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Mapper 268, submappers 8,9 merged into 2,3 and fixed (https://www.nesdev.org/wiki/Talk:NES_2.0_Mapper_268) + refactoring

This commit is contained in:
Alexey 'Cluster' Avdyukhin 2022-12-12 17:48:56 +04:00
parent 0fb86b9740
commit 773eaa868c
4 changed files with 39 additions and 71 deletions
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102
src/boards/coolboy.cpp
View File

@ -82,7 +82,7 @@ const int WRAM_CHIP = 0x10;
const int CFI_CHIP = 0x11; const int CFI_CHIP = 0x11;
const int FLASH_CHIP = 0x12; const int FLASH_CHIP = 0x12;
const int FLASH_SECTOR_SIZE = 128 * 1024; const uint32 FLASH_SECTOR_SIZE = 128 * 1024;
extern uint8* WRAM; extern uint8* WRAM;
static uint8* CFI = NULL; static uint8* CFI = NULL;
@ -94,9 +94,9 @@ static uint16 flash_buffer_a[10];
static uint8 flash_buffer_v[10]; static uint8 flash_buffer_v[10];
static uint8 cfi_mode = 0; static uint8 cfi_mode = 0;
static uint16 regs_base = 0;
static uint8 flag23 = 0; static uint8 flag23 = 0;
static uint8 flag45 = 0; static uint8 flag45 = 0;
static uint8 flag89 = 0;
// Macronix 256-mbit memory CFI data // Macronix 256-mbit memory CFI data
const uint8 cfi_data[] = const uint8 cfi_data[] =
@ -119,7 +119,7 @@ const uint8 cfi_data[] =
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
}; };
static void COOLBOYCW(uint32 A, uint8 V) { static void AA6023CW(uint32 A, uint8 V) {
uint32 mask = 0xFF ^ (EXPREGS[0] & 0b10000000); uint32 mask = 0xFF ^ (EXPREGS[0] & 0b10000000);
if (EXPREGS[3] & 0b00010000) { if (EXPREGS[3] & 0b00010000) {
if (EXPREGS[3] & 0b01000000) { // Weird mode if (EXPREGS[3] & 0b01000000) { // Weird mode
@ -152,7 +152,7 @@ static void COOLBOYCW(uint32 A, uint8 V) {
} }
} }
static void COOLBOYPW(uint32 A, uint8 V) { static void AA6023PW(uint32 A, uint8 V) {
uint8 CREGS[] = {EXPREGS[0], EXPREGS[1], EXPREGS[2], EXPREGS[3]}; uint8 CREGS[] = {EXPREGS[0], EXPREGS[1], EXPREGS[2], EXPREGS[3]};
// Submappers has scrambled bits // Submappers has scrambled bits
if (flag23) { if (flag23) {
@ -162,15 +162,16 @@ static void COOLBOYPW(uint32 A, uint8 V) {
---- ---- ---- ----
GHIL JKKx GHIL JKKx
|||| ||| |||| |||
|||| +++--- PRG offset (in order: PRG A20, A22, A21) |||| +++--- PRG offset (in order: PRG A20, A21, A22)
|||+------- GNROM mode bank PRG size (0: 32 KiB bank, PRG A14=CPU A14; 1: 16 KiB bank, PRG A14=offset A14) |||+------- GNROM mode bank PRG size (0: 32 KiB bank, PRG A14=CPU A14; 1: 16 KiB bank, PRG A14=offset A14)
||+-------- PRG mask (PRG A20 from 0: offset; 1: MMC3) ||+-------- PRG mask (PRG A20 from 0: offset; 1: MMC3)
|+--------- PRG mask (PRG A19 from 0: offset; 1: MMC3) |+--------- PRG mask (PRG A19 from 0: offset; 1: MMC3)
+---------- PRG mask (PRG A18 from 0: MMC3; 1: offset) +---------- PRG mask (PRG A18 from 0: MMC3; 1: offset)
*/ */
CREGS[1] = (CREGS[1] & 0b11100000) CREGS[1] = (CREGS[1] & 0b11100101)
| ((CREGS[1] & 0b00001110) << 1) // PRG A20, A22, A21 | ((CREGS[1] & 0b00001000) << 1) // PRG A20
| (((CREGS[1] & 0b00010000) ^ 0b00010000) >> 3); // GNROM mode bank PRG size | ((CREGS[1] & 0b00000010) << 2) // PRG A22
| ((((CREGS[1] ^ 0b00010000) & 0b00010000) >> 3)); // GNROM mode bank PRG size
} }
if (flag45) { if (flag45) {
/* /*
@ -194,27 +195,10 @@ static void COOLBOYPW(uint32 A, uint8 V) {
|+--------- PRG mask (PRG A19 from 0: offset; 1: MMC3) |+--------- PRG mask (PRG A19 from 0: offset; 1: MMC3)
+---------- PRG mask (PRG A18 from 0: MMC3; 1: offset) +---------- PRG mask (PRG A18 from 0: MMC3; 1: offset)
*/ */
CREGS[1] = (CREGS[1] & 0b11101011) CREGS[1] = (CREGS[1] & 0b11100011)
| ((CREGS[0] & 0b00100000) >> 3) // PRG A21 | ((CREGS[0] & 0b00100000) >> 3) // PRG A21
| (CREGS[0] & 0b00010000); // PRG A20 | (CREGS[0] & 0b00010000); // PRG A20
} CREGS[0] &= 0b11001111;
if (flag89) {
/*
$xxx1
7 bit 0
---- ----
GHIL JKKx
|||| |||
|||| +++--- PRG offset (in order: A20, A21, A22)
|||+------- GNROM mode bank PRG size (0: 32 KiB bank, PRG A14=CPU A14; 1: 16 KiB bank, PRG A14=offset A14)
||+-------- PRG mask (PRG A20 from 0: offset; 1: MMC3)
|+--------- PRG mask (PRG A19 from 0: offset; 1: MMC3)
+---------- PRG mask (PRG A18 from 0: MMC3; 1: offset)
*/
CREGS[1] = (CREGS[1] & 0b11100101)
| ((CREGS[1] & 0b00001000) << 1) // PRG A20
| ((CREGS[1] & 0b00000010) << 2) // PRG A22
| ((((CREGS[1] ^ 0b00010000) & 0b00010000) >> 3)); // GNROM mode bank PRG size
} }
uint32 mask = ((0b00111111 | (CREGS[1] & 0b01000000) | ((CREGS[1] & 0b00100000) << 2)) ^ ((CREGS[0] & 0b01000000) >> 2)) ^ ((CREGS[1] & 0b10000000) >> 2); uint32 mask = ((0b00111111 | (CREGS[1] & 0b01000000) | ((CREGS[1] & 0b00100000) << 2)) ^ ((CREGS[0] & 0b01000000) >> 2)) ^ ((CREGS[1] & 0b10000000) >> 2);
@ -257,23 +241,14 @@ static void COOLBOYPW(uint32 A, uint8 V) {
} }
} }
static DECLFW(COOLBOYWrite) { static DECLFW(AA6023WramWrite) {
if (A001B & 0x80) if (A001B & 0x80)
CartBW(A, V); CartBW(A, V);
// Deny any further writes when 7th bit is 1 AND 4th is 0
if ((EXPREGS[3] & 0x90) != 0x80) {
EXPREGS[A & 3] = V;
}
FixMMC3PRG(MMC3_cmd);
FixMMC3CHR(MMC3_cmd);
} }
static DECLFW(MINDKIDSWrite) { static DECLFW(AA6023Write) {
if (A >= 0x6000) { if (A >= 0x6000) {
if (A001B & 0x80) AA6023WramWrite(A, V);
CartBW(A, V);
return;
} }
// Deny any further writes when 7th bit is 1 AND 4th is 0 // Deny any further writes when 7th bit is 1 AND 4th is 0
@ -284,11 +259,7 @@ static DECLFW(MINDKIDSWrite) {
FixMMC3CHR(MMC3_cmd); FixMMC3CHR(MMC3_cmd);
} }
static DECLFR(COOLBOYFlashRead) { static DECLFW(AA6023FlashWrite) {
return CartBR(A);
}
static DECLFW(COOLBOYFlashWrite) {
if (A < 0xC000) if (A < 0xC000)
MMC3_CMDWrite(A, V); MMC3_CMDWrite(A, V);
else else
@ -366,7 +337,7 @@ static DECLFW(COOLBOYFlashWrite) {
FixMMC3PRG(MMC3_cmd); FixMMC3PRG(MMC3_cmd);
} }
static void CommonReset(void) { static void AA6023Reset(void) {
MMC3RegReset(); MMC3RegReset();
EXPREGS[0] = EXPREGS[1] = EXPREGS[2] = EXPREGS[3] = 0; EXPREGS[0] = EXPREGS[1] = EXPREGS[2] = EXPREGS[3] = 0;
flash_state = 0; flash_state = 0;
@ -375,28 +346,25 @@ static void CommonReset(void) {
FixMMC3CHR(MMC3_cmd); FixMMC3CHR(MMC3_cmd);
} }
static void COOLBOYPower(void) { static void AA6023Power(void) {
GenMMC3Power(); GenMMC3Power();
EXPREGS[0] = EXPREGS[1] = EXPREGS[2] = EXPREGS[3] = 0; EXPREGS[0] = EXPREGS[1] = EXPREGS[2] = EXPREGS[3] = 0;
FixMMC3PRG(MMC3_cmd); FixMMC3PRG(MMC3_cmd);
FixMMC3CHR(MMC3_cmd); FixMMC3CHR(MMC3_cmd);
if (regs_base != 0x5000)
SetWriteHandler(0x5000, 0x5fff, CartBW); // some games access random unmapped areas and crashes because of KT-008 PCB hack in MMC3 source lol SetWriteHandler(0x5000, 0x5fff, CartBW); // some games access random unmapped areas and crashes because of KT-008 PCB hack in MMC3 source lol
SetWriteHandler(0x6000, 0x6fff, COOLBOYWrite); SetWriteHandler(0x6000, 0x7fff, AA6023WramWrite);
SetWriteHandler(0x8000, 0xFFFF, COOLBOYFlashWrite); SetWriteHandler(regs_base, regs_base + 0x0fff, AA6023Write);
SetReadHandler(0x8000, 0xFFFF, COOLBOYFlashRead); SetWriteHandler(0x8000, 0xFFFF, AA6023FlashWrite);
SetReadHandler(0x8000, 0xFFFF, CartBR);
} }
static void MINDKIDSPower(void) { static void AA6023Restore(void) {
GenMMC3Power();
EXPREGS[0] = EXPREGS[1] = EXPREGS[2] = EXPREGS[3] = 0;
FixMMC3PRG(MMC3_cmd); FixMMC3PRG(MMC3_cmd);
FixMMC3CHR(MMC3_cmd); FixMMC3CHR(MMC3_cmd);
SetWriteHandler(0x5000, 0x7fff, MINDKIDSWrite);
SetWriteHandler(0x8000, 0xFFFF, COOLBOYFlashWrite);
SetReadHandler(0x8000, 0xFFFF, COOLBOYFlashRead);
} }
static void CommonClose(void) { static void AA6023Close(void) {
if (WRAM) if (WRAM)
FCEU_gfree(WRAM); FCEU_gfree(WRAM);
if (Flash) if (Flash)
@ -409,31 +377,31 @@ static void CommonClose(void) {
void CommonInit(CartInfo* info, int submapper) void CommonInit(CartInfo* info, int submapper)
{ {
GenMMC3_Init(info, 2048, info->vram_size / 1024, !info->ines2 ? 8 : (info->wram_size + info->battery_wram_size) / 1024, info->battery); GenMMC3_Init(info, 2048, info->vram_size / 1024, !info->ines2 ? 8 : (info->wram_size + info->battery_wram_size) / 1024, info->battery);
pwrap = COOLBOYPW; pwrap = AA6023PW;
cwrap = COOLBOYCW; cwrap = AA6023CW;
switch (submapper) switch (submapper)
{ {
case 0:
case 2: case 2:
regs_base = 0x7000;
break;
case 0:
case 4: case 4:
case 8: regs_base = 0x6000;
info->Power = COOLBOYPower;
break; break;
case 1: case 1:
case 3: case 3:
case 5: case 5:
case 9: regs_base = 0x5000;
info->Power = MINDKIDSPower;
break; break;
default: default:
FCEU_PrintError("Submapper #%d is not supported", submapper); FCEU_PrintError("Submapper #%d is not supported", submapper);
} }
flag23 = (submapper == 2) || (submapper == 3); flag23 = (submapper == 2) || (submapper == 3);
flag45 = (submapper == 4) || (submapper == 5); flag45 = (submapper == 4) || (submapper == 5);
flag89 = (submapper == 8) || (submapper == 9); info->Power = AA6023Power;
info->Reset = CommonReset; info->Reset = AA6023Reset;
info->Close = CommonClose; info->Close = AA6023Close;
flash_save = info->battery; flash_save = info->battery;
@ -475,6 +443,6 @@ void MINDKIDS_Init(CartInfo* info) {
} }
// For NES 2.0 loader // For NES 2.0 loader
void SMD132_SMD133_Init(CartInfo* info) { void AA6023_Init(CartInfo* info) {
CommonInit(info, info->submapper); CommonInit(info, info->submapper);
} }

2
src/boards/coolgirl.cpp
View File

@ -26,7 +26,7 @@
#include "mapinc.h" #include "mapinc.h"
const uint32 SAVE_FLASH_SIZE = 1024 * 1024 * 8; const uint32 SAVE_FLASH_SIZE = 1024 * 1024 * 8;
const int FLASH_SECTOR_SIZE = 128 * 1024; const uint32 FLASH_SECTOR_SIZE = 128 * 1024;
const int ROM_CHIP = 0x00; const int ROM_CHIP = 0x00;
const int WRAM_CHIP = 0x10; const int WRAM_CHIP = 0x10;
const int FLASH_CHIP = 0x11; const int FLASH_CHIP = 0x11;

2
src/ines.cpp
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@ -729,7 +729,7 @@ BMAPPINGLocal bmap[] = {
{"F-15 MMC3 Based", 259, BMCF15_Init}, {"F-15 MMC3 Based", 259, BMCF15_Init},
{"HP10xx/H20xx Boards", 260, BMCHPxx_Init}, {"HP10xx/H20xx Boards", 260, BMCHPxx_Init},
{"810544-CA-1", 261, BMC810544CA1_Init}, {"810544-CA-1", 261, BMC810544CA1_Init},
{"SMD132/SMD133", 268, SMD132_SMD133_Init}, {"AA6023/AA6023B", 268, AA6023_Init},
{"COOLGIRL", 342, COOLGIRL_Init }, {"COOLGIRL", 342, COOLGIRL_Init },
{"Impact Soft MMC3 Flash Board", 406, Mapper406_Init }, {"Impact Soft MMC3 Flash Board", 406, Mapper406_Init },

2
src/unif.h
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@ -162,7 +162,7 @@ void MINDKIDS_Init(CartInfo *info);
void FNS_Init(CartInfo *info); void FNS_Init(CartInfo *info);
void BS400R_Init(CartInfo *info); void BS400R_Init(CartInfo *info);
void BS4040R_Init(CartInfo *info); void BS4040R_Init(CartInfo *info);
void SMD132_SMD133_Init(CartInfo *info); void AA6023_Init(CartInfo *info);
void COOLGIRL_Init(CartInfo* info); void COOLGIRL_Init(CartInfo* info);
extern uint8 *UNIFchrrama; // Meh. So I can stop CHR RAM extern uint8 *UNIFchrrama; // Meh. So I can stop CHR RAM