Rewrite mappers 162,163,164; add mapper 558. Add EEPROM support to 164.
This commit is contained in:
NewRisingSun
278
src/boards/164.c
278
src/boards/164.c
@@ -1,7 +1,9 @@
|
||||
/* FCE Ultra - NES/Famicom Emulator
|
||||
*
|
||||
* Copyright notice for this file:
|
||||
* Copyright (C) 2002 Xodnizel 2006 CaH4e3
|
||||
* Copyright (C) 2002 Xodnizel
|
||||
* Copyright (C) 2005 CaH4e3
|
||||
* Copyright (C) 2019 Libretro 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
|
||||
@@ -16,217 +18,103 @@
|
||||
* 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
|
||||
*
|
||||
* It seems that 162/163/164 mappers are the same mapper with just different
|
||||
* mapper modes enabled or disabled in software or hardware, need more nanjing
|
||||
* carts
|
||||
*/
|
||||
|
||||
/* Dongda PEC-9588 educational computer. Provides the same 1bpp all-points-addressable graphics mode.
|
||||
Its chipset was later used for the Yancheng cy2000-3 PCB, used on most of the games that display "Union Bond" at the start.
|
||||
Some of them also use the 1bpp mode for a few screens!
|
||||
*/
|
||||
|
||||
#include "mapinc.h"
|
||||
#include "eeprom_93C66.h"
|
||||
|
||||
static uint8 laststrobe, trigger;
|
||||
static uint8 reg[8];
|
||||
static uint8 *WRAM = NULL;
|
||||
static uint32 WRAMSIZE;
|
||||
|
||||
static writefunc pcmwrite;
|
||||
|
||||
static void (*WSync)(void);
|
||||
|
||||
static uint8 eeprom_data[512];
|
||||
static SFORMAT StateRegs[] =
|
||||
{
|
||||
{ &laststrobe, 1, "STB" },
|
||||
{ &trigger, 1, "TRG" },
|
||||
{ reg, 8, "REGS" },
|
||||
{ 0 }
|
||||
{ reg, 8, "REGS" },
|
||||
{ eeprom_data, 512, "EEPR" },
|
||||
{ 0 }
|
||||
};
|
||||
|
||||
static void Sync(void) {
|
||||
setprg8r(0x10, 0x6000, 0);
|
||||
setprg32(0x8000, (reg[0] << 4) | (reg[1] & 0xF));
|
||||
setchr8(0);
|
||||
static void sync()
|
||||
{
|
||||
uint8 prgLow = reg[0] &0x0F | reg[0] >>1 &0x10;
|
||||
uint8 prgHigh = reg[1] <<5;
|
||||
switch (reg[0] >>5 &2 | reg[0] >>4 &1)
|
||||
{
|
||||
case 0: /* UNROM-512 */
|
||||
setprg16(0x8000, prgHigh | prgLow);
|
||||
setprg16(0xC000, prgHigh | 0x1F);
|
||||
break;
|
||||
case 1: /* Open Bus on Yancheng cy2000-3 PCB, expansion cartridge on the Dongda PEC-9588 */
|
||||
break;
|
||||
case 2: /* UNROM-448+64. Very strange mode, used for the LOGO program on the Dongda PEC-9588 */
|
||||
setprg16(0x8000, prgHigh | prgLow);
|
||||
setprg16(0xC000, prgHigh |(prgLow >=0x1C? 0x1C: 0x1E));
|
||||
break;
|
||||
case 3: /* UNROM-128 or BNROM */
|
||||
if (prgLow &0x10)
|
||||
{
|
||||
setprg16(0x8000, prgHigh | prgLow <<1 &0x10 | prgLow &0x0F);
|
||||
setprg16(0xC000, prgHigh | prgLow <<1 &0x10 | 0x0F);
|
||||
}
|
||||
else
|
||||
setprg32(0x8000, prgHigh >>1 | prgLow);
|
||||
break;
|
||||
}
|
||||
setprg8r(0x10, 0x6000, 0);
|
||||
|
||||
setchr8(0);
|
||||
PEC586Hack = !!(reg[0] &0x80);
|
||||
|
||||
setmirror(reg[0] &0x10 && ~reg[3] &0x80? MI_H: MI_V);
|
||||
|
||||
eeprom_93C66_write(reg[2] &0x10, reg[2] &0x04, reg[2] &0x01);
|
||||
}
|
||||
|
||||
static void StateRestore(int version) {
|
||||
WSync();
|
||||
static DECLFR(readReg)
|
||||
{
|
||||
return eeprom_93C66_read()? 0x00: 0x04;
|
||||
}
|
||||
|
||||
static DECLFR(ReadLow) {
|
||||
switch (A & 0x7700) {
|
||||
case 0x5100: return reg[2] | reg[0] | reg[1] | (reg[3] ^ 0xff); break;
|
||||
case 0x5500:
|
||||
if (trigger)
|
||||
return reg[2] | reg[1]; /* Lei Dian Huang Bi Ka Qiu Chuan Shuo (NJ046) may broke other games */
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
return 4;
|
||||
static DECLFW(writeReg)
|
||||
{
|
||||
reg[A >>8 &7] = V;
|
||||
sync();
|
||||
}
|
||||
|
||||
static void M163HB(void) {
|
||||
if (reg[1] & 0x80) {
|
||||
if (scanline == 239) {
|
||||
setchr4(0x0000, 0);
|
||||
setchr4(0x1000, 0);
|
||||
} else if (scanline == 127) {
|
||||
setchr4(0x0000, 1);
|
||||
setchr4(0x1000, 1);
|
||||
}
|
||||
#if 0
|
||||
if(scanline>=127) /* Hu Lu Jin Gang (NJ039) (Ch) [!] don't like it */
|
||||
{
|
||||
setchr4(0x0000,1);
|
||||
setchr4(0x1000,1);
|
||||
}
|
||||
else
|
||||
{
|
||||
setchr4(0x0000,0);
|
||||
setchr4(0x1000,0);
|
||||
}
|
||||
#endif
|
||||
}
|
||||
static void power(void)
|
||||
{
|
||||
memset(reg, 0, sizeof(reg));
|
||||
eeprom_93C66_init();
|
||||
sync();
|
||||
SetReadHandler (0x5400, 0x57FF, readReg);
|
||||
SetWriteHandler(0x5000, 0x57FF, writeReg);
|
||||
SetReadHandler (0x6000, 0xFFFF, CartBR);
|
||||
SetWriteHandler(0x6000, 0x7FFF, CartBW);
|
||||
}
|
||||
|
||||
static DECLFW(Write) {
|
||||
switch (A & 0x7300) {
|
||||
case 0x5100: reg[0] = V; WSync(); break;
|
||||
case 0x5000: reg[1] = V; WSync(); break;
|
||||
case 0x5300: reg[2] = V; break;
|
||||
case 0x5200: reg[3] = V; WSync(); break;
|
||||
}
|
||||
static void reset()
|
||||
{
|
||||
memset(reg, 0, sizeof(reg));
|
||||
sync();
|
||||
}
|
||||
|
||||
static void Power(void) {
|
||||
memset(reg, 0, 8);
|
||||
reg[1] = 0xFF;
|
||||
SetWriteHandler(0x5000, 0x5FFF, Write);
|
||||
SetReadHandler(0x6000, 0xFFFF, CartBR);
|
||||
SetWriteHandler(0x6000, 0x7FFF, CartBW);
|
||||
FCEU_CheatAddRAM(WRAMSIZE >> 10, 0x6000, WRAM);
|
||||
WSync();
|
||||
}
|
||||
|
||||
static void Close(void) {
|
||||
if (WRAM)
|
||||
FCEU_gfree(WRAM);
|
||||
WRAM = NULL;
|
||||
}
|
||||
|
||||
void Mapper164_Init(CartInfo *info) {
|
||||
info->Power = Power;
|
||||
info->Close = Close;
|
||||
WSync = Sync;
|
||||
|
||||
WRAMSIZE = 8192;
|
||||
WRAM = (uint8*)FCEU_gmalloc(WRAMSIZE);
|
||||
SetupCartPRGMapping(0x10, WRAM, WRAMSIZE, 1);
|
||||
AddExState(WRAM, WRAMSIZE, 0, "WRAM");
|
||||
|
||||
if (info->battery) {
|
||||
info->SaveGame[0] = WRAM;
|
||||
info->SaveGameLen[0] = WRAMSIZE;
|
||||
}
|
||||
|
||||
GameStateRestore = StateRestore;
|
||||
AddExState(&StateRegs, ~0, 0, 0);
|
||||
}
|
||||
|
||||
static DECLFW(Write2) {
|
||||
if (A == 0x5101) {
|
||||
if (laststrobe && !V) {
|
||||
trigger ^= 1;
|
||||
}
|
||||
laststrobe = V;
|
||||
} else if (A == 0x5100 && V == 6) /* damn those protected games */
|
||||
setprg32(0x8000, 3);
|
||||
else
|
||||
switch (A & 0x7300) {
|
||||
case 0x5200: reg[0] = V; WSync(); break;
|
||||
case 0x5000: reg[1] = V; WSync(); if (!(reg[1] & 0x80) && (scanline < 128)) setchr8(0); /* setchr8(0); */ break;
|
||||
case 0x5300: reg[2] = V; break;
|
||||
case 0x5100: reg[3] = V; WSync(); break;
|
||||
}
|
||||
}
|
||||
|
||||
static void Power2(void) {
|
||||
memset(reg, 0, 8);
|
||||
laststrobe = 1;
|
||||
pcmwrite = GetWriteHandler(0x4011);
|
||||
SetReadHandler(0x5000, 0x5FFF, ReadLow);
|
||||
SetWriteHandler(0x5000, 0x5FFF, Write2);
|
||||
SetReadHandler(0x6000, 0xFFFF, CartBR);
|
||||
SetWriteHandler(0x6000, 0x7FFF, CartBW);
|
||||
FCEU_CheatAddRAM(WRAMSIZE >> 10, 0x6000, WRAM);
|
||||
WSync();
|
||||
}
|
||||
|
||||
void Mapper163_Init(CartInfo *info) {
|
||||
info->Power = Power2;
|
||||
info->Close = Close;
|
||||
WSync = Sync;
|
||||
GameHBIRQHook = M163HB;
|
||||
|
||||
WRAMSIZE = 8192;
|
||||
WRAM = (uint8*)FCEU_gmalloc(WRAMSIZE);
|
||||
SetupCartPRGMapping(0x10, WRAM, WRAMSIZE, 1);
|
||||
AddExState(WRAM, WRAMSIZE, 0, "WRAM");
|
||||
|
||||
if (info->battery) {
|
||||
info->SaveGame[0] = WRAM;
|
||||
info->SaveGameLen[0] = WRAMSIZE;
|
||||
}
|
||||
GameStateRestore = StateRestore;
|
||||
AddExState(&StateRegs, ~0, 0, 0);
|
||||
}
|
||||
|
||||
static void Sync3(void) {
|
||||
setchr8(0);
|
||||
setprg8r(0x10, 0x6000, 0);
|
||||
switch (reg[3] & 7) {
|
||||
case 0:
|
||||
case 2: setprg32(0x8000, (reg[0] & 0xc) | (reg[1] & 2) | ((reg[2] & 0xf) << 4)); break;
|
||||
case 1:
|
||||
case 3: setprg32(0x8000, (reg[0] & 0xc) | (reg[2] & 0xf) << 4); break;
|
||||
case 4:
|
||||
case 6: setprg32(0x8000, (reg[0] & 0xe) | ((reg[1] >> 1) & 1) | ((reg[2] & 0xf) << 4)); break;
|
||||
case 5:
|
||||
case 7: setprg32(0x8000, (reg[0] & 0xf) | ((reg[2] & 0xf) << 4)); break;
|
||||
}
|
||||
}
|
||||
|
||||
static DECLFW(Write3) {
|
||||
/* FCEU_printf("bs %04x %02x\n",A,V); */
|
||||
reg[(A >> 8) & 3] = V;
|
||||
WSync();
|
||||
}
|
||||
|
||||
static void Power3(void) {
|
||||
reg[0] = 3;
|
||||
reg[1] = 0;
|
||||
reg[2] = 0;
|
||||
reg[3] = 7;
|
||||
SetWriteHandler(0x5000, 0x5FFF, Write3);
|
||||
SetReadHandler(0x6000, 0xFFFF, CartBR);
|
||||
SetWriteHandler(0x6000, 0x7FFF, CartBW);
|
||||
FCEU_CheatAddRAM(WRAMSIZE >> 10, 0x6000, WRAM);
|
||||
WSync();
|
||||
}
|
||||
|
||||
void UNLFS304_Init(CartInfo *info) {
|
||||
info->Power = Power3;
|
||||
info->Close = Close;
|
||||
WSync = Sync3;
|
||||
|
||||
WRAMSIZE = 8192;
|
||||
WRAM = (uint8*)FCEU_gmalloc(WRAMSIZE);
|
||||
SetupCartPRGMapping(0x10, WRAM, WRAMSIZE, 1);
|
||||
AddExState(WRAM, WRAMSIZE, 0, "WRAM");
|
||||
|
||||
if (info->battery) {
|
||||
info->SaveGame[0] = WRAM;
|
||||
info->SaveGameLen[0] = WRAMSIZE;
|
||||
}
|
||||
|
||||
GameStateRestore = StateRestore;
|
||||
AddExState(&StateRegs, ~0, 0, 0);
|
||||
void Mapper164_Init (CartInfo *info)
|
||||
{
|
||||
uint32 WRAMSIZE = info->iNES2? (info->PRGRamSize + info->PRGRamSaveSize): 8192;
|
||||
WRAMSIZE &=~0x7FF; /* Do not include EEPROM in the WRAM size */
|
||||
info->Power = power;
|
||||
info->Reset = reset;
|
||||
AddExState(StateRegs, ~0, 0, 0);
|
||||
|
||||
uint8* WRAM = (uint8*) FCEU_gmalloc(WRAMSIZE);
|
||||
SetupCartPRGMapping(0x10, WRAM, WRAMSIZE, 1);
|
||||
FCEU_CheatAddRAM(WRAMSIZE >> 10, 0x6000, WRAM);
|
||||
|
||||
eeprom_93C66_storage = eeprom_data;
|
||||
info->battery = 1;
|
||||
info->SaveGame[0] = eeprom_data;
|
||||
info->SaveGameLen[0] = 512;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user