Add mapper 543, 550, 516
This commit is contained in:
negativeExponent
58
src/boards/516.c
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58
src/boards/516.c
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@@ -0,0 +1,58 @@
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/* FCEUmm - NES/Famicom Emulator
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*
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* Copyright notice for this file:
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* Copyright (C) 2020 negativeExponent
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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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*
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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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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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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 516 - Brilliant Com Cocoma Pack */
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#include "mapinc.h"
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#include "mmc3.h"
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static void M516CW(uint32 A, uint8 V) {
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/* FCEU_printf("CHR: A:%04x V:%02x R0:%02x\n", A, V, EXPREGS[0]); */
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setchr1(A, (V & 0x7F) | ((EXPREGS[0] << 5) & 0x180));
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}
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static void M516PW(uint32 A, uint8 V) {
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/* FCEU_printf("PRG: A:%04x V:%02x R0:%02x\n", A, V, EXPREGS[0]); */
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setprg8(A, (V & 0x0F) | ((EXPREGS[0] << 4) & 0x30));
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}
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static DECLFW(M516Write) {
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/* FCEU_printf("Wr: A:%04x V:%02x R0:%02x\n", A, V, EXPREGS[0]); */
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if (A & 0x10) {
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EXPREGS[0] = A & 0xF;
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FixMMC3PRG(MMC3_cmd);
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FixMMC3CHR(MMC3_cmd);
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}
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MMC3_CMDWrite(A, V);
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}
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static void M516Power(void) {
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EXPREGS[0] = 0;
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GenMMC3Power();
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SetWriteHandler(0x8000, 0xFFFF, M516Write);
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}
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void Mapper516_Init(CartInfo *info) {
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GenMMC3_Init(info, 128, 128, 0, 0);
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cwrap = M516CW;
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pwrap = M516PW;
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info->Power = M516Power;
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AddExState(EXPREGS, 4, 0, "EXPR");
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}
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@@ -36,11 +36,21 @@ static uint32 NONSaveRAMSIZE = 0;
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static void (*MMC1CHRHook4)(uint32 A, uint8 V);
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static void (*MMC1PRGHook16)(uint32 A, uint8 V);
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/* Used to override default wram behavior */
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/* NULL uses default MMC1 wram. Set after GenMMC1Init() is called to override */
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static void (*MMC1WRAMHook8)(void);
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static uint8 *WRAM = NULL;
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static uint8 *CHRRAM = NULL;
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static int is155, is171;
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static uint32 MMC1GetCHRBank (uint32 bank) {
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if (DRegs[0] & 0x10) /* 4 KiB mode */
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return (DRegs[1 + bank]);
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else /* 8 KiB mode */
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return ((DRegs[1] & ~1) | bank);
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}
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static uint8 MMC1WRAMEnabled(void) {
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return !(DRegs[3] & 0x10);
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}
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@@ -56,14 +66,26 @@ static DECLFR(MAWRAM) {
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return(Page[A >> 11][A]);
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}
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static void MMC1CHR(void) {
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static void MMC1WRAM(void) {
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if (WRAMSIZE > 8192) {
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if (WRAMSIZE > 16384)
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setprg8r(0x10, 0x6000, (DRegs[1] >> 2) & 3);
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else
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setprg8r(0x10, 0x6000, (DRegs[1] >> 3) & 1);
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}
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}
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static void MMC1CHR(void) {
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if (MMC1WRAMHook8) /* Use custom wram hook, currently used for M543 */
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MMC1WRAMHook8();
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else { /* Use default MMC1 wram behavior */
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if (WRAMSIZE > 8192) {
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if (WRAMSIZE > 16384)
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setprg8r(0x10, 0x6000, (DRegs[1] >> 2) & 3);
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else
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setprg8r(0x10, 0x6000, (DRegs[1] >> 3) & 1);
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}
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}
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if (MMC1CHRHook4) {
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if (DRegs[0] & 0x10) {
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MMC1CHRHook4(0x0000, DRegs[1]);
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@@ -313,7 +335,7 @@ static void GenMMC1Init(CartInfo *info, int prg, int chr, int wram, int saveram)
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is155 = 0;
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info->Close = GenMMC1Close;
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MMC1PRGHook16 = MMC1CHRHook4 = 0;
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MMC1PRGHook16 = MMC1CHRHook4 = MMC1WRAMHook8 = 0;
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WRAMSIZE = wram * 1024;
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NONSaveRAMSIZE = (wram - saveram) * 1024;
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PRGmask16[0] &= (prg >> 14) - 1;
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@@ -555,3 +577,127 @@ void Mapper297_Init(CartInfo *info) {
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AddExState(&latch, 1, 0, "LATC");
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AddExState(&mode, 1, 0, "MODE");
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}
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/* ---------------------------- Mapper 543 -------------------------------- */
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/* NES 2.0 Mapper 543 - 1996 無敵智カ卡 5-in-1 (CH-501) */
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static uint8_t outerBank;
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static uint8_t bits;
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static uint8_t shift;
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static void M543PRG16(uint32 A, uint8 V) {
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setprg16(A, (V & 0x0F) | (outerBank << 4));
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}
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static void M543CHR4(uint32 A, uint8 V) {
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setchr4(A, (V & 7));
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}
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static void M543WRAM8(void) {
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uint32 wramBank;
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if (outerBank & 2)
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wramBank = 4 | ((outerBank >> 1) & 2) | (outerBank & 1) ;
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else
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wramBank = ((outerBank << 1) & 2) | ((MMC1GetCHRBank(0) >> 3) & 1);
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setprg8r(0x10, 0x6000, wramBank);
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}
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static DECLFW(M543Write) {
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bits |= ((V >> 3) & 1) << shift++;
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if (shift == 4) {
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outerBank = bits;
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bits = shift = 0;
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MMC1PRG();
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MMC1CHR();
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}
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}
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static void M543Reset(void) {
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bits = 0;
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shift = 0;
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outerBank = 0;
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MMC1CMReset();
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}
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static void M543Power(void) {
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bits = 0;
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shift = 0;
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outerBank = 0;
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GenMMC1Power();
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SetWriteHandler(0x5000, 0x5FFF, M543Write);
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}
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void Mapper543_Init(CartInfo *info) {
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/* M543 has 32K CHR RAM but only uses 8K, so its safe to set this chr to 0 */
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GenMMC1Init(info, 2048, 32, 64, info->battery ? 64 : 0);
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info->Power = M543Power;
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info->Reset = M543Reset;
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MMC1CHRHook4 = M543CHR4;
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MMC1PRGHook16 = M543PRG16;
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MMC1WRAMHook8 = M543WRAM8;
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AddExState(&bits, 1, 0, "BITS");
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AddExState(&shift, 1, 0, "SHFT");
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AddExState(&outerBank, 1, 0, "BANK");
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}
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/* ---------------------------- Mapper 550 -------------------------------- */
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/* NES 2.0 Mapper 550 - 7-in-1 1993 Chess Series (JY-015) */
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static uint8_t latch;
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static uint8_t outerBank;
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static void M550PRG16(uint32 A, uint8 V) {
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if ((outerBank & 6) == 6)
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setprg16(A, (V & 7) | (outerBank << 2));
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else
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setprg32(0x8000, (latch >> 4) | (outerBank << 1));
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}
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static void M550CHR4(uint32 A, uint8 V) {
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if ((outerBank & 6) == 6)
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setchr4(A, (V & 7) | ((outerBank << 2) & 0x18));
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else
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setchr8((latch & 3) | ((outerBank << 1) & 0x0C));
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}
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static DECLFW(M550Write7) {
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if (!(outerBank & 8)) {
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outerBank = A & 15;
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MMC1PRG();
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MMC1CHR();
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}
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}
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static DECLFW(M550Write8) {
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latch = V;
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if ((outerBank & 6) == 6)
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MMC1_write(A, V);
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MMC1PRG();
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MMC1CHR();
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}
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static void M550Reset(void) {
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latch = 0;
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outerBank = 0;
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MMC1CMReset();
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}
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static void M550Power(void) {
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latch = 0;
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outerBank = 0;
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GenMMC1Power();
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SetWriteHandler(0x7000, 0x7FFF, M550Write7);
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SetWriteHandler(0x8000, 0xFFFF, M550Write8);
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}
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void Mapper550_Init(CartInfo *info) {
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GenMMC1Init(info, 512, 128, 8, 0);
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info->Power = M550Power;
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info->Reset = M550Reset;
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MMC1CHRHook4 = M550CHR4;
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MMC1PRGHook16 = M550PRG16;
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AddExState(&latch, 1, 0, "LATC");
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AddExState(&outerBank, 1, 0, "BANK");
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}
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@@ -676,7 +676,9 @@ static BMAPPINGLocal bmap[] = {
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{(uint8_t*)"830928C", 382, Mapper382_Init},
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{(uint8_t*)"NJ064", 534, Mapper534_Init},
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{(uint8_t*)"Kid Ikarus (FDS)", 539, Mapper539_Init},
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/* {(uint8_t*)"5-in-1 (CH-501)", 543, Mapper543_Init}, */
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{(uint8_t*)"5-in-1 (CH-501)", 543, Mapper543_Init},
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{(uint8_t*)"", 550, Mapper550_Init},
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{(uint8_t*)"Brilliant Com Cocoma Pack", 516, Mapper516_Init},
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/* UNIF to NES 2.0 BOARDS */
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@@ -1042,6 +1044,7 @@ static int iNES_Init(int num) {
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SetupCartCHRMapping(0, VROM, CHRRAMSize, 1);
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AddExState(VROM, CHRRAMSize, 0, "CHRR");
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}
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FCEU_printf(" CHR-RAM: %3d KiB\n", CHRRAMSize / 1024);
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}
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if (head.ROM_type & 8)
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AddExState(ExtraNTARAM, 2048, 0, "EXNR");
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@@ -253,11 +253,13 @@ void Mapper374_Init(CartInfo *);
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void Mapper382_Init(CartInfo *);
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void Mapper381_Init(CartInfo *);
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void Mapper390_Init(CartInfo *);
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void Mapper516_Init(CartInfo *);
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void Mapper533_Init(CartInfo *);
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void Mapper534_Init(CartInfo *);
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void Mapper538_Init(CartInfo *);
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void Mapper539_Init(CartInfo *);
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void Mapper541_Init(CartInfo *);
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void Mapper543_Init(CartInfo *);
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void Mapper550_Init(CartInfo *);
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#endif
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