source/src/vm/fm16beta/main.h

   1 /*
   2         FUJITSU FM16beta Emulator 'eFM16beta'
   3
   4         Author : Takeda.Toshiya
   5         Date   : 2017.12.28-
   6
   7         [ main system ]
   8 */
   9
  10 #ifndef _EFM16BETA_MAIN_H_
  11 #define _EFM16BETA_MAIN_H_
  12
  13 #include "../vm.h"
  14 #include "../memory.h"
  15
  16 #define SIG_MAIN_IRQ0_TX        0       // RS-232C
  17 #define SIG_MAIN_IRQ0_RX        1       // RS-232C
  18 #define SIG_MAIN_IRQ0_SYN       2       // RS-232C
  19 #define SIG_MAIN_IRQ1           3       // Keyboard
  20 #define SIG_MAIN_IRQ2           4       // Expantion
  21 #define SIG_MAIN_IRQ3           5       // DMA Controller
  22 #define SIG_MAIN_IRQ4           6       // 320KB Floppy Disk
  23 #define SIG_MAIN_IRQ5           7       // 1MB Floppy Disk
  24 #define SIG_MAIN_IRQ6           8       // Hard Disk
  25 #define SIG_MAIN_IRQ7           9       // Printer
  26 #define SIG_MAIN_IRQ8           10      // PTM
  27 #define SIG_MAIN_IRQ9           11      // User
  28 #define SIG_MAIN_FIRQ0          12      // Sub system attention
  29 #define SIG_MAIN_FIRQ1          13      // Break
  30 #define SIG_MAIN_FIRQ2          14      // Expantion
  31 #define SIG_MAIN_FIRQ3          15      // User
  32
  33 #define SIG_MAIN_SUB_BUSY       16
  34
  35 #define SIG_MAIN_DRQ_2HD        17
  36 #define SIG_MAIN_DRQ_2D         18
  37
  38 #define SIG_MAIN_RTC_DATA       19
  39 #define SIG_MAIN_RTC_BUSY       20
  40
  41 #ifdef HAS_I286
  42 class I286;
  43 #else
  44 class I8086;
  45 #endif
  46 class I8237;
  47 class MB8877;
  48
  49 namespace FM16BETA {
  50
  51 class MAINBUS : public MEMORY
  52 {
  53 private:
  54         //csp_state_utils *state_entry;
  55
  56 #ifdef HAS_I286
  57         I286 *d_cpu;
  58         uint8_t rst;
  59 #endif
  60         I8237 *d_dma;
  61         DEVICE *d_pic;
  62         DEVICE *d_pcm;
  63         DEVICE *d_keyboard;
  64
  65         // memory
  66         uint8_t ram[0xfc000];
  67         uint8_t rom[0x04000];
  68         uint8_t direct;
  69
  70         // main-sub
  71         DEVICE *d_sub;
  72         bool sub_busy;
  73
  74         // 1mb fdd
  75         MB8877 *d_fdc_2hd;
  76         uint8_t sidereg_2hd, drvreg_2hd;
  77         bool drq_2hd;
  78
  79         // 320kb fdd
  80         MB8877 *d_fdc_2d;
  81         uint8_t sidereg_2d, drvreg_2d;
  82         bool drq_2d;
  83
  84         // rtc
  85         DEVICE *d_rtc;
  86         uint8_t rtc_data;
  87
  88         // irq
  89         uint8_t irq_enb, ext_irq_enb;
  90         bool irq0_tx, irq0_rx, irq0_syn, irq1, irq2, irq3, irq4, irq5, irq6, irq7, irq8, irq9;
  91         bool firq0, firq1, firq2, firq3;
  92         bool int0, int1, int2, int3, int4, int5, int6, int7;
  93
  94         void update_int0();
  95         void update_int1();
  96         void update_int2();
  97         void update_int3();
  98         void update_int4();
  99         void update_int5();
 100         void update_int6();
 101         void update_int7();
 102
 103 public:
 104         MAINBUS(VM_TEMPLATE* parent_vm, EMU_TEMPLATE* parent_emu) : MEMORY(parent_vm, parent_emu)
 105         {
 106                 set_device_name(_T("Main System"));
 107         }
 108         ~MAINBUS() {}
 109
 110         // common functions
 111         void initialize();
 112         void release();
 113         void reset();
 114         void __FASTCALL write_io8(uint32_t addr, uint32_t data);
 115         uint32_t __FASTCALL read_io8(uint32_t addr);
 116         void __FASTCALL write_signal(int id, uint32_t data, uint32_t mask);
 117         bool process_state(FILEIO* state_fio, bool loading);
 118
 119         // unique functions
 120 #ifdef HAS_I286
 121         void set_context_cpu(I286* device)
 122         {
 123                 d_cpu = device;
 124         }
 125 #endif
 126         void set_context_dma(I8237* device)
 127         {
 128                 d_dma = device;
 129         }
 130         void set_context_fdc_2hd(MB8877* device)
 131         {
 132                 d_fdc_2hd = device;
 133         }
 134         void set_context_fdc_2d(MB8877* device)
 135         {
 136                 d_fdc_2d = device;
 137         }
 138         void set_context_pic(DEVICE* device)
 139         {
 140                 d_pic = device;
 141         }
 142         void set_context_pcm(DEVICE* device)
 143         {
 144                 d_pcm = device;
 145         }
 146         void set_context_rtc(DEVICE* device)
 147         {
 148                 d_rtc = device;
 149         }
 150         void set_context_sub(DEVICE* device)
 151         {
 152                 d_sub = device;
 153         }
 154         void set_context_keyboard(DEVICE* device)
 155         {
 156                 d_keyboard = device;
 157         }
 158 };
 159
 160 }
 161 #endif /* _EFM16BETA_MAIN_H_ */