source/src/vm/pasopia7/display.h

   1 /*
   2         TOSHIBA PASOPIA 7 Emulator 'EmuPIA7'
   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_0_A   0
  18 #define SIG_DISPLAY_I8255_1_B   1
  19 #define SIG_DISPLAY_I8255_1_C   2
  20
  21 class DISPLAY : public DEVICE
  22 {
  23 private:
  24         uint8_t* regs;
  25         uint8_t mode, text_page;
  26         uint16_t cursor, cblink, flash_cnt;
  27         bool blink, pal_dis;
  28
  29         uint8_t screen[200][640];
  30         uint8_t font[0x800];
  31         uint8_t* vram_b;
  32         uint8_t* vram_r;
  33         uint8_t* vram_g;
  34         uint8_t* vram_a;
  35         uint8_t* pal;
  36         scrntype_t palette_pc[8];
  37
  38         void draw_text_normal(uint16_t src);
  39         void draw_text_wide(uint16_t src);
  40         void draw_fine_normal(uint16_t src);
  41         void draw_fine_wide(uint16_t src);
  42         void draw_text_lcd(uint16_t src);
  43         void draw_fine_lcd(uint16_t src);
  44
  45 public:
  46         DISPLAY(VM_TEMPLATE* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)
  47         {
  48                 set_device_name(_T("Display"));
  49         }
  50         ~DISPLAY() {}
  51
  52         // common functions
  53         void initialize();
  54         void write_signal(int id, uint32_t data, uint32_t mask);
  55         void event_frame();
  56         bool process_state(FILEIO* state_fio, bool loading);
  57
  58         // unique functions
  59         void set_vram_ptr(uint8_t* ptr)
  60         {
  61                 vram_b = ptr + 0x0000;
  62                 vram_r = ptr + 0x4000;
  63                 vram_g = ptr + 0x8000;
  64                 vram_a = ptr + 0xc000;
  65         }
  66         void set_pal_ptr(uint8_t* ptr)
  67         {
  68                 pal = ptr;
  69         }
  70         void set_regs_ptr(uint8_t* ptr)
  71         {
  72                 regs = ptr;
  73         }
  74         void draw_screen();
  75 };
  76
  77 #endif
  78