source/src/vm/mz2500/crtc.h

   1 /*\r
   2         SHARP MZ-2500 Emulator 'EmuZ-2500'\r
   3 \r
   4         Author : Takeda.Toshiya\r
   5         Date   : 2006.12.03 -\r
   6 \r
   7         [ crtc ]\r
   8 */\r
   9 \r
  10 #ifndef _CRTC_H_\r
  11 #define _CRTC_H_\r
  12 \r
  13 #include "../vm.h"\r
  14 #include "../../emu.h"\r
  15 #include "../device.h"\r
  16 \r
  17 #define SIG_CRTC_COLUMN_SIZE    0\r
  18 #define SIG_CRTC_PALLETE        1\r
  19 #define SIG_CRTC_MASK           2\r
  20 \r
  21 #define EVENT_HSYNC     0\r
  22 #define EVENT_BLINK     256\r
  23 \r
  24 #define SCRN_640x400    1\r
  25 #define SCRN_640x200    2\r
  26 #define SCRN_320x200    3\r
  27 \r
  28 class CRTC : public DEVICE\r
  29 {\r
  30 private:\r
  31         DEVICE *d_mem, *d_int, *d_pio;\r
  32         \r
  33         // config\r
  34         bool scan_line, scan_tmp;\r
  35         bool monitor_200line;\r
  36         bool monitor_digital, monitor_tmp;\r
  37         \r
  38         // vram\r
  39         uint8 *vram_b, *vram_r, *vram_g, *vram_i;\r
  40         uint8 *tvram1, *attrib, *tvram2;\r
  41         // kanji rom, pcg\r
  42         uint8 *kanji1, *kanji2;\r
  43         uint8 *pcg0, *pcg1, *pcg2, *pcg3;\r
  44         \r
  45         // crtc\r
  46         void set_hsync(int h);\r
  47         uint8 textreg_num, textreg[16];\r
  48         uint8 cgreg_num, cgreg[32];\r
  49         uint8 scrn_size, cg_mask, cg_mask256;\r
  50         bool cg_mask256_init;\r
  51         bool font_size, column_size;\r
  52         uint8 latch[4];\r
  53         uint16 GDEVS, GDEVE;\r
  54         uint8 GDEHS, GDEHE;\r
  55         int GDEHSC, GDEHEC;\r
  56         bool hblank, vblank, blink;\r
  57         uint8 clear_flag;\r
  58         uint8 palette_reg[16];\r
  59         bool pal_select;\r
  60         bool screen_mask;\r
  61         \r
  62         // priority and palette\r
  63         uint8 priority16[16][9];\r
  64         scrntype palette16[16+8], palette4096[16];\r
  65         uint8 palette4096r[16], palette4096g[16], palette4096b[16];\r
  66         scrntype palette16txt[9], palette4096txt[9];\r
  67         scrntype palette16pri[16][9], palette4096pri[16][9];\r
  68         uint8 prev16;\r
  69         bool update16;\r
  70         \r
  71         uint16 priority256[256][16+64];\r
  72         scrntype palette256[256+16+64];\r
  73         scrntype palette256txt[16+64];\r
  74         scrntype palette256pri[256][16+64];\r
  75         scrntype prev256;\r
  76         bool update256;\r
  77         \r
  78         // draw text\r
  79         void draw_text();\r
  80         void draw_80column_screen();\r
  81         void draw_40column_screen();\r
  82         void draw_80column_font(uint16 src, int dest, int y);\r
  83         void draw_40column_font(uint16 src, int dest, int y);\r
  84         uint8 text[640*480*2];\r
  85         \r
  86         // draw cg\r
  87         void draw_cg();\r
  88         void draw_320x200x16screen(uint8 pl);\r
  89         void draw_320x200x256screen(uint8 pl);\r
  90         void draw_640x200x16screen(uint8 pl);\r
  91         void draw_640x400x4screen();\r
  92         void draw_640x400x16screen();\r
  93         void create_addr_map(int xmax, int ymax);\r
  94         uint8 cg[640*400*2];\r
  95         uint16 map_addr[400][80];\r
  96         uint8 map_hdsc[400][80];\r
  97         \r
  98         // speed optimization\r
  99         uint8 cg_matrix0[256][256][8];\r
 100         uint8 cg_matrix1[256][256][8];\r
 101         uint8 cg_matrix2[256][256][8];\r
 102         uint8 cg_matrix3[256][256][8];\r
 103         uint8 text_matrix[256][8][8];\r
 104         uint8 text_matrixw[256][8][16];\r
 105         uint8 trans_color;\r
 106         \r
 107         bool map_init, trans_init;\r
 108         \r
 109 public:\r
 110         CRTC(VM* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu) {}\r
 111         ~CRTC() {}\r
 112         \r
 113         // common functions\r
 114         void initialize();\r
 115         void write_data8(uint32 addr, uint32 data);\r
 116         uint32 read_data8(uint32 addr);\r
 117         void write_io8(uint32 addr, uint32 data);\r
 118         uint32 read_io8(uint32 addr);\r
 119         void write_signal(int id, uint32 data, uint32 mask);\r
 120         void event_callback(int event_id, int err);\r
 121         void event_vline(int v, int clock);\r
 122         void update_config();\r
 123         void save_state(FILEIO* state_fio);\r
 124         bool load_state(FILEIO* state_fio);\r
 125         \r
 126         // unique function\r
 127         void set_context_mem(DEVICE* device)\r
 128         {\r
 129                 d_mem = device;\r
 130         }\r
 131         void set_context_int(DEVICE* device)\r
 132         {\r
 133                 d_int = device;\r
 134         }\r
 135         void set_context_pio(DEVICE* device)\r
 136         {\r
 137                 d_pio = device;\r
 138         }\r
 139         void set_vram_ptr(uint8* ptr)\r
 140         {\r
 141                 vram_b = ptr + 0x00000;\r
 142                 vram_r = ptr + 0x08000;\r
 143                 vram_g = ptr + 0x10000;\r
 144                 vram_i = ptr + 0x18000;\r
 145         }\r
 146         void set_tvram_ptr(uint8* ptr)\r
 147         {\r
 148                 tvram1 = ptr + 0x0000;\r
 149                 attrib = ptr + 0x0800;\r
 150                 tvram2 = ptr + 0x1000;\r
 151         }\r
 152         void set_kanji_ptr(uint8* ptr)\r
 153         {\r
 154                 kanji1 = ptr + 0x00000;\r
 155                 kanji2 = ptr + 0x20000;\r
 156         }\r
 157         void set_pcg_ptr(uint8* ptr)\r
 158         {\r
 159                 pcg0 = ptr + 0x0000;\r
 160                 pcg1 = ptr + 0x0800;\r
 161                 pcg2 = ptr + 0x1000;\r
 162                 pcg3 = ptr + 0x1800;\r
 163         }\r
 164         void draw_screen();\r
 165 };\r
 166 \r
 167 #endif\r
 168 \r