source/src/vm/colecovision/keyboard.cpp

   1 /*
   2         COLECO ColecoVision Emulator 'yaCOLECOVISION'
   3
   4         Author : tanam
   5         Date   : 2016.08.14-
   6
   7         [ keyboard ]
   8 */
   9
  10 #include "keyboard.h"
  11
  12 namespace COLECOVISION {
  13 void KEYBOARD::initialize()
  14 {
  15         key_stat = emu->get_key_buffer();
  16         joy_stat = emu->get_joy_buffer();
  17         // register event to update the key status
  18 //      register_frame_event(this); // is this needed?
  19 }
  20
  21 void KEYBOARD::event_frame()
  22 {
  23         if (joy_stat[0] & 0x04 || joy_stat[0] & 0x08) {
  24                 d_cpu->write_signal(SIG_CPU_IRQ, 1, 1);
  25         }
  26 }
  27
  28 void KEYBOARD::write_io8(uint32_t addr, uint32_t data)
  29 {
  30         if ((addr & 0x000000ff)==0x80) {
  31                 tenkey=true;
  32         }
  33         if ((addr & 0x000000ff)==0xc0) {
  34                 tenkey=false;
  35         }
  36         return;
  37 }
  38
  39 uint32_t KEYBOARD::read_io8(uint32_t addr)
  40 {
  41         // Controller 1
  42         if ((addr & 0x000000ff)==0xfc) {
  43                 uint32_t button=0x70;//0xf0;
  44                 if (!tenkey) {
  45                         uint32_t joystick=0x7f;//0xff;
  46                         if (joy_stat[0] & 0x01) joystick &= 0xfe;       // U
  47                         if (joy_stat[0] & 0x02) joystick &= 0xfb;       // D
  48                         if (joy_stat[0] & 0x04) joystick &= 0xf7;       // L
  49                         if (joy_stat[0] & 0x08) joystick &= 0xfd;       // R
  50                         if (joy_stat[0] & 0x20) joystick &= 0xbf;       // F1
  51                         return joystick;
  52                 }
  53                 if (joy_stat[0] & 0x10)
  54                         button &= 0xbf;         // F2
  55                 if ((key_stat[0x31] & 0x80) || (key_stat[0x61] & 0x80))
  56                         return (button | 0x0d); // 1
  57                 if ((key_stat[0x32] & 0x80) || (key_stat[0x62] & 0x80))
  58                         return (button | 0x07); // 2
  59                 if ((key_stat[0x33] & 0x80) || (key_stat[0x63] & 0x80))
  60                         return (button | 0x0c); // 3
  61                 if ((key_stat[0x34] & 0x80) || (key_stat[0x64] & 0x80))
  62                         return (button | 0x02); // 4
  63                 if ((key_stat[0x35] & 0x80) || (key_stat[0x65] & 0x80))
  64                         return (button | 0x03); // 5
  65                 if ((key_stat[0x36] & 0x80) || (key_stat[0x66] & 0x80))
  66                         return (button | 0x0e); // 6
  67                 if ((key_stat[0x37] & 0x80) || (key_stat[0x67] & 0x80))
  68                         return (button | 0x05); // 7
  69                 if ((key_stat[0x38] & 0x80) || (key_stat[0x68] & 0x80))
  70                         return (button | 0x01); // 8
  71                 if ((key_stat[0x39] & 0x80) || (key_stat[0x69] & 0x80))
  72                         return (button | 0x0b); // 9
  73                 if ((key_stat[0x30] & 0x80) || (key_stat[0x60] & 0x80))
  74                         return (button | 0x0a); // 0
  75                 if (key_stat[0xbd] & 0x80)
  76                         return (button | 0x09); // * '-'
  77                 if (key_stat[0xde] & 0x80)
  78                         return (button | 0x06); // # '^'
  79                 if (key_stat[0x43] & 0x80)
  80                         return (button | 0x08); // F3 'c'
  81                 if (key_stat[0x56] & 0x80)
  82                         return (button | 0x04); // F4 'v'
  83                 return (button | 0x0f);
  84         }
  85         // Controller 2
  86         if ((addr & 0x000000ff)==0xff) {
  87                 uint32_t button=0x70;//0xf0;
  88                 if (!tenkey) {
  89                         uint32_t joystick=0x7f;//0xff;
  90                         if (joy_stat[1] & 0x01) joystick &= 0xfe;       // U
  91                         if (joy_stat[1] & 0x02) joystick &= 0xfb;       // D
  92                         if (joy_stat[1] & 0x04) joystick &= 0xf7;       // L
  93                         if (joy_stat[1] & 0x08) joystick &= 0xfd;       // R
  94                         if (joy_stat[1] & 0x20) joystick &= 0xbf;       // F1
  95                         return joystick;
  96                 }
  97                 if (joy_stat[1] & 0x10)
  98                         button &= 0xbf;         // F2
  99                 if (key_stat[0x51] & 0x80)
 100                         return (button | 0x0d); // 1 'q'
 101                 if (key_stat[0x57] & 0x80)
 102                         return (button | 0x07); // 2 'w'
 103                 if (key_stat[0x45] & 0x80)
 104                         return (button | 0x0c); // 3 'e'
 105                 if (key_stat[0x52] & 0x80)
 106                         return (button | 0x02); // 4 'r'
 107                 if (key_stat[0x54] & 0x80)
 108                         return (button | 0x03); // 5 't'
 109                 if (key_stat[0x59] & 0x80)
 110                         return (button | 0x0e); // 6 'y'
 111                 if (key_stat[0x55] & 0x80)
 112                         return (button | 0x05); // 7 'u'
 113                 if (key_stat[0x49] & 0x80)
 114                         return (button | 0x01); // 8 'i'
 115                 if (key_stat[0x4f] & 0x80)
 116                         return (button | 0x0b); // 9 'o'
 117                 if (key_stat[0x50] & 0x80)
 118                         return (button | 0x0a); // 0 'p'
 119                 if (key_stat[0xc0] & 0x80)
 120                         return (button | 0x09); // * '@'
 121                 if (key_stat[0xdb] & 0x80)
 122                         return (button | 0x06); // # '['
 123                 if (key_stat[0xbc] & 0x80)
 124                         return (button | 0x08); // F3 ','
 125                 if (key_stat[0xbe] & 0x80)
 126                         return (button | 0x04); // F4 '.'
 127                 return (button | 0x0f);
 128         }
 129         return 0x0ff;
 130 }
 131
 132 #define STATE_VERSION   2
 133
 134 bool KEYBOARD::process_state(FILEIO* state_fio, bool loading)
 135 {
 136         if(!state_fio->StateCheckUint32(STATE_VERSION)) {
 137                 return false;
 138         }
 139         if(!state_fio->StateCheckInt32(this_device_id)) {
 140                 return false;
 141         }
 142         state_fio->StateBool(tenkey);
 143         return true;
 144 }
 145 }