#include "hd6844.h"
#endif
+namespace FM7 {
+
#define FDC_CMD_TYPE1 1
#define FDC_CMD_RD_SEC 2
#define FDC_CMD_RD_MSEC 3
void FM7_MAINIO::reset_fdc(void)
{
- fdc_statreg = 0x00;
- fdc_cmdreg = 0x00;
- fdc_trackreg = 0x00;
- fdc_sectreg = 0x00;
- fdc_datareg = 0x00;
- fdc_headreg = 0xfe;
- fdc_drvsel = 0x7c;
+ if(connect_fdc) {
+ fdc_cmdreg = 0;
+ fdc_statreg = fdc->read_io8(0);
+ fdc_trackreg = fdc->read_io8(1);
+ fdc_sectreg = fdc->read_io8(2);
+ fdc_datareg = fdc->read_io8(3);
+ fdc_headreg = 0xfe | fdc->read_signal(SIG_MB8877_SIDEREG);
+ fdc_drvsel = 0x7c | fdc->read_signal(SIG_MB8877_DRIVEREG);
+ irqreg_fdc = 0x00; //0b00000000;
+ }
+ //fdc_motor = (fdc->read_signal(SIG_MB8877_MOTOR) != 0);
fdc_motor = false;
- fdc_cmd_type1 = false;
+
#if defined(_FM77AV40) || defined(_FM77AV40EX) || defined(_FM77AV40SX) || \
- defined(_FM77AV20) || defined(_FM77AV20EX) || defined(_FM77AV20SX)
- fdc_reg_fd1e = 0x80;
- for(int i = 0; i < 4; i++) {
- fdc_drive_table[i] = (uint8)i;
- fdc->set_drive_type(i, DRIVE_TYPE_2D);
+ defined(_FM77AV20) || defined(_FM77AV20EX)
+ if(connect_fdc) {
+ fdc_reg_fd1e = 0x80;
+ for(int i = 0; i < 4; i++) {
+ fdc_drive_table[i] = (uint8_t)i;
+ fdc->set_drive_type(i, DRIVE_TYPE_2D);
+ }
}
-#endif
- irqreg_fdc = 0xff; //0b11111111;
+#else
if(connect_fdc) {
- extdet_neg = true;
- irqreg_fdc = 0x1f; //0b00011111;
+ for(int i = 0; i < 4; i++) {
+ fdc->set_drive_type(i, DRIVE_TYPE_2D);
+ }
}
+#endif
if(event_fdc_motor >= 0) cancel_event(this, event_fdc_motor);
event_fdc_motor = -1;
irqstat_fdc = false;
- irqreq_fdc = false;
irqmask_mfd = true;
- set_fdc_motor(fdc_motor);
+ if(connect_fdc) {
+ set_fdc_motor(fdc_motor);
+ }
}
+
/* FDD */
-void FM7_MAINIO::set_fdc_cmd(uint8 val)
+void FM7_MAINIO::set_fdc_cmd(uint8_t val)
{
if(!connect_fdc) return;
//irqreg_fdc = 0x00;
fdc_cmdreg = val;
- fdc_cmd_type1 = ((val & 0x80) == 0);
#if defined(HAS_DMA)
if(((fdc_cmdreg >= 0x80) && (fdc_cmdreg < 0xd0)) || (fdc_cmdreg >= 0xe0)) {
- uint32 words = dmac->read_signal(HD6844_WORDS_REG_0);
+ uint32_t words = dmac->read_signal(HD6844_WORDS_REG_0);
if((words != 0) && (words < 0xffff) && (dmac->read_signal(HD6844_IS_TRANSFER_0) == 0)) {
dmac->write_signal(HD6844_SRC_FIXED_ADDR_CH0, 3, 0xffffffff);
dmac->write_signal(HD6844_TRANSFER_START, 0, 0xffffffff);
- //p_emu->out_debug_log(_T("FDC: Start DMA CMDREG=%02x CHRN=%02x %02x %02x * DRVSEL=%08x\n"),
+ //this->out_debug_log(_T("FDC: Start DMA CMDREG=%02x CHRN=%02x %02x %02x * DRVSEL=%08x\n"),
// fdc_cmdreg, fdc_trackreg, fdc_headreg & 0x01, fdc_sectreg, fdc_drvsel);
}
}
#endif
fdc->write_io8(0, val & 0x00ff);
-#ifdef _FM7_FDC_DEBUG
- p_emu->out_debug_log(_T("FDC: CMD: $%02x"), fdc_cmdreg);
-#endif
+//#ifdef _FM7_FDC_DEBUG
+ if(config.special_debug_fdc) out_debug_log(_T("FDC: CMD: $%02x"), fdc_cmdreg);
+//#endif
}
-uint8 FM7_MAINIO::get_fdc_stat(void)
+uint8_t FM7_MAINIO::get_fdc_stat(void)
{
- uint32 stat_backup = fdc_statreg;
+ //uint32_t stat_backup = fdc_statreg;
if(!connect_fdc) return 0xff;
fdc_statreg = fdc->read_io8(0);
#ifdef _FM7_FDC_DEBUG
- if(stat_backup != fdc_statreg) p_emu->out_debug_log(_T("FDC: \nGet Stat(not busy): $%02x"), fdc_statreg);
+ if(stat_backup != fdc_statreg) this->out_debug_log(_T("FDC: \nGet Stat(not busy): $%02x"), fdc_statreg);
#endif
return fdc_statreg;
}
-void FM7_MAINIO::set_fdc_track(uint8 val)
+void FM7_MAINIO::set_fdc_track(uint8_t val)
{
if(!connect_fdc) return;
// if mode is 2DD and type-of-image = 2D then val >>= 1;
fdc_trackreg = val;
#if defined(_FM77AV40) || defined(_FM77AV40EX) || defined(_FM77AV40SX) || \
- defined(_FM77AV20) || defined(_FM77AV20EX) || defined(_FM77AV20SX)
- uint32 d;
+ defined(_FM77AV20) || defined(_FM77AV20EX)
+ uint32_t d;
if((fdc_drvsel & 0x40) == 0) {
d = fdc_drive_table[fdc_drvsel & 0x03] & 0x03;
} else {
d = fdc_drvsel & 0x03;
}
+#if 1
DISK *disk = fdc->get_disk_handler(d);
if(disk->media_type != MEDIA_TYPE_2D){
- if(disk->drive_type == DRIVE_TYPE_2D) val <<= 1;
+ if(config.special_debug_fdc) out_debug_log(_T("NOTE: MEDIA TYPE IS 2DD"));
+ //if(disk->drive_type == DRIVE_TYPE_2D) val <<= 1;
} else {
- if(disk->drive_type != DRIVE_TYPE_2D) val >>= 1;
+ if(config.special_debug_fdc) out_debug_log(_T("NOTE: MEDIA TYPE IS 2D"));
+ //if(disk->drive_type != DRIVE_TYPE_2D) val >>= 1;
}
+#endif
#endif
fdc->write_io8(1, val);
-#ifdef _FM7_FDC_DEBUG
- p_emu->out_debug_log(_T("FDC : Set Track: %d"), val);
-#endif
+//#ifdef _FM7_FDC_DEBUG
+ if(config.special_debug_fdc) out_debug_log(_T("FDC : Set Track: %d"), val);
+//#endif
}
-uint8 FM7_MAINIO::get_fdc_track(void)
+uint8_t FM7_MAINIO::get_fdc_track(void)
{
if(!connect_fdc) return 0xff;
fdc_trackreg = fdc->read_io8(1);
return fdc_trackreg;
}
-void FM7_MAINIO::set_fdc_sector(uint8 val)
+void FM7_MAINIO::set_fdc_sector(uint8_t val)
{
if(!connect_fdc) return;
fdc_sectreg = val;
fdc->write_io8(2, val);
-#ifdef _FM7_FDC_DEBUG
- p_emu->out_debug_log(_T("FDC: Set Sector: $%02x"), val);
-#endif
+//#ifdef _FM7_FDC_DEBUG
+ if(config.special_debug_fdc) out_debug_log(_T("FDC: Set Sector: $%02x"), val);
+//#endif
}
-uint8 FM7_MAINIO::get_fdc_sector(void)
+uint8_t FM7_MAINIO::get_fdc_sector(void)
{
if(!connect_fdc) return 0xff;
fdc_sectreg = fdc->read_io8(2);
return fdc_sectreg;
}
-void FM7_MAINIO::set_fdc_data(uint8 val)
+void FM7_MAINIO::set_fdc_data(uint8_t val)
{
if(!connect_fdc) return;
fdc_datareg = val;
fdc->write_io8(3, val & 0x00ff);
}
-uint8 FM7_MAINIO::get_fdc_data(void)
+uint8_t FM7_MAINIO::get_fdc_data(void)
{
if(!connect_fdc) return 0xff;
fdc_datareg = fdc->read_io8(3);
return fdc_datareg;
}
-uint8 FM7_MAINIO::get_fdc_motor(void)
+uint8_t FM7_MAINIO::get_fdc_motor(void)
{
- uint8 val = 0x3c; //0b01111100;
+ uint8_t val = 0x3c; //0b01111100;
+ uint8_t drv;
+ bool bv;
+
if(!connect_fdc) return 0xff;
- //fdc_motor = (fdc->read_signal(SIG_MB8877_MOTOR) != 0) ? true : false;
- if(fdc_motor) val |= 0x80;
+ fdc_motor = (fdc->read_signal(SIG_MB8877_MOTOR) != 0) ? true : false;
//fdc_drvsel = fdc->read_signal(SIG_MB8877_READ_DRIVE_REG);
+ drv = fdc_drvsel & 0x03;
val = val | (fdc_drvsel & 0x03);
#if defined(_FM77AV40) || defined(_FM77AV40EX) || defined(_FM77AV40SX) || \
- defined(_FM77AV20) || defined(_FM77AV20EX) || defined(_FM77AV20SX)
+ defined(_FM77AV20) || defined(_FM77AV20EX)
val = val | (fdc_drvsel & 0x40);
+ if((fdc_drvsel & 0x40) != 0) {
+ drv = fdc_drive_table[drv & 0x03];
+ }
#endif
-#ifdef _FM7_FDC_DEBUG
- p_emu->out_debug_log(_T("FDC: Get motor/Drive: $%02x"), val);
-#endif
+ fdc_motor = fdc_motor & (fdc->get_drive_type(drv) != DRIVE_TYPE_UNK);
+ if(fdc_motor) val |= 0x80;
+//#ifdef _FM7_FDC_DEBUG
+ if(config.special_debug_fdc) out_debug_log(_T("FDC: Get motor/Drive: $%02x"), val);
+//#endif
return val;
}
-void FM7_MAINIO::set_fdc_fd1c(uint8 val)
+void FM7_MAINIO::set_fdc_fd1c(uint8_t val)
{
if(!connect_fdc) return;
fdc_headreg = (val & 0x01) | 0xfe;
fdc->write_signal(SIG_MB8877_SIDEREG, val, 0x01);
-#ifdef _FM7_FDC_DEBUG
- p_emu->out_debug_log(_T("FDC: Set side/head: $%02x"), val);
-#endif
+//#ifdef _FM7_FDC_DEBUG
+ if(config.special_debug_fdc) out_debug_log(_T("FDC: Set side/head: $%02x"), val);
+//#endif
}
-uint8 FM7_MAINIO::get_fdc_fd1c(void)
+uint8_t FM7_MAINIO::get_fdc_fd1c(void)
{
if(!connect_fdc) return 0xff;
//fdc_headreg = fdc->read_signal(SIG_MB8877_SIDEREG);
return fdc_headreg;
}
-void FM7_MAINIO::set_fdc_fd1d(uint8 val)
+void FM7_MAINIO::set_fdc_fd1d(uint8_t val)
{
bool backup_motor = fdc_motor;
+ bool f;
if(!connect_fdc) return;
if((val & 0x80) != 0) {
- fdc_motor = true;
+ f = true;
} else {
- fdc_motor = false;
+ f = false;
}
#if defined(_FM77AV40) || defined(_FM77AV40EX) || defined(_FM77AV40SX) || \
- defined(_FM77AV20) || defined(_FM77AV20EX) || defined(_FM77AV20SX)
+ defined(_FM77AV20) || defined(_FM77AV20EX)
if((val & 0x40) == 0) {
fdc->write_signal(SIG_MB8877_DRIVEREG, fdc_drive_table[val & 0x03], 0x03);
} else {
fdc_drvsel = val;
#endif
- if(fdc_motor != backup_motor) {
+ if(f != backup_motor) {
if(event_fdc_motor >= 0) cancel_event(this, event_fdc_motor);
- if(fdc_motor) {
+ if(f) {
register_event(this, EVENT_FD_MOTOR_ON, 1000.0 * 300.0, false, &event_fdc_motor); // Motor ON After 0.3Sec.
} else {
register_event(this, EVENT_FD_MOTOR_OFF, 1000.0 * 50.0, false, &event_fdc_motor); // Motor OFF After 0.05Sec.
}
- //fdc->write_signal(SIG_MB8877_MOTOR, fdc_motor ? 0x01 : 0x00, 0x01);
}
-#ifdef _FM7_FDC_DEBUG
- p_emu->out_debug_log(_T("FDC: Set Drive Select: $%02x"), val);
-#endif
+//#ifdef _FM7_FDC_DEBUG
+ if(config.special_debug_fdc) out_debug_log(_T("FDC: Set Drive Select: $%02x"), val);
+//#endif
}
-uint8 FM7_MAINIO::get_fdc_fd1e(void)
+uint8_t FM7_MAINIO::get_fdc_fd1e(void)
{
#if defined(_FM77AV40) || defined(_FM77AV40EX) || defined(_FM77AV40SX) || \
- defined(_FM77AV20) || defined(_FM77AV20EX) || defined(_FM77AV20SX)
- uint8 val = 0xa0;
-// if(fdc->get_drive_type(fdc_drvsel & 0x03) == DRIVE_TYPE_2D) {
-// val |= 0x40;
-// }
-// val |= (fdc_reg_fd1e & 0x1f);
+ defined(_FM77AV20) || defined(_FM77AV20EX)
+ uint8_t val = 0xa0;
val |= (fdc_reg_fd1e & 0x5f);
+ if(config.special_debug_fdc) out_debug_log(_T("FDC: GET $FD1E value=$%02x"), val);
return val;
#else
+ //if(config.special_debug_fdc) out_debug_log(_T("FDC: GET $FD1E value=$%02x"), val);
return 0xff;
#endif
}
-void FM7_MAINIO::set_fdc_fd1e(uint8 val)
+void FM7_MAINIO::set_fdc_fd1e(uint8_t val)
{
#if defined(_FM77AV40) || defined(_FM77AV40EX) || defined(_FM77AV40SX) || \
- defined(_FM77AV20) || defined(_FM77AV20EX) || defined(_FM77AV20SX)
- uint8 drive;
+ defined(_FM77AV20) || defined(_FM77AV20EX)
+ uint8_t drive;
+ if(!connect_fdc) return;
fdc_reg_fd1e = val;
}
if((val & 0x40) != 0) {
for(drive = 0; drive < MAX_DRIVE; drive++) fdc->set_drive_type(drive, DRIVE_TYPE_2D);
- //emu->out_debug_log(_T("2D\n"));
+ if(config.special_debug_fdc) out_debug_log(_T("SET DRIVE to 2D"));
} else {
for(drive = 0; drive < MAX_DRIVE; drive++) fdc->set_drive_type(drive, DRIVE_TYPE_2DD);
- //emu->out_debug_log(_T("2DD\n"));
+ if(config.special_debug_fdc) out_debug_log(_T("SET DRIVE to 2DD"));
}
+ if(config.special_debug_fdc) out_debug_log(_T("FDC: SET $FD1E value=$%02x"), val);
#endif
}
+
void FM7_MAINIO::set_irq_mfd(bool flag)
{
-#if !defined(_FM8) // Which FM77?
bool backup = irqstat_fdc;
- irqreq_fdc = flag;
if(!connect_fdc) return;
if(flag) {
irqreg_fdc |= 0x40; //0b01000000;
} else {
irqreg_fdc &= 0xbf; //0b10111111;
}
+#if defined(_FM77_VARIANTS)
+ flag = flag & !(intmode_fdc);
+#endif
+//#if !defined(_FM8) // With FM8, $FD1F is alive and not do_irq(), Thanks to Anna_Wu.
irqstat_fdc = flag & !irqmask_mfd;
if(backup != irqstat_fdc) do_irq();
-#endif
+//#endif
return;
}
return;
}
-uint8 FM7_MAINIO::fdc_getdrqirq(void)
+uint8_t FM7_MAINIO::fdc_getdrqirq(void)
{
- uint8 val = irqreg_fdc | 0x3f;
- if((fdc->read_io8(0) & 0x01) == 0) val |= 0x40; // Workaround of 太陽の神殿
- irqreg_fdc |= 0x20; //0b00100000;
+ uint8_t val = irqreg_fdc | 0x3f;
+ if(!connect_fdc) return 0xff;
return val;
}
void FM7_MAINIO::set_fdc_motor(bool flag)
{
+ if(!connect_fdc) return;
+ uint8_t val;
fdc->write_signal(SIG_MB8877_MOTOR, flag ? 0x01 : 0x00, 0x01);
+ val = fdc_drvsel & 0x03;
+#if defined(_FM77AV40) || defined(_FM77AV40EX) || defined(_FM77AV40SX) || \
+ defined(_FM77AV20) || defined(_FM77AV20EX)
+ if((fdc_drvsel & 0x40) == 0) {
+ val = fdc_drive_table[val & 0x03];
+ }
+#endif
+ fdc_motor = (fdc->read_signal(SIG_MB8877_MOTOR) != 0);
+ fdc_motor = fdc_motor & (fdc->get_drive_type(val) != DRIVE_TYPE_UNK);
+ if(config.special_debug_fdc) out_debug_log(_T("FDC: MOTOR=%d VAL=$%02x"), flag, val);
+}
+
}
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