source/src/vm/qc10/keyboard.cpp

   1 /*
   2         EPSON QC-10 Emulator 'eQC-10'
   3
   4         Author : Takeda.Toshiya
   5         Date   : 2008.02.13 -
   6
   7         [ keyboard ]
   8 */
   9
  10 #include "keyboard.h"
  11 #include "../z80sio.h"
  12
  13 /*
  14         F1-F10                          F1-F10
  15         BREAK,PAUSE,HELP,SCRN           F11,F12,PU,PD
  16         SF1-SF4                         SHIFT + F1-F4?
  17         ESC,TAB,CTRL,SHIFT,CAPS         ESC,TAB,CTRL,SHIFT,CAPS
  18         BS,LF,ENTER,SHIFT,GRAPH         BS,SHIFT + ENTER,ENTER,SHIFT,GRAPH
  19         HOME,CLS,INS,DEL                HOME,END,INS,DEL
  20         NUMPAD
  21
  22         SHIFT + ENTER   -> VK_F20
  23         SHIFT + F1      -> VK_F21
  24         SHIFT + F2      -> VK_F22
  25         SHIFT + F3      -> VK_F23
  26         SHIFT + F4      -> VK_F24
  27 */
  28
  29 // pc key code -> qc-10 key code
  30 static const int key_map[256] = {
  31         0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x6d,0x77,0x00,0x00, 0x00,0x4e,0x00,0x00,     // 0
  32         0x87,0x8b,0x8d,0x00, 0x31,0x00,0x00,0x00, 0x00,0x00,0x00,0x75, 0x00,0x00,0x00,0x00,     // 1
  33         0x32,0x0c,0x0b,0x6f, 0x6e,0x3d,0x3c,0x3e, 0x3f,0x00,0x00,0x00, 0x00,0x5e,0x5f,0x00,     // 2
  34         0x69,0x76,0x61,0x62, 0x63,0x64,0x65,0x66, 0x67,0x68,0x00,0x00, 0x00,0x00,0x00,0x00,     // 3
  35         0x00,0x43,0x37,0x35, 0x45,0x53,0x46,0x47, 0x48,0x58,0x49,0x4a, 0x4b,0x39,0x38,0x59,     // 4
  36         0x5a,0x51,0x54,0x44, 0x55,0x57,0x36,0x52, 0x34,0x56,0x33,0x00, 0x00,0x00,0x00,0x00,     // 5
  37         0x17,0x27,0x26,0x25, 0x1b,0x1a,0x19,0x2b, 0x2a,0x29,0x2d,0x18, 0x2f,0x28,0x16,0x2e,     // 6
  38         0x73,0x72,0x71,0x01, 0x02,0x03,0x04,0x05, 0x06,0x07,0x09,0x0a, 0x00,0x00,0x00,0x00,     // 7
  39         0x00,0x00,0x00,0x11, 0x0f,0x1f,0x1e,0x1d, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,     // 8
  40         0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,     // 9
  41         0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,     // a
  42         0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x4d,0x4c, 0x3a,0x6a,0x3b,0x4f,     // b
  43         0x5b,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,     // c
  44         0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x5c, 0x6c,0x5d,0x6b,0x00,     // d
  45         0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,     // e
  46         0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00      // f
  47 };
  48
  49 void KEYBOARD::initialize()
  50 {
  51         for(int i = 0; i < 8; i++) {
  52                 led[i] = false;
  53         }
  54         repeat = enable = true;
  55         key_stat = emu->get_key_buffer();
  56 }
  57
  58 void KEYBOARD::write_signal(int id, uint32_t data, uint32_t mask)
  59 {
  60         // rec command
  61         process_cmd(data & 0xff);
  62 }
  63
  64 void KEYBOARD::key_down(int code)
  65 {
  66         if(enable) {
  67                 if(key_stat[0x10]) {
  68                         if(code == 0x0d) code = 0x83;   // SHIFT + ENTER
  69                         if(code == 0x70) code = 0x84;   // SHIFT + F1
  70                         if(code == 0x71) code = 0x85;   // SHIFT + F2
  71                         if(code == 0x72) code = 0x86;   // SHIFT + F3
  72                         if(code == 0x73) code = 0x87;   // SHIFT + F4
  73                 }
  74                 if(code = key_map[code]) {
  75                         d_sio->write_signal(SIG_Z80SIO_RECV_CH0, code, 0xff);
  76                 }
  77         }
  78 }
  79
  80 void KEYBOARD::key_up(int code)
  81 {
  82         if(enable) {
  83                 // key break
  84                 if(code == 0x10) {
  85                         d_sio->write_signal(SIG_Z80SIO_RECV_CH0, 0x86, 0xff);   // shift break
  86                 } else if(code == 0x11) {
  87                         d_sio->write_signal(SIG_Z80SIO_RECV_CH0, 0x8a, 0xff);   // ctrl break
  88                 } else if(code == 0x12) {
  89                         d_sio->write_signal(SIG_Z80SIO_RECV_CH0, 0x8c, 0xff);   // graph break
  90                 }
  91         }
  92 }
  93
  94 void KEYBOARD::process_cmd(uint8_t val)
  95 {
  96         switch(val & 0xe0) {
  97         case 0x00:
  98                 // repeat starting time set:
  99                 break;
 100         case 0x20:
 101                 // repeat interval set
 102                 break;
 103         case 0xa0:
 104                 // repeat control
 105                 repeat = ((val & 1) != 0);
 106                 break;
 107         case 0x40:
 108                 // key_led control
 109                 led[(val >> 1) & 7] = ((val & 1) != 0);
 110                 break;
 111         case 0x60:
 112                 // key_led status read
 113                 d_sio->write_signal(SIG_Z80SIO_CLEAR_CH0, 1, 1);
 114                 for(int i = 0; i < 8; i++) {
 115                         d_sio->write_signal(SIG_Z80SIO_RECV_CH0, 0xc0 | (i << 1) | (led[i] ? 1: 0), 0xff);
 116                 }
 117                 break;
 118         case 0x80:
 119                 // key sw status read
 120                 d_sio->write_signal(SIG_Z80SIO_CLEAR_CH0, 1, 1);
 121                 d_sio->write_signal(SIG_Z80SIO_RECV_CH0, 0x80, 0xff);
 122                 d_sio->write_signal(SIG_Z80SIO_RECV_CH0, 0x82, 0xff);
 123                 d_sio->write_signal(SIG_Z80SIO_RECV_CH0, 0x84, 0xff);
 124                 d_sio->write_signal(SIG_Z80SIO_RECV_CH0, 0x86 | (key_stat[0x10] ? 1: 0), 0xff);
 125                 d_sio->write_signal(SIG_Z80SIO_RECV_CH0, 0x88, 0xff);
 126                 d_sio->write_signal(SIG_Z80SIO_RECV_CH0, 0x8a | (key_stat[0x11] ? 1: 0), 0xff);
 127                 d_sio->write_signal(SIG_Z80SIO_RECV_CH0, 0x8c | (key_stat[0x12] ? 1: 0), 0xff);
 128                 d_sio->write_signal(SIG_Z80SIO_RECV_CH0, 0x8e, 0xff);
 129                 break;
 130         case 0xc0:
 131                 // keyboard enable
 132                 enable = ((val & 1) != 0);
 133                 break;
 134         case 0xe0:
 135                 // reset
 136                 for(int i = 0; i < 8; i++) {
 137                         led[i] = false;
 138                 }
 139                 repeat = enable = true;
 140                 // diagnosis
 141                 if(!(val & 1)) {
 142                         d_sio->write_signal(SIG_Z80SIO_CLEAR_CH0, 1, 1);
 143                         d_sio->write_signal(SIG_Z80SIO_RECV_CH0, 0, 0xff);
 144                 }
 145                 break;
 146         }
 147 }
 148
 149 #define STATE_VERSION   1
 150
 151 void KEYBOARD::save_state(FILEIO* state_fio)
 152 {
 153         state_fio->FputUint32(STATE_VERSION);
 154         state_fio->FputInt32(this_device_id);
 155
 156         state_fio->Fwrite(led, sizeof(led), 1);
 157         state_fio->FputBool(repeat);
 158         state_fio->FputBool(enable);
 159 }
 160
 161 bool KEYBOARD::load_state(FILEIO* state_fio)
 162 {
 163         if(state_fio->FgetUint32() != STATE_VERSION) {
 164                 return false;
 165         }
 166         if(state_fio->FgetInt32() != this_device_id) {
 167                 return false;
 168         }
 169         state_fio->Fread(led, sizeof(led), 1);
 170         repeat = state_fio->FgetBool();
 171         enable = state_fio->FgetBool();
 172         return true;
 173 }
 174