source/src/vm/qc10/display.h

   1 /*
   2         EPSON QC-10 Emulator 'eQC-10'
   3
   4         Author : Takeda.Toshiya
   5         Date   : 2008.02.16 -
   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 VRAM_SIZE       0x20000
  18
  19 class UPD7220;
  20
  21 class DISPLAY : public DEVICE
  22 {
  23 private:
  24         UPD7220 *d_gdc;
  25
  26 #ifdef _COLOR_MONITOR
  27         uint8_t vram_r[VRAM_SIZE];
  28         uint8_t vram_g[VRAM_SIZE];
  29         uint8_t vram_b[VRAM_SIZE];
  30         scrntype_t palette_pc[8];
  31 #else
  32         uint8_t vram[VRAM_SIZE];
  33         uint8_t font[0x10000];  // 16bytes * 256chars
  34         scrntype_t palette_pc[16];      // normal, intensify
  35 #endif
  36         uint8_t screen[400][640];
  37         scrntype_t tmp[640];
  38
  39         uint8_t *sync, *zoom, *ra, *cs;
  40         int* ead;
  41         uint8_t bank;
  42         int blink;
  43
  44 public:
  45         DISPLAY(VM* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu) {}
  46         ~DISPLAY() {}
  47
  48         // common functions
  49         void initialize();
  50         void reset();
  51         void write_io8(uint32_t addr, uint32_t data);
  52         uint32_t read_io8(uint32_t addr);
  53         void event_frame();
  54         void save_state(FILEIO* state_fio);
  55         bool load_state(FILEIO* state_fio);
  56
  57         // unique functions
  58         void set_context_gdc(UPD7220* device)
  59         {
  60                 d_gdc = device;
  61         }
  62         uint8_t* get_vram()
  63         {
  64 #ifdef _COLOR_MONITOR
  65                 return vram_b;
  66 #else
  67                 return vram;
  68 #endif
  69         }
  70         void set_sync_ptr(uint8_t* ptr)
  71         {
  72                 sync = ptr;
  73         }
  74         void set_zoom_ptr(uint8_t* ptr)
  75         {
  76                 zoom = ptr;
  77         }
  78         void set_ra_ptr(uint8_t* ptr)
  79         {
  80                 ra = ptr;
  81         }
  82         void set_cs_ptr(uint8_t* ptr)
  83         {
  84                 cs = ptr;
  85         }
  86         void set_ead_ptr(int* ptr)
  87         {
  88                 ead = ptr;
  89         }
  90         void draw_screen();
  91 };
  92
  93 #endif
  94