negativeExponent
2022-02-08 15:19:11 +08:00
parent e8f1cd53eb
commit f49b0d5100
3 changed files with 277 additions and 119 deletions

View File

@@ -81,7 +81,6 @@ static void M368Power(void) {
SetWriteHandler(0x4022, 0x4022, M368WritePRG);
SetWriteHandler(0x4120, 0x4120, M368WritePRG);
SetWriteHandler(0x4122, 0x4122, M368WriteIRQ);
//SetWriteHandler(0x8000, 0xffff, M368WriteUNROM);
}
static void M368Reset(void) {

View File

@@ -65,116 +65,202 @@ static SFORMAT StateRegs[] =
#define X24C0X_READ 3
#define X24C0X_WRITE 4
static uint8 x24c0x_data[256], x24c0x_state;
static uint8 x24c0x_addr, x24c0x_word, x24c0x_latch, x24c0x_bitcount;
static uint8 x24c0x_sda, x24c0x_scl, x24c0x_out, x24c0x_oe;
static uint8 x24c0x_data[512];
static SFORMAT x24c0xStateRegs[] =
static uint8 x24c01_state;
static uint8 x24c01_addr, x24c01_word, x24c01_latch, x24c01_bitcount;
static uint8 x24c01_sda, x24c01_scl, x24c01_out;
static uint8 x24c02_state;
static uint8 x24c02_addr, x24c02_word, x24c02_latch, x24c02_bitcount;
static uint8 x24c02_sda, x24c02_scl, x24c02_out;
static SFORMAT x24c01StateRegs[] =
{
{ &x24c0x_addr, 1, "ADDR" },
{ &x24c0x_word, 1, "WORD" },
{ &x24c0x_latch, 1, "LATC" },
{ &x24c0x_bitcount, 1, "BITC" },
{ &x24c0x_sda, 1, "SDA" },
{ &x24c0x_scl, 1, "SCL" },
{ &x24c0x_out, 1, "OUT" },
{ &x24c0x_oe, 1, "OE" },
{ &x24c0x_state, 1, "STAT" },
{ &x24c01_addr, 1, "ADDR" },
{ &x24c01_word, 1, "WORD" },
{ &x24c01_latch, 1, "LATC" },
{ &x24c01_bitcount, 1, "BITC" },
{ &x24c01_sda, 1, "SDA" },
{ &x24c01_scl, 1, "SCL" },
{ &x24c01_out, 1, "OUT" },
{ &x24c01_state, 1, "STAT" },
{ 0 }
};
static void x24c0x_init() {
x24c0x_addr = x24c0x_word = x24c0x_latch = x24c0x_bitcount = x24c0x_sda = x24c0x_scl = x24c0x_oe = 0;
x24c0x_state = X24C0X_STANDBY;
static SFORMAT x24c02StateRegs[] =
{
{ &x24c02_addr, 1, "ADDR" },
{ &x24c02_word, 1, "WORD" },
{ &x24c02_latch, 1, "LATC" },
{ &x24c02_bitcount, 1, "BITC" },
{ &x24c02_sda, 1, "SDA" },
{ &x24c02_scl, 1, "SCL" },
{ &x24c02_out, 1, "OUT" },
{ &x24c02_state, 1, "STAT" },
{ 0 }
};
static void x24c01_init(void) {
x24c01_addr = x24c01_word = x24c01_latch = x24c01_bitcount = x24c01_sda = x24c01_scl = 0;
x24c01_state = X24C0X_STANDBY;
}
static void x24c0x_write(uint8 data) {
uint8 sda = (data >> 6) & 1;
uint8 scl = (data >> 5) & 1;
x24c0x_oe = (data >> 7);
static void x24c02_init(void) {
x24c02_addr = x24c02_word = x24c02_latch = x24c02_bitcount = x24c02_sda = x24c02_scl = 0;
x24c02_state = X24C0X_STANDBY;
}
if(x24c0x_scl && scl) {
if(x24c0x_sda && !sda) { /* START */
x24c0x_state = X24C0X_ADDRESS;
x24c0x_bitcount = 0;
x24c0x_addr = 0;
} else if(!x24c0x_sda && sda) { /* STOP */
x24c0x_state = X24C0X_STANDBY;
static void x24c01_write(uint8 data) {
uint8 scl = (data >> 5) & 1;
uint8 sda = (data >> 6) & 1;
if(x24c01_scl && scl) {
if(x24c01_sda && !sda) { /* START */
x24c01_state = X24C0X_ADDRESS;
x24c01_bitcount = 0;
x24c01_addr = 0;
} else if(!x24c01_sda && sda) { /* STOP */
x24c01_state = X24C0X_STANDBY;
}
} else if(!x24c0x_scl && scl) { /* RISING EDGE */
switch(x24c0x_state) {
} else if(!x24c01_scl && scl) { /* RISING EDGE */
switch(x24c01_state) {
case X24C0X_ADDRESS:
if(x24c0x_bitcount < 7) {
x24c0x_addr <<= 1;
x24c0x_addr |= sda;
if(x24c01_bitcount < 7) {
x24c01_addr <<= 1;
x24c01_addr |= sda;
} else {
if(!x24c02) /* X24C01 mode */
x24c0x_word = x24c0x_addr;
if(sda) { /* READ COMMAND */
x24c0x_state = X24C0X_READ;
} else { /* WRITE COMMAND */
if(x24c02) /* X24C02 mode */
x24c0x_state = X24C0X_WORD;
else
x24c0x_state = X24C0X_WRITE;
}
x24c01_word = x24c01_addr;
if(sda) /* READ COMMAND */
x24c01_state = X24C0X_READ;
else /* WRITE COMMAND */
x24c01_state = X24C0X_WRITE;
}
x24c0x_bitcount++;
break;
case X24C0X_WORD:
if(x24c0x_bitcount == 8) { /* ACK */
x24c0x_word = 0;
x24c0x_out = 0;
} else { /* WORD ADDRESS INPUT */
x24c0x_word <<= 1;
x24c0x_word |= sda;
if(x24c0x_bitcount == 16) { /* END OF ADDRESS INPUT */
x24c0x_bitcount = 7;
x24c0x_state = X24C0X_WRITE;
}
}
x24c0x_bitcount++;
x24c01_bitcount++;
break;
case X24C0X_READ:
if (x24c0x_bitcount == 8) { /* ACK */
x24c0x_out = 0;
x24c0x_latch = x24c0x_data[x24c0x_word];
x24c0x_bitcount = 0;
} else { /* REAL OUTPUT */
x24c0x_out = x24c0x_latch >> 7;
x24c0x_latch <<= 1;
x24c0x_bitcount++;
if(x24c0x_bitcount == 8) {
x24c0x_word++;
x24c0x_word &= 0xff;
if (x24c01_bitcount == 8) { /* ACK */
x24c01_out = 0;
x24c01_latch = x24c0x_data[x24c01_word];
x24c01_bitcount = 0;
} else { /* REAL OUTPUT */
x24c01_out = x24c01_latch >> 7;
x24c01_latch <<= 1;
x24c01_bitcount++;
if(x24c01_bitcount == 8) {
x24c01_word++;
x24c01_word &= 0xff;
}
}
break;
case X24C0X_WRITE:
if (x24c0x_bitcount == 8) { /* ACK */
x24c0x_out = 0;
x24c0x_latch = 0;
x24c0x_bitcount = 0;
} else { /* REAL INPUT */
x24c0x_latch <<= 1;
x24c0x_latch |= sda;
x24c0x_bitcount++;
if(x24c0x_bitcount == 8) {
x24c0x_data[x24c0x_word] = x24c0x_latch;
x24c0x_word++;
x24c0x_word &= 0xff;
if (x24c01_bitcount == 8) { /* ACK */
x24c01_out = 0;
x24c01_latch = 0;
x24c01_bitcount = 0;
} else { /* REAL INPUT */
x24c01_latch <<= 1;
x24c01_latch |= sda;
x24c01_bitcount++;
if(x24c01_bitcount == 8) {
x24c0x_data[x24c01_word] = x24c01_latch;
x24c01_word++;
x24c01_word &= 0xff;
}
}
break;
}
}
x24c0x_sda = sda;
x24c0x_scl = scl;
x24c01_sda = sda;
x24c01_scl = scl;
}
static uint8 x24c0x_read() {
return x24c0x_out << 4;
static void x24c02_write(uint8 data) {
uint8 scl = (data >> 5) & 1;
uint8 sda = (data >> 6) & 1;
if (x24c02_scl && scl) {
if (x24c02_sda && !sda) { /* START */
x24c02_state = X24C0X_ADDRESS;
x24c02_bitcount = 0;
x24c02_addr = 0;
} else if (!x24c02_sda && sda) { /* STOP */
x24c02_state = X24C0X_STANDBY;
}
} else if (!x24c02_scl && scl) { /* RISING EDGE */
switch (x24c02_state) {
case X24C0X_ADDRESS:
if (x24c02_bitcount < 7) {
x24c02_addr <<= 1;
x24c02_addr |= sda;
} else {
if (sda) /* READ COMMAND */
x24c02_state = X24C0X_READ;
else /* WRITE COMMAND */
x24c02_state = X24C0X_WORD;
}
x24c02_bitcount++;
break;
case X24C0X_WORD:
if (x24c02_bitcount == 8) { /* ACK */
x24c02_word = 0;
x24c02_out = 0;
} else { /* WORD ADDRESS INPUT */
x24c02_word <<= 1;
x24c02_word |= sda;
if (x24c02_bitcount == 16) { /* END OF ADDRESS INPUT */
x24c02_bitcount = 7;
x24c02_state = X24C0X_WRITE;
}
}
x24c02_bitcount++;
break;
case X24C0X_READ:
if (x24c02_bitcount == 8) { /* ACK */
x24c02_out = 0;
x24c02_latch = x24c0x_data[x24c02_word|0x100];
x24c02_bitcount = 0;
} else { /* REAL OUTPUT */
x24c02_out = x24c02_latch >> 7;
x24c02_latch <<= 1;
x24c02_bitcount++;
if (x24c02_bitcount == 8) {
x24c02_word++;
x24c02_word &= 0xff;
}
}
break;
case X24C0X_WRITE:
if (x24c02_bitcount == 8) { /* ACK */
x24c02_out = 0;
x24c02_latch = 0;
x24c02_bitcount = 0;
} else { /* REAL INPUT */
x24c02_latch <<= 1;
x24c02_latch |= sda;
x24c02_bitcount++;
if (x24c02_bitcount == 8) {
x24c0x_data[x24c02_word|0x100] = x24c02_latch;
x24c02_word++;
x24c02_word &= 0xff;
}
}
break;
}
}
x24c02_sda = sda;
x24c02_scl = scl;
}
static void SyncMirror(void) {
switch (reg[9] & 3) {
case 0: setmirror(MI_V); break;
case 1: setmirror(MI_H); break;
case 2: setmirror(MI_0); break;
case 3: setmirror(MI_1); break;
}
}
static void Sync(void) {
@@ -189,12 +275,7 @@ static void Sync(void) {
setprg16(0x8000, reg[8]);
setprg16(0xC000, ~0);
}
switch (reg[9] & 3) {
case 0: setmirror(MI_V); break;
case 1: setmirror(MI_H); break;
case 2: setmirror(MI_0); break;
case 3: setmirror(MI_1); break;
}
SyncMirror();
}
static DECLFW(BandaiWrite) {
@@ -207,12 +288,20 @@ static DECLFW(BandaiWrite) {
case 0x0A: X6502_IRQEnd(FCEU_IQEXT); IRQa = V & 1; IRQCount = IRQLatch; break;
case 0x0B: IRQLatch &= 0xFF00; IRQLatch |= V; break;
case 0x0C: IRQLatch &= 0xFF; IRQLatch |= V << 8; break;
case 0x0D: x24c0x_write(V); break;
case 0x0D:
if (x24c02)
x24c02_write(V);
else
x24c01_write(V);
break;
}
}
static DECLFR(BandaiRead) {
return (X.DB & 0xEF) | x24c0x_read();
if (x24c02)
return (X.DB & 0xEF) | (x24c02_out << 4);
else
return (X.DB & 0xEF) | (x24c01_out << 4);
}
static void FP_FASTAPASS(1) BandaiIRQHook(int a) {
@@ -228,7 +317,10 @@ static void FP_FASTAPASS(1) BandaiIRQHook(int a) {
static void BandaiPower(void) {
IRQa = 0;
x24c0x_init();
if (x24c02)
x24c02_init();
else
x24c01_init();
Sync();
SetReadHandler(0x6000, 0x7FFF, BandaiRead);
SetReadHandler(0x8000, 0xFFFF, CartBR);
@@ -246,12 +338,12 @@ void Mapper16_Init(CartInfo *info) {
MapIRQHook = BandaiIRQHook;
info->battery = 1;
info->SaveGame[0] = x24c0x_data;
info->SaveGame[0] = x24c0x_data + 256;
info->SaveGameLen[0] = 256;
AddExState(x24c0x_data, 256, 0, "DATA");
GameStateRestore = StateRestore;
AddExState(&x24c0xStateRegs, ~0, 0, 0);
AddExState(&x24c02StateRegs, ~0, 0, 0);
AddExState(&StateRegs, ~0, 0, 0);
}
@@ -267,7 +359,7 @@ void Mapper159_Init(CartInfo *info) {
AddExState(x24c0x_data, 128, 0, "DATA");
GameStateRestore = StateRestore;
AddExState(&x24c0xStateRegs, ~0, 0, 0);
AddExState(&x24c01StateRegs, ~0, 0, 0);
AddExState(&StateRegs, ~0, 0, 0);
}
@@ -323,7 +415,9 @@ static int BarcodeReadPos;
static int BarcodeCycleCount;
static uint32 BarcodeOut;
int FCEUI_DatachSet(const uint8 *rcode) {
/* #define INTERL2OF5 */
int FCEUI_DatachSet(uint8 *rcode) {
int prefix_parity_type[10][6] = {
{ 0, 0, 0, 0, 0, 0 }, { 0, 0, 1, 0, 1, 1 }, { 0, 0, 1, 1, 0, 1 }, { 0, 0, 1, 1, 1, 0 },
{ 0, 1, 0, 0, 1, 1 }, { 0, 1, 1, 0, 0, 1 }, { 0, 1, 1, 1, 0, 0 }, { 0, 1, 0, 1, 0, 1 },
@@ -346,6 +440,7 @@ int FCEUI_DatachSet(const uint8 *rcode) {
};
uint8 code[13 + 1];
uint32 tmp_p = 0;
uint32 csum = 0;
int i, j;
int len;
@@ -359,15 +454,45 @@ int FCEUI_DatachSet(const uint8 *rcode) {
#define BS(x) BarcodeData[tmp_p] = x; tmp_p++
for (j = 0; j < 32; j++) {
for (j = 0; j < 32; j++) { /* delay before sending a code */
BS(0x00);
}
#ifdef INTERL2OF5
BS(1); BS(1); BS(0); BS(0); /* 1 */
BS(1); BS(1); BS(0); BS(0); /* 1 */
BS(1); BS(1); BS(0); BS(0); /* 1 */
BS(1); BS(1); BS(0); BS(0); /* 1 */
BS(1); BS(1); BS(0); BS(0); /* 1 */
BS(1); BS(0); BS(0); /* 0 */
BS(1); BS(0); BS(0); /* 0 */
BS(1); BS(0); BS(0); /* 0 */
BS(1); BS(0); BS(0); /* 0 */
BS(1); BS(0); BS(0); /* 0 */
BS(1); BS(0); BS(0); /* 0 */
BS(1); BS(0); BS(0); /* 0 */
BS(1); BS(0); BS(0); /* 0 */
BS(1); BS(0); BS(0); /* 0 */
BS(1); BS(0); BS(0); /* 0 */
BS(1); BS(0); BS(0); /* 0 */
BS(1); BS(0); BS(0); /* 0 */
BS(1); BS(0); BS(0); /* 0 */
BS(1); BS(0); BS(0); /* 0 */
BS(1); BS(0); BS(0); /* 0 */
BS(1); BS(0); BS(0); /* 0 */
BS(1); BS(0); BS(0); /* 0 */
BS(1); BS(0); BS(0); /* 0 */
BS(1); BS(0); BS(0); /* 0 */
BS(1); BS(0); BS(0); /* 0 */
BS(1); BS(0); BS(0); /* 0 cs */
BS(1); BS(1); BS(0); BS(0); /* 1 */
#else
/* Left guard bars */
BS(1); BS(0); BS(1);
if (len == 13 || len == 12) {
uint32 csum;
for (i = 0; i < 6; i++)
if (prefix_parity_type[code[0]][i]) {
@@ -386,24 +511,25 @@ int FCEUI_DatachSet(const uint8 *rcode) {
for (j = 0; j < 7; j++) {
BS(data_right[code[i]][j]);
}
csum = 0;
for (i = 0; i < 12; i++) csum += code[i] * ((i & 1) ? 3 : 1);
csum = (10 - (csum % 10)) % 10;
/* Calc and write down the control code if not assigned, instead, send code as is
Battle Rush uses modified type of codes with different control code calculation */
if (len == 12) {
for (i = 0; i < 12; i++)
csum += code[i] * ((i & 1) ? 3 : 1);
csum = (10 - (csum % 10)) % 10;
rcode[12] = csum + 0x30; /* update check code to the input string as well */
rcode[13] = 0;
code[12] = csum;
}
for (j = 0; j < 7; j++) {
BS(data_right[csum][j]);
BS(data_right[code[12]][j]);
}
} else if (len == 8 || len == 7) {
uint32 csum = 0;
for (i = 0; i < 7; i++) csum += (i & 1) ? code[i] : (code[i] * 3);
csum = (10 - (csum % 10)) % 10;
for (i = 0; i < 4; i++)
for (i = 0; i < 4; i++) {
for (j = 0; j < 7; j++) {
BS(data_left_odd[code[i]][j]);
}
}
/* Center guard bars */
BS(0); BS(1); BS(0); BS(1); BS(0);
@@ -412,7 +538,12 @@ int FCEUI_DatachSet(const uint8 *rcode) {
for (j = 0; j < 7; j++) {
BS(data_right[code[i]][j]);
}
csum = 0;
for (i = 0; i < 7; i++)
csum += (i & 1) ? code[i] : (code[i] * 3);
csum = (10 - (csum % 10)) % 10;
rcode[7] = csum + 0x30; /* update check code to the input string as well */
rcode[8] = 0;
for (j = 0; j < 7; j++) {
BS(data_right[csum][j]);
}
@@ -420,6 +551,7 @@ int FCEUI_DatachSet(const uint8 *rcode) {
/* Right guard bars */
BS(1); BS(0); BS(1);
#endif
for (j = 0; j < 32; j++) {
BS(0x00);
@@ -435,6 +567,26 @@ int FCEUI_DatachSet(const uint8 *rcode) {
return(1);
}
static void BarcodeSync(void) {
setchr8(0);
setprg16(0x8000, (reg[8] & 0x0F));
setprg16(0xC000, 0x0F);
SyncMirror();
}
static DECLFW(BarcodeWrite) {
A &= 0x0F;
switch (A) {
case 0x00: reg[0] = (V & 8) << 2; x24c01_write(reg[0xD] | reg[0]); break; /* extra EEPROM x24C01 used in Battle Rush mini-cart */
case 0x08:
case 0x09: reg[A] = V; BarcodeSync(); break;
case 0x0A: X6502_IRQEnd(FCEU_IQEXT); IRQa = V & 1; IRQCount = IRQLatch; break;
case 0x0B: IRQLatch &= 0xFF00; IRQLatch |= V; break;
case 0x0C: IRQLatch &= 0xFF; IRQLatch |= V << 8; break;
case 0x0D: reg[0xD] = V & (~0x20); x24c01_write(reg[0xD] | reg[0]); x24c02_write(V); break;
}
}
static void FP_FASTAPASS(1) BarcodeIRQHook(int a) {
BandaiIRQHook(a);
@@ -452,7 +604,7 @@ static void FP_FASTAPASS(1) BarcodeIRQHook(int a) {
}
static DECLFR(BarcodeRead) {
return BarcodeOut;
return (X.DB & 0xE7) | ((x24c02_out | x24c01_out) << 4) | BarcodeOut;
}
static void M157Power(void) {
@@ -462,20 +614,27 @@ static void M157Power(void) {
BarcodeOut = 0;
BarcodeCycleCount = 0;
Sync();
x24c01_init();
x24c02_init();
BarcodeSync();
SetWriteHandler(0x6000, 0xFFFF, BandaiWrite);
SetReadHandler(0x6000, 0x7FFF, BarcodeRead);
SetReadHandler(0x8000, 0xFFFF, CartBR);
SetWriteHandler(0x8000, 0xFFFF, BarcodeWrite);
}
void Mapper157_Init(CartInfo *info) {
is153 = 1;
x24c02 = 1;
info->Power = M157Power;
MapIRQHook = BarcodeIRQHook;
GameInfo->cspecial = SIS_DATACH;
info->battery = 1;
info->SaveGame[0] = x24c0x_data;
info->SaveGameLen[0] = 512;
GameStateRestore = StateRestore;
AddExState(x24c0x_data, 512, 0, "DATA");
AddExState(&x24c01StateRegs, ~0, 0, 0);
AddExState(&x24c02StateRegs, ~0, 0, 0);
AddExState(&StateRegs, ~0, 0, 0);
}

View File

@@ -235,7 +235,7 @@ int FCEUI_FDSInsert(int oride);
int FCEUI_FDSEject(void);
void FCEUI_FDSSelect(void);
int FCEUI_DatachSet(const uint8 *rcode);
int FCEUI_DatachSet(uint8 *rcode);
#ifdef __cplusplus
}