Datasets:

introvoyz041
/

tinybasic

REM "Directly access a real time clock"
REM "Wire address of DS3231 is 104"
C=104
DIM A$(32)
REM "Function to glue together BCD nibbles"
DEF FNN(X)=(X AND 15)+10*INT(X/16)
REM "Read out the clock"
OPEN &7, C
@S=0
PUT &7, 0
INPUT &7, A$
IF @S<>0 THEN PRINT "Clock Error": END
REM "Interpret the data"
PRINT "Raw data"
FOR I=1 TO 32 : PRINT I, (A$(I)) : NEXT
PRINT "Information"
S=FNN(A$(1))
PRINT "Seconds", S
M=FNN(A$(2))
PRINT "Minutes", M 
T=INT(A$(3)/64)
IF T THEN GOSUB 800 ELSE GOSUB 900
END
PRINT "12 hours clock"
T=(A$(3) AND 31): H=FNN(T)
PRINT "Hours", H;
T=((A$(3)/32) AND 1)
IF T THEN PRINT "pm" ELSE PRINT "am"
RETURN
PRINT "24 hours clock"
T=(A$(3) AND 63): H=FNN(T)
PRINT "Hours", H
RETURN

	10 REM "Directly access a real time clock"
	20 REM "Wire address of DS3231 is 104"
	30 C=104
	40 DIM A$(32)
	50 REM "Function to glue together BCD nibbles"
	60 DEF FNN(X)=(X AND 15)+10*INT(X/16)
	100 REM "Read out the clock"
	110 OPEN &7, C
	120 @S=0
	130 PUT &7, 0
	140 INPUT &7, A$
	150 IF @S<>0 THEN PRINT "Clock Error": END
	200 REM "Interpret the data"
	210 PRINT "Raw data"
	220 FOR I=1 TO 32 : PRINT I, (A$(I)) : NEXT
	230 PRINT "Information"
	240 S=FNN(A$(1))
	250 PRINT "Seconds", S
	260 M=FNN(A$(2))
	270 PRINT "Minutes", M
	280 T=INT(A$(3)/64)
	290 IF T THEN GOSUB 800 ELSE GOSUB 900
	790 END
	800 PRINT "12 hours clock"
	810 T=(A$(3) AND 31): H=FNN(T)
	820 PRINT "Hours", H;
	840 T=((A$(3)/32) AND 1)
	850 IF T THEN PRINT "pm" ELSE PRINT "am"
	890 RETURN
	900 PRINT "24 hours clock"
	910 T=(A$(3) AND 63): H=FNN(T)
	920 PRINT "Hours", H
	990 RETURN