mapper ==0x09 && mapperFlags ==0xE? Portopia_writeLatch: DISCRETE_writeLatch);
sync();
}
#undef latch

View File

@@ -1,72 +0,0 @@
#define FME7_reg regByte
#define FME7_index regByte[15]
#define FME7_counter regWord[0]
static void FME7_sync() {
int AND =mapperFlags &8? 0xFF: 0x7F;
switch(FME7_reg[8] &0xC0) {
case 0x00: case 0x80:
setprg8(0x6000, FME7_reg[0x8] &prgAND | prgOR &~prgAND);
break;
case 0x40:
/* Open Bus */
break;
case 0xC0:
setprg8r(0x10, 0x6000, 0);
break;
}
setprg8(0x8000, FME7_reg[0x9] &prgAND | prgOR &~prgAND);
setprg8(0xA000, FME7_reg[0xA] &prgAND | prgOR &~prgAND);
setprg8(0xC000, FME7_reg[0xB] &prgAND | prgOR &~prgAND);
setprg8(0xE000, prgAND | prgOR &~prgAND);
setchr1(0x0000, FME7_reg[0x0] &AND);
setchr1(0x0400, FME7_reg[0x1] &AND);
setchr1(0x0800, FME7_reg[0x2] &AND);
setchr1(0x0C00, FME7_reg[0x3] &AND);
setchr1(0x1000, FME7_reg[0x4] &AND);
setchr1(0x1400, FME7_reg[0x5] &AND);
setchr1(0x1800, FME7_reg[0x6] &AND);
setchr1(0x1C00, FME7_reg[0x7] &AND);
setmirror(FME7_reg[0xC] &3 ^(FME7_reg[0xC] &2? 0: 1));
}
static DECLFW(FME7_writeIndex) {
FME7_index =V &0xF;
}
static DECLFW(FME7_writeReg) {
switch(FME7_index) {
case 0xE:
FME7_counter =FME7_counter &0xFF00 |V;
break;
case 0xF:
FME7_counter =FME7_counter &0x00FF |V <<8;
break;
case 0xD:
X6502_IRQEnd(FCEU_IQEXT);
/* Falling through */
default:
FME7_reg[FME7_index] =V;
sync();
}
}
static void FP_FASTAPASS(1) FME7_cpuCycle(int a) {
while (a--) {
if (FME7_reg[0xD] &0x80 && !--FME7_counter && FME7_reg[0xD] &0x01) X6502_IRQBegin(FCEU_IQEXT);
}
}
void FME7_reset(uint8 clearRegs) {
sync =FME7_sync;
prgAND =mapperFlags &2? 0x0F: 0x1F;
MapIRQHook =FME7_cpuCycle;
SetWriteHandler(0x8000, 0x9FFF, FME7_writeIndex);
SetWriteHandler(0xA000, 0xBFFF, FME7_writeReg);
sync();
}
#undef FME7_reg
#undef FME7_index
#undef FME7_counter

View File

@@ -1,31 +0,0 @@
#define IF12_reg regByte
static void IF12_sync () {
int AND =prgAND >>1;
int OR =prgOR >>1;
setprg16(0x8000, IF12_reg[1] &AND | OR &~AND);
setprg16(0xC000, 0xFF &AND | OR &~AND);
setchr8(IF12_reg[0] >>1 &0xF);
setmirror(IF12_reg[0] &1? MI_H: MI_V);
}
static DECLFW(IF12_writeReg) {
IF12_reg[A >>14 &1] =V;
sync();
}
void IF12_reset(uint8 clearRegs) {
sync =IF12_sync;
prgAND =mapperFlags &2? 0x0F: 0x1F;
SetWriteHandler(0x8000, 0xFFFF, IF12_writeReg);
sync();
}
void UNROM_IF12_reset(uint8 clearRegs) {
if (mapperFlags &8)
UNROM_reset(clearRegs);
else
IF12_reset(clearRegs);
}
#undef IF12_reg

View File

@@ -1,46 +0,0 @@
#define LF36_prg regByte[0]
#define LF36_irq regByte[1]
#define LF36_counter regWord[0]
static void LF36_sync () {
int OR =prgOR | mapperFlags &0x08;
setprg8(0x8000, 0x04 | OR);
setprg8(0xA000, 0x05 | OR);
setprg8(0xC000, LF36_prg &0x07 | OR);
setprg8(0xE000, 0x07 | OR);
setchr8(0);
setmirror(mapperFlags &4? MI_H: MI_V);
}
static DECLFW(LF36_writeReg) {
switch (A &0xE000) {
case 0x8000: LF36_irq =0; break;
case 0xA000: LF36_irq =1; break;
case 0XE000: LF36_prg =V; sync(); break;
}
}
static void FP_FASTAPASS(1) LF36_cpuCycle(int a) {
while (a--) {
if (LF36_irq) {
if (++LF36_counter &0x1000)
X6502_IRQBegin(FCEU_IQEXT);
else
X6502_IRQEnd(FCEU_IQEXT);
} else {
X6502_IRQEnd(FCEU_IQEXT);
LF36_counter =0;
}
}
}
void LF36_reset(uint8 clearRegs) {
sync =LF36_sync;
MapIRQHook =LF36_cpuCycle;
SetWriteHandler(0x8000, 0xFFFF, LF36_writeReg);
sync();
}
#undef LF36_prg
#undef LF36_irq
#undef LF36_counter

View File

@@ -1,72 +0,0 @@
#define MMC1_reg regByte
#define MMC1_control regByte[0]
#define MMC1_chr0 regByte[1]
#define MMC1_chr1 regByte[2]
#define MMC1_prg regByte[3]
#define MMC1_shift regByte[4]
#define MMC1_count regByte[5]
#define MMC1_filter regByte[6]
static void MMC1_sync () {
int AND =prgAND >>1;
int OR =prgOR >>1 | (mapper &0x01? (MMC1_chr0 &0x10): (mapperFlags &0x06));
if (MMC1_control &0x08) { /* 16 KiB mode */
if (MMC1_control &0x04) { /* OR logic */
setprg16(0x8000, MMC1_prg &AND | OR &~AND);
setprg16(0xC000, 0xFF &AND | OR &~AND);
} else { /* AND logic */
setprg16(0x8000, 0 &AND | OR &~AND);
setprg16(0xC000, MMC1_prg &AND | OR &~AND);
}
} else
setprg32(0x8000, (MMC1_prg &AND | OR &~AND) >>1);
AND =mapper &0x01? 0x0F: 0x1F; /* SUROM needs to have the upper PRG bank bit, which is in the CHR registers, masked off */
if (MMC1_control &0x10) { /* 4 KiB mode */
setchr4(0x0000, MMC1_chr0 &AND);
setchr4(0x1000, MMC1_chr1 &AND);
} else /* 8 KiB mode */
setchr8(MMC1_chr0 >>1 &(AND >>1));
setmirror(MMC1_control &2? (MMC1_control &1? MI_H: MI_V): (MMC1_control &1? MI_1: MI_0));
}
static DECLFW(MMC1_writeReg) {
if (V &0x80) {
MMC1_shift =MMC1_count =0;
MMC1_control |=0x0C;
sync();
} else
if (!MMC1_filter) {
MMC1_shift |=(V &1) <<MMC1_count++;
if (MMC1_count ==5) {
MMC1_reg[A >>13 &3] =MMC1_shift;
MMC1_count =0;
MMC1_shift =0;
sync();
}
}
MMC1_filter =2;
}
static void FP_FASTAPASS(1) MMC1_cpuCycle(int a) {
while (a--) if (MMC1_filter) MMC1_filter--;
}
void MMC1_reset(uint8 clearRegs) {
sync =MMC1_sync;
MapIRQHook =MMC1_cpuCycle;
prgAND =mapperFlags &2? (mapperFlags &8? 0x07: 0x0F): 0x1F;
SetWriteHandler(0x8000, 0xFFFF, MMC1_writeReg);
if (clearRegs) MMC1_control =0x0C;
sync();
}
#undef MMC1_reg
#undef MMC1_control
#undef MMC1_chr0
#undef MMC1_chr1
#undef MMC1_prg
#undef MMC1_shift
#undef MMC1_count
#undef MMC1_filter

View File

@@ -1,67 +0,0 @@
#define MMC24_reg regByte
static void MMC2_sync() {
setprg8(0x8000, MMC24_reg[0] &prgAND | prgOR &~prgAND);
setprg8(0xA000, 0xFD &prgAND | prgOR &~prgAND);
setprg8(0xC000, 0xFE &prgAND | prgOR &~prgAND);
setprg8(0xE000, 0xFF &prgAND | prgOR &~prgAND);
setchr4(0x0000, MMC24_reg[1 +MMC24_reg[6]]);
setchr4(0x1000, MMC24_reg[3 +MMC24_reg[7]]);
setmirror(MMC24_reg[5] &1? MI_H: MI_V);
}
static void MMC4_sync() {
int AND =prgAND >>1;
int OR =prgOR >>1;
setprg16(0x8000, MMC24_reg[0] &AND | OR &~AND);
setprg16(0xC000, 0xFF &AND | OR &~AND);
setchr4(0x0000, MMC24_reg[1 +MMC24_reg[6]]);
setchr4(0x1000, MMC24_reg[3 +MMC24_reg[7]]);
setmirror(MMC24_reg[5] &1? MI_H: MI_V);
}
static DECLFW(MMC24_writeReg) {
MMC24_reg[(A >>12) -0xA] =V;
sync();
}
static void FP_FASTAPASS(1) MMC24_ppuHook(uint32 A) {
uint8 l, h = A >> 8;
if (h >= 0x20 || ((h & 0xF) != 0xF)) return;
l = A & 0xF0;
if (h < 0x10) {
if (l == 0xD0) {
MMC24_reg[6] =0;
sync();
} else if (l == 0xE0) {
MMC24_reg[6] =1;
sync();
}
} else {
if (l == 0xD0) {
MMC24_reg[7] =0;
sync();
} else if (l == 0xE0) {
MMC24_reg[7] =1;
sync();
}
}
}
void MMC2_reset(uint8 clearRegs) {
sync =MMC2_sync;
prgAND =0x0F;
PPU_hook =MMC24_ppuHook;
SetWriteHandler(0xA000, 0xFFFF, MMC24_writeReg);
sync();
}
void MMC4_reset(uint8 clearRegs) {
sync =MMC4_sync;
prgAND =mapperFlags &2? 0x0F: 0x1F;
PPU_hook =MMC24_ppuHook;
SetWriteHandler(0xA000, 0xFFFF, MMC24_writeReg);
sync();
}
#undef MMC24_reg

View File

@@ -1,80 +0,0 @@
#define MMC3_reg regByte
#define MMC3_index regByte[8]
#define MMC3_mirroring regByte[9]
#define MMC3_wram regByte[10]
#define MMC3_reload regByte[11]
#define MMC3_count regByte[12]
#define MMC3_irq regByte[13]
#define MMC3_lastReg regByte[14]
static void MMC3_sync () {
int chrAND =mapper &0x01? 0xFF: 0x7F;
int OR =prgOR | (misc2 &1? 12: 0);
setprg8(0x8000 ^(MMC3_index <<8 &0x4000), MMC3_reg[6] &prgAND | OR &~prgAND);
setprg8(0xA000, MMC3_reg[7] &prgAND | OR &~prgAND);
setprg8(0xC000 ^(MMC3_index <<8 &0x4000), 0xFE &prgAND | OR &~prgAND);
setprg8(0xE000, 0xFF &prgAND | OR &~prgAND);
setchr1(0x0000 ^(MMC3_index <<5 &0x1000),(MMC3_reg[0] &0xFE)&chrAND);
setchr1(0x0400 ^(MMC3_index <<5 &0x1000),(MMC3_reg[0] |0x01)&chrAND);
setchr1(0x0800 ^(MMC3_index <<5 &0x1000),(MMC3_reg[1] &0xFE)&chrAND);
setchr1(0x0C00 ^(MMC3_index <<5 &0x1000),(MMC3_reg[1] |0x01)&chrAND);
setchr1(0x1000 ^(MMC3_index <<5 &0x1000), MMC3_reg[2] &chrAND);
setchr1(0x1400 ^(MMC3_index <<5 &0x1000), MMC3_reg[3] &chrAND);
setchr1(0x1800 ^(MMC3_index <<5 &0x1000), MMC3_reg[4] &chrAND);
setchr1(0x1C00 ^(MMC3_index <<5 &0x1000), MMC3_reg[5] &chrAND);
if (mapper &2) switch(MMC3_mirroring &3) {
case 0: setmirror(MI_V); break;
case 1: setmirror(MI_H); break;
case 2: setmirror(MMC3_reg[MMC3_lastReg] &0x80? MI_1: MI_0); break;
case 3: setmirror(MI_1); break;
} else
setmirror(MMC3_mirroring &1? MI_H: MI_V);
}
static DECLFW(MMC3_writeReg) {
switch(A &0xE001) {
case 0x8000: MMC3_index =V; sync(); break;
case 0x8001: MMC3_reg[MMC3_index &7] =V; sync(); break;
case 0xA000: MMC3_mirroring =V; sync(); break;
case 0xA001: MMC3_wram =V; sync(); break;
case 0xC000: MMC3_reload =V; break;
case 0xC001: MMC3_count =0; break;
case 0xE000: MMC3_irq =0; X6502_IRQEnd(FCEU_IQEXT); break;
case 0xE001: MMC3_irq =1; break;
}
}
static void MMC3_horizontalBlanking(void) {
MMC3_count =!MMC3_count? MMC3_reload: --MMC3_count;
if (!MMC3_count && MMC3_irq) X6502_IRQBegin(FCEU_IQEXT);
}
static void FP_FASTAPASS(1) MMC3_ppuHook(uint32 A) {
A &=0x1FFF;
if (MMC3_index &0x80) A ^=0x1000;
if (A <0x1000)
MMC3_lastReg =A >>11;
else
MMC3_lastReg =(A >>10) -2;
if ((MMC3_mirroring &3) ==2) setmirror(MMC3_reg[MMC3_lastReg] &0x80? MI_1: MI_0);
}
void MMC3_reset(uint8 clearRegs) {
sync =MMC3_sync;
GameHBIRQHook =MMC3_horizontalBlanking;
if (mapper &2) PPU_hook =MMC3_ppuHook;
prgAND =mapperFlags &8? (mapperFlags &4? (mapperFlags &2? (misc2 &2? 0x07: 0x0F): 0x1F): 0x3F): 0x7F;
SetWriteHandler(0x8000, 0xFFFF, MMC3_writeReg);
MMC3_mirroring =1; /* "Legendary Games of NES' 509-in-1"'s menu runs as MMC3 with H mirroring and expects that setting to stay when running a mapper 206 game such as Legend of Valkyrie. */
sync();
}
#undef MMC3_reg
#undef MMC3_index
#undef MMC3_mirroring
#undef MMC3_wram
#undef MMC3_reload
#undef MMC3_count
#undef MMC3_irq
#undef MMC3_lastReg

View File

@@ -1,29 +0,0 @@
#define NANJING_reg regByte
static void NANJING_sync () {
setprg32(0x8000, NANJING_reg[2] <<4 &0x30 | NANJING_reg[0] &0x0F | (NANJING_reg[3] &4? 0x00: 0x03) | prgOR >>2);
setchr8(0);
setmirror(mapperFlags &4? MI_H: MI_V);
}
static DECLFW(NANJING_writeReg) {
NANJING_reg[A >>8 &3] =V;
sync();
}
static void NANJING_horizontalBlanking(void) {
if (NANJING_reg[0] &0x80 && scanline <239) { /* Actual hardware cannot look at the current scanline number, but instead latches PA09 on PA13 rises. This does not seem possible with the current PPU emulation however. */
setchr4(0x0000, scanline >=127? 1: 0);
setchr4(0x1000, scanline >=127? 1: 0);
} else
setchr8(0);
}
void NANJING_reset(uint8 clearRegs) {
sync =NANJING_sync;
GameHBIRQHook = NANJING_horizontalBlanking;
SetWriteHandler(0x5000, 0x53FF, NANJING_writeReg);
sync();
}
#undef NANJING_reg

View File

@@ -1,25 +0,0 @@
#define VRC1_reg regByte
static void VRC1_sync () {
setprg8(0x8000, VRC1_reg[0] &prgAND | prgOR &~prgAND);
setprg8(0xA000, VRC1_reg[2] &prgAND | prgOR &~prgAND);
setprg8(0xC000, VRC1_reg[4] &prgAND | prgOR &~prgAND);
setprg8(0xE000, 0xFF &prgAND | prgOR &~prgAND);
setchr4(0x0000, VRC1_reg[6] &0x0F | VRC1_reg[1] <<3 &0x10);
setchr4(0x1000, VRC1_reg[7] &0x0F | VRC1_reg[1] <<2 &0x10);
setmirror(VRC1_reg[1] &1? MI_H: MI_V);
}
static DECLFW(VRC1_writeReg) {
VRC1_reg[A >>12 &7] =V;
sync();
}
void VRC1_reset(uint8 clearRegs) {
sync =VRC1_sync;
prgAND =mapperFlags &8? (mapperFlags &4? (mapperFlags &2? 0x0F: 0x1F): 0x3F): 0x7F;
SetWriteHandler(0x8000, 0xFFFF, VRC1_writeReg);
sync();
}
#undef VRC1_reg

View File

@@ -1,92 +0,0 @@
#define VRC24_prg regByte
#define VRC24_mirroring regByte[2]
#define VRC24_misc regByte[3]
#define VRC24_chr regWord
#define VRCIRQ_latch regByte[13]
#define VRCIRQ_mode regByte[14]
#define VRCIRQ_count regByte[15]
#define VRCIRQ_cycles regWord[8]
static void VRC24_sync() {
setprg8(0x8000 ^(VRC24_misc <<13 &0x4000), VRC24_prg[0] &prgAND | prgOR &~prgAND);
setprg8(0xA000, VRC24_prg[1] &prgAND | prgOR &~prgAND);
setprg8(0xC000 ^(VRC24_misc <<13 &0x4000), 0xFE &prgAND | prgOR &~prgAND);
setprg8(0xE000, 0xFF &prgAND | prgOR &~prgAND);
setchr1(0x0000, VRC24_chr[0]);
setchr1(0x0400, VRC24_chr[1]);
setchr1(0x0800, VRC24_chr[2]);
setchr1(0x0C00, VRC24_chr[3]);
setchr1(0x1000, VRC24_chr[4]);
setchr1(0x1400, VRC24_chr[5]);
setchr1(0x1800, VRC24_chr[6]);
setchr1(0x1C00, VRC24_chr[7]);
setmirror(VRC24_mirroring &3 ^(VRC24_mirroring &2? 0: 1));
}
static DECLFW(VRC24_writeReg) {
uint8 index;
A =A &0xF000 | (mapper &2? ((A &0xA? 1: 0) | (A &0x5? 2: 0)): ((A &0x5? 1: 0) | (A &0xA? 2: 0)));
switch (A &0xF000) {
case 0x8000: case 0xA000:
VRC24_prg[A >>13 &1] =V;
sync();
break;
case 0x9000:
if (~A &2)
VRC24_mirroring =V & (mapper &1? 3: 1);
else
if (~A &1 && mapper &1)
VRC24_misc =V;
sync();
break;
case 0xF000:
if (mapper &1) switch (A &3) {
case 0: VRCIRQ_latch =VRCIRQ_latch &0xF0 | V &0x0F; break;
case 1: VRCIRQ_latch =VRCIRQ_latch &0x0F | V <<4; break;
case 2: VRCIRQ_mode =V;
if (VRCIRQ_mode &0x02) {
VRCIRQ_count =VRCIRQ_latch;
VRCIRQ_cycles =341;
}
X6502_IRQEnd(FCEU_IQEXT);
break;
case 3: VRCIRQ_mode =VRCIRQ_mode &~0x02 | VRCIRQ_mode <<1 &0x02;
X6502_IRQEnd(FCEU_IQEXT);
break;
}
break;
default:
index =(A -0xB000) >>11 | A >>1 &1;
if (A &1)
VRC24_chr[index] =VRC24_chr[index] & 0x0F | V <<4;
else
VRC24_chr[index] =VRC24_chr[index] &~0x0F | V &0x0F;
sync();
break;
}
}
static void FP_FASTAPASS(1) VRCIRQ_cpuCycle(int a) {
while (a--) {
if (VRCIRQ_mode &0x02 && (VRCIRQ_mode &0x04 || (VRCIRQ_cycles -=3) <=0)) {
if (~VRCIRQ_mode &0x04) VRCIRQ_cycles +=341;
if (!++VRCIRQ_count) {
VRCIRQ_count =VRCIRQ_latch;
X6502_IRQBegin(FCEU_IQEXT);
}
}
}
}
void VRC24_reset(uint8 clearRegs) {
sync =VRC24_sync;
prgAND =mapperFlags &2? 0x0F: 0x1F;
if (mapper &1) MapIRQHook =VRCIRQ_cpuCycle;
SetWriteHandler(0x8000, 0xFFFF, VRC24_writeReg);
sync();
}
#undef VRC24_prg
#undef VRC24_mirroring
#undef VRC24_misc
#undef VRC24_chr

View File

@@ -1,63 +0,0 @@
#define VRC3_prg regByte[0]
#define VRC3_latch regWord[0]
#define VRC3_mode regByte[1]
#define VRC3_count regWord[1]
static void VRC3_sync() {
int AND =prgAND >>1;
int OR =prgOR >>1;
setprg16(0x8000, VRC3_prg &AND | OR &~AND);
setprg16(0xC000, AND | OR &~AND);
setchr8(0);
setmirror(mapperFlags &4? MI_H: MI_V);
}
static DECLFW(VRC3_writeReg) {
int shift;
switch(A &0xF000) {
case 0x8000: case 0x9000: case 0xA000: case 0xB000:
V &=0xF;
shift =A >>10 &0xC;
VRC3_latch =VRC3_latch &~(0xF <<shift) | V <<shift;
break;
case 0xC000:
VRC3_mode =V;
if (VRC3_mode &0x02) VRC3_count =VRC3_latch;
X6502_IRQEnd(FCEU_IQEXT);
break;
case 0xD000:
VRC3_mode =VRC3_mode &~0x02 | VRC3_mode <<1 &0x02;
X6502_IRQEnd(FCEU_IQEXT);
break;
case 0xF000:
VRC3_prg =V;
sync();
break;
}
}
static void FP_FASTAPASS(1) VRC3_cpuCycle(int a) {
while (a--) {
int mask =VRC3_mode &0x04? 0xFF: 0xFFFF;
if (VRC3_mode &0x02) {
if ((VRC3_count &mask) ==mask) {
VRC3_count =VRC3_latch;
X6502_IRQBegin(FCEU_IQEXT);
} else
++VRC3_count;
}
}
}
void VRC3_reset(uint8 clearRegs) {
sync =VRC3_sync;
prgAND =0x0F;
MapIRQHook =VRC3_cpuCycle;
SetWriteHandler(0x8000, 0xFFFF, VRC3_writeReg);
sync();
}
#undef VRC3_prg
#undef VRC3_latch
#undef VRC3_mode
#undef VRC3_count

View File

@@ -1,72 +0,0 @@
#define VRC6_chr regByte
#define VRC6_prg16 regByte[8]
#define VRC6_prg8 regByte[9]
#define VRC6_misc regByte[10]
static void VRC6_sync() {
int AND =prgAND >>1;
int OR =prgOR >>1;
setprg16(0x8000, VRC6_prg16 & AND | OR & ~AND);
setprg8(0xC000, VRC6_prg8 &prgAND | prgOR &~prgAND);
setprg8(0xE000, prgAND | prgOR &~prgAND);
setchr1(0x0000, VRC6_chr[0]);
setchr1(0x0400, VRC6_chr[1]);
setchr1(0x0800, VRC6_chr[2]);
setchr1(0x0C00, VRC6_chr[3]);
setchr1(0x1000, VRC6_chr[4]);
setchr1(0x1400, VRC6_chr[5]);
setchr1(0x1800, VRC6_chr[6]);
setchr1(0x1C00, VRC6_chr[7]);
setmirror((VRC6_misc &0xC ^(VRC6_misc &0x8? 0: 0x4)) >>2);
}
static DECLFW(VRC6_writeReg) {
uint8 index;
switch (A &0xF003) {
case 0x8000: case 0x8001: case 0x8002: case 0x8003:
VRC6_prg16 =V;
sync();
break;
case 0xB003:
VRC6_misc =V;
sync();
break;
case 0xC000: case 0xC001: case 0xC002: case 0xC003:
VRC6_prg8 =V;
sync();
break;
case 0xD000: case 0xD001: case 0xD002: case 0xD003: case 0xE000: case 0xE001: case 0xE002: case 0xE003:
index =(A -0xD000) >>10 | A &3;
VRC6_chr[index] =V;
sync();
break;
case 0xF000:
VRCIRQ_latch =V;
break;
case 0xF001:
VRCIRQ_mode =V;
if (VRCIRQ_mode &0x02) {
VRCIRQ_count =VRCIRQ_latch;
VRCIRQ_cycles =341;
}
X6502_IRQEnd(FCEU_IQEXT);
break;
case 0xF002:
VRCIRQ_mode =VRCIRQ_mode &~0x02 | VRCIRQ_mode <<1 &0x02;
X6502_IRQEnd(FCEU_IQEXT);
break;
}
}
void VRC6_reset(uint8 clearRegs) {
sync =VRC6_sync;
prgAND =mapperFlags &2? 0x0F: 0x1F;
MapIRQHook =VRCIRQ_cpuCycle;
SetWriteHandler(0x8000, 0xFFFF, VRC6_writeReg);
sync();
}
#undef VRC6_chr
#undef VRC6_prg16
#undef VRC6_prg8
#undef VRC6_misc

View File

@@ -1,82 +0,0 @@
#define VRC7_chr regByte
#define VRC7_prg0 regByte[8]
#define VRC7_prg1 regByte[9]
#define VRC7_prg2 regByte[10]
#define VRC7_misc regByte[11]
static void VRC7_sync() {
setprg8(0x8000, VRC7_prg0 &prgAND | prgOR &~prgAND);
setprg8(0xA000, VRC7_prg1 &prgAND | prgOR &~prgAND);
setprg8(0xC000, VRC7_prg2 &prgAND | prgOR &~prgAND);
setprg8(0xE000, prgAND | prgOR &~prgAND);
setchr1(0x0000, VRC7_chr[0]);
setchr1(0x0400, VRC7_chr[1]);
setchr1(0x0800, VRC7_chr[2]);
setchr1(0x0C00, VRC7_chr[3]);
setchr1(0x1000, VRC7_chr[4]);
setchr1(0x1400, VRC7_chr[5]);
setchr1(0x1800, VRC7_chr[6]);
setchr1(0x1C00, VRC7_chr[7]);
setmirror(VRC7_misc &3 ^(VRC7_misc &2? 0: 1));
}
static DECLFW(VRC7_writeReg) {
uint8 index;
A =A &0xF000 | (A &0x18? 1: 0) | (A &0x20? 2: 0);
switch (A &0xF003) {
case 0x8000:
VRC7_prg0 =V;
sync();
break;
case 0x8001:
VRC7_prg1 =V;
sync();
break;
case 0x9000:
VRC7_prg2 =V;
sync();
break;
case 0x9001: case 0x9002:
/* sound */
break;
case 0xA000: case 0xA001: case 0xB000: case 0xB001: case 0xC000: case 0xC001: case 0xD000: case 0xD001:
index =(A -0xA000) >>11 | A &1;
VRC7_chr[index] =V;
sync();
break;
case 0xE000:
VRC7_misc =V;
sync();
break;
case 0xE001:
VRCIRQ_latch =V;
break;
case 0xF000:
VRCIRQ_mode =V;
if (VRCIRQ_mode &0x02) {
VRCIRQ_count =VRCIRQ_latch;
VRCIRQ_cycles =341;
}
X6502_IRQEnd(FCEU_IQEXT);
break;
case 0xF001:
VRCIRQ_mode =VRCIRQ_mode &~0x02 | VRCIRQ_mode <<1 &0x02;
X6502_IRQEnd(FCEU_IQEXT);
break;
}
}
void VRC7_reset(uint8 clearRegs) {
sync =VRC7_sync;
prgAND =mapperFlags &8? (mapperFlags &4? (mapperFlags &2? 0x0F: 0x1F): 0x3F): 0x7F;
MapIRQHook =VRCIRQ_cpuCycle;
SetWriteHandler(0x8000, 0xFFFF, VRC7_writeReg);
sync();
}
#undef VRC7_chr
#undef VRC7_prg0
#undef VRC7_prg1
#undef VRC7_prg2
#undef VRC7_misc

134
src/boards/asic_fme7.c Normal file
View File

@@ -0,0 +1,134 @@
/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2025 NewRisingSun
*
* 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 "asic_FME7.h"
#include "wram.h"
static void (*FME7_cbSync)();
static uint8 FME7_index;
static uint8 FME7_reg[16];
static SFORMAT FME7_stateRegs[] = {
{ &FME7_index, 1, "FM7I" },
{ FME7_reg, 16, "FM7R" },
{ 0 }
};
void FME7_syncWRAM (int OR) {
if (PRGsize[0x10] && FME7_reg[8] &0x40) setprg8r(0x10, 0x6000, FME7_reg[8] | OR);
}
void FME7_syncPRG (int AND, int OR) {
if (~FME7_reg[8] &0x40) setprg8(0x6000, FME7_reg[8] &AND | OR);
setprg8(0x8000, FME7_reg[ 9] &AND | OR);
setprg8(0xA000, FME7_reg[10] &AND | OR);
setprg8(0xC000, FME7_reg[11] &AND | OR);
setprg8(0xE000, 0xFF &AND | OR);
}
void FME7_syncCHR (int AND, int OR) {
setchr1(0x0000, FME7_reg[0] &AND | OR);
setchr1(0x0400, FME7_reg[1] &AND | OR);
setchr1(0x0800, FME7_reg[2] &AND | OR);
setchr1(0x0C00, FME7_reg[3] &AND | OR);
setchr1(0x1000, FME7_reg[4] &AND | OR);
setchr1(0x1400, FME7_reg[5] &AND | OR);
setchr1(0x1800, FME7_reg[6] &AND | OR);
setchr1(0x1C00, FME7_reg[7] &AND | OR);
}
void FME7_syncMirror () {
setmirror(FME7_reg[12] &2? (FME7_reg[12] &1? MI_1: MI_0): FME7_reg[12] &1? MI_H: MI_V);
}
DECLFR(FME7_readWRAM) {
return ~FME7_reg[8] &0x40 || FME7_reg[8] &0x80? CartBR(A): A >>8;
}
DECLFW(FME7_writeWRAM) {
if (FME7_reg[8] &0x80) CartBW(A, V);
}
DECLFW(FME7_writeReg) {
if (A &0x2000) {
FME7_reg[FME7_index &0xF] = V;
if ((FME7_index &0xF) == 13) X6502_IRQEnd(FCEU_IQEXT);
FME7_cbSync();
} else
FME7_index = V;
}
void FP_FASTAPASS(1) FME7_cpuCycle (int a) {
while (a--) {
int16_t counter = FME7_reg[14] | FME7_reg[15] <<8;
if (FME7_reg[13] &0x80 && !--counter && FME7_reg[13] &0x01) X6502_IRQBegin(FCEU_IQEXT);
FME7_reg[14] = counter &0xFF;
FME7_reg[15] = counter >>8;
}
}
static void FME7_clear () {
int i;
for (i = 0; i < 16; i++) FME7_reg[i] = 0;
FME7_cbSync();
}
static void FME7_setHandlers () {
SetReadHandler(0x6000, 0x7FFF, FME7_readWRAM);
SetWriteHandler(0x6000, 0x7FFF, FME7_writeWRAM);
SetReadHandler(0x8000, 0xFFFF, CartBR);
SetWriteHandler(0x8000, 0xBFFF, FME7_writeReg);
MapIRQHook = FME7_cpuCycle;
}
static void FME7_configure (void (*sync)()) {
FME7_cbSync = sync;
}
void FME7_activate (uint8 clear, void (*sync)()) {
FME7_configure(sync);
FME7_setHandlers();
if (clear)
FME7_clear();
else
FME7_cbSync();
}
void FME7_addExState () {
AddExState(FME7_stateRegs, ~0, 0, 0);
}
void FME7_restore (int version) {
FME7_cbSync();
}
void FME7_power () {
FME7_setHandlers();
FME7_clear();
}
void FME7_init (CartInfo *info, void (*sync)()) {
FME7_addExState();
FME7_configure(sync);
info->Power = FME7_power;
info->Reset = FME7_cbSync;
GameStateRestore = FME7_restore;
}

38
src/boards/asic_fme7.h Normal file
View File

@@ -0,0 +1,38 @@
/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2025 NewRisingSun
*
* 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
*/
#ifndef _ASIC_FME7_H
#define _ASIC_FME7_H
void FME7_syncWRAM (int);
void FME7_syncPRG (int, int);
void FME7_syncCHR (int, int);
void FME7_syncMirror ();
DECLFR(FME7_readWRAM);
DECLFW(MMC3_writeWRAM);
DECLFW(FME7_writeReg);
void FP_FASTAPASS(1) FME7_cpuCycle (int);
void FME7_activate (uint8, void (*)());
void FME7_addExState ();
void FME7_restore (int);
void FME7_power ();
void FME7_init (CartInfo *, void (*)());
#endif

View File

@@ -1,108 +0,0 @@
/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2025 NewRisingSun
*
* 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 "asic_mmc2.h"
static void (*MMC2_cbSync)();
static uint8 MMC2_reg[6];
static uint8 MMC2_latch[2];
static SFORMAT MMC2_state[] = {
{ MMC2_reg, 6, "MC2R" },
{ MMC2_latch, 2, "MC2S" },
{ 0 }
};
static void (*MMC2_cbSync)();
void MMC2_syncPRG (int AND, int OR) {
setprg8(0x8000, MMC2_reg[0] &AND |OR);
setprg8(0xA000, 0xD &AND |OR);
setprg8(0xC000, 0xE &AND |OR);
setprg8(0xE000, 0xF &AND |OR);
}
void MMC2_syncCHR (int AND, int OR) {
setchr4(0x0000, MMC2_reg[1 +MMC2_latch[0]] &AND |OR);
setchr4(0x1000, MMC2_reg[3 +MMC2_latch[1]] &AND |OR);
}
void MMC2_syncMirror () {
setmirror(MMC2_reg[5] &1? MI_H: MI_V);
}
static void FP_FASTAPASS(1) MMC2_trapPPUAddressChange (uint32 A) {
if ((A &0x2FF0) == 0xFD0 || (A &0x2FF0) == 0xFE0) {
MMC2_latch[A >>12 &1] = A >>5 &1;
MMC2_cbSync();
}
}
DECLFW(MMC2_write) {
MMC2_reg[(A >>12) -0xA] = V;
MMC2_cbSync();
}
static void MMC2_clear () {
MMC2_reg[0] = 0; MMC2_reg[1] = 0; MMC2_reg[2] = 2; MMC2_reg[3] = 0; MMC2_reg[4] = 0; MMC2_reg[5] = 0;
MMC2_latch[0] = 0; MMC2_latch[1] = 0;
MMC2_cbSync();
}
static void MMC2_setHandlers() {
SetReadHandler (0x8000, 0xFFFF, CartBR);
SetWriteHandler(0xA000, 0xFFFF, MMC2_write);
PPU_hook = MMC2_trapPPUAddressChange;
}
static void MMC2_configure (void (*sync)()) {
MMC2_cbSync = sync;
}
void MMC2_activate (uint8 clear, void (*sync)()) {
MMC2_configure(sync);
MMC2_setHandlers();
if (clear)
MMC2_clear();
else
MMC2_cbSync();
}
void MMC2_addExState () {
AddExState(MMC2_state, ~0, 0, 0);
}
void MMC2_restore (int version) {
MMC2_cbSync();
}
void MMC2_power () {
MMC2_setHandlers();
MMC2_clear();
}
void MMC2_init (CartInfo *info, void (*sync)()) {
MMC2_addExState();
MMC2_configure(sync);
info->Power = MMC2_power;
info->Reset = MMC2_cbSync;
GameStateRestore = MMC2_restore;
}

117
src/boards/asic_mmc2and4.c Normal file
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@@ -0,0 +1,117 @@
/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2025 NewRisingSun
*
* 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 "asic_mmc2and4.h"
static void (*MMC24_cbSync)();
static uint8 MMC24_reg[6];
static uint8 MMC24_latch[2];
static SFORMAT MMC24_state[] = {
{ MMC24_reg, 6, "MC2R" },
{ MMC24_latch, 2, "MC2S" },
{ 0 }
};
static void (*MMC24_cbSync)();
void MMC24_syncWRAM (int OR) {
if (PRGsize[0x10]) setprg8r(0x10, 0x6000, OR);
}
void MMC2_syncPRG (int AND, int OR) {
setprg8(0x8000, MMC24_reg[0] &AND |OR);
setprg8(0xA000, 0xFD &AND |OR);
setprg8(0xC000, 0xFE &AND |OR);
setprg8(0xE000, 0xFF &AND |OR);
}
void MMC4_syncPRG (int AND, int OR) {
setprg16(0x8000, MMC24_reg[0] &AND |OR);
setprg16(0xC000, 0xFF &AND |OR);
}
void MMC24_syncCHR (int AND, int OR) {
setchr4(0x0000, MMC24_reg[1 +MMC24_latch[0]] &AND |OR);
setchr4(0x1000, MMC24_reg[3 +MMC24_latch[1]] &AND |OR);
}
void MMC24_syncMirror () {
setmirror(MMC24_reg[5] &1? MI_H: MI_V);
}
static void FP_FASTAPASS(1) MMC24_trapPPUAddressChange (uint32 A) {
if ((A &0x2FF0) == 0xFD0 || (A &0x2FF0) == 0xFE0) {
MMC24_latch[A >>12 &1] = A >>5 &1;
MMC24_cbSync();
}
}
DECLFW(MMC24_write) {
MMC24_reg[(A >>12) -0xA] = V;
MMC24_cbSync();
}
static void MMC24_clear () {
MMC24_reg[0] = 0; MMC24_reg[1] = 0; MMC24_reg[2] = 2; MMC24_reg[3] = 0; MMC24_reg[4] = 0; MMC24_reg[5] = 0;
MMC24_latch[0] = 0; MMC24_latch[1] = 0;
MMC24_cbSync();
}
static void MMC24_setHandlers() {
SetReadHandler (0x8000, 0xFFFF, CartBR);
SetWriteHandler(0xA000, 0xFFFF, MMC24_write);
PPU_hook = MMC24_trapPPUAddressChange;
}
static void MMC24_configure (void (*sync)()) {
MMC24_cbSync = sync;
}
void MMC24_activate (uint8 clear, void (*sync)()) {
MMC24_configure(sync);
MMC24_setHandlers();
if (clear)
MMC24_clear();
else
MMC24_cbSync();
}
void MMC24_addExState () {
AddExState(MMC24_state, ~0, 0, 0);
}
void MMC24_restore (int version) {
MMC24_cbSync();
}
void MMC24_power () {
MMC24_setHandlers();
MMC24_clear();
}
void MMC24_init (CartInfo *info, void (*sync)()) {
MMC24_addExState();
MMC24_configure(sync);
info->Power = MMC24_power;
info->Reset = MMC24_cbSync;
GameStateRestore = MMC24_restore;
}

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@@ -18,17 +18,19 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _ASIC_MMC2_H
#define _ASIC_MMC2_H
#ifndef _ASIC_MMC2AND4_H
#define _ASIC_MMC2AND4_H
void MMC24_syncWRAM (int);
void MMC2_syncPRG (int, int);
void MMC2_syncCHR (int, int);
void MMC2_syncMirror ();
DECLFW (MMC2_write);
void MMC2_power ();
void MMC2_restore (int);
void MMC2_addExState ();
void MMC2_activate (uint8, void (*)());
void MMC2_init (CartInfo *, void (*)());
void MMC4_syncPRG (int, int);
void MMC24_syncCHR (int, int);
void MMC24_syncMirror ();
DECLFW (MMC24_write);
void MMC24_power ();
void MMC24_restore (int);
void MMC24_addExState ();
void MMC24_activate (uint8, void (*)());
void MMC24_init (CartInfo *, void (*)());
#endif

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@@ -62,6 +62,10 @@ int MMC3_getCHRBank (uint8 bank) {
return bank &4? MMC3_reg[bank -2]: MMC3_reg[bank >>1] &~1 | bank &1;
}
int MMC3_getMirroring (void) {
return MMC3_mirroring;
}
DECLFR(MMC3_readWRAM) {
if (MMC3_wramControl &0x80 || MMC3_type == MMC3_TYPE_AX5202P || MMC3_type == MMC3_TYPE_MMC6)
return MMC3_cbReadWRAM? MMC3_cbReadWRAM(A): CartBR(A);

View File

@@ -30,6 +30,7 @@
void MMC3_syncWRAM (int);
int MMC3_getPRGBank (uint8);
int MMC3_getCHRBank (uint8);
int MMC3_getMirroring (void);
void MMC3_syncPRG (int, int);
void MMC3_syncCHR (int, int);
void MMC3_syncMirror ();

View File

@@ -25,9 +25,6 @@ void VRC7_syncWRAM (int);
void VRC7_syncPRG (int, int);
void VRC7_syncCHR (int, int);
void VRC7_syncMirror ();
int VRC7_getPRGBank (uint8);
int VRC7_getCHRBank (uint8);
int VRC7_getNTBank (uint8);
DECLFR(VRC7_readWRAM);
DECLFW(MMC3_writeWRAM);
DECLFW(VRC7_writeReg);