source/src/vm/pasopia/display.h

   1 /*
   2         TOSHIBA PASOPIA Emulator 'EmuPIA'
   3
   4         Author : Takeda.Toshiya
   5         Date   : 2007.02.08 -
   6
   7         [ display ]
   8 */
   9
  10 #ifndef _DISPLAY_H_
  11 #define _DISPLAY_H_
  12
  13 #include "../vm.h"
  14 #include "../../emu.h"
  15 #include "../device.h"
  16
  17 #define SIG_DISPLAY_I8255_1_A   0
  18
  19 class DISPLAY : public DEVICE
  20 {
  21 private:
  22         DEVICE* d_crtc;
  23
  24         uint8_t* regs;
  25         uint8_t mode;
  26         uint16_t cursor, cblink;
  27
  28         uint8_t screen[200][640];
  29         uint8_t font[0x800];
  30         uint8_t* vram;
  31         uint8_t* attr;
  32         scrntype_t palette_pc[8];
  33
  34         void draw_screen0_normal(uint16_t src);
  35         void draw_screen0_wide(uint16_t src);
  36         void draw_screen1_normal(uint16_t src);
  37         void draw_screen1_wide(uint16_t src);
  38         void draw_screen2_normal(uint16_t src);
  39         void draw_screen2_wide(uint16_t src);
  40         void draw_screen15_normal(uint16_t src);
  41         void draw_screen15_wide(uint16_t src);
  42
  43 public:
  44         DISPLAY(VM_TEMPLATE* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)
  45         {
  46                 set_device_name(_T("Display"));
  47         }
  48         ~DISPLAY() {}
  49
  50         // common functions
  51         void initialize();
  52         void write_io8(uint32_t addr, uint32_t data);
  53         void write_signal(int id, uint32_t data, uint32_t mask);
  54         void event_frame();
  55         bool process_state(FILEIO* state_fio, bool loading);
  56
  57         // unique functions
  58         void set_context_crtc(DEVICE* device)
  59         {
  60                 d_crtc = device;
  61         }
  62         void set_vram_ptr(uint8_t* ptr)
  63         {
  64                 vram = ptr;
  65         }
  66         void set_attr_ptr(uint8_t* ptr)
  67         {
  68                 attr = ptr;
  69         }
  70         void set_regs_ptr(uint8_t* ptr)
  71         {
  72                 regs = ptr;
  73         }
  74         void draw_screen();
  75 };
  76
  77 #endif
  78