Revise mapper 356.
This commit is contained in:
NewRisingSun
112
src/boards/356.c
112
src/boards/356.c
@@ -3,10 +3,10 @@
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* Copyright notice for this file:
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* Copyright (C) 2020
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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@@ -15,90 +15,44 @@
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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/* NES 2.0 Mapper 356 - J.Y. Company's 7-in-1 Rockman (JY-208)
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* All registers work as INES Mapper 045, except $6000 sequential register 2 (third write):
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*
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*/
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#include "mapinc.h"
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#include "mmc3.h"
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#include "asic_tc3294.h"
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static uint8* CHRRAM = NULL;
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static uint32 CHRRAMSIZE = 0;
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static uint8 *CHRRAM = NULL;
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static uint32 CHRRAMSize;
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static void M356CW(uint32 A, uint8 V) {
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if (EXPREGS[2] & 0x20) {
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uint8 NV = V;
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if (EXPREGS[2] & 8)
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NV &= (1 << ((EXPREGS[2] & 7) + 1)) - 1;
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else
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if (EXPREGS[2])
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NV &= 0; /* hack ;( don't know exactly how it should be */
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NV |= EXPREGS[0] | ((EXPREGS[2] & 0xF0) << 4);
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setchr1(A, NV);
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} else
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setchr8r(0x10, 0);
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}
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static void M356PW(uint32 A, uint8 V) {
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uint8 MV = V & ((EXPREGS[3] & 0x3F) ^ 0x3F);
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MV |= EXPREGS[1];
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if (UNIFchrrama)
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MV |= ((EXPREGS[2] & 0x40) << 2);
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setprg8(A, MV);
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}
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static void M356MW(uint8 V) {
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if (EXPREGS[2] & 0x40)
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SetupCartMirroring(4, 1, CHRRAM);
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static void sync () {
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TC3294_syncPRG(0xFF, 0x00);
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if (TC3294_reg[2] &0x20)
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TC3294_syncCHR(0x1FF, 0x00);
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else
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setmirror((V & 1) ^ 1);
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setchr8r(0x10, 0);
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if (TC3294_reg[2] &0x40) {
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setntamem(CHRptr[0x10] +0x0000, 1, 0);
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setntamem(CHRptr[0x10] +0x0400, 1, 1);
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setntamem(CHRptr[0x10] +0x0800, 1, 2);
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setntamem(CHRptr[0x10] +0x0C00, 1, 3);
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} else
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TC3294_syncMirror();
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}
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static DECLFW(M356Write) {
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if (!(EXPREGS[3] & 0x40)) {
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EXPREGS[EXPREGS[4]] = V;
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EXPREGS[4] = (EXPREGS[4] + 1) & 3;
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FixMMC3PRG(MMC3_cmd);
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FixMMC3CHR(MMC3_cmd);
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static void close (void) {
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if (CHRRAM) {
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FCEU_gfree(CHRRAM);
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CHRRAM =NULL;
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}
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}
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static void M356Close(void) {
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GenMMC3Close();
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if (CHRRAM)
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FCEU_free(CHRRAM);
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CHRRAM = NULL;
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}
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static void M356Reset(void) {
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EXPREGS[0] = EXPREGS[1] = EXPREGS[3] = EXPREGS[4] = 0;
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EXPREGS[2] = 0x0F;
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MMC3RegReset();
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}
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static void M356Power(void) {
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EXPREGS[4] = 0;
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EXPREGS[0] = EXPREGS[1] = EXPREGS[3] = EXPREGS[4] = 0;
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EXPREGS[2] = 0x0F;
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GenMMC3Power();
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SetWriteHandler(0x6000, 0x7FFF, M356Write);
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}
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void Mapper356_Init(CartInfo* info) {
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GenMMC3_Init(info, 128, 128, 0, 0);
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cwrap = M356CW;
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pwrap = M356PW;
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mwrap = M356MW;
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info->Reset = M356Reset;
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info->Power = M356Power;
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info->Close = M356Close;
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AddExState(EXPREGS, 5, 0, "EXPR");
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CHRRAMSIZE = 8192;
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CHRRAM = (uint8*)FCEU_gmalloc(CHRRAMSIZE);
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SetupCartCHRMapping(0x10, CHRRAM, CHRRAMSIZE, 1);
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AddExState(CHRRAM, CHRRAMSIZE, 0, "CHRR");
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void Mapper356_Init (CartInfo *info) {
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TC3294_init(info, sync);
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info->Close = close;
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CHRRAMSize = 8192;
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CHRRAM = (uint8*)FCEU_gmalloc(CHRRAMSize);
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AddExState(CHRRAM, CHRRAMSize, 0, "CRAM");
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SetupCartCHRMapping(0x10, CHRRAM, CHRRAMSize, 1);
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}
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@@ -24,10 +24,10 @@
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static void (*TC3294_cbSync)();
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static uint8 TC3294_index;
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static uint8 TC3294_reg[4];
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uint8 TC3294_reg[4];
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static SFORMAT TC3294_state[] = {
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{ TC3294_reg, 8, "329S" },
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{ TC3294_reg, 4, "329S" },
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{&TC3294_index, 1, "329I" },
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{ 0 }
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};
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@@ -99,8 +99,8 @@ void TC3294_power () {
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void TC3294_init (CartInfo *info, void (*sync)()) {
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MMC3_init(info, sync, MMC3_TYPE_AX5202P, NULL, NULL, NULL, TC3294_write);
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TC3294_addExState();
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TC3294_configure(TC3294_cbSync);
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TC3294_configure(sync);
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info->Power = TC3294_power;
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info->Reset = TC3294_cbSync;
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info->Reset = TC3294_clear;
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GameStateRestore = TC3294_restore;
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}
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@@ -21,6 +21,7 @@
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#ifndef _ASIC_TC3294_H
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#define _ASIC_TC3294_H
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extern uint8 TC3294_reg[4];
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void TC3294_syncWRAM (int);
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void TC3294_syncPRG (int, int);
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void TC3294_syncCHR (int, int);
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