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- 5 DEFINT A-Z
- 10 ' BASICA/GWBASIC Version of Sound Effects Demo Program
- 15 '
- 20 ' Sound effect menu
- 25 Q = 2
- 30 WHILE Q >= 1
- 35 CLS
- 40 PRINT "Sound effects": PRINT
- 45 COLOR 15, 0: PRINT " B"; : COLOR 7, 0: PRINT "ouncing"
- 50 COLOR 15, 0: PRINT " F"; : COLOR 7, 0: PRINT "alling"
- 55 COLOR 15, 0: PRINT " K"; : COLOR 7, 0: PRINT "laxon"
- 60 COLOR 15, 0: PRINT " S"; : COLOR 7, 0: PRINT "iren"
- 65 COLOR 15, 0: PRINT " Q"; : COLOR 7, 0: PRINT "uit"
- 70 PRINT : PRINT "Select: ";
- 75 Q$ = INPUT$(1): Q = INSTR("BFKSQbfksq", Q$) ' Get valid key
- 80 IF Q = 0 GOTO 75
- 85 CLS ' Take action based on key
- 90 ON Q GOSUB 100, 200, 300, 400, 500, 100, 200, 300, 400, 500
- 95 WEND
- 100 ' Bounce - loop two sounds down at decreasing time intervals
- 105 HTONE = 32767: LTONE = 246
- 110 PRINT "Bouncing . . ."
- 115 FOR COUNT = 60 TO 1 STEP -2
- 120 SOUND LTONE - COUNT / 2, COUNT / 20
- 125 SOUND HTONE, COUNT / 15
- 130 NEXT COUNT
- 135 RETURN
- 200 ' Fall - loop down from a high sound to a low sound
- 205 HTONE = 2000: LTONE = 550: DELAY = 500
- 210 PRINT "Falling . . ."
- 215 FOR COUNT = HTONE TO LTONE STEP -10
- 220 SOUND COUNT, DELAY / COUNT
- 225 NEXT COUNT
- 230 RETURN
- 300 ' Klaxon - alternate two sounds until a key is pressed
- 305 HTONE = 987: LTONE = 329
- 310 PRINT "Oscillating . . ."
- 315 PRINT " . . . press any key to end."
- 320 WHILE INKEY$ = ""
- 325 SOUND HTONE, 5: SOUND LTONE, 5
- 330 WEND
- 335 RETURN
- 400 ' Siren - loop a sound from low to high to low
- 405 HTONE = 780: RANGE = 650
- 410 PRINT "Wailing . . ."
- 415 PRINT " . . . press any key to end."
- 420 WHILE INKEY$ = ""
- 425 FOR COUNT = RANGE TO -RANGE STEP -4
- 430 SOUND HTONE - ABS(COUNT), .3
- 435 COUNT = COUNT - 2 / RANGE
- 440 NEXT COUNT
- 445 WEND
- 450 RETURN
- 500 ' Quit
- 505 END
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