2 TOSHIBA EX-80 Emulator 'eEX-80'
4 Author : Takeda.Toshiya
13 void CMT::initialize()
31 void CMT::write_signal(int id, uint32_t data, uint32_t mask)
35 buffer[bufcnt++] = data & mask;
36 if(bufcnt >= BUFFER_SIZE) {
37 fio->Fwrite(buffer, bufcnt, 1);
43 void CMT::play_tape(const _TCHAR* file_path)
47 if(fio->Fopen(file_path, FILEIO_READ_BINARY)) {
48 fio->Fseek(0, FILEIO_SEEK_END);
49 int size = (fio->Ftell() + 9) & (BUFFER_SIZE - 1);
50 fio->Fseek(0, FILEIO_SEEK_SET);
51 memset(buffer, 0, sizeof(buffer));
52 fio->Fread(buffer, sizeof(buffer), 1);
56 // this implement does not care the sio buffer size... :-(
57 for(int i = 0; i < size; i++) {
58 d_sio->write_signal(SIG_I8251_RECV, buffer[i], 0xff);
64 void CMT::rec_tape(const _TCHAR* file_path)
68 if(fio->Fopen(file_path, FILEIO_WRITE_BINARY)) {
69 my_tcscpy_s(rec_file_path, _MAX_PATH, file_path);
75 void CMT::close_tape()
81 d_sio->write_signal(SIG_I8251_CLEAR, 0, 0);
84 void CMT::release_tape()
89 fio->Fwrite(buffer, bufcnt, 1);
96 #define STATE_VERSION 1
98 bool CMT::process_state(FILEIO* state_fio, bool loading)
100 if(!state_fio->StateCheckUint32(STATE_VERSION)) {
103 if(!state_fio->StateCheckInt32(this_device_id)) {
106 state_fio->StateBool(play);
107 state_fio->StateBool(rec);
108 state_fio->StateBuffer(rec_file_path, sizeof(rec_file_path), 1);
110 int length_tmp = state_fio->FgetInt32_LE();
112 fio->Fopen(rec_file_path, FILEIO_READ_WRITE_NEW_BINARY);
113 while(length_tmp != 0) {
114 uint8_t buffer_tmp[1024];
115 int length_rw = min(length_tmp, (int)sizeof(buffer_tmp));
116 state_fio->Fread(buffer_tmp, length_rw, 1);
117 if(fio->IsOpened()) {
118 fio->Fwrite(buffer_tmp, length_rw, 1);
120 length_tmp -= length_rw;
124 if(rec && fio->IsOpened()) {
125 int length_tmp = (int)fio->Ftell();
126 fio->Fseek(0, FILEIO_SEEK_SET);
127 state_fio->FputInt32_LE(length_tmp);
128 while(length_tmp != 0) {
129 uint8_t buffer_tmp[1024];
130 int length_rw = min(length_tmp, (int)sizeof(buffer_tmp));
131 fio->Fread(buffer_tmp, length_rw, 1);
132 state_fio->Fwrite(buffer_tmp, length_rw, 1);
133 length_tmp -= length_rw;
136 state_fio->FputInt32_LE(0);
139 state_fio->StateInt32(bufcnt);
140 state_fio->StateBuffer(buffer, sizeof(buffer), 1);