2 SHARP MZ-80B Emulator 'EmuZ-80B'
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3 SHARP MZ-2200 Emulator 'EmuZ-2200'
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4 SHARP MZ-2500 Emulator 'EmuZ-2500'
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6 Author : Takeda.Toshiya
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12 #include "keyboard.h"
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13 #include "../i8255.h"
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14 #include "../z80pio.h"
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15 #include "../../fileio.h"
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18 #define MAX_COLUMN 14
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20 #define MAX_COLUMN 12
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23 static const int key_map[14][8] = {
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24 {0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77},
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25 {0x78, 0x79, 0x68, 0x69, 0x6c, 0x6e, 0x6b, 0x6d},
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26 {0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67},
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27 {0x09, 0x20, 0x0d, 0x26, 0x28, 0x25, 0x27, 0x13},
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28 {0xbf, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47},
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29 {0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f},
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30 {0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57},
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31 {0x58, 0x59, 0x5a, 0xde, 0xdc, 0xe2, 0xbe, 0xbc},
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32 {0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37},
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33 {0x38, 0x39, 0xba, 0xbb, 0xbd, 0xc0, 0xdb, 0x00},
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34 {0xdd, 0x7b, 0x24, 0x2e, 0x08, 0x1b, 0x6a, 0x6f},
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35 {0x12, 0x14, 0x10, 0x15, 0x11, 0x00, 0x00, 0x00},
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36 {0x1d, 0x1c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
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37 {0x19, 0x7a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
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40 void KEYBOARD::initialize()
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42 key_stat = emu->key_buffer();
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44 register_frame_event(this);
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47 void KEYBOARD::write_signal(int id, uint32 data, uint32 mask)
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49 if(id == SIG_KEYBOARD_COLUMN) {
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50 column = data & mask; // from z80pio port a
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55 void KEYBOARD::event_frame()
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57 // update key status
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58 memset(keys, 0xff, sizeof(keys));
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60 for(int i = 0; i < MAX_COLUMN; i++) {
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62 for(int j = 0; j < 8; j++) {
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63 tmp |= (key_stat[key_map[i][j]]) ? 0 : (1 << j);
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71 void KEYBOARD::create_keystat()
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73 uint8 val = keys[(column & 0x10) ? (column & 0x0f) : 0x0f];
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74 d_pio_i->write_signal(SIG_I8255_PORT_B, val, 0x80); // to i8255 port b
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75 d_pio->write_signal(SIG_Z80PIO_PORT_B, val, 0xff); // to z80pio port b
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78 #define STATE_VERSION 1
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80 void KEYBOARD::save_state(FILEIO* state_fio)
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82 state_fio->FputUint32(STATE_VERSION);
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83 state_fio->FputInt32(this_device_id);
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85 state_fio->FputUint8(column);
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88 bool KEYBOARD::load_state(FILEIO* state_fio)
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90 if(state_fio->FgetUint32() != STATE_VERSION) {
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93 if(state_fio->FgetInt32() != this_device_id) {
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96 column = state_fio->FgetUint8();
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