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comparison io.c @ 53:fe88cea67ef0

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clock interrupt get time
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Sun, 22 Jul 2018 17:55:06 +0900
parents 51b437557f42
children fc10b7ae23d0
comparison
equal deleted inserted replaced
52:51b437557f42 53:fe88cea67ef0
310 mem[(IOPAGE&0xfe00)+a]=c; 310 mem[(IOPAGE&0xfe00)+a]=c;
311 } else if (a==0x30+(IOPAGE&0x1ff) && c==0x04) { 311 } else if (a==0x30+(IOPAGE&0x1ff) && c==0x04) {
312 time_t tm = time(0); 312 time_t tm = time(0);
313 struct tm *t = localtime(&tm); 313 struct tm *t = localtime(&tm);
314 mem[IOPAGE+0x31] = t->tm_year; 314 mem[IOPAGE+0x31] = t->tm_year;
315 mem[IOPAGE+0x32] = t->tm_mon; 315 mem[IOPAGE+0x32] = t->tm_mon+1;
316 mem[IOPAGE+0x33] = t->tm_mday; 316 mem[IOPAGE+0x33] = t->tm_mday;
317 mem[IOPAGE+0x34] = t->tm_hour; 317 mem[IOPAGE+0x34] = t->tm_hour;
318 mem[IOPAGE+0x35] = t->tm_min; 318 mem[IOPAGE+0x35] = t->tm_min;
319 mem[IOPAGE+0x36] = t->tm_sec; 319 mem[IOPAGE+0x36] = t->tm_sec;
320 } else { 320 } else {
367 #endif 367 #endif
368 } 368 }
369 369
370 void timehandler(int sig) { 370 void timehandler(int sig) {
371 attention = 1; 371 attention = 1;
372 #ifdef USE_MMU
373 irq = 1;
374 #else
372 irq = 2; 375 irq = 2;
373 mem[(IOPAGE&0xfe00)+0x30] |= 0x10 ; 376 #endif
377 mem[IOPAGE+0x30] |= 0x10 ;
374 // signal(SIGALRM, timehandler); 378 // signal(SIGALRM, timehandler);
375 } 379 }
376 380
377 void handler(int sig) { 381 void handler(int sig) {
378 escape = 1; 382 escape = 1;
399 newterm.c_cc[VINTR] = escchar; 403 newterm.c_cc[VINTR] = escchar;
400 tcsetattr(0, TCSAFLUSH, &newterm); 404 tcsetattr(0, TCSAFLUSH, &newterm);
401 fcntl(0, F_SETFL, tflags | O_NDELAY); /* Make input from stdin non-blocking */ 405 fcntl(0, F_SETFL, tflags | O_NDELAY); /* Make input from stdin non-blocking */
402 signal(SIGALRM, timehandler); 406 signal(SIGALRM, timehandler);
403 timercontrol.it_interval.tv_sec = 0; 407 timercontrol.it_interval.tv_sec = 0;
404 timercontrol.it_interval.tv_usec = 20000; 408 timercontrol.it_interval.tv_usec = 200000;
405 timercontrol.it_value.tv_sec = 0; 409 timercontrol.it_value.tv_sec = 0;
406 timercontrol.it_value.tv_usec = 20000; 410 timercontrol.it_value.tv_usec = 200000;
407 if (timer) 411 if (timer)
408 setitimer(ITIMER_REAL, &timercontrol, NULL); 412 setitimer(ITIMER_REAL, &timercontrol, NULL);
409 } 413 }
410 414
411 void restore_term(void) { 415 void restore_term(void) {