sys/src/games/gb/dat.h

   1 typedef struct Event Event;
   2 typedef struct MBC3Timer MBC3Timer;
   3
   4 extern u16int curpc;
   5
   6 extern uchar *rom, *back, reg[256], oam[256];
   7 extern MBC3Timer timer;
   8 extern uchar vram[16384];
   9 extern int nrom, nback, nbackbank;
  10 extern u32int pal[64];
  11 extern s8int dma;
  12 extern u32int divclock;
  13
  14 extern Event *elist;
  15 extern ulong clock;
  16
  17 extern u8int ppuy, ppustate;
  18
  19 extern u8int apustatus;
  20
  21 extern u8int mode;
  22 extern u8int mbc, feat;
  23
  24 enum {
  25         JOYP = 0x00,
  26         SB = 0x01,
  27         SC = 0x02,
  28         DIV = 0x04,
  29         TIMA = 0x05,
  30         TMA = 0x06,
  31         TAC = 0x07,
  32         IF = 0x0F,
  33         NR10 = 0x10,
  34         NR11 = 0x11,
  35         NR12 = 0x12,
  36         NR13 = 0x13,
  37         NR14 = 0x14,
  38         NR21 = 0x16,
  39         NR22 = 0x17,
  40         NR23 = 0x18,
  41         NR24 = 0x19,
  42         NR30 = 0x1A,
  43         NR31 = 0x1B,
  44         NR32 = 0x1C,
  45         NR33 = 0x1D,
  46         NR34 = 0x1E,
  47         NR41 = 0x20,
  48         NR42 = 0x21,
  49         NR43 = 0x22,
  50         NR44 = 0x23,
  51         NR50 = 0x24,
  52         NR51 = 0x25,
  53         NR52 = 0x26,
  54         WAVE = 0x30,
  55         LCDC = 0x40,
  56         STAT = 0x41,
  57         SCY = 0x42,
  58         SCX = 0x43,
  59         LY = 0x44,
  60         LYC = 0x45,
  61         DMA = 0x46,
  62         BGP = 0x47,
  63         OBP0 = 0x48,
  64         OBP1 = 0x49,
  65         WY = 0x4A,
  66         WX = 0x4B,
  67         KEY1 = 0x4D,
  68         VBK = 0x4F,
  69         RP = 0x56,
  70         HDMASH = 0x51,
  71         HDMASL = 0x52,
  72         HDMADH = 0x53,
  73         HDMADL = 0x54,
  74         HDMAC = 0x55,
  75
  76         BCPS = 0x68,
  77         BCPD = 0x69,
  78         OCPS = 0x6A,
  79         OCPD = 0x6B,
  80         SVBK = 0x70,
  81         IE = 0xFF
  82 };
  83
  84 enum {
  85         LCDEN = 0x80,
  86         WINMAP = 0x40,
  87         WINEN = 0x20,
  88         BGTILE = 0x10,
  89         BGMAP = 0x08,
  90         SPR16 = 0x04,
  91         SPREN = 0x02,
  92         BGEN = 0x01,
  93         BGPRI = 0x01,
  94
  95         IRQLYC = 0x40,
  96         IRQM2 = 0x20,
  97         IRQM1 = 0x10,
  98         IRQM0 = 0x08,
  99
 100         IRQVBL = 1,
 101         IRQLCDS = 2,
 102         IRQTIM = 4,
 103         IRQSER = 8,
 104         IRQJOY = 16,
 105 };
 106
 107 enum {
 108         CGB = 1,
 109         COL = 2,
 110         TURBO = 4,
 111         FORCEDMG = 8,
 112
 113         FEATRAM = 1,
 114         FEATBAT = 2,
 115         FEATTIM = 4,
 116
 117         INIT = -1,
 118         SAVE = -2,
 119         RSTR = -3,
 120         READ = -4,
 121 };
 122
 123 enum {
 124         TIMERSIZ = 18,
 125         PICW = 160,
 126         PICH = 144,
 127         FREQ = 1<<23
 128 };
 129
 130 struct Event {
 131         int time;
 132         void (*f)(void *);
 133         Event *next;
 134         void *aux;
 135 };
 136 extern Event *elist;
 137
 138 struct MBC3Timer {
 139         vlong ns;
 140         u8int sec, min, hr, dl, dh;
 141 };
 142
 143 typedef struct Var Var;
 144
 145 struct Var {
 146         void *a;
 147         int s, n;
 148 };
 149 #define VAR(a) {&a, sizeof(a), 1}
 150 #define ARR(a) {a, sizeof(*a), nelem(a)}
 151 enum { NEVENT = 8 };
 152 extern int (*mapper)(int, int);
 153 extern u32int moncols[4];