6  * Assembled of parts of former atari/config.c 97-12-18 by Roman Hodek
64     st_mfp.tim_ct_cd = (st_mfp.tim_ct_cd & 15) | 0x60;  in atari_sched_init()
83 	 * the result may briefly stop changing after counter wrap-around.  in atari_read_clk()
88 	ticks = INT_TICKS - count;  in atari_read_clk()
98 #define COPY(v) val->v=(mste_rtc.v & 0xf)  in mste_read()
106 	} while (val->sec_ones != (mste_rtc.sec_ones & 0xf));  in mste_read()
112 #define COPY(v) mste_rtc.v=val->v  in mste_write()
120 	} while (val->sec_ones != (mste_rtc.sec_ones & 0xf));  in mste_write()
135 	} while(0)
143     int hr24=0;  in atari_mste_hwclk()
153         val.sec_ones = t->tm_sec % 10;  in atari_mste_hwclk()
154         val.sec_tens = t->tm_sec / 10;  in atari_mste_hwclk()
155         val.min_ones = t->tm_min % 10;  in atari_mste_hwclk()
156         val.min_tens = t->tm_min / 10;  in atari_mste_hwclk()
157         hour = t->tm_hour;  in atari_mste_hwclk()
160 		hour += 20 - 12;  in atari_mste_hwclk()
161 	    if (hour == 0 || hour == 20)  in atari_mste_hwclk()
166         val.day_ones = t->tm_mday % 10;  in atari_mste_hwclk()
167         val.day_tens = t->tm_mday / 10;  in atari_mste_hwclk()
168         val.mon_ones = (t->tm_mon+1) % 10;  in atari_mste_hwclk()
169         val.mon_tens = (t->tm_mon+1) / 10;  in atari_mste_hwclk()
170         year = t->tm_year - 80;  in atari_mste_hwclk()
173         val.weekday = t->tm_wday;  in atari_mste_hwclk()
181         t->tm_sec = val.sec_ones + val.sec_tens * 10;  in atari_mste_hwclk()
182         t->tm_min = val.min_ones + val.min_tens * 10;  in atari_mste_hwclk()
186 		hour -= 12;  in atari_mste_hwclk()
188                 hour += 12 - 20;  in atari_mste_hwclk()
190 	t->tm_hour = hour;  in atari_mste_hwclk()
191 	t->tm_mday = val.day_ones + val.day_tens * 10;  in atari_mste_hwclk()
192         t->tm_mon  = val.mon_ones + val.mon_tens * 10 - 1;  in atari_mste_hwclk()
193         t->tm_year = val.year_ones + val.year_tens * 10 + 80;  in atari_mste_hwclk()
194         t->tm_wday = val.weekday;  in atari_mste_hwclk()
196     return 0;  in atari_mste_hwclk()
201     int sec=0, min=0, hour=0, day=0, mon=0, year=0, wday=0;  in atari_tt_hwclk()  local
204     int pm = 0;  in atari_tt_hwclk()
212         sec  = t->tm_sec;  in atari_tt_hwclk()
213         min  = t->tm_min;  in atari_tt_hwclk()
214         hour = t->tm_hour;  in atari_tt_hwclk()
215         day  = t->tm_mday;  in atari_tt_hwclk()
216         mon  = t->tm_mon + 1;  in atari_tt_hwclk()
217         year = t->tm_year - atari_rtc_year_offset;  in atari_tt_hwclk()
218         wday = t->tm_wday + (t->tm_wday >= 0);  in atari_tt_hwclk()
222 		pm = 0x80;  in atari_tt_hwclk()
224 		    hour -= 12;  in atari_tt_hwclk()
226 	    else if (hour == 0)  in atari_tt_hwclk()
235 	    mon = bin2bcd(mon);  in atari_tt_hwclk()
237 	    if (wday >= 0)  in atari_tt_hwclk()
244      * progress, registers 0..9 shouldn't be touched.  in atari_tt_hwclk()
249      * If the UIP bit reads as 0, we have at least 244 usecs until the  in atari_tt_hwclk()
268         mon  = RTC_READ( RTC_MONTH );  in atari_tt_hwclk()
277         RTC_WRITE( RTC_MONTH, mon );  in atari_tt_hwclk()
279         if (wday >= 0) RTC_WRITE( RTC_DAY_OF_WEEK, wday );  in atari_tt_hwclk()
287         if (hour & 0x80) {  in atari_tt_hwclk()
288 	    hour &= ~0x80;  in atari_tt_hwclk()
297 	    mon = bcd2bin(mon);  in atari_tt_hwclk()
304 		hour = 0;  in atari_tt_hwclk()
309         t->tm_sec  = sec;  in atari_tt_hwclk()
310         t->tm_min  = min;  in atari_tt_hwclk()
311         t->tm_hour = hour;  in atari_tt_hwclk()
312         t->tm_mday = day;  in atari_tt_hwclk()
313         t->tm_mon  = mon - 1;  in atari_tt_hwclk()
314         t->tm_year = year + atari_rtc_year_offset;  in atari_tt_hwclk()
315         t->tm_wday = wday - 1;  in atari_tt_hwclk()
318     return( 0 );  in atari_tt_hwclk()