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 namespace PASOPIA7 {
  22
  23 class DISPLAY : public DEVICE
  24 {
  25 private:
  26         uint8_t* regs;
  27         uint8_t mode, text_page;
  28         uint16_t cursor, cblink, flash_cnt;
  29         bool blink, pal_dis;
  30
  31         uint8_t screen[200][640];
  32         uint8_t font[0x800];
  33         uint8_t* vram_b;
  34         uint8_t* vram_r;
  35         uint8_t* vram_g;
  36         uint8_t* vram_a;
  37         uint8_t* pal;
  38         scrntype_t palette_pc[8];
  39
  40         void draw_text_normal(uint16_t src);
  41         void draw_text_wide(uint16_t src);
  42         void draw_fine_normal(uint16_t src);
  43         void draw_fine_wide(uint16_t src);
  44         void draw_text_lcd(uint16_t src);
  45         void draw_fine_lcd(uint16_t src);
  46
  47 public:
  48         DISPLAY(VM_TEMPLATE* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)
  49         {
  50                 set_device_name(_T("Display"));
  51         }
  52         ~DISPLAY() {}
  53
  54         // common functions
  55         void initialize();
  56         void write_signal(int id, uint32_t data, uint32_t mask);
  57         void event_frame();
  58         bool process_state(FILEIO* state_fio, bool loading);
  59
  60         // unique functions
  61         void set_vram_ptr(uint8_t* ptr)
  62         {
  63                 vram_b = ptr + 0x0000;
  64                 vram_r = ptr + 0x4000;
  65                 vram_g = ptr + 0x8000;
  66                 vram_a = ptr + 0xc000;
  67         }
  68         void set_pal_ptr(uint8_t* ptr)
  69         {
  70                 pal = ptr;
  71         }
  72         void set_regs_ptr(uint8_t* ptr)
  73         {
  74                 regs = ptr;
  75         }
  76         void draw_screen();
  77 };
  78
  79 }
  80 #endif
  81