Pico/cd/gfx_cd.c

   1 // TODO...
   2
   3 #include "../PicoInt.h"
   4
   5
   6 static void gfx_cd_start(void)
   7 {
   8                 dprintf("gfx_cd_start()");
   9         if (Pico_mcd->s68k_regs[0x33] & (1<<1))
  10         {
  11                 dprintf("gfx_cd irq 1");
  12                 SekInterruptS68k(1);
  13         }
  14 }
  15
  16 void gfx_cd_update(void)
  17 {
  18 }
  19
  20
  21 unsigned int gfx_cd_read(unsigned int a)
  22 {
  23         dprintf("gfx_cd_read(%x)", a);
  24
  25 //      switch (a) {
  26 //              case 2:
  27 //                      return;
  28         return 0;
  29 }
  30
  31 void gfx_cd_write(unsigned int a, unsigned int d)
  32 {
  33         dprintf("gfx_cd_write(%x, %04x)", a, d);
  34
  35         switch (a) {
  36                 case 0x66:
  37                         if (Pico_mcd->s68k_regs[3]&4) return; // can't do tanformations in 1M mode
  38                         gfx_cd_start();
  39                         return;
  40         }
  41 }
  42