source/src/vm/pasopia/joypac2.cpp

   1 /*
   2         TOSHIBA PASOPIA Emulator 'EmuPIA'
   3         TOSHIBA PASOPIA 7 Emulator 'EmuPIA7'
   4
   5         Author : Takeda.Toshiya
   6         Date   : 2006.09.20 -
   7
   8         [ joystick ]
   9 */
  10
  11 #include "joypac2.h"
  12
  13 void JOYPAC2::initialize(int id)
  14 {
  15         joy = emu->get_joy_buffer();
  16 }
  17
  18 void JOYPAC2::write_io8(uint32_t addr, uint32_t data)
  19 {
  20
  21 }
  22
  23 uint32_t JOYPAC2::read_io8(uint32_t addr)
  24 {
  25         uint32_t val = 0xff;
  26
  27         switch(addr & 0xff) {
  28         case 0x19:
  29                 if(joy[1] & 0x01) val &= ~0x01;
  30                 if(joy[1] & 0x02) val &= ~0x02;
  31                 if(joy[1] & 0x04) val &= ~0x04;
  32                 if(joy[1] & 0x08) val &= ~0x08;
  33                 if(joy[1] & 0x10) val &= ~0x10;
  34                 if(joy[1] & 0x20) val &= ~0x20;
  35                 return val;
  36         case 0x1a:
  37                 if(joy[0] & 0x01) val &= ~0x01;
  38                 if(joy[0] & 0x02) val &= ~0x02;
  39                 if(joy[0] & 0x04) val &= ~0x04;
  40                 if(joy[0] & 0x08) val &= ~0x08;
  41                 if(joy[0] & 0x10) val &= ~0x10;
  42                 if(joy[0] & 0x20) val &= ~0x20;
  43                 return val;
  44         }
  45         return 0xff;
  46 }
  47