Add variable storage (scalar and array), program line storage with RUN/LIST/NEW, and full control flow: FOR/NEXT, GOTO, GOSUB/RETURN, IF/THEN/ELSE, WHILE/WEND, ON GOTO/GOSUB, DATA/READ/RESTORE. New modules: interp.c (1445 lines - execution loop and statement dispatcher), vars.c, arrays.c, input.c. Version bumped to 0.2.0. 16 test programs pass including Leibniz pi and prime sieve.
7 lines
173 B
QBasic
7 lines
173 B
QBasic
10 REM DEF FN test
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20 DEF FN SQ(X) = X * X
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30 DEF FN CU(X) = X * X * X
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40 PRINT "5 squared ="; FN SQ(5)
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50 PRINT "3 cubed ="; FN CU(3)
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60 PRINT "Sum ="; FN SQ(3) + FN CU(2)
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