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https://github.com/sehugg/8bitworkshop.git
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100 lines
3.8 KiB
QBasic
100 lines
3.8 KiB
QBasic
OPTION DIALECT DARTMOUTH
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001 REM THIS IS A PROGRAM WRITTEN IN BASIC.
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002 REM YOU CAN WRITE ONE STATEMENT PER LINE.
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003 REM EACH STATEMENT MUST HAVE A LINE NUMBER.
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004 REM THE "REM" LINES ARE COMMENTS, WHICH ARE IGNORED
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005 ' YOU CAN ALSO DO COMMENTS WITH APOSTROPHES
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006 ' LET'S START WITH A "PRINT"...
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100 PRINT "HELLO! LET'S PROGRAM IN BASIC."
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101 PRINT ' <-- THIS PRINTS A BLANK LINE, IT LOOKS NICER
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105 ' "INPUT" WAITS FOR USER INPUT FROM THE KEYBOARD
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106 ' THE NUMBER ENTERED WILL GO INTO THE VARIABLE "N"
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110 INPUT "FIRST, TELL ME YOUR FAVORITE NUMBER";N
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111 PRINT
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115 ' YOU CAN DO CALCULATIONS WITH THE + - / * OPERATORS
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116 ' THE ^ IS AN EXPONENT, SO N^2 IS N-SQUARED
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119 ' "LET" ASSIGNS THE RESULT TO A VARIABLE
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120 LET Z = N^2
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121 ' THE SEMICOLON ";" SEPARATES THINGS TO BE PRINTED
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122 PRINT "THAT'S A GOOD ONE! I LIKE";Z;"MYSELF."
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123 PRINT
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125 ' IF A VARIABLE ENDS IN "$" IT IS A STRING
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126 ' AND CONTAINS CHARACTERS INSTEAD OF A NUMBER
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127 ' LET'S READ FROM THE KEYBOARD INTO THE A$ VARIABLE
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130 INPUT "WOULD YOU MIND TYPING IN YOUR NAME";A$
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131 PRINT
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135 ' WE CAN PRINT MULTIPLE THINGS PER LINE
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136 ' IN THIS BASIC DIALECT, NUMBERS ARE PRINTED
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137 ' WITH SPACES BEFORE AND AFTER
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140 PRINT "GOOD TO MEET YOU, ";A$;" WHO LOVES";N;"!"
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141 PRINT
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150 INPUT "WOULD YOU LIKE TO SEE ME CALCULATE";B$
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151 PRINT
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155 ' "IF" CAN TEST A CONDITION
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156 ' AND JUMP TO A DIFFERENT LINE IF IT IS TRUE
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160 IF B$ = "Y" THEN 180
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161 IF B$ = "YES" THEN 180
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170 PRINT "TOO BAD, ";A$;"! WE'RE DOING THIS."
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180 PRINT
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190 PRINT "WATCH ME COUNT..."
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195 ' THIS "FOR" STATEMENT STARTS A LOOP WHICH SETS
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196 ' VARIABLE I TO 1 AND COUNTS TO 50
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200 FOR I = 1 TO 50
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210 PRINT I, ' USE A COMMA FOR NEAT PRINT ZONES
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220 NEXT I ' REPEAT LOOP
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225 ' USING THE COMMA (OR SEMICOLON) IN THE PRINT STATEMENT
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226 ' KEEPS THE CURSOR ON THE SAME LINE, SO WE PRINT
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227 ' A BLANK LINE TO RETURN TO THE LEFT MARGIN
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230 PRINT
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240 PRINT "I CAN ALSO GRAPH TRIG FUNCTIONS!"
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245 ' YOU CAN DEFINE YOUR OWN FUNCTIONS WITH "DEF"
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246 ' FUNCTIONS MUST START WITH "FN"
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250 DEF FNY(X) = (SIN(X*0.3)+1)*30+2
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260 FOR I = 1 TO 25
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270 PRINT TAB(FNY(I));"*"
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280 NEXT I
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300 ' YOU CAN DEFINE AN ARRAY WITH "DIM"
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301 ' YOU CAN HAVE ARRAYS OF EITHER NUMBERS OR STRINGS
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310 DIM T$(15),A$(15),W(15)
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315 ' "READ" LOADS FROM "DATA" STATEMENTS
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316 ' DATA CAN BE ANYWHERE, OURS IS AT LINE 900
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320 FOR I = 1 TO 15
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330 READ T$(I),A$(I),W(I)
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340 NEXT I
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350 ' NOW THE ARRAYS ARE FILLED WITH DATA
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351 ' SO LET'S PICK A VALUE AT RANDOM
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352 ' THE RND FUNCTION RETURNS A RANDOM NUMBER
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353 ' FIRST WE USE "RANDOMIZE" TO INITIALIZE THE
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354 ' RANDOM NUMBER GENERATOR
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360 RANDOMIZE
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362 ' "LET" ASSIGNS A VARIABLE FROM AN EXPRESSION
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370 LET J = INT(15*RND)
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380 PRINT "MY FAVORITE SONG IS '";T$(J);"'"
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390 PRINT "BY ";A$(J);", DO YOU KNOW IT?"
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400 PRINT "IT SPENT";W(J);"WEEKS ATOP THE CHARTS."
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410 PRINT
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890 ' HERE'S THE DATA WE READ EARLIER
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891 ' WE CAN USE NUMBERS, QUOTED OR UNQUOTED STRINGS
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900 DATA "HELLO, GOODBYE",THE BEATLES,2
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901 DATA "JUDY IN DISGUISE",JOHN FRED AND HIS PLAYBOY BAND,2
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902 DATA "GREEN TAMBOURINE",THE LEMON PIPERS,1
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903 DATA "LOVE IS BLUE",PAUL MAURIAT,5
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904 DATA "(SITTIN' ON) THE DOCK OF THE BAY",OTIS REDDING,4
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905 DATA "HONEY",BOBBY GOLDSBORO,5
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906 DATA "TIGHTEN UP",ARCHIE BELL & THE DRELLS,3
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907 DATA "MRS. ROBINSON",SIMON & GARFUNKEL,3
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908 DATA "THIS GUY'S IN LOVE WITH YOU",HERB ALPERT,4
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909 DATA "GRAZING IN THE GRASS",HUGH MASEKELA,2
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910 DATA "HELLO, I LOVE YOU",THE DOORS,2
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911 DATA "PEOPLE GOT TO BE FREE",THE RASCALS,5
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912 DATA "HARPER VALLEY PTA",JEANNIE C. RILEY,1
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913 DATA "HEY JUDE",THE BEATLES,9
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914 DATA "LOVE CHILD",DIANA ROSS & THE SUPREMES,2
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915 DATA "I HEARD IT THROUGH THE GRAPEVINE",MARVIN GAYE,3
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979 ' WE'RE DONE, SAY GOODBYE TO THE USER
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980 PRINT "I APOLOGIZE, BUT I AM FATIGUED FROM ALL OF THIS"
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981 PRINT "CALCULATING. I SHALL TAKE MY LEAVE OF YOU NOW."
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990 PRINT "NICE MEETING YOU, ";A$;"."
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998 ' PROGRAMS MUST END WITH "END" IN THIS DIALECT
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999 END
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