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 namespace QC10 {
  22
  23 class DISPLAY : public DEVICE
  24 {
  25 private:
  26         UPD7220 *d_gdc;
  27
  28 #ifdef _COLOR_MONITOR
  29         uint8_t vram_r[VRAM_SIZE];
  30         uint8_t vram_g[VRAM_SIZE];
  31         uint8_t vram_b[VRAM_SIZE];
  32         scrntype_t palette_pc[8];
  33 #else
  34         uint8_t vram[VRAM_SIZE];
  35         uint8_t font[0x10000];  // 16bytes * 256chars
  36         scrntype_t palette_pc[16];      // normal, intensify
  37 #endif
  38         uint8_t screen[400][640];
  39         scrntype_t tmp[640];
  40
  41         uint8_t *sync, *zoom, *ra, *cs;
  42         int* ead;
  43         uint8_t bank;
  44         int blink;
  45
  46 public:
  47         DISPLAY(VM_TEMPLATE* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)
  48         {
  49                 set_device_name(_T("Display"));
  50         }
  51         ~DISPLAY() {}
  52
  53         // common functions
  54         void initialize();
  55         void reset();
  56         void write_io8(uint32_t addr, uint32_t data);
  57         uint32_t read_io8(uint32_t addr);
  58         void event_frame();
  59         bool process_state(FILEIO* state_fio, bool loading);
  60
  61         // unique functions
  62         void set_context_gdc(UPD7220* device)
  63         {
  64                 d_gdc = device;
  65         }
  66         uint8_t* get_vram()
  67         {
  68 #ifdef _COLOR_MONITOR
  69                 return vram_b;
  70 #else
  71                 return vram;
  72 #endif
  73         }
  74         void set_sync_ptr(uint8_t* ptr)
  75         {
  76                 sync = ptr;
  77         }
  78         void set_zoom_ptr(uint8_t* ptr)
  79         {
  80                 zoom = ptr;
  81         }
  82         void set_ra_ptr(uint8_t* ptr)
  83         {
  84                 ra = ptr;
  85         }
  86         void set_cs_ptr(uint8_t* ptr)
  87         {
  88                 cs = ptr;
  89         }
  90         void set_ead_ptr(int* ptr)
  91         {
  92                 ead = ptr;
  93         }
  94         void draw_screen();
  95 };
  96
  97 }
  98 #endif
  99