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[VM][FM7] Add Japanese communication board (日本語通信カード) .
[csp-qt/common_source_project-fm7.git] / source / src / vm / fm7 / fm7_mainio.cpp
index 33fce15..9d48ffc 100644 (file)
@@ -8,16 +8,18 @@
  *
  */
 
+#include "fm7.h"
 #include "fm7_mainio.h"
 
 #include "../mc6809.h"
 #include "../z80.h"
 
 #include "../datarec.h"
-
-// TEST
-#if !defined(_MSC_VER)
-#include <SDL2/SDL.h>
+#if defined(HAS_DMA)
+#include "hd6844.h"
+#endif
+#if defined(_FM8)
+#include "bubblecasette.h"
 #endif
 
 FM7_MAINIO::FM7_MAINIO(VM* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)
@@ -25,47 +27,86 @@ FM7_MAINIO::FM7_MAINIO(VM* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, paren
        int i;
        p_vm = parent_vm;
        p_emu = parent_emu;
+#if defined(_FM8)
+    psg = NULL;
+#else
+       for(i = 0; i < 3; i++) {
+               opn[i] = NULL;
+       }
+# if !defined(_FM77AV_VARIANTS)
+       psg = NULL;
+#endif
+#endif
+       drec = NULL;
+       pcm1bit = NULL;
+       joystick = NULL;
+       fdc = NULL;
+       printer = NULL;
+       
        kanjiclass1 = NULL;
        kanjiclass2 = NULL;
-       opn_psg_77av = false;
+
+       display = NULL;
+       keyboard = NULL;
+       maincpu = NULL;
+       mainmem = NULL;
+       subcpu = NULL;
+#ifdef WITH_Z80
+       z80 = NULL;
+#endif 
+#if defined(CAPABLE_JCOMMCARD)
+       jcommcard = NULL;
+#endif
+#if defined(_FM8)
+       bubble_casette[0] = NULL;
+       bubble_casette[1] = NULL;
+#endif 
        // FD00
        clock_fast = true;
-       lpt_strobe = false;
-       lpt_slctin = false;
+       lpt_strobe = false;  // bit6
+       lpt_slctin = false;  // bit7
        // FD01
        lpt_outdata = 0x00;
        // FD02
-       cmt_indat = false; // bit7
+       cmt_indat = true; // bit7
        cmt_invert = false; // Invert signal
-       lpt_det2 = false;
-       lpt_det1 = false;
-       lpt_pe = false;
-       lpt_ackng_inv = false;
-       lpt_error_inv = false;
-       lpt_busy = false;
+       irqstat_reg0 = 0xff;
+       
        // FD04
+#if defined(_FM77AV40) || defined(_FM77AV40EX) || defined(_FM77AV40SX) || \
+       defined(_FM77AV20) || defined(_FM77AV20EX) || defined(_FM77AV20SX) 
+       stat_kanjirom = true;    //  R/W : bit5, '0' = sub, '1' = main. FM-77 Only.
+#elif defined(_FM77_VARIANTS)
        stat_fdmode_2hd = false; //  R/W : bit6, '0' = 2HD, '1' = 2DD. FM-77 Only.
        stat_kanjirom = true;    //  R/W : bit5, '0' = sub, '1' = main. FM-77 Only.
        stat_400linecard = false;//  R/W : bit4, '0' = connected. FM-77 Only.
-       stat_400linemode = false; // R/W : bit3, '0' = 400line, '1' = 200line.
+#endif 
        firq_break_key = false; // bit1, ON = '0'.
        firq_sub_attention = false; // bit0, ON = '0'.
        intmode_fdc = false; // bit2, '0' = normal, '1' = SFD.
        // FD05
        extdet_neg = false;
-#ifdef WITH_Z80
-       z80_sel = false;    // bit0 : '1' = Z80. Maybe only FM-7/77.
-#endif
+       req_z80run = false;
+       z80_run = false;
        // FD06,07
        intstat_syndet = false;
        intstat_rxrdy = false;
        intstat_txrdy = false;
+       irqstat_timer = false;
+       irqstat_printer = false;
+       irqstat_keyboard = false;
        // FD0B
        // FD0D
        // FD0F
-       stat_romrammode = true; // ROM ON
-       
        // FD15/ FD46 / FD51
+#if defined(_FM8)
+       connect_psg = false;
+       {
+               opn_address[0] = 0x00;
+               opn_data[0] = 0x00;
+               opn_cmdreg[0] = 0;
+       }
+#else  
        connect_opn = false;
        connect_whg = false;
        connect_thg = false;
@@ -75,15 +116,13 @@ FM7_MAINIO::FM7_MAINIO(VM* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, paren
                opn_data[i] = 0x00;
                opn_cmdreg[i] = 0;
        }
-       joyport_a = 0x00;
-       joyport_b = 0x00;
-               
        intstat_whg = false;
        intstat_thg = false;
        // FD17
        intstat_opn = false;
        intstat_mouse = false;
        mouse_enable = false;
+#endif 
        // FD18-FD1F
        connect_fdc = false;
        fdc_statreg = 0x00;
@@ -94,7 +133,24 @@ FM7_MAINIO::FM7_MAINIO(VM* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, paren
        fdc_headreg = 0x00;
        fdc_drvsel = 0x00;
        fdc_motor = false;
-       irqstat_fdc = 0;
+       irqstat_fdc = false;
+       irqreg_fdc = 0xff; //0b11111111;
+       irqmask_syndet = true;
+       irqmask_rxrdy = true;
+       irqmask_txrdy = true;
+       irqmask_mfd = true;
+       irqmask_timer = true;
+       irqmask_printer = true;
+       irqmask_keyboard = true;
+       irqstat_reg0 = 0xff;
+       
+  
+       irqreq_syndet = false;
+       irqreq_rxrdy = false;
+       irqreq_txrdy = false;
+       irqreq_printer = false;
+       irqreq_keyboard = false;
+
        // FD20, FD21, FD22, FD23
        connect_kanjiroml1 = false;
 #if defined(_FM77AV_VARIANTS)
@@ -103,8 +159,21 @@ FM7_MAINIO::FM7_MAINIO(VM* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, paren
 #endif         
 #if defined(_FM77_VARIANTS) || defined(_FM77AV_VARIANTS)
        boot_ram = false;
-#endif         
+#endif
+
+#if defined(HAS_DMA)
+       dmac = NULL;
+#endif 
+       bootmode = config.boot_mode & 3;
        memset(io_w_latch, 0xff, 0x100);
+       initialize_output_signals(&clock_status);
+       initialize_output_signals(&printer_reset_bus);
+       initialize_output_signals(&printer_strobe_bus);
+       initialize_output_signals(&printer_select_bus);
+       initialize_output_signals(&irq_bus);
+       initialize_output_signals(&firq_bus);
+       initialize_output_signals(&nmi_bus);
+       set_device_name(_T("MAIN I/O"));
 }
 
 FM7_MAINIO::~FM7_MAINIO()
@@ -112,14 +181,15 @@ FM7_MAINIO::~FM7_MAINIO()
 }
 
 
-
 void FM7_MAINIO::initialize()
 {
-       int i;
        event_beep = -1;
        event_beep_oneshot = -1;
        event_timerirq = -1;
        event_fdc_motor = -1;
+       lpt_type = config.printer_type;
+       fdc_cmdreg = 0x00;
+       
 #if defined(_FM77_VARIANTS) || defined(_FM77AV_VARIANTS)
        boot_ram = false;
 # if defined(_FM77_VARIANTS)
@@ -131,22 +201,15 @@ void FM7_MAINIO::initialize()
 #  endif       
 # endif        
 #endif
-#ifdef HAS_MMR
-       mmr_enabled = false;
-       mmr_fast = false;
-       window_enabled = false;
-       //mmr_segment = 0x00;
-       window_offset = 0x0000;
-       //for(i = 0x00; i < 0x80; i++) {
-       //      mmr_table[i] = 0;
-       //}
-#endif 
-       keycode_7 = 0x00;
+#if defined(_FM77AV_VARIANTS)
+       reg_fd12 = 0xbc; // 0b10111100
+#endif         
+       bootmode = config.boot_mode & 3;
+       reset_printer();
 }
 
 void FM7_MAINIO::reset()
 {
-       int i;
        if(event_beep >= 0) cancel_event(this, event_beep);
        event_beep = -1;
        if(event_beep_oneshot >= 0) cancel_event(this, event_beep_oneshot);
@@ -155,69 +218,41 @@ void FM7_MAINIO::reset()
        beep_snd = true;
        beep_flag = false;
        register_event(this, EVENT_BEEP_CYCLE, (1000.0 * 1000.0) / (1200.0 * 2.0), true, &event_beep);
-   
+       // Sound
 #if defined(_FM77AV_VARIANTS)
-       opn_psg_77av = true;
        hotreset = false;
-#else
-       opn_psg_77av = false;
 #endif
-       connect_opn = false;
-       connect_thg = false;
-       connect_whg = false;
+       // Around boot rom
 #if defined(_FM77_VARIANTS)
-       boot_ram = (mainmem->read_signal(FM7_MAINIO_BOOTRAM_RW) == 0) ? false : true;
-#endif
-#if defined(_FM77AV_VARIANTS)
-       //enable_initiator = true;
-       //mainmem->write_signal(FM7_MAINIO_INITROM_ENABLED, (enable_initiator) ? 0xffffffff : 0 , 0xffffffff);
-       boot_ram = (mainmem->read_signal(FM7_MAINIO_BOOTRAM_RW) == 0) ? false : true;
+       boot_ram = false;
+#elif defined(_FM77AV_VARIANTS)
+       boot_ram = true;
 #endif
        // FD05
-       extdet_neg = false;
        sub_cancel = false; // bit6 : '1' Cancel req.
        sub_halt = false; // bit6 : '1' Cancel req.
        sub_cancel_bak = sub_cancel; // bit6 : '1' Cancel req.
        sub_halt_bak = sub_halt; // bit6 : '1' Cancel req.
-       //sub_busy = false;
-   
-       extdet_neg = false;
-   
-       //stat_romrammode = true;
-       // IF BASIC BOOT THEN ROM
-       // ELSE RAM
-       mainmem->write_signal(FM7_MAINIO_PUSH_FD0F, ((config.boot_mode & 3) == 0) ? 0xffffffff : 0, 0xffffffff);
-#if defined(_FM77AV_VARIANTS)
-       kaddress.d = 0;
-#elif defined(_FM77_VARIANTS)  
-       kaddress.d = 0;
-#endif 
+       req_z80run = false; // OK?
+       z80_run = false;
+
+       // FD02
+       cmt_indat = true; // bit7
+       cmt_invert = false; // Invert signal
+       lpt_det2 = true;
+       lpt_det1 = true;
+       lpt_type = config.printer_type;
+       reset_printer();
+       
 #if defined(_FM77AV_VARIANTS)
        sub_monitor_type = 0x00;
 #endif
-       
-#ifdef HAS_MMR
-       mmr_enabled = false;
-       mmr_fast = false;
-       window_enabled = false;
-       //mmr_segment = 0x00;
-       window_offset = 0x0000;
-       mainmem->write_signal(FM7_MAINIO_WINDOW_ENABLED, (window_enabled) ? 0xffffffff : 0, 0xffffffff);
-       mainmem->write_data8(FM7_MAINIO_WINDOW_OFFSET, window_offset);
-       mainmem->write_signal(FM7_MAINIO_FASTMMR_ENABLED, (mmr_fast) ? 0xffffffff : 0, 0xffffffff);
-       mainmem->write_signal(FM7_MAINIO_MMR_ENABLED, (mmr_enabled) ? 0xffffffff : 0, 0xffffffff);
-       //mainmem->write_data8(FM7_MAINIO_MMR_SEGMENT, mmr_segment);
-#endif
-       switch(config.cpu_type){
-               case 0:
-                       clock_fast = true;
-                       break;
-               case 1:
-                       clock_fast = false;
-                       break;
+       if(config.cpu_type == 0) {
+               clock_fast = true;
+       } else {
+               clock_fast = false;
        }
-       this->write_signal(FM7_MAINIO_CLOCKMODE, clock_fast ? 1 : 0, 1);
-       mainmem->write_signal(FM7_MAINIO_CLOCKMODE, clock_fast ? 1 : 0, 1);
+       this->write_signals(&clock_status, clock_fast ? 0xffffffff : 0);
    
        // FD03
        irqmask_syndet = true;
@@ -227,10 +262,8 @@ void FM7_MAINIO::reset()
        irqmask_timer = true;
        irqmask_printer = true;
        irqmask_keyboard = true;
-       
-       irqmask_reg0 = 0x00;
-   
        irqstat_reg0 = 0xff;
+       
        intstat_syndet = false;
        intstat_rxrdy = false;
        intstat_txrdy = false;
@@ -238,29 +271,73 @@ void FM7_MAINIO::reset()
        irqstat_printer = false;
        irqstat_keyboard = false;
   
+       irqreq_syndet = false;
+       irqreq_rxrdy = false;
+       irqreq_txrdy = false;
+       irqreq_printer = false;
+       irqreq_keyboard = false;
        // FD00
-       drec->write_signal(SIG_DATAREC_OUT, 0x00, 0x01);
-       drec->write_signal(SIG_DATAREC_REMOTE, 0x00, 0x02);
+       if(drec != NULL) {
+               drec->write_signal(SIG_DATAREC_MIC, 0x00, 0x01);
+               drec->write_signal(SIG_DATAREC_REMOTE, 0x00, 0x02);
+       }
        reset_fdc();
        reset_sound();
        
        // FD04
-       firq_sub_attention = false; // bit0, ON = '0'.
        firq_break_key = (keyboard->read_signal(SIG_FM7KEY_BREAK_KEY) != 0x00000000); // bit1, ON = '0'.
-       display->write_signal(SIG_FM7_SUB_KEY_MASK, 1, 1); 
-       display->write_signal(SIG_FM7_SUB_KEY_FIRQ, 0, 1);
-       maincpu->write_signal(SIG_CPU_FIRQ, 0, 1);
-   
+       set_sub_attention(false);       
+#if defined(_FM77AV40) || defined(_FM77AV40EX) || defined(_FM77AV40SX) || \
+       defined(_FM77AV20) || defined(_FM77AV20EX) || defined(_FM77AV20SX) 
+       stat_kanjirom = true;    //  R/W : bit5, '0' = sub, '1' = main. FM-77 Only.
+#elif defined(_FM77_VARIANTS)
+       stat_fdmode_2hd = false; //  R/W : bit6, '0' = 2HD, '1' = 2DD. FM-77 Only.
+       stat_kanjirom = true;    //  R/W : bit5, '0' = sub, '1' = main. FM-77 Only.
+#endif 
+       write_signals(&firq_bus, 0);
+       
+#if defined(HAS_DMA)
+       intstat_dma = false;
+       dma_addr = 0;
+#endif
+#if defined(_FM77AV_VARIANTS)
+       reg_fd12 = 0xbc; // 0b10111100
+#endif
+#if defined(WITH_Z80)
+       if(z80 != NULL) z80->write_signal(SIG_CPU_BUSREQ, 0xffffffff, 0xffffffff);
+#endif
+       maincpu->write_signal(SIG_CPU_BUSREQ, 0, 0xffffffff);
+       maincpu->write_signal(SIG_CPU_HALTREQ, 0, 0xffffffff);
+
+
+#if !defined(_FM8)
        register_event(this, EVENT_TIMERIRQ_ON, 10000.0 / 4.9152, true, &event_timerirq); // TIMER IRQ
+#endif
+       bootmode = config.boot_mode & 3;
        memset(io_w_latch, 0xff, 0x100);
-
-       //mainmem->reset();
-       //maincpu->write_signal(SIG_CPU_BUSREQ, 0, 1);
-       //maincpu->reset();
 }
 
+void FM7_MAINIO::reset_printer()
+{
+       lpt_slctin = false;
+       lpt_strobe = false;
+       // FD01
+       lpt_outdata = 0x00;
+       this->write_signals(&printer_strobe_bus, 0);
+       this->write_signals(&printer_select_bus, 0xffffffff);
+       this->write_signals(&printer_reset_bus, 0xffffffff);
+       register_event(this, EVENT_PRINTER_RESET_COMPLETED, 5.0 * 1000.0, false, NULL);
+       if(lpt_type == 0) {
+               printer->write_signal(SIG_PRINTER_STROBE, 0x00, 0xff);
+       }
+       lpt_busy = false;
+       lpt_error_inv = true;
+       lpt_ackng_inv = true;
+       lpt_pe = false;
+
+}
 
-void FM7_MAINIO::set_clockmode(uint8 flags)
+void FM7_MAINIO::set_clockmode(uint8_t flags)
 {
        bool f = clock_fast;
        if((flags & FM7_MAINCLOCK_SLOW) != 0) {
@@ -270,51 +347,87 @@ void FM7_MAINIO::set_clockmode(uint8 flags)
        }
        if(f != clock_fast) {
                this->write_signal(FM7_MAINIO_CLOCKMODE, clock_fast ? 1 : 0, 1);
-               mainmem->write_signal(FM7_MAINIO_CLOCKMODE, clock_fast ? 1 : 0, 1);
        }
 }
 
-uint8 FM7_MAINIO::get_clockmode(void)
+uint8_t FM7_MAINIO::get_clockmode(void)
 {
        if(!clock_fast) return FM7_MAINCLOCK_SLOW;
        return FM7_MAINCLOCK_HIGH;
 }
 
 
-uint8 FM7_MAINIO::get_port_fd00(void)
+uint8_t FM7_MAINIO::get_port_fd00(void)
 {
-       uint8 ret           = 0x7e; //0b01111110;
+       uint8_t ret           = 0x7e; //0b01111110;
+#if defined(_FM8)
+       ret = 0xfe;
+#else  
        if(keyboard->read_data8(0x00) != 0) ret |= 0x80; // High bit.
-       //if((keycode_7 & 0x100)  != 0) ret |= 0x80; // High bit.
+#endif 
        if(clock_fast) ret |= 0x01; //0b00000001;
        return ret;
 }
   
-void FM7_MAINIO::set_port_fd00(uint8 data)
+void FM7_MAINIO::set_port_fd00(uint8_t data)
 {
-       drec->write_signal(SIG_DATAREC_OUT, data, 0x01);
-       drec->write_signal(SIG_DATAREC_REMOTE, data, 0x02);
+       if(drec != NULL) {
+               drec->write_signal(SIG_DATAREC_MIC, data, 0x01);
+               drec->write_signal(SIG_DATAREC_REMOTE, data, 0x02);
+       }       
+       lpt_slctin = ((data & 0x80) == 0);
+       lpt_strobe = ((data & 0x40) != 0);
+       this->write_signals(&printer_strobe_bus, lpt_strobe ? 0xffffffff : 0);
+       this->write_signals(&printer_select_bus, lpt_slctin ? 0xffffffff : 0);
+       if((lpt_type == 0) && (lpt_slctin)) {
+               printer->write_signal(SIG_PRINTER_STROBE, lpt_strobe ? 0xff : 0x00, 0xff);
+       }
 }
    
-uint8 FM7_MAINIO::get_port_fd02(void)
+uint8_t FM7_MAINIO::get_port_fd02(void)
 {
-       uint8 ret;
-       // Still unimplemented printer.
-       ret = (cmt_indat) ? 0xff : 0x7f; // CMT 
+       uint8_t ret;
+       bool ack_bak = lpt_ackng_inv;
+
+       ret = (cmt_indat) ? 0xff : 0x7f; // CMT
+       if(lpt_type == 0) {
+               lpt_busy = (printer->read_signal(SIG_PRINTER_BUSY) != 0);
+               lpt_error_inv = true;
+               lpt_ackng_inv = (printer->read_signal(SIG_PRINTER_ACK) != 0);
+               lpt_pe = false;
+       } else if((lpt_type == 1) || (lpt_type == 2)) {
+               lpt_pe = (joystick->read_data8(lpt_type + 1) != 0); // check joy port;
+               lpt_busy = true;
+               lpt_error_inv = true;
+               lpt_ackng_inv = true;
+       } else {
+               lpt_busy = true;
+               lpt_error_inv = true;
+               lpt_ackng_inv = true;
+               lpt_pe = true;
+       }
+       ret &= (lpt_busy)      ? 0xff : ~0x01;
+       ret &= (lpt_error_inv) ? 0xff : ~0x02;
+       ret &= (lpt_ackng_inv) ? 0xff : ~0x04;
+       ret &= (lpt_pe)        ? 0xff : ~0x08;
+       ret &= (lpt_det1)      ? 0xff : ~0x10;
+       ret &= (lpt_det2)      ? 0xff : ~0x20;
+       if((lpt_ackng_inv == true) && (ack_bak == false)) set_irq_printer(true);
        return ret;
 }
 
-void FM7_MAINIO::set_port_fd02(uint8 val)
+void FM7_MAINIO::set_port_fd02(uint8_t val)
 {
+#if !defined(_FM8)     
        irqmask_reg0 = val;
        bool syndetirq_bak = irqmask_syndet;
-       bool rxrdyirq_bak = irqmask_rxrdy;
-       bool txrdyirq_bak = irqmask_txrdy;
+       //bool rxrdyirq_bak = irqmask_rxrdy;
+       //bool txrdyirq_bak = irqmask_txrdy;
        
        bool keyirq_bak = irqmask_keyboard;
-       bool timerirq_bak = irqmask_timer;
-       bool printerirq_bak = irqmask_printer;
-       bool mfdirq_bak = irqmask_mfd;
+       //bool timerirq_bak = irqmask_timer;
+       //bool printerirq_bak = irqmask_printer;
+       //bool mfdirq_bak = irqmask_mfd;
        
        //      if((val & 0b00010000) != 0) {
        if((val & 0x80) != 0) {
@@ -323,51 +436,48 @@ void FM7_MAINIO::set_port_fd02(uint8 val)
                irqmask_syndet = true;
        }
        if(syndetirq_bak != irqmask_syndet) {
-               set_irq_txrdy(intstat_syndet);
+               set_irq_txrdy(irqreq_syndet);
        }
        if((val & 0x40) != 0) {
                irqmask_rxrdy = false;
        } else {
                irqmask_rxrdy = true;
        }
-       if(rxrdyirq_bak != irqmask_rxrdy) {
-               set_irq_rxrdy(intstat_rxrdy);
-       }
+//     if(rxrdyirq_bak != irqmask_rxrdy) {
+//             set_irq_rxrdy(irqreq_rxrdy);
+//     }
        if((val & 0x20) != 0) {
                irqmask_txrdy = false;
        } else {
                irqmask_txrdy = true;
        }
-       if(txrdyirq_bak != irqmask_txrdy) {
-               set_irq_txrdy(intstat_txrdy);
-       }
+//     if(txrdyirq_bak != irqmask_txrdy) {
+       //              set_irq_txrdy(irqreq_txrdy);
+//     }
        
        if((val & 0x10) != 0) {
                irqmask_mfd = false;
        } else {
                irqmask_mfd = true;
        }
-       if(mfdirq_bak != irqmask_mfd) {
-               set_irq_mfd(irqstat_fdc);
-       }
 
        if((val & 0x04) != 0) {
                irqmask_timer = false;
        } else {
                irqmask_timer = true;
        }
-       if(timerirq_bak != irqmask_timer) {
-               set_irq_timer(irqstat_timer);
-       }
+//     if(timerirq_bak != irqmask_timer) {
+//             set_irq_timer(false);
+//     }
 
        if((val & 0x02) != 0) {
                irqmask_printer = false;
        } else {
                irqmask_printer = true;
        }
-       if(printerirq_bak != irqmask_printer) {
-               set_irq_printer(irqstat_printer);
-       }
+//     if(printerirq_bak != irqmask_printer) {
+//             set_irq_printer(irqreq_printer);
+//     }
    
        if((val & 0x01) != 0) {
                irqmask_keyboard = false;
@@ -376,20 +486,19 @@ void FM7_MAINIO::set_port_fd02(uint8 val)
        }
        if(keyirq_bak != irqmask_keyboard) {
                display->write_signal(SIG_FM7_SUB_KEY_MASK, irqmask_keyboard ? 1 : 0, 1); 
-               if(irqmask_keyboard) {
-                       irqstat_reg0 |= 0x01;
-                       irqstat_keyboard = false;          
-                       do_irq();
-               } else {
-                       set_irq_keyboard(false);
-               }
+               set_irq_keyboard(irqreq_keyboard);
        }
+#endif 
        return;
 }
 
 void FM7_MAINIO::set_irq_syndet(bool flag)
 {
        bool backup = intstat_syndet;
+       irqreq_syndet = flag;
+#if defined(_FM8)
+       intstat_syndet = flag;
+#else  
        if(flag && !(irqmask_syndet)) {
          //irqstat_reg0 &= ~0x80; //~0x20;
                intstat_syndet = true;     
@@ -397,14 +506,18 @@ void FM7_MAINIO::set_irq_syndet(bool flag)
          //    irqstat_reg0 |= 0x80;
                intstat_syndet = false;    
        }
+#endif 
        if(backup != intstat_syndet) do_irq();
-       //printf("IRQ TIMER: %02x MASK=%d\n", irqstat_reg0, irqmask_timer);
 }
 
 
 void FM7_MAINIO::set_irq_rxrdy(bool flag)
 {
        bool backup = intstat_rxrdy;
+       irqreq_rxrdy = flag;
+#if defined(_FM8)
+       intstat_rxrdy = flag;
+#else  
        if(flag && !(irqmask_rxrdy)) {
          //irqstat_reg0 &= ~0x40; //~0x20;
                intstat_rxrdy = true;      
@@ -412,8 +525,8 @@ void FM7_MAINIO::set_irq_rxrdy(bool flag)
          //irqstat_reg0 |= 0x40;
                intstat_rxrdy = false;     
        }
+#endif 
        if(backup != intstat_rxrdy) do_irq();
-       //printf("IRQ TIMER: %02x MASK=%d\n", irqstat_reg0, irqmask_timer);
 }
 
 
@@ -421,6 +534,10 @@ void FM7_MAINIO::set_irq_rxrdy(bool flag)
 void FM7_MAINIO::set_irq_txrdy(bool flag)
 {
        bool backup = intstat_txrdy;
+       irqreq_txrdy = flag;
+#if defined(_FM8)
+       intstat_txrdy = flag;
+#else  
        if(flag && !(irqmask_txrdy)) {
          //irqstat_reg0 &= ~0x20; //~0x20;
                intstat_txrdy = true;      
@@ -428,53 +545,52 @@ void FM7_MAINIO::set_irq_txrdy(bool flag)
          //irqstat_reg0 |= 0x20;
                intstat_txrdy = false;     
        }
+#endif 
        if(backup != intstat_txrdy) do_irq();
-       //printf("IRQ TIMER: %02x MASK=%d\n", irqstat_reg0, irqmask_timer);
 }
 
 
 void FM7_MAINIO::set_irq_timer(bool flag)
 {
-       uint8 backup = irqstat_reg0;
-       if(flag && !(irqmask_timer)) {
+#if !defined(_FM8)
+       if(flag) {
                irqstat_reg0 &= 0xfb; //~0x04;
                irqstat_timer = true;      
        } else {
                irqstat_reg0 |= 0x04;
                irqstat_timer = false;     
        }
-       if(backup != irqstat_reg0) do_irq();
-       //printf("IRQ TIMER: %02x MASK=%d\n", irqstat_reg0, irqmask_timer);
+       do_irq();
+#endif 
 }
 
 void FM7_MAINIO::set_irq_printer(bool flag)
 {
-       uint8 backup = irqstat_reg0;
+#if !defined(_FM8)
+       irqreq_printer = flag;
        if(flag && !(irqmask_printer)) {
                irqstat_reg0 &= ~0x02;
                irqstat_printer = true;    
-               if(backup != irqstat_reg0) do_irq();
        } else {
                irqstat_reg0 |= 0x02;
                irqstat_printer = false;           
-               if(backup != irqstat_reg0) do_irq();
        }
-//     if(!irqmask_printer || !flag) do_irq();
+       do_irq();
+#endif 
 }
 
 void FM7_MAINIO::set_irq_keyboard(bool flag)
 {
-       uint8 backup = irqstat_reg0;
+       //uint8_t backup = irqstat_reg0;
        //printf("MAIN: KEYBOARD: IRQ=%d MASK=%d\n", flag ,irqmask_keyboard);
-       if(irqmask_keyboard) return;
-       if(flag) {
+       irqreq_keyboard = flag;
+       if(flag && !irqmask_keyboard) {
                irqstat_reg0 &= 0xfe;
                irqstat_keyboard = true;
        } else {
                irqstat_reg0 |= 0x01;
                irqstat_keyboard = false;          
        }
-       //if(irqstat_reg0 != backup) do_irq();
        do_irq();
 }
 
@@ -482,35 +598,35 @@ void FM7_MAINIO::set_irq_keyboard(bool flag)
 void FM7_MAINIO::do_irq(void)
 {
        bool intstat;
+       uint32_t nval;
+#if defined(_FM8)
+       intstat = intstat_txrdy | intstat_rxrdy | intstat_syndet;
+#else  
        intstat = irqstat_timer | irqstat_keyboard | irqstat_printer;
        intstat = intstat | irqstat_fdc;
        intstat = intstat | intstat_opn | intstat_whg | intstat_thg;
        intstat = intstat | intstat_txrdy | intstat_rxrdy | intstat_syndet;
        intstat = intstat | intstat_mouse;
-   
-       //printf("%08d : IRQ: REG0=%02x FDC=%02x, stat=%d\n", SDL_GetTicks(), irqstat_reg0, irqstat_fdc, intstat);
-       if(intstat) {
-               maincpu->write_signal(SIG_CPU_IRQ, 1, 1);
-       } else {
-               maincpu->write_signal(SIG_CPU_IRQ, 0, 1);
-       }
+# if defined(HAS_DMA)
+       intstat = intstat | intstat_dma;
+# endif
+#endif
+       nval = (intstat) ? 0xffffffff : 0;
+       write_signals(&irq_bus, nval);
 }
 
 void FM7_MAINIO::do_firq(void)
 {
        bool firq_stat;
-       firq_stat = firq_break_key | firq_sub_attention; 
-       //printf("%08d : FIRQ: break=%d attn=%d stat = %d\n", SDL_GetTicks(), firq_break_key, firq_sub_attention, firq_stat);
-       if(firq_stat) {
-               maincpu->write_signal(SIG_CPU_FIRQ, 1, 1);
-       } else {
-               maincpu->write_signal(SIG_CPU_FIRQ, 0, 1);
-       }
+       uint32_t nval;
+       firq_stat = firq_break_key | firq_sub_attention;
+       nval = (firq_stat) ? 0xffffffff : 0;
+       write_signals(&firq_bus, nval);
 }
 
 void FM7_MAINIO::do_nmi(bool flag)
 {
-       maincpu->write_signal(SIG_CPU_NMI, flag ? 1 : 0, 1);
+       write_signals(&nmi_bus, (flag) ? 0xffffffff : 0);
 }
 
 
@@ -527,15 +643,30 @@ void FM7_MAINIO::set_sub_attention(bool flag)
 }
   
 
-uint8 FM7_MAINIO::get_fd04(void)
+uint8_t FM7_MAINIO::get_fd04(void)
 {
-       uint8 val = 0x7c;
+       uint8_t val = 0x00;
+       bool f;
        if(display->read_signal(SIG_DISPLAY_BUSY) != 0) val |= 0x80;
-       if(!firq_break_key) val |= 0x02;
+       
+       //f = keyboard->read_signal(SIG_FM7KEY_BREAK_KEY);
+       f = firq_break_key;
+       if(!f) val |= 0x02;
        if(!firq_sub_attention) {
                val |= 0x01;
        }
-       if(firq_sub_attention) set_sub_attention(false);
+#if defined(_FM77_VARIANTS)
+       if(stat_fdmode_2hd) val |= 0x40;
+       if(stat_kanjirom)   val |= 0x20;
+       if(stat_400linecard) val |= 0x10;
+       if((display->read_signal(SIG_DISPLAY_EXTRA_MODE) & 0x04) != 0x00) val |= 0x04;
+#else
+       val |= 0x7c;
+#endif 
+       if(firq_sub_attention) {
+               set_sub_attention(false);
+               //printf("Attention \n");
+       }
 #if defined(_FM77AV_VARIANTS)
        if(hotreset) {
                if(mainmem->read_signal(FM7_MAINIO_INITROM_ENABLED) == 0) {
@@ -547,26 +678,30 @@ uint8 FM7_MAINIO::get_fd04(void)
        return val;
 }
 
-void FM7_MAINIO::set_fd04(uint8 val)
+void FM7_MAINIO::set_fd04(uint8_t val)
 {
        // NOOP?
 #if defined(_FM77AV40) || defined(_FM77AV40EX) || defined(_FM77AV40SX)
        display->write_signal(SIG_DISPLAY_EXTRA_MODE, val, 0xff);
-#endif
+       stat_kanjirom = ((val & 0x20) != 0);
+#elif defined(_FM77_VARIANTS)
+       display->write_signal(SIG_DISPLAY_EXTRA_MODE, val, 0xff);
+       stat_fdmode_2hd  = ((val & 0x40) != 0);
+       stat_kanjirom    = ((val & 0x20) != 0);
+       stat_400linecard = ((val & 0x10) != 0);
+#endif 
 }
 
   // FD05
- uint8 FM7_MAINIO::get_fd05(void)
+ uint8_t FM7_MAINIO::get_fd05(void)
 {
-       uint8 val = 0x7e;
-       //val = (sub_busy) ? 0xfe : 0x7e;
+       uint8_t val = 0x7e;
        if(display->read_signal(SIG_DISPLAY_BUSY) != 0) val |= 0x80;
        if(!extdet_neg) val |= 0x01;
-       //printf("FD05: READ: %d VAL=%02x\n", SDL_GetTicks(), val);
        return val;
 }
 
- void FM7_MAINIO::set_fd05(uint8 val)
+ void FM7_MAINIO::set_fd05(uint8_t val)
 {
        sub_cancel = ((val & 0x40) != 0) ? true : false;
        sub_halt   = ((val & 0x80) != 0) ? true : false;
@@ -581,11 +716,11 @@ void FM7_MAINIO::set_fd04(uint8 val)
        sub_cancel_bak = sub_cancel;
 #ifdef WITH_Z80
        if((val & 0x01) != 0) {
-               maincpu->write_signal(SIG_CPU_BUSREQ, 1, 1);
-               z80->write_signal(SIG_CPU_BUSREQ, 0, 1);
+               maincpu->write_signal(SIG_CPU_HALTREQ, 1, 1);
+               req_z80run = true;
        } else {
-               maincpu->write_signal(SIG_CPU_BUSREQ, 0, 1);
-               z80->write_signal(SIG_CPU_BUSREQ, 1, 1);
+               req_z80run = false;
+               if(z80 != NULL) z80->write_signal(SIG_CPU_BUSREQ, 1, 1);
        }
 #endif
 }
@@ -597,10 +732,26 @@ void FM7_MAINIO::set_extdet(bool flag)
 
 void FM7_MAINIO::write_fd0f(void)
 {
+#if defined(_FM8)
+       if((config.dipswitch & FM7_DIPSW_FM8_PROTECT_FD0F) != 0) {
+               return;
+       }
+       bootmode = 1; // DOS : Where BUBBLE?
+       mainmem->write_signal(FM7_MAINIO_BOOTMODE, bootmode, 0xffffffff);
+       mainmem->write_signal(FM7_MAINIO_IS_BASICROM, 0, 0xffffffff);
+#endif 
        mainmem->write_signal(FM7_MAINIO_PUSH_FD0F, 0, 0xffffffff);
 }
-uint8 FM7_MAINIO::read_fd0f(void)
+uint8_t FM7_MAINIO::read_fd0f(void)
 {
+#if defined(_FM8)
+       if((config.dipswitch & FM7_DIPSW_FM8_PROTECT_FD0F) != 0) {
+               return 0xff;
+       }
+       bootmode = 0; // BASIC
+       mainmem->write_signal(FM7_MAINIO_BOOTMODE, bootmode, 0xffffffff);
+       mainmem->write_signal(FM7_MAINIO_IS_BASICROM, 0xffffffff, 0xffffffff);
+#endif 
        mainmem->write_signal(FM7_MAINIO_PUSH_FD0F, 0xffffffff, 0xffffffff);
        return 0xff;
 }
@@ -612,88 +763,95 @@ bool FM7_MAINIO::get_rommode_fd0f(void)
 
 
 // Kanji ROM, FD20 AND FD21 (or SUBSYSTEM)
-void FM7_MAINIO::write_kanjiaddr_hi(uint8 addr)
+void FM7_MAINIO::write_kanjiaddr_hi(uint8_t addr)
 {
        if(!connect_kanjiroml1) return;
-       kaddress.b.h = addr;
+#if defined(_FM77AV40) || defined(_FM77AV40EX) || defined(_FM77AV40SX) || \
+    defined(_FM77AV20) || defined(_FM77AV20EX) || defined(_FM77AV20SX)
+       if(!stat_kanjirom) return;
+#endif 
+       kanjiclass1->write_data8(KANJIROM_ADDR_HI, addr);
        return;
 }
 
-void FM7_MAINIO::write_kanjiaddr_lo(uint8 addr)
+void FM7_MAINIO::write_kanjiaddr_lo(uint8_t addr)
 {
        if(!connect_kanjiroml1) return;
-       kaddress.b.l = addr;
+#if defined(_FM77AV40) || defined(_FM77AV40EX) || defined(_FM77AV40SX) || \
+    defined(_FM77AV20) || defined(_FM77AV20EX) || defined(_FM77AV20SX)
+       if(!stat_kanjirom) return;
+#endif 
+       kanjiclass1->write_data8(KANJIROM_ADDR_LO, addr);
        return;
 }
 
-uint8 FM7_MAINIO::read_kanjidata_left(void)
+uint8_t FM7_MAINIO::read_kanjidata_left(void)
 {
-       uint32 addr;
-    
        if(!connect_kanjiroml1) return 0xff;
-       addr = kaddress.w.l;
-       addr = addr << 1;
+#if defined(_FM77AV40) || defined(_FM77AV40EX) || defined(_FM77AV40SX) || \
+    defined(_FM77AV20) || defined(_FM77AV20EX) || defined(_FM77AV20SX)
+       if(!stat_kanjirom) return 0xff;
+#endif 
        //printf("KANJI MAIN CLASS1 ADDR: %05x\n", kaddress.w.l);
        if(kanjiclass1) {
-               return kanjiclass1->read_data8(addr);
+               return kanjiclass1->read_data8(KANJIROM_DATA_HI);
        } else {
                return 0xff;
        }
 }
 
-uint8 FM7_MAINIO::read_kanjidata_right(void)
+uint8_t FM7_MAINIO::read_kanjidata_right(void)
 {
-       uint32 addr;
-    
        if(!connect_kanjiroml1) return 0xff;
-       addr = kaddress.w.l;
-       addr = (addr << 1) + 1;
+#if defined(_FM77AV40) || defined(_FM77AV40EX) || defined(_FM77AV40SX) || \
+    defined(_FM77AV20) || defined(_FM77AV20EX) || defined(_FM77AV20SX)
+       if(!stat_kanjirom) return 0xff;
+#endif 
        if(kanjiclass1) {
-               return kanjiclass1->read_data8(addr);
+               return kanjiclass1->read_data8(KANJIROM_DATA_LO);
        } else {
                return 0xff;
        }
 }
 
-#ifdef CAPABLE_KANJICLASS2
+#ifdef CAPABLE_KANJI_CLASS2
 // Kanji ROM, FD20 AND FD21 (or SUBSYSTEM)
-void FM7_MAINIO::write_kanjiaddr_hi_l2(uint8 addr)
+void FM7_MAINIO::write_kanjiaddr_hi_l2(uint8_t addr)
 {
        if(!connect_kanjiroml2) return;
-       kaddress_l2.b.h = addr;
+       if(!stat_kanjirom) return;
+       kanjiclass2->write_data8(KANJIROM_ADDR_HI, addr);
        return;
 }
 
-void FM7_MAINIO::write_kanjiaddr_lo_l2(uint8 addr)
+void FM7_MAINIO::write_kanjiaddr_lo_l2(uint8_t addr)
 {
        if(!connect_kanjiroml2) return;
-       kaddress_l2.b.l = addr;
+       if(!stat_kanjirom) return;
+       kanjiclass2->write_data8(KANJIROM_ADDR_LO, addr);
+       
        return;
 }
 
-uint8 FM7_MAINIO::read_kanjidata_left_l2(void)
+uint8_t FM7_MAINIO::read_kanjidata_left_l2(void)
 {
-       uint32 addr;
-    
        if(!connect_kanjiroml2) return 0xff;
-       addr = kaddress.w.l;
-       addr = addr << 1;
+       if(!stat_kanjirom) return 0xff;
+       
        if(kanjiclass2) {
-               return kanjiclass2->read_data8(addr);
+               return kanjiclass2->read_data8(KANJIROM_DATA_HI);
        } else {
                return 0xff;
        }
 }
 
-uint8 FM7_MAINIO::read_kanjidata_right_l2(void)
+uint8_t FM7_MAINIO::read_kanjidata_right_l2(void)
 {
-       uint32 addr;
-    
        if(!connect_kanjiroml2) return 0xff;
-       addr = kaddress_l2.w.l;
-       addr = (addr << 1) + 0x01;
+       if(!stat_kanjirom) return 0xff;
+       
        if(kanjiclass2) {
-               return kanjiclass2->read_data8(addr);
+               return kanjiclass2->read_data8(KANJIROM_DATA_LO);
        } else {
                return 0xff;
        }
@@ -701,9 +859,9 @@ uint8 FM7_MAINIO::read_kanjidata_right_l2(void)
 #endif
 
 
-uint32 FM7_MAINIO::read_signal(int id)
+uint32_t FM7_MAINIO::read_signal(int id)
 {
-       uint32 retval;
+       uint32_t retval;
        switch(id) {
                case FM7_MAINIO_KEYBOARDIRQ_MASK:
                        retval = (irqmask_keyboard) ? 0xffffffff : 0x00000000;
@@ -716,7 +874,7 @@ uint32 FM7_MAINIO::read_signal(int id)
 }
 
 
-void FM7_MAINIO::write_signal(int id, uint32 data, uint32 mask)
+void FM7_MAINIO::write_signal(int id, uint32_t data, uint32_t mask)
 {
        bool val_b;
        val_b = ((data & mask) != 0);
@@ -731,40 +889,7 @@ void FM7_MAINIO::write_signal(int id, uint32 data, uint32 mask)
                        } else {
                                clock_fast = false;
                        }
-                       {
-                               uint32 clocks = 1794000;
-#if defined(_FM77AV_VARIANTS) || defined(_FM77_VARIANTS)
-                               if(mmr_enabled) {
-                                       if(mmr_fast) {
-                                               if(clock_fast) {
-                                                       clocks = 2016000; // Hz
-                                               } else {
-                                                       clocks = 1230502; // (2016 * 1095 / 1794)[KHz]
-                                               }
-                                       } else {
-                                               if(clock_fast) {
-                                                       clocks = 1565000; // Hz
-                                               } else {
-                                                       clocks =  955226; // (1565 * 1095 / 1794)[KHz]
-                                               }
-                                       }
-                               } else {
-                                       if(clock_fast) {
-                                               clocks = 1794000; // Hz 
-                                       } else {
-                                               clocks = 1095000; // Hz
-                                       }
-                               }
-#else // 7/8
-                               if(clock_fast) {
-                                       clocks = 1794000; // Hz 
-                               } else {
-                                       clocks = 1095000; // Hz
-                               }
-#endif
-                               p_vm->set_cpu_clock(this->maincpu, clocks);
-                               display->write_signal(SIG_DISPLAY_CLOCK, clock_fast ? 1 : 0, 1);
-                       }
+                       this->write_signals(&clock_status, clock_fast ? 0xffffffff : 0);
                        break;
                case FM7_MAINIO_CMT_RECV: // FD02
                        cmt_indat = val_b ^ cmt_invert;
@@ -778,12 +903,31 @@ void FM7_MAINIO::write_signal(int id, uint32 data, uint32 mask)
                case FM7_MAINIO_LPTIRQ: //
                        set_irq_printer(val_b);
                        break;
+               case FM7_MAINIO_LPT_BUSY:
+                       lpt_busy = val_b;
+                       break;
+               case FM7_MAINIO_LPT_ERROR:
+                       lpt_error_inv = val_b;
+                       break;
+               case FM7_MAINIO_LPT_ACK:
+                       {
+                               bool f = lpt_ackng_inv;
+                               lpt_ackng_inv = val_b;
+                               if((lpt_ackng_inv == true) && (f == false)) set_irq_printer(true);
+                       }
+                       break;
+               case FM7_MAINIO_LPT_PAPER_EMPTY:
+                       lpt_busy = val_b;
+                       break;
+               case FM7_MAINIO_LPT_DET1:
+                       lpt_det1 = val_b;
+                       break;
+               case FM7_MAINIO_LPT_DET2:
+                       lpt_det2 = val_b;
+                       break;
                case FM7_MAINIO_KEYBOARDIRQ: //
                        set_irq_keyboard(val_b);
                        break;
-               case SIG_FM7KEY_PUSH_DATA: //
-                       keycode_7 = data & 0x1ff;
-                       break;
                        // FD04
                case FM7_MAINIO_PUSH_BREAK:
                        set_break_key(val_b);
@@ -803,111 +947,145 @@ void FM7_MAINIO::write_signal(int id, uint32 data, uint32 mask)
                case FM7_MAINIO_BEEP:
                        set_beep_oneshot();
                        break;
-               case FM7_MAINIO_JOYPORTA_CHANGED:
-                       joyport_a = data & mask;
+               case FM7_MAINIO_PSG_IRQ:
                        break;
-               case FM7_MAINIO_JOYPORTB_CHANGED:
-                       joyport_b = data & mask;
+#if defined(WITH_Z80)
+               case FM7_MAINIO_RUN_Z80:
+                       if((req_z80run)/*  && (val_b) */) {
+                               if(z80 != NULL) z80->write_signal(SIG_CPU_BUSREQ, 0, 1);
+                               z80_run = true;
+                               //z80->reset(); // OK?
+                       }
                        break;
-               case FM7_MAINIO_PSG_IRQ:
+               case FM7_MAINIO_RUN_6809:
+                       if(!(req_z80run) /* && (val_b) */ && (z80_run)) {
+                               z80_run = false;
+                               // Wait dead cycle?
+                               maincpu->write_signal(SIG_CPU_HALTREQ, 0, 1);
+                       }
                        break;
+#endif
+#if !defined(_FM8)                     
                case FM7_MAINIO_OPN_IRQ:
                        if(!connect_opn) break;
                        intstat_opn = val_b;
                        do_irq();
-                               break;
+                       break;
                case FM7_MAINIO_WHG_IRQ:
                        if(!connect_whg) break;
                        intstat_whg = val_b;
                        do_irq();
-                               break;
+                       break;
                case FM7_MAINIO_THG_IRQ:
                        if(!connect_thg) break;
                        intstat_thg = val_b;
                        do_irq();
-                               break;
+                       break;
+#endif                 
                case FM7_MAINIO_FDC_DRQ:
                        set_drq_mfd(val_b);
                        break;
                case FM7_MAINIO_FDC_IRQ:
                        set_irq_mfd(val_b);
                        break;
-               case FM7_MAINIO_KANJI1_ADDR_HIGH:
-                       kaddress.b.h = data;
+#if defined(HAS_DMA)
+               case FM7_MAINIO_DMA_INT:
+                       intstat_dma = val_b;
+                       do_irq();
                        break;
-               case FM7_MAINIO_KANJI1_ADDR_LOW:
-                       kaddress.b.l = data;
+#endif
+#if defined(_FM77AV_VARIANTS)
+               case SIG_DISPLAY_DISPLAY:
+                       if(val_b) {
+                               reg_fd12 |= 0x02;
+                       } else {
+                               reg_fd12 &= ~0x02;
+                       }
                        break;
-#if defined(CAPABLE_KANJI_CLASS2)
-               case FM7_MAINIO_KANJI2_ADDR_HIGH:
-                       kaddress_l2.b.h = data;
+               case SIG_DISPLAY_VSYNC:
+                       if(val_b) {
+                               reg_fd12 |= 0x01;
+                       } else {
+                               reg_fd12 &= ~0x01;
+                       }
                        break;
-               case FM7_MAINIO_KANJI2_ADDR_LOW:
-                       kaddress_l2.b.l = data;
+               case SIG_DISPLAY_MODE320:
+                       if(val_b) {
+                               reg_fd12 |= 0x40;
+                       } else {
+                               reg_fd12 &= ~0x40;
+                       }
                        break;
-#endif
+#endif                 
        }
-       
 }
 
 
- uint8 FM7_MAINIO::get_irqstat_fd03(void)
+ uint8_t FM7_MAINIO::get_irqstat_fd03(void)
 {
-       uint8 val;
-       bool extirq = false;
-       
+       uint8_t val;
+       bool extirq;
+#if !defined(_FM8)     
        extirq = irqstat_fdc | intstat_opn | intstat_whg | intstat_thg;
        extirq = extirq | intstat_syndet | intstat_rxrdy | intstat_txrdy;
+# if defined(HAS_DMA)
+       extirq = extirq | intstat_dma;
+# endif   
        if(extirq) {
                irqstat_reg0 &= ~0x08;
        } else {
                irqstat_reg0 |= 0x08;
        }
        val = irqstat_reg0 | 0xf0;
-       set_irq_timer(false);
-       set_irq_printer(false);
+       // Not call do_irq() twice. 20151221 
+       irqstat_timer = false;
+       irqstat_printer = false;
+       irqstat_reg0 |= 0x06;
+       do_irq();
+       //this->out_debug_log(_T("IO: Check IRQ Status."));
        return val;
+#else
+       return 0xff;
+#endif
 }
 
-uint8 FM7_MAINIO::get_extirq_fd17(void)
+uint8_t FM7_MAINIO::get_extirq_fd17(void)
 {
-       uint8 val = 0xff;
+       uint8_t val = 0xff;
+#if !defined(_FM8)     
        if(intstat_opn && connect_opn)   val &= ~0x08;
        if(intstat_mouse) val &= ~0x04;
-       //if(!intstat_opn && !intstat_mouse) do_irq(false);
+#endif
        return val;
 }
 
-void FM7_MAINIO::set_ext_fd17(uint8 data)
+void FM7_MAINIO::set_ext_fd17(uint8_t data)
 {
+#if !defined(_FM8)
        if((data & 0x04) != 0) {
                mouse_enable = true;
        } else {
                mouse_enable = false;
        }
-   
+#endif
 }
+
 #if defined(_FM77AV_VARIANTS)
 // FD12
-uint8 FM7_MAINIO::subsystem_read_status(void)
+uint8_t FM7_MAINIO::subsystem_read_status(void)
 {
-       uint8 retval;
-       retval = (display->read_signal(SIG_DISPLAY_MODE320) != 0) ? 0x40 : 0;
-       retval |= display->read_signal(SIG_DISPLAY_VSYNC);
-       retval |= display->read_signal(SIG_DISPLAY_DISPLAY);
-       retval |= ~0x43;
-       return retval;
+       return reg_fd12;
 }
 #endif
 
 
-uint32 FM7_MAINIO::read_io8(uint32 addr)
+uint32_t FM7_MAINIO::read_io8(uint32_t addr)
 { // This is only for debug.
        addr = addr & 0xfff;
        if(addr < 0x100) {
                return io_w_latch[addr];
        } else if(addr < 0x500) {
-               uint32 ofset = addr & 0xff;
+               uint32_t ofset = addr & 0xff;
                uint opnbank = (addr - 0x100) >> 8;
                return opn_regs[opnbank][ofset];
        } else if(addr < 0x600) {
@@ -916,19 +1094,28 @@ uint32 FM7_MAINIO::read_io8(uint32 addr)
        return 0xff;
 }
 
+uint32_t FM7_MAINIO::read_dma_io8(uint32_t addr)
+{
+       return this->read_data8(addr & 0xff);
+}
+
+uint32_t FM7_MAINIO::read_dma_data8(uint32_t addr)
+{
+       return this->read_data8(addr & 0xff);
+}
 
-uint32 FM7_MAINIO::read_data8(uint32 addr)
+uint32_t FM7_MAINIO::read_data8(uint32_t addr)
 {
-       uint32 retval;
-       uint32 mmr_segment;
+       uint32_t retval;
+       uint32_t mmr_segment;
        if(addr < FM7_MAINIO_IS_BASICROM) {   
                addr = addr & 0xff;
                retval = 0xff;
 #if defined(HAS_MMR)
                if((addr < 0x90) && (addr >= 0x80)) {
                        mmr_segment = mainmem->read_data8(FM7_MAINIO_MMR_SEGMENT);
-# if defined(_FM77AV40) || defined(_FM77AV40SX) || defined(_FM77AV40EX)
-    defined(_FM77AV20) || defined(_FM77AV20SX) || defined(_FM77AV20EX)
+# if defined(_FM77AV40) || defined(_FM77AV40SX) || defined(_FM77AV40EX) || \
+     defined(_FM77AV20) || defined(_FM77AV20SX) || defined(_FM77AV20EX)
                        mmr_segment &= 0x07;
 # else            
                        mmr_segment &= 0x03;
@@ -939,24 +1126,26 @@ uint32 FM7_MAINIO::read_data8(uint32 addr)
        //      if((addr >= 0x0006) && !(addr == 0x1f) && !(addr == 0x0b)) printf("MAINIO: READ: %08x \n", addr);
                switch(addr) {
                case 0x00: // FD00
-                       retval = (uint32) get_port_fd00();
+                       retval = (uint32_t) get_port_fd00();
                        break;
                case 0x01: // FD01
+#if !defined(_FM8)                     
                        retval = keyboard->read_data8(0x01) & 0xff;
-                       //retval = keycode_7 & 0xff;
-                       //set_irq_keyboard(false);
+#endif                 
                        break;
                case 0x02: // FD02
-                       retval = (uint32) get_port_fd02();
+                       retval = (uint32_t) get_port_fd02();
                        break;
                case 0x03: // FD03
-                       retval = (uint32) get_irqstat_fd03();
+#if !defined(_FM8)
+                       retval = (uint32_t) get_irqstat_fd03();
+#endif                 
                        break;
                case 0x04: // FD04
-                       retval = (uint32) get_fd04();
+                       retval = (uint32_t) get_fd04();
                        break;
                case 0x05: // FD05
-                       retval = (uint32) get_fd05();
+                       retval = (uint32_t) get_fd05();
                        break;
                case 0x06: // RS-232C
                case 0x07:
@@ -971,87 +1160,116 @@ uint32 FM7_MAINIO::read_data8(uint32 addr)
                        break;
 #endif                 
                case 0x0e: // PSG DATA
-                       retval = (uint32) get_psg();
+                       retval = (uint32_t) get_psg();
                        //printf("PSG DATA READ val=%02x\n", retval);
                        break;
                case 0x0f: // FD0F
                        read_fd0f();
                        retval = 0xff;
                        break;
+#if defined(_FM8)
+               case 0x10:
+               case 0x11:
+               case 0x12:
+               case 0x13:
+               case 0x14:
+               case 0x15:
+               case 0x16:
+               case 0x17:
+                       retval = bubble_casette[0]->read_data8(addr);
+                       break;
+#else                  
 #if defined(_FM77AV_VARIANTS)
                case 0x12:
                        retval = subsystem_read_status();  
                        break;
 #endif
-               case 0x15: // OPN CMD
                        //printf("OPN CMD READ \n");
                        break;
                case 0x16: // OPN DATA
-                       retval = (uint32) get_opn(0);
-                       //printf("OPN DATA READ val=%02x\n", retval);
+                       retval = (uint32_t) get_opn(0);
                        break;
                case 0x17:
-                       retval = (uint32) get_extirq_fd17();
+                       retval = (uint32_t) get_extirq_fd17();
                        break;
+#endif                 
                case 0x18: // FDC: STATUS
-                       retval = (uint32) get_fdc_stat();
+                       retval = (uint32_t) get_fdc_stat();
                        //printf("FDC: READ STATUS %02x PC=%04x\n", retval, maincpu->get_pc()); 
                        break;
                case 0x19: // FDC: Track
-                       retval = (uint32) get_fdc_track();
+                       retval = (uint32_t) get_fdc_track();
                        //printf("FDC: READ TRACK REG %02x\n", retval); 
                        break;
                case 0x1a: // FDC: Sector
-                       retval = (uint32) get_fdc_sector();
+                       retval = (uint32_t) get_fdc_sector();
                        //printf("FDC: READ SECTOR REG %02x\n", retval); 
                        break;
                case 0x1b: // FDC: Data
-                       retval = (uint32) get_fdc_data();
+                       retval = (uint32_t) get_fdc_data();
                        break;
                case 0x1c:
-                       retval = (uint32) get_fdc_fd1c();
+                       retval = (uint32_t) get_fdc_fd1c();
                        //printf("FDC: READ HEAD REG %02x\n", retval); 
                        break;
                case 0x1d:
-                       retval = (uint32) get_fdc_motor();
+                       retval = (uint32_t) get_fdc_motor();
+                       //printf("FDC: READ MOTOR REG %02x\n", retval); 
+                       break;
+               case 0x1e:
+                       retval = (uint32_t) get_fdc_fd1e();
                        //printf("FDC: READ MOTOR REG %02x\n", retval); 
                        break;
                case 0x1f:
-                       retval = (uint32) fdc_getdrqirq();
+                       retval = (uint32_t) fdc_getdrqirq();
                        break;
                case 0x22: // Kanji ROM
-                       retval = (uint32) read_kanjidata_left();
+                       retval = (uint32_t) read_kanjidata_left();
                        break;
                case 0x23: // Kanji ROM
-                       retval = (uint32) read_kanjidata_right();
+                       retval = (uint32_t) read_kanjidata_right();
+                       break;
+#if defined(CAPABLE_JCOMMCARD)
+               case 0x28:
+               case 0x29:
+               case 0x2a:
+               case 0x2b:
+                       if(jcommcard != NULL) {
+                               retval = (uint32_t)(jcommcard->read_io8(addr));
+                       } else {
+                               retval = 0xff;
+                       }
                        break;
+#endif                 
 #if defined(CAPABLE_KANJI_CLASS2)
                case 0x2e: // Kanji ROM Level2
-                       retval = (uint32) read_kanjidata_left_l2();
+                       retval = (uint32_t) read_kanjidata_left_l2();
                        break;
                case 0x2f: // Kanji ROM Level2
-                       retval = (uint32) read_kanjidata_right_l2();
+                       retval = (uint32_t) read_kanjidata_right_l2();
                        break;
 #endif
+#if !defined(_FM8)                     
                case 0x37: // Multi page
-                       //retval = (uint32)display->read_data8(DISPLAY_ADDR_MULTIPAGE);
+                       //retval = (uint32_t)display->read_data8(DISPLAY_ADDR_MULTIPAGE);
                        break;
                case 0x45: // WHG CMD
                        break;
                case 0x46: // WHG DATA
-                       retval = (uint32) get_opn(1);
+                       retval = (uint32_t) get_opn(1);
                        break;
                case 0x47:
-                       retval = (uint32) get_extirq_whg();
+                       retval = (uint32_t) get_extirq_whg();
                        break;
                case 0x51: // THG CMD
                        break;
                case 0x52: // THG DATA
-                       retval = (uint32) get_opn(2);
+                       retval = (uint32_t) get_opn(2);
                        break;
                case 0x53:
-                       retval = (uint32) get_extirq_thg();
+                       retval = (uint32_t) get_extirq_thg();
                        break;
+#endif                 
 #if defined(HAS_MMR)
                case 0x93:
                        retval = 0x3e;
@@ -1061,25 +1279,42 @@ uint32 FM7_MAINIO::read_data8(uint32 addr)
                        if(mainmem->read_signal(FM7_MAINIO_MMR_ENABLED) != 0)    retval |= 0x80;
                        break;
 #endif
+#if defined(_FM77AV40SX) || defined(_FM77AV40EX)
+               case 0x95:
+                       retval = 0x77;
+                       if(mainmem->read_signal(FM7_MAINIO_FASTMMR_ENABLED) != 0) retval |= 0x08;
+                       if(mainmem->read_signal(FM7_MAINIO_EXTROM)  != 0) retval |= 0x80;
+                       break;
+#endif                 
+#if defined(HAS_DMA)
+               case 0x98:
+                       retval = dma_addr;
+                       break;
+               case 0x99:
+                       retval = dmac->read_data8(dma_addr);
+                       break;
+#endif                 
                default:
-                       //printf("MAIN: Read another I/O Addr=%08x\n", addr); 
                        break;
                }
+#if !defined(_FM8)                     
                if((addr < 0x40) && (addr >= 0x38)) {
                        addr = (addr - 0x38) + FM7_SUBMEM_OFFSET_DPALETTE;
-                       return (uint32) display->read_data8(addr);
+                       return (uint32_t) display->read_data8(addr);
                }
+#endif         
                // Another:
                return retval;
        } else if(addr == FM7_MAINIO_CLOCKMODE) {
-               return (uint32)get_clockmode();
+               return (uint32_t)get_clockmode();
        }
 #if defined(_FM77AV_VARIANTS)
        else if(addr == FM7_MAINIO_SUBMONITOR_ROM) {
                retval = sub_monitor_type & 0x03;
                return retval;
        }  else if(addr == FM7_MAINIO_SUBMONITOR_RAM) {
-#if defined(_FM77AV40) || defined(_FM77AV40SX) || defined(_FM77AV40EX)
+#if defined(_FM77AV40) || defined(_FM77AV40SX) || defined(_FM77AV40EX) || \
+    defined(_FM77AV20) || defined(_FM77AV20SX) || defined(_FM77AV20EX)
                retval = ((sub_monitor_type & 0x04) != 0) ? 0xffffffff : 0x00000000;
 #else
                retval = 0;
@@ -1087,27 +1322,33 @@ uint32 FM7_MAINIO::read_data8(uint32 addr)
                return retval;
        }
 #endif
-#if defined(_FM77AV40) || defined(_FM77AV40SX) || defined(_FM77AV40EX)
-       else if(addr == FM7_MAINIO_EXTBANK) {
-       } else if(addr == FM7_MAINIO_EXTROM) {
-       }
-#endif
        //if((addr >= 0x0006) && (addr != 0x1f)) printf("MAINIO: READ: %08x DATA=%08x\n", addr);
    return 0xff;
 }
 
-void FM7_MAINIO::write_data8(uint32 addr, uint32 data)
+void FM7_MAINIO::write_dma_io8(uint32_t addr, uint32_t data)
+{
+       this->write_data8(addr & 0xff, data);
+}
+
+void FM7_MAINIO::write_dma_data8(uint32_t addr, uint32_t data)
+{
+       this->write_data8(addr & 0xff, data);
+}
+
+
+void FM7_MAINIO::write_data8(uint32_t addr, uint32_t data)
 {
        bool flag;
-       uint32 mmr_segment;
+       uint32_t mmr_segment;
        if(addr < FM7_MAINIO_IS_BASICROM) {
                addr = addr & 0xff;
                io_w_latch[addr] = data;
 #if defined(HAS_MMR)
                if((addr < 0x90) && (addr >= 0x80)) {
                        mmr_segment = mainmem->read_data8(FM7_MAINIO_MMR_SEGMENT);
-# if defined(_FM77AV40) || defined(_FM77AV40SX) || defined(_FM77AV40EX)
-    defined(_FM77AV20) || defined(_FM77AV20SX) || defined(_FM77AV20EX)
+# if defined(_FM77AV40) || defined(_FM77AV40SX) || defined(_FM77AV40EX) || \
+     defined(_FM77AV20) || defined(_FM77AV20SX) || defined(_FM77AV20EX)
                        mmr_segment &= 0x07;
 # else            
                        mmr_segment &= 0x03;
@@ -1118,23 +1359,32 @@ void FM7_MAINIO::write_data8(uint32 addr, uint32 data)
 #endif
                switch(addr) {
                case 0x00: // FD00
-                       set_port_fd00((uint8)data);
+                       set_port_fd00((uint8_t)data);
                        return;
                        break;
                case 0x01: // FD01
-                       // set_lptdata_fd01((uint8)data);
+                       lpt_outdata = (uint8_t)data;
+                       switch(lpt_type) {
+                       case 0: // Write to file
+                               printer->write_signal(SIG_PRINTER_DATA, data, 0xff);
+                               break;
+                       case 1:
+                       case 2:
+                               joystick->write_data8(0x01, data);
+                               break;
+                       }
                        break;
                case 0x02: // FD02
-                       set_port_fd02((uint8)data);
+                       set_port_fd02((uint8_t)data);
                        break;
                case 0x03: // FD03
                        set_beep(data);
                        break;
                case 0x04: // FD04
-                       // set_flags_fd04(data);
+                       set_fd04(data);
                        break;
                case 0x05: // FD05
-                       set_fd05((uint8)data);
+                       set_fd05((uint8_t)data);
                        break;
                case 0x06: // RS-232C
                case 0x07:
@@ -1154,6 +1404,18 @@ void FM7_MAINIO::write_data8(uint32 addr, uint32 data)
                case 0x0f: // FD0F
                        write_fd0f();
                        break;
+#if defined(_FM8)
+               case 0x10:
+               case 0x11:
+               case 0x12:
+               case 0x13:
+               case 0x14:
+               case 0x15:
+               case 0x16:
+               case 0x17:
+                       bubble_casette[0]->write_data8(addr, data);
+                       break;
+#else                  
 #if defined(_FM77AV_VARIANTS)
                case 0x10:
                        flag = ((data & 0x02) == 0) ? true : false;
@@ -1161,13 +1423,12 @@ void FM7_MAINIO::write_data8(uint32 addr, uint32 data)
                        break;
                case 0x12:
                        display->write_signal(SIG_DISPLAY_MODE320, data,  0x40);
+                       reg_fd12 &= ~0x40;
+                       reg_fd12 |= (data & 0x40);
                        break;
                case 0x13:
                        sub_monitor_type = data & 0x07;
-                       //if(sub_monitor_type != sub_monitor_bak) {
-                               display->write_signal(SIG_FM7_SUB_BANK, sub_monitor_type, 0x07);
-                       //}
-                       //sub_monitor_bak = sub_monitor_type;
+                       display->write_signal(SIG_FM7_SUB_BANK, sub_monitor_type, 0x07);
                        break;
 #endif
                case 0x15: // OPN CMD
@@ -1179,48 +1440,71 @@ void FM7_MAINIO::write_data8(uint32 addr, uint32 data)
                        set_opn(0, data);
                        break;
                case 0x17:
-                       set_ext_fd17((uint8)data);
+                       set_ext_fd17((uint8_t)data);
                        break;
+#endif                 
                case 0x18: // FDC: COMMAND
-                       set_fdc_cmd((uint8)data);
+                       set_fdc_cmd((uint8_t)data);
                        //printf("FDC: WRITE CMD %02x\n", data); 
                        break;
                case 0x19: // FDC: Track
-                       set_fdc_track((uint8)data);
+                       set_fdc_track((uint8_t)data);
                        //printf("FDC: WRITE TRACK REG %02x\n", data); 
                        break;
                case 0x1a: // FDC: Sector
-                       set_fdc_sector((uint8)data);
+                       set_fdc_sector((uint8_t)data);
                        //printf("FDC: WRITE SECTOR REG %02x\n", data); 
                        break;
                case 0x1b: // FDC: Data
-                       set_fdc_data((uint8)data);
+                       set_fdc_data((uint8_t)data);
                        break;
                case 0x1c:
-                       set_fdc_fd1c((uint8)data);
+                       set_fdc_fd1c((uint8_t)data);
                        //printf("FDC: WRITE HEAD REG %02x\n", data); 
                        break;
                case 0x1d:
-                       set_fdc_fd1d((uint8)data);
+                       set_fdc_fd1d((uint8_t)data);
                        //printf("FDC: WRITE MOTOR REG %02x\n", data); 
                        break;
+               case 0x1e:
+                       set_fdc_fd1e((uint8_t)data);
+                       break;
                case 0x1f: // ??
                        return;
                        break;
                case 0x20: // Kanji ROM
+                       write_kanjiaddr_hi((uint8_t)data);
+                       break;
                case 0x2c: // Kanji ROM(DUP)
-                       write_kanjiaddr_hi((uint8)data);
 #if defined(CAPABLE_KANJI_CLASS2)
-                       write_kanjiaddr_hi_l2((uint8)data);
+                       write_kanjiaddr_hi_l2((uint8_t)data);
+#else                  
+                       //write_kanjiaddr_hi((uint8_t)data);
 #endif
                        break;
                case 0x21: // Kanji ROM
+                       write_kanjiaddr_lo((uint8_t)data);
+                       break;
                case 0x2d: // Kanji ROM(DUP)
-                       write_kanjiaddr_lo((uint8)data);
 #if defined(CAPABLE_KANJI_CLASS2)
-                       write_kanjiaddr_lo_l2((uint8)data);
+                       write_kanjiaddr_lo_l2((uint8_t)data);
+#else
+                       //write_kanjiaddr_lo((uint8_t)data);
 #endif
                        break;
+#if defined(CAPABLE_JCOMMCARD)
+               case 0x28:
+               case 0x29:
+               case 0x2a:
+               case 0x2b:
+                       if(jcommcard != NULL) jcommcard->write_io8(addr, data);
+                       break;
+#endif                 
+#if defined(CAPABLE_DICTROM)
+               case 0x2e: // 
+                       mainmem->write_signal(FM7_MAINIO_EXTBANK, data, 0xff);
+                       break;
+#endif                 
 #if defined(_FM77AV_VARIANTS)
                case 0x30:
                        display->write_data8(FM7_SUBMEM_OFFSET_APALETTE_HI, data);
@@ -1238,6 +1522,7 @@ void FM7_MAINIO::write_data8(uint32 addr, uint32 data)
                        display->write_data8(FM7_SUBMEM_OFFSET_APALETTE_G, data);
                        break;
 #endif
+#if !defined(_FM8)                     
                case 0x37: // Multi page
                        display->write_signal(SIG_DISPLAY_MULTIPAGE, data, 0x00ff);
                        break;
@@ -1257,41 +1542,68 @@ void FM7_MAINIO::write_data8(uint32 addr, uint32 data)
                        break;
                case 0x53:
                        break;
+#endif                 
 #if defined(HAS_MMR)
                case 0x90:
-#if defined(_FM77AV40) || defined(_FM77AV40SX) || defined(_FM77AV40EX)
+#if defined(_FM77AV40) || defined(_FM77AV40SX) || defined(_FM77AV40EX) || \
+    defined(_FM77AV20) || defined(_FM77AV20SX) || defined(_FM77AV20EX)
                        mmr_segment = data & 7;
 #else
                        //                      printf("MMR SEGMENT: %02x\n", data & 3);
                        mmr_segment = data & 3;
 #endif                 
-                       mainmem->write_data8(FM7_MAINIO_MMR_SEGMENT, (uint32)mmr_segment);
+                       mainmem->write_data8(FM7_MAINIO_MMR_SEGMENT, (uint32_t)mmr_segment);
                        break;
                case 0x92:
-                       window_offset = data & 0x00ff;
-                       mainmem->write_data8(FM7_MAINIO_WINDOW_OFFSET, (uint32)window_offset);
+                       mainmem->write_data8(FM7_MAINIO_WINDOW_OFFSET, (uint32_t)(data & 0x00ff));
                        break;
                case 0x93:
                        mainmem->write_signal(FM7_MAINIO_BOOTRAM_RW, data, 0x01);
                        mainmem->write_signal(FM7_MAINIO_WINDOW_ENABLED, data , 0x40);
-                       this->write_signal(FM7_MAINIO_CLOCKMODE, clock_fast ? 1 : 0, 1);
-                       mainmem->write_signal(FM7_MAINIO_CLOCKMODE, clock_fast ? 1 : 0, 1);
+                       //this->write_signal(FM7_MAINIO_CLOCKMODE, clock_fast ? 1 : 0, 1);
+                       //mainmem->write_signal(FM7_MAINIO_CLOCKMODE, clock_fast ? 1 : 0, 1);
                        mainmem->write_signal(FM7_MAINIO_MMR_ENABLED, data, 0x80);
                        //}
                        break;
 #endif
+#if defined(_FM77AV40) || defined(_FM77AV40SX) || defined(_FM77AV40EX) || \
+    defined(_FM77AV20) || defined(_FM77AV20SX) || defined(_FM77AV20EX)
+               case 0x94:
+                       mainmem->write_signal(FM7_MAINIO_MMR_EXTENDED, data, 0x80);
+                       mainmem->write_signal(FM7_MAINMEM_REFRESH_FAST, data, 0x04);
+                       mainmem->write_signal(FM7_MAINIO_WINDOW_FAST , data, 0x01);
+
+                       break;
+# if defined(_FM77AV40SX) || defined(_FM77AV40EX)
+               case 0x95:
+                       mainmem->write_signal(FM7_MAINIO_FASTMMR_ENABLED, data, 0x08);
+                       mainmem->write_signal(FM7_MAINIO_EXTROM, data , 0x80);
+                       break;
+# endif
+#endif                 
+#if defined(HAS_DMA)
+               case 0x98:
+                       dma_addr = data & 0x1f;
+                       break;
+               case 0x99:
+                       dmac->write_data8(dma_addr, data);
+                       //this->out_debug_log(_T("IO: Wrote DMA %02x to reg %02x\n"), data, dma_addr);
+                       break;
+#endif                 
                default:
                        //printf("MAIN: Write I/O Addr=%08x DATA=%02x\n", addr, data); 
                        break;
                }
+#if !defined(_FM8)                     
                if((addr < 0x40) && (addr >= 0x38)) {
                        addr = (addr - 0x38) | FM7_SUBMEM_OFFSET_DPALETTE;
-                       display->write_data8(addr, (uint8)data);
+                       display->write_data8(addr, (uint8_t)data);
                        return;
                }// Another:
+#endif         
                return;
        } else if(addr == FM7_MAINIO_CLOCKMODE) {
-               set_clockmode((uint8)data);
+               set_clockmode((uint8_t)data);
                return;
        }
        //if((addr >= 0x0006) && !(addr == 0x1f)) printf("MAINIO: WRITE: %08x DATA=%08x\n", addr, data);
@@ -1310,9 +1622,12 @@ void FM7_MAINIO::event_callback(int event_id, int err)
                case EVENT_UP_BREAK:
                        set_break_key(false);
                        break;
+#if !defined(_FM8)
                case EVENT_TIMERIRQ_ON:
-                       if(!irqmask_timer) set_irq_timer(true);
+                       //if(!irqmask_timer) set_irq_timer(true);
+                       set_irq_timer(!irqmask_timer);
                        break;
+#endif                 
                case EVENT_FD_MOTOR_ON:
                        set_fdc_motor(true);
                        event_fdc_motor = -1;
@@ -1321,6 +1636,9 @@ void FM7_MAINIO::event_callback(int event_id, int err)
                        set_fdc_motor(false);
                        event_fdc_motor = -1;
                        break;
+               case EVENT_PRINTER_RESET_COMPLETED:                     
+                       this->write_signals(&printer_reset_bus, 0x00);
+                       break;
                default:
                        break;
        }
@@ -1337,21 +1655,31 @@ void FM7_MAINIO::update_config()
                        clock_fast = false;
                        break;
        }
-       this->write_signal(FM7_MAINIO_CLOCKMODE, clock_fast ? 1 : 0, 1);
-       mainmem->write_signal(FM7_MAINIO_CLOCKMODE, clock_fast ? 1 : 0, 1);
+       this->write_signals(&clock_status, clock_fast ? 0xffffffff : 0);
+#if defined(_FM8)      
+       // BASIC
+       if(config.boot_mode == 0) {
+               mainmem->write_signal(FM7_MAINIO_IS_BASICROM, 0xffffffff, 0xffffffff);
+       } else {
+               mainmem->write_signal(FM7_MAINIO_IS_BASICROM, 0, 0xffffffff);
+       }
+       mainmem->write_signal(FM7_MAINIO_PUSH_FD0F, (config.boot_mode == 0) ? 1 : 0, 0x01);
+       mainmem->write_signal(FM7_MAINIO_BOOTMODE, bootmode, 0xffffffff);
+#endif
 }
 
 void FM7_MAINIO::event_vline(int v, int clock)
 {
 }
 
-#define STATE_VERSION 3
+#define STATE_VERSION 7
 void FM7_MAINIO::save_state(FILEIO *state_fio)
 {
        int ch;
        int addr;
        state_fio->FputUint32_BE(STATE_VERSION);
        state_fio->FputInt32_BE(this_device_id);
+       this->out_debug_log(_T("Save State: MAINIO: id=%d ver=%d\n"), this_device_id, STATE_VERSION);
 
        // Version 1
        {
@@ -1383,6 +1711,11 @@ void FM7_MAINIO::save_state(FILEIO *state_fio)
                state_fio->FputBool(irqmask_printer);
                state_fio->FputBool(irqmask_keyboard);
 
+               state_fio->FputBool(irqreq_syndet);
+               state_fio->FputBool(irqreq_rxrdy);
+               state_fio->FputBool(irqreq_txrdy);
+               state_fio->FputBool(irqreq_printer);
+               state_fio->FputBool(irqreq_keyboard);
                // FD03
                state_fio->FputUint8(irqstat_reg0);
                
@@ -1395,6 +1728,9 @@ void FM7_MAINIO::save_state(FILEIO *state_fio)
                state_fio->FputBool(stat_fdmode_2hd);
                state_fio->FputBool(stat_kanjirom);
                state_fio->FputBool(stat_400linecard);
+#elif defined(_FM77AV40) || defined(_FM77AV40EX) || defined(_FM77AV40SX) || \
+      defined(_FM77AV20) || defined(_FM77AV20EX) || defined(_FM77AV20SX)
+               state_fio->FputBool(stat_kanjirom);
 #endif
                state_fio->FputBool(firq_break_key);
                state_fio->FputBool(firq_sub_attention);
@@ -1402,14 +1738,8 @@ void FM7_MAINIO::save_state(FILEIO *state_fio)
                state_fio->FputBool(intmode_fdc);
                // FD05
                state_fio->FputBool(extdet_neg);
-               //state_fio->FputBool(sub_busy);
                state_fio->FputBool(sub_halt);
-               //state_fio->FputBool(sub_halt_bak);
                state_fio->FputBool(sub_cancel);
-               //state_fio->FputBool(sub_cancel_bak);
-#if defined(WITH_Z80)  
-               state_fio->FputBool(z80_sel);
-#endif 
                // FD06, 07
                state_fio->FputBool(intstat_syndet);
                state_fio->FputBool(intstat_rxrdy);
@@ -1417,13 +1747,24 @@ void FM7_MAINIO::save_state(FILEIO *state_fio)
 
        // FD0B
        // FD0F
-       
+#if defined(_FM8)
+               state_fio->FputBool(connect_psg);
+#else  
                state_fio->FputBool(connect_opn);
                state_fio->FputBool(connect_whg);
                state_fio->FputBool(connect_thg);
                
                state_fio->FputBool(opn_psg_77av);
-       
+#endif 
+#if defined(_FM8)
+               {
+                       state_fio->FputUint32_BE(opn_address[0]);
+                       state_fio->FputUint32_BE(opn_data[0]);
+                       state_fio->FputUint32_BE(opn_stat[0]);
+                       state_fio->FputUint32_BE(opn_cmdreg[0]);
+                       state_fio->FputUint32_BE(opn_ch3mode[0]);
+               }
+#else          
                for(ch = 0; ch < 4; ch++) {
                        state_fio->FputUint32_BE(opn_address[ch]);
                        state_fio->FputUint32_BE(opn_data[ch]);
@@ -1431,8 +1772,7 @@ void FM7_MAINIO::save_state(FILEIO *state_fio)
                        state_fio->FputUint32_BE(opn_cmdreg[ch]);
                        state_fio->FputUint32_BE(opn_ch3mode[ch]);
                }
-               state_fio->FputUint32_BE(joyport_a);
-               state_fio->FputUint32_BE(joyport_b);
+#endif         
 
                state_fio->FputBool(intstat_opn);
                state_fio->FputBool(intstat_mouse);
@@ -1453,31 +1793,17 @@ void FM7_MAINIO::save_state(FILEIO *state_fio)
                state_fio->FputUint8(irqreg_fdc);
                state_fio->FputBool(fdc_motor);
                state_fio->FputBool(irqstat_fdc);
-
                // KANJI ROM
                state_fio->FputBool(connect_kanjiroml1);
-               state_fio->FputUint8(kaddress.b.l);
-               state_fio->FputUint8(kaddress.b.h);
 #if defined(_FM77AV_VARIANTS)
                state_fio->FputBool(connect_kanjiroml2);
-               state_fio->FputUint8(kaddress_l2.b.l);
-               state_fio->FputUint8(kaddress_l2.b.h);
        
                state_fio->FputBool(boot_ram);
                state_fio->FputBool(hotreset);
                // FD13
                state_fio->FputUint8(sub_monitor_type);
-               //state_fio->FputUint8(sub_monitor_bak);
 #endif 
                // MMR
-#if defined(HAS_MMR)
-               //state_fio->FputBool(mmr_enabled);
-               //state_fio->FputBool(mmr_fast);
-               //state_fio->FputBool(window_enabled);
-               //state_fio->FputUint8(mmr_segment);
-               //for(addr = 0; addr < 0x80; addr++) state_fio->FputUint8(mmr_table[addr]);
-               //state_fio->FputUint32_BE(window_offset);
-#endif
        }
        //V2
        {
@@ -1487,18 +1813,34 @@ void FM7_MAINIO::save_state(FILEIO *state_fio)
        }               
        { // V3
                state_fio->FputInt32_BE(event_fdc_motor);
-       }               
+#if defined(_FM77AV40) || defined(_FM77AV40EX) || defined(_FM77AV40SX)|| \
+    defined(_FM77AV20) || defined(_FM77AV20SX) || defined(_FM77AV20EX)
+               for(ch = 0; ch < 4; ch++) state_fio->FputUint8(fdc_drive_table[ch]);
+               state_fio->FputUint8(fdc_reg_fd1e);
+#endif 
+#if defined(HAS_DMA)
+               state_fio->FputBool(intstat_dma);
+               state_fio->FputUint8(dma_addr & 0x1f);
+#endif                 
+#if defined(_FM77AV_VARIANTS)
+               state_fio->FputUint8(reg_fd12);
+#endif         
+       }
+       // FD05
+       state_fio->FputBool(req_z80run);
+       state_fio->FputBool(z80_run);
 }
 
 bool FM7_MAINIO::load_state(FILEIO *state_fio)
 {
        int ch;
        int addr;
-       bool stat = false;
-       uint32 version;
+       //bool stat = false;
+       uint32_t version;
        
        version = state_fio->FgetUint32_BE();
        if(this_device_id != state_fio->FgetInt32_BE()) return false;
+       this->out_debug_log(_T("Load State: MAINIO: id=%d ver=%d\n"), this_device_id, version);
 
        if(version >= 1) {
                for(addr = 0; addr < 0x100; addr++) io_w_latch[addr] = state_fio->FgetUint8();
@@ -1529,6 +1871,11 @@ bool FM7_MAINIO::load_state(FILEIO *state_fio)
                irqmask_printer = state_fio->FgetBool();
                irqmask_keyboard = state_fio->FgetBool();
 
+               irqreq_syndet = state_fio->FgetBool();
+               irqreq_rxrdy = state_fio->FgetBool();
+               irqreq_txrdy = state_fio->FgetBool();
+               irqreq_printer = state_fio->FgetBool();
+               irqreq_keyboard = state_fio->FgetBool();
                // FD03
                irqstat_reg0 = state_fio->FgetUint8();
 
@@ -1541,6 +1888,9 @@ bool FM7_MAINIO::load_state(FILEIO *state_fio)
                stat_fdmode_2hd = state_fio->FgetBool();
                stat_kanjirom = state_fio->FgetBool();
                stat_400linecard = state_fio->FgetBool();
+#elif defined(_FM77AV40) || defined(_FM77AV40EX) || defined(_FM77AV40SX) || \
+      defined(_FM77AV20) || defined(_FM77AV20EX) || defined(_FM77AV20SX)
+               stat_kanjirom = state_fio->FgetBool();
 #endif
                firq_break_key = state_fio->FgetBool();
                firq_sub_attention = state_fio->FgetBool();
@@ -1548,14 +1898,8 @@ bool FM7_MAINIO::load_state(FILEIO *state_fio)
                intmode_fdc = state_fio->FgetBool();
                // FD05
                extdet_neg = state_fio->FgetBool();
-               //sub_busy = state_fio->FgetBool();
                sub_halt = state_fio->FgetBool();
-               //sub_halt_bak = state_fio->FgetBool();
                sub_cancel = state_fio->FgetBool();
-               //sub_cancel_bak = state_fio->FgetBool();
-#if defined(WITH_Z80)  
-               z80_sel = state_fio->FgetBool();
-#endif 
                // FD06, 07
                intstat_syndet = state_fio->FgetBool();
                intstat_rxrdy = state_fio->FgetBool();
@@ -1563,12 +1907,24 @@ bool FM7_MAINIO::load_state(FILEIO *state_fio)
 
                // FD0B
                // FD0F
+#if defined(_FM8)
+               connect_psg = state_fio->FgetBool();
+#else          
                connect_opn = state_fio->FgetBool();
                connect_whg = state_fio->FgetBool();
                connect_thg = state_fio->FgetBool();
 
                opn_psg_77av = state_fio->FgetBool();
-       
+#endif
+#if defined(_FM8)
+               {
+                       opn_address[0] = state_fio->FgetUint32_BE();
+                       opn_data[0] = state_fio->FgetUint32_BE();
+                       opn_stat[0] = state_fio->FgetUint32_BE();
+                       opn_cmdreg[0] = state_fio->FgetUint32_BE();
+                       opn_ch3mode[0] = state_fio->FgetUint32_BE();
+               }
+#else          
                for(ch = 0; ch < 4; ch++) {
                        opn_address[ch] = state_fio->FgetUint32_BE();
                        opn_data[ch] = state_fio->FgetUint32_BE();
@@ -1576,9 +1932,7 @@ bool FM7_MAINIO::load_state(FILEIO *state_fio)
                        opn_cmdreg[ch] = state_fio->FgetUint32_BE();
                        opn_ch3mode[ch] = state_fio->FgetUint32_BE();
                }
-               joyport_a = state_fio->FgetUint32_BE();
-               joyport_b = state_fio->FgetUint32_BE();
-
+#endif
                intstat_opn = state_fio->FgetBool();
                intstat_mouse = state_fio->FgetBool();
                mouse_enable = state_fio->FgetBool();
@@ -1601,30 +1955,13 @@ bool FM7_MAINIO::load_state(FILEIO *state_fio)
 
                // KANJI ROM
                connect_kanjiroml1 = state_fio->FgetBool();
-               kaddress.d = 0;
-               kaddress.b.l = state_fio->FgetUint8();
-               kaddress.b.h = state_fio->FgetUint8();
 #if defined(_FM77AV_VARIANTS)
                connect_kanjiroml2 = state_fio->FgetBool();
-               kaddress_l2.d = 0;
-               kaddress_l2.b.l = state_fio->FgetUint8();
-               kaddress_l2.b.h = state_fio->FgetUint8();
-       
                boot_ram = state_fio->FgetBool();
                hotreset = state_fio->FgetBool();
                // FD13
                sub_monitor_type = state_fio->FgetUint8();
-               //sub_monitor_bak = state_fio->FgetUint8();
 #endif 
-       // MMR
-#if defined(HAS_MMR)
-               //mmr_enabled = state_fio->FgetBool();
-               //mmr_fast = state_fio->FgetBool();
-               //window_enabled = state_fio->FgetBool();
-               //mmr_segment = state_fio->FgetUint8();
-               //for(addr = 0; addr < 0x80; addr++) mmr_table[addr] = state_fio->FgetUint8();
-               //window_offset = state_fio->FgetUint32_BE();
-#endif
        }
        if(version >= 2) {
                event_beep = state_fio->FgetInt32_BE();
@@ -1634,7 +1971,24 @@ bool FM7_MAINIO::load_state(FILEIO *state_fio)
        // V2
        if(version >= 3) { // V3
                event_fdc_motor = state_fio->FgetInt32_BE();
-       }               
+#if defined(_FM77AV40) || defined(_FM77AV40EX) || defined(_FM77AV40SX)|| \
+    defined(_FM77AV20) || defined(_FM77AV20SX) || defined(_FM77AV20EX)
+               for(ch = 0; ch < 4; ch++) fdc_drive_table[ch] = state_fio->FgetUint8();
+               fdc_reg_fd1e = state_fio->FgetUint8();
+#endif 
+#if defined(HAS_DMA)
+               intstat_dma = state_fio->FgetBool();
+               dma_addr = (uint32_t)(state_fio->FgetUint8() & 0x1f);
+#endif                 
+#if defined(_FM77AV_VARIANTS)
+               reg_fd12 = state_fio->FgetUint8();
+#endif         
+       }
+       // FD05
+       req_z80run = state_fio->FgetBool();
+       z80_run = state_fio->FgetBool();
+       
+       if(version != STATE_VERSION) return false;
        return true;
 }