Adding Columns and Tetris games using lores graphics. (#28)
* Applesoft Basic Columns Game Columns Game using lores graphics. * Update index.html Added links to Tetris and Columns games
This commit is contained in:
Arthur Allen
Joshua Bell
parent
157ebf7f96
commit
4a27231196
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@ -75,6 +75,8 @@ By <a target=_blank href="mailto:inexorabletash@gmail.com">Joshua Bell</a>
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<option value="sample.jot"> JOT (Mike Gleason)</option>
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<option value="sample.miniindy"> Mini Indy (Gregg Buntin)</option>
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<option value="sample.doordetector"> Door Detector (Jeff)</option>
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<option value="sample.columns"> Columns (Arthur Allen)</option>
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<option value="sample.tetris"> Tetris (Arthur Allen)</option>
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<option disabled>____________________________________________</option>
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<option disabled>Graphics</option>
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@ -0,0 +1,356 @@
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10 rem Columns for Applesoft BASIC
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20 rem Programed by Arthur Allen
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30 rem Based on Columns by Jay Geertsen
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60 dim array(50, 50), erase(25)
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70 dim shape(2), nshape(3), check(50, 50)
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90 gosub 2830: rem Interactive pre-screen
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350 home
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360 rem Fill in borders in array
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370 rem Fill bottom row
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380 for fill = 0 to width + 6
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390 array(fill, height+1) = 15
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400 next fill
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410 rem Fill left and right sides
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420 for fill = 0 to height + 3
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430 array(left, fill) = 15
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440 array(left+width+1, fill) = 15
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450 next fill
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455 if renew then vtab 21 : htab left + int(width/2) + 1 : print "^" : rem print only if replay selected
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460 rem Prefill board
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465 gosub 4320 : rem blank out part of screen above prefill
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470 guess = 1
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480 if rows = 0 goto 720 : rem Skip if rows = 0, otherwise loop will still execute once
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540 for i = 3 to width + 2
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550 for j = height - rows to height
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555 cycle = 0
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570 rem Top of while flag loop
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580 flag = 0
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583 rem Set i back by one if a stable cell (one that won't trip a three in a row) isn't found in 10 attempts. Set i to 3 if i is less than 3
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585 cycle = cycle + 1
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587 if cycle > 10 then guess = guess + 1 : vtab 22 : print "Attempt: "; guess; ", x pos: "; i; " " : i = i - 1 : if i < 3 then i = 3
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590 candidate = 1 + int (symbols * rnd(sd))
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600 rem Proximity checking
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610 if array(i - 1, j) = candidate then if array(i - 2, j) = candidate then flag = 1 : rem same symbol horz left
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620 if array(i, j - 1) = candidate then if array(i, j - 2) = candidate then flag = 1 : rem same symbol up
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630 if array(i - 1, j - 1) = candidate then if array(i - 2, j - 2) = candidate then flag = 1 : rem same symbol diag left & up
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640 if array(i - 1, j + 1) = candidate then if array(i - 2, j + 2) = candidate then flag = 1 : rem same symbol diag left & down
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660 if flag then goto 570 : rem Back to top of while flag loop
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670 array(i, j) = candidate
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680 color= candidate
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690 plot i, j
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700 next j
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710 next i
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720 rem Pick piece for initial Next window
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730 rem Pick shape
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740 for s = 0 to 2
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750 nshape(s) = 1 + int (symbols * rnd(sd))
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780 next s
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790 rem Make turn
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800 x = 2 + int(width/2)
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810 y = 0
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820 rem Copy Next to current shape
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830 for s = 0 to 2
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840 shape(s) = nshape(s)
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850 next s
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890 rem pick next Next
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900 for s = 0 to 2
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910 nshape(s) = 1 + int (symbols * rnd(sd))
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920 color= nshape(s)
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930 plot width + 5 , y+s
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940 next s
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1020 t1 = time
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1050 bot = 0
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1060 drop = 0
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1120 rem Check for end of play
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1130 rem Check for conflict
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1140 if array(x, y) or array(x, y+1) or array(x, y+3) then goto 90 : rem end of game, go to front end
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1150 rem Make move loop
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1160 if drop then t1 = 1
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1170 for clock = 0 to t1
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1180 if peek (49152) > 127 then gosub 1320 : rem Process input if input detected
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1190 next clock
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1200 y1 = y : x1 = x
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1210 y = y + 1
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1220 cfl = 0
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1240 if not bot then gosub 1630 : rem Move piece
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1260 if cfl then goto 2060 : rem Add to shape & check for complete three in a row
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1270 if not bot then 1150 : rem Back to top of Make move loop, else force to bottom
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1280 y = y - 1 : xdr = 1
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1290 gosub 1920 : rem Draw shape (erase)
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1300 y = y + 1 : xdr = 0
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1310 goto 1530 : rem Send piece to bottom
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1320 rem Process input
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1330 a = PEEK (49152)
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1340 get g$
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1350 if g$ = " " then gosub 1960 : return : rem Check for rotate
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1360 if g$ = "J" or a = 136 then gosub 1430 : return : rem Check for move left
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1370 if g$ = "K" or a = 149 then gosub 1480 : return : rem Check for move right
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1380 if g$ = "D" or a = 138 then gosub 1580 : return : rem Force down
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1390 if g$ = "M" then bot = 1 : return : rem Send piece to bottom
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1400 if g$ = "S" then drop = 1 : rem Speed up piece
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1410 if g$ = "P" then gosub 2580 : return : rem Pause game
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1415 if g$ = "R" then goto 460 : rem restart at prefill
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1420 return
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1430 rem Check for move left
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1440 x1 = x : y1 = y
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1450 x = x - 1
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1460 gosub 1630 : rem Move piece
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1470 return
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1480 rem Check for move right
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1490 x1 = x : y1 = y
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1500 x = x + 1
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1510 gosub 1630 : rem Move piece
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1520 return
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1530 rem Send piece to bottom
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1540 y = y + 1
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1545 cfl = 0
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1550 if array(x, y+2) then cfl = 1 : rem Check for conflict
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1560 if cfl then y = y - 1 : gosub 2010 : goto 2060 : rem Draw, then Add to bottom
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1570 goto 1530
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1580 rem Force piece down
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1590 y1 = y : x1 = x
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1600 y = y + 1
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1610 gosub 1630 : rem Move piece
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1620 return
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1630 rem move piece
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1670 cfl = 0
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1680 if array(x, y) or array(x, y+1) or array(x, y+2) then cfl = 1 : rem Check for conflict
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1700 if cfl then gosub 1820 : return : rem Return old values
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1710 color= 0
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1720 vlin y1, y1+2 at x1
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1730 for s = 0 to 2
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1740 color= shape(s)
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1750 plot x, y+s
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1760 next s
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1770 return
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1820 rem Return old values
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1880 x = x1
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1890 y = y1
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1910 return
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1920 rem Erase piece
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1930 color=0
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1940 vlin y, y+2 at x
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1950 return
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1960 rem Rotate
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1970 swap = shape (2)
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1980 shape (2) = shape (1)
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1990 shape (1) = shape (0)
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2000 shape (0) = swap
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2010 for s = 0 to 2 : rem Draw shape, called from 1560
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2020 color= shape(s)
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2030 plot x, y+s
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2040 next s
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2050 return
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2060 rem Check field
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2070 rem Add shape to board
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2080 for s = 0 to 2
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2090 array(x, y + s) = shape(s)
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2100 next s
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2110 rem While found (contol at line 2340. End of loop at 2560)
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2120 found = 0
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2130 rem Initialize array
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2140 for i = 3 to width + 3
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2150 for j = 0 to height
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2160 check(i, j) = 0
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2170 next j
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2180 next i
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2190 rem Start checking for three in a row
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2200 for j = 2 to height
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2210 for i = 3 to width + 2
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2220 if array(i, j) = 0 then goto 2310 : rem Skip dead cells
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2230 rem Check horizontal
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2240 if array(i, j) = array(i - 1, j) and array(i, j) = array(i + 1, j) then check(i - 1, j) = 1 : check(i, j) = 1 : check(i + 1, j) =1 : found = 1
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2250 rem Check vertical
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2260 if array(i, j) = array(i, j - 1) and array(i, j) = array(i, j + 1) then check(i, j - 1) = 1 : check(i, j) = 1 : check(i, j + 1) = 1 : found = 1 : rem vtab 21 : htab 1 : print "2260 found vertical, j+1 = "; j+1; : rem temp code
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2270 rem Check diagonal left
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2280 if array(i, j) = array(i - 1, j - 1) and array(i, j) = array(i + 1, j + 1) then check(i - 1, j - 1) = 1 : check(i, j) = 1 : check(i + 1, j + 1) = 1 : found = 1
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2290 rem Check diagonal right
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2300 if array(i, j) = array(i + 1, j - 1) and array(i, j) = array(i - 1, j + 1) then check(i + 1, j - 1) = 1 : check(i, j) = 1 : check(i - 1, j + 1) = 1 : found = 1
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2310 rem End if skip dead cells
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2320 next i
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2330 next j
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2335 gosub 2740 : rem Count cells to be removed.
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2357 rem while not found control:
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2340 if not found then goto 790 : rem Goto Make turn
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2350 rem Flash cells
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2355 rem gosub 2610 : rem Draw parallel field of check cells
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2360 for blink = 0 to 1
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2370 color= 0
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2380 for j = 2 to height
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2390 for i = 3 to width + 2
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2400 if check(i, j) then plot i, j
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2410 next i
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2420 next j
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2430 for j = 2 to height
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2440 for i = 3 to width + 2
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2450 if check(i, j) then color= array(i, j) : plot i, j
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2460 next i
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2470 next j
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2480 next blink
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2490 rem Remove cells from board
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2500 for i = 3 to width + 2
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2505 offset = 0
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2510 for j = height to 0 step -1
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2520 if not check(i,j) then array(i, j + offset) = array(i, j) : color= array(i, j): plot i, j + offset
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2530 if check(i, j) then offset = offset + 1
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2540 next j
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2550 next i
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2555 if renew then if rows > 0 then if check(left + int(width/2) ,height) then goto 460 : rem end of screen, go to prefill board
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2560 goto 2110 : rem To top of while found loop
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2570 rem End of Check field subroutine
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2580 rem Pause game
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2590 if peek (49152) = 141 then get g$ : null = peek (49168) : return
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2600 goto 2580
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2740 rem Count deleted cells
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2745 nowdead = 0
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2750 for j = 2 to height
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2760 for i = 3 to width + 2
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2770 if check (i, j) then dead = dead + 1: nowdead = nowdead + 1
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2780 next i
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2790 next j
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2800 vtab 22 : htab 1 : print "Cleared: "; nowdead; " "
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2810 vtab 23 : htab 1 : print "Total: "; dead
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2820 return
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2830 rem Front end screen
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2840 rem gosub ? : rem Future animated splash screen
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2860 rem setup default values and screen
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2870 rows = 20 : rem Prefill rows
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2880 width = 6
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2890 symbols = 5
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2900 renew = 1 : rem replay value (yes = 1/no = 0)
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2905 choice = 21 : rem vtab position of menu choice
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2910 time = 500
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2920 height = 39 : rem Full GR screen with text window. Cannot be larger than 47
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2930 left = 2
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2935 rem End of game gosubs to here, past splash screen and default values
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2940 gr
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2950 home
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2970 color= 15 : rem Draw white borders
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2980 vlin 0, height at left
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2990 vlin 0, height at left + width + 1
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2995 gosub 4240 : rem draw top line to indicate height.
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3000 vtab 21 : print " Replay on cleared cell above ^ ";
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3003 if renew then print "YES"
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3005 if not renew then print "NO "
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3007 if rows = 0 then vtab 21 : htab 36 : print "N/A"
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3010 print " Width (3 - 34) "; width; : print " [ENTER] to start"
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3020 print " Prefill (0 - 30) "; rows
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3030 print " Colors (3 - 14) "; symbols;
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3035 vtab choice : htab 1 : print "-->"; : rem draw arrow
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3040 rem Combine the random number seed with a loop that polls for input for game options
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3050 for sd = 0 to 32767
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3060 if peek (49152) > 127 then goto 4000 : rem Process input if input detected
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3070 a = rnd (sd * -1) : rem Dummy variable, just used to increment random number
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3080 next sd
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3090 goto 3050 : REM Return to top of sd to begin poll again
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4000 rem Process Input
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4010 a = PEEK (49152)
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4020 get g$
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4030 if g$ = "J" or a = 136 then gosub 4120 : rem left option
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4040 if g$ = "K" or a = 149 then gosub 4180: rem right option
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4050 if g$ = "D" or g$ = "M" or a = 138 then choice = choice + 1: rem down
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4060 if g$ = "I" or a = 139 then choice = choice - 1: rem up
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4070 if a = 141 then return : rem enter/return to start the game. This is why Process Input is not a subroutine
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4080 if choice < 21 then choice = 24
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4090 if choice > 24 then choice = 21
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4110 goto 2940 : rem redraw screen
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4120 rem Left Choice
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4130 if choice = 21 then renew = 1 + renew * (-1): rem toggle Renew
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4140 if choice = 22 then if width > 3 then width = width - 1: rem width
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4150 if choice = 23 then if rows > 0 then rows = rows - 1 : rem prefill height
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4160 if choice = 24 then if symbols > 3 then symbols = symbols - 1 : rem colors
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4170 return
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4180 rem Right Choice
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4190 if choice = 21 then renew = 1 + renew * (-1): rem toggle Renew
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4200 if choice = 22 then if width < 34 then width = width + 1: rem width
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4210 if choice = 23 then if rows < 30 then rows = rows + 1 : rem prefill height
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4220 if choice = 24 then if symbols < 14 then symbols = symbols + 1 : rem colors
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4230 return
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4240 rem Draw top line to indicate prefill height.
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4250 if rows = 0 then return
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4260 for i = 3 to width + 2
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4270 candidate = 1 + int (symbols * rnd(sd))
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4280 color= candidate
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4290 plot i, 39 - rows
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4300 next i
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4310 return
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4320 rem Blank out the part of screen above prefill. Called at start of every screen, and on an "R" press
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4330 color = 0 : rem black
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4340 for j = left + 1 to width + 2
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4350 vlin 0, height - rows - 1 at j
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4560 next j
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4570 return
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10 rem Tetris code
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90 gosub 4550 : rem Title screen and random number seed
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100 time = 500
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110 height = 39 : rem Cannot be larger than 47
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120 left = 0
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130 width = 9
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140 dim array(width + 1, height + 1), erase(height)
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145 dim sh(7), tl(4)
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150 gr
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160 home
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170 if height > 39 then poke - 16302,0 : rem Extend graphics screen past text window if height is too large
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175 gosub 1850 : rem Set up shapes at bottom of screen
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177 gosub 4240 : rem Set up total line labels
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180 color= 15 : rem Draw borders
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190 vlin 0, height at left
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200 vlin 0, height at left + width + 1
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210 rem Fill in borders in array
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215 rem Fill bottom row
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220 for fill = 0 to width + 1
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230 array(fill, height+1) = 15
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240 next fill
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245 rem Fill left and right sides
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250 for fill = 0 to height + 1
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260 array(0, fill) = 15
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270 array(left+width+1, fill) = 15
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280 next fill
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285 eg=0
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290 gosub 3250: rem Choose piece
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295 lshape = shape
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300 rem Start playing
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310 Gosub 2020: rem Make turn
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320 if not eg then 310
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330 end
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340 rem Shape routines
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345 rem Suggestion for shape definitions with improved lookup speed. Format an array as DN(shape, rot, coord, block) where coord is either the x or y corrdinate, and block is an element (1 - 4) in the shape. This function will return a value of -2, -1, 0, +1 or +2 as an offset of the current x, y position.
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350 rem Shape 1, rot 1; straight piece vertical
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360 a1 = x - 2 : b1 = y
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370 a2 = x - 1 : b2 = y
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380 a3 = x : b3 = y
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390 a4 = x + 1 : b4 = y
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400 return
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410 rem Shape 1, rot 2; straight piece horizontal
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420 a1 = x : b1 = y - 1
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430 a2 = x : b2 = y
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440 a3 = x : b3 = y + 1
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450 a4 = x : b4 = y + 2
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460 return
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470 rem Shape 2, rot 1; L shape vertical
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480 a1 = x - 1 : b1 = y
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490 a2 = x : b2 = y
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500 a3 = x + 1 : b3 = y
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510 a4 = x + 1 : b4 = y - 1
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520 return
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530 rem Shape 2, rot 2; L shape horizontal
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540 a1 = x - 1 : b1 = y - 1
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550 a2 = x : b2 = y - 1
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560 a3 = x : b3 = y
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570 a4 = x : b4 = y + 1
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580 return
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590 rem Shape 2, rot 3
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600 a1 = x - 1 : b1 = y + 1
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610 a2 = x - 1 : b2 = y
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620 a3 = x : b3 = y
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630 a4 = x + 1 : b4 = y
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640 return
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650 rem Shape 2, rot 4
|
||||
660 a1 = x : b1 = y - 1
|
||||
670 a2 = x : b2 = y
|
||||
680 a3 = x : b3 = y + 1
|
||||
690 a4 = x + 1 : b4 = y + 1
|
||||
700 return
|
||||
|
||||
710 rem shape 3, rot 1; Reverse L shape
|
||||
720 a1 = x - 1 : b1 = y
|
||||
730 a2 = x : b2 = y
|
||||
740 a3 = x + 1 : b3 = y
|
||||
750 a4 = x + 1 : b4 = y + 1
|
||||
760 return
|
||||
|
||||
770 rem shape 3, rot 4
|
||||
780 a1 = x : b1 = y - 1
|
||||
790 a2 = x : b2 = y
|
||||
800 a3 = x : b3 = y + 1
|
||||
810 a4 = x - 1 : b4 = y + 1
|
||||
820 return
|
||||
|
||||
830 rem shape 3, rot 3
|
||||
840 a1 = x - 1 : b1 = y - 1
|
||||
850 a2 = x - 1 : b2 = y
|
||||
860 a3 = x : b3 = y
|
||||
870 a4 = x + 1 : b4 = y
|
||||
880 return
|
||||
|
||||
890 rem shape 3, rot 2
|
||||
900 a1 = x + 1 : b1 = y - 1
|
||||
910 a2 = x : b2 = y - 1
|
||||
920 a3 = x : b3 = y
|
||||
930 a4 = x : b4 = y + 1
|
||||
940 return
|
||||
|
||||
950 rem shape 4, rot 1; T shape
|
||||
960 a1 = x : b1 = y - 1
|
||||
970 a2 = x - 1 : b2 = y
|
||||
980 a3 = x : b3 = y
|
||||
990 a4 = x + 1 : b4 = y
|
||||
1000 return
|
||||
|
||||
1010 rem shape 4, rot 2
|
||||
1020 a1 = x : b1 = y - 1
|
||||
1030 a2 = x - 1 : b2 = y
|
||||
1040 a3 = x : b3 = y
|
||||
1050 a4 = x : b4 = y + 1
|
||||
1060 return
|
||||
|
||||
1070 rem shape 4, rot 3
|
||||
1080 a1 = x - 1 : b1 = y
|
||||
1090 a2 = x : b2 = y
|
||||
1100 a3 = x + 1 : b3 = y
|
||||
1120 a4 = x : b4 = y + 1
|
||||
1130 return
|
||||
|
||||
1140 rem shape 4, rot 4
|
||||
1150 a1 = x : b1 = y - 1
|
||||
1160 a2 = x : b2 = y
|
||||
1170 a3 = x + 1 : b3 = y
|
||||
1180 a4 = x : b4 = y + 1
|
||||
1190 return
|
||||
|
||||
1200 rem shape 5; square
|
||||
1210 a1 = x : b1 = y - 1
|
||||
1220 a2 = x + 1 : b2 = y - 1
|
||||
1230 a3 = x : b3 = y
|
||||
1240 a4 = x + 1 : b4 = y
|
||||
1250 return
|
||||
|
||||
1260 rem shape 6, rot 1; S shape
|
||||
1270 a1 = x : b1 = y
|
||||
1280 a2 = x + 1 : b2 = y
|
||||
1290 a3 = x - 1 : b3 = y + 1
|
||||
1300 a4 = x : b4 = y + 1
|
||||
1310 return
|
||||
|
||||
1320 rem shape 6, rot 2
|
||||
1330 a1 = x : b1 = y - 1
|
||||
1340 a2 = x : b2 = y
|
||||
1350 a3 = x + 1 : b3 = y
|
||||
1360 a4 = x + 1 : b4 = y + 1
|
||||
1370 return
|
||||
|
||||
1380 rem shape 7, rot 1; Z shape
|
||||
1390 a1 = x - 1 : b1 = y - 1
|
||||
1400 a2 = x : b2 = y - 1
|
||||
1410 a3 = x : b3 = y
|
||||
1420 a4 = x + 1 : b4 = y
|
||||
1430 return
|
||||
|
||||
1440 rem shape 7, rot 2
|
||||
1450 a1 = x : b1 = y - 1
|
||||
1460 a2 = x - 1 : b2 = y
|
||||
1470 a3 = x : b3 = y
|
||||
1480 a4 = x - 1 : b4 = y + 1
|
||||
1490 return
|
||||
|
||||
1500 rem Shape directory
|
||||
|
||||
1510 if shape <> 1 then 1570 : return
|
||||
1520 if rt = 1 then gosub 350
|
||||
1525 if rt = 2 then gosub 410
|
||||
1560 return
|
||||
|
||||
1570 if shape <> 2 then 1620
|
||||
1580 if rt = 1 then gosub 470 : return
|
||||
1590 if rt = 2 then gosub 530 : return
|
||||
1600 if rt = 3 then gosub 590 : return
|
||||
1605 if rt = 4 then gosub 650
|
||||
1610 return
|
||||
|
||||
1620 if shape <> 3 then 1670
|
||||
1630 if rt = 1 then gosub 710 : return
|
||||
1640 if rt = 2 then gosub 890 : return
|
||||
1650 if rt = 3 then gosub 830 : return
|
||||
1655 if rt = 4 then gosub 770 : return
|
||||
1660 return
|
||||
|
||||
1670 if shape <> 4 then 1710
|
||||
1680 if rt = 1 then gosub 950 : return
|
||||
1690 if rt = 2 then gosub 1010 : return
|
||||
1700 if rt = 3 then gosub 1070 : return
|
||||
1705 if rt = 4 then gosub 1140 : return
|
||||
|
||||
1710 if shape = 5 then gosub 1200 : return
|
||||
|
||||
1720 if shape <> 6 then 1740
|
||||
1730 if rt = 1 then gosub 1260 : return
|
||||
1733 if rt = 2 then gosub 1320
|
||||
1735 return
|
||||
|
||||
1740 if shape <> 7 then 1760
|
||||
1750 if rt = 1 then gosub 1380 : return
|
||||
1755 if rt = 2 then gosub 1440
|
||||
1760 return
|
||||
|
||||
1770 rem Draw shape
|
||||
1780 color= shape
|
||||
1785 if xdr then color= 0
|
||||
1790 gosub 1500 : rem get shape from directory
|
||||
1800 plot a1, b1
|
||||
1810 plot a2, b2
|
||||
1820 plot a3, b3
|
||||
1830 plot a4, b4
|
||||
1840 return
|
||||
|
||||
1850 rem Set up shapes at bottom of screen
|
||||
1860 rt = 1
|
||||
1870 y = 37
|
||||
1880 x = 14
|
||||
1890 for shape = 1 to 7
|
||||
1900 gosub 1770 : rem Draw shape
|
||||
1910 x = x + 4
|
||||
1920 next shape
|
||||
1930 return
|
||||
|
||||
1940 rem Check conflict
|
||||
1945 rem Called from 4450 (Send piece to bottom) and 4790 (Move piece)
|
||||
1950 cfl = 0
|
||||
1960 gosub 1500 : rem Shape directory
|
||||
1965 if a1 < 0 or b1 < 0 or a2 < 0 or b2 < 0 or a3 < 0 or b3 < 0 or a4 < 0 or b4 < 0 then cfl = 1 : return
|
||||
1970 if array(a1, b1) then cfl = 1 : return
|
||||
1980 if array(a2, b2) then cfl = 1 : return
|
||||
1990 if array(a3, b3) then cfl = 1 : return
|
||||
2000 if array(a4, b4) then cfl = 1 : return
|
||||
2010 return
|
||||
|
||||
2020 rem Make turn
|
||||
2023 null = peek (49168) : rem Reset keyboard strobe
|
||||
2025 t1 = time
|
||||
2030 y = 1
|
||||
2033 bot = 0
|
||||
2035 drop = 0
|
||||
2040 x = 1 + left + width + 4 : rem Offset shape for drawing in Next window
|
||||
2050 rt = 1
|
||||
2055 shape = lshape
|
||||
2060 xdr = 1 : rem Set variable for erasing shape in last "next" window
|
||||
2070 gosub 1770 : rem Draw (erase) shape
|
||||
2080 xdr = 0
|
||||
2090 ns = lshape
|
||||
2100 gosub 3250 : rem Pick shape
|
||||
2110 gosub 1770 : rem Draw shape in "next" window
|
||||
2120 lshape = shape
|
||||
2130 shape = ns
|
||||
2135 gosub 4160 : rem Calculate & print total shapes picked
|
||||
2140 rem (Arbitrary numbering shift to 3000s due to typo)
|
||||
3140 x = 1 + int(width/2) : rem Set x to middle of field for start of round
|
||||
|
||||
3150 rem Check for end of play
|
||||
3160 gosub 1940 : rem Check for conflict
|
||||
3170 if cfl then eg = 1 : return
|
||||
3175 gosub 1770 : rem Draw shape
|
||||
|
||||
3180 rem Make move loop
|
||||
3185 if drop then t1 = 1
|
||||
3187 for clock = 0 to t1
|
||||
3190 if peek (49152) > 127 then gosub 3280 : rem Process input if input detected
|
||||
3200 next clock
|
||||
|
||||
3205 y1 = y : x1 = x : r1 = rt
|
||||
3210 y = y + 1
|
||||
3215 cfl = 0
|
||||
3220 if not bot then gosub 4740 : rem Move piece
|
||||
3230 if cfl then gosub 3660 : return : rem Add to shape & check for complete line
|
||||
3233 if not bot then 3180 : rem Back to top of Make move loop, else force to bottom
|
||||
3235 y = y - 1 : xdr = 1
|
||||
3239 gosub 1770 : rem Draw shape (erase)
|
||||
3242 y = y + 1 : xdr = 0
|
||||
3245 gosub 4430 : return : rem Send piece to bottom
|
||||
|
||||
3250 rem Pick shape
|
||||
3260 shape = 1 + int (7 * rnd(sd))
|
||||
3270 return
|
||||
|
||||
3280 rem Process input
|
||||
3285 a = PEEK (49152)
|
||||
3290 get g$
|
||||
3300 if g$ = " " then gosub 3470 : return : rem Check for rotate
|
||||
3310 if g$ = "J" or a = 136 then gosub 3350 : return : rem Check for move left
|
||||
3320 if g$ = "K" or a = 149 then gosub 3410 : return : rem Check for move right
|
||||
3325 if g$ = "D" or a = 138 then gosub 4480 : return : rem Force down
|
||||
3330 if g$ = "M" then bot = 1 : return : rem Send piece to bottom
|
||||
3335 if g$ = "S" then drop = 1 : rem Speed up piece
|
||||
3337 if g$ = "P" then gosub 4700 : return : rem Pause game
|
||||
3340 return
|
||||
|
||||
3350 rem Check for move left
|
||||
3360 x1 = x : y1 = y : r1 = rt
|
||||
3370 x = x - 1
|
||||
3380 gosub 4740 : rem Move piece
|
||||
3400 return
|
||||
|
||||
3410 rem Check for move right
|
||||
3420 x1 = x : y1 = y : r1 = rt
|
||||
3430 x = x + 1
|
||||
3450 gosub 4740 : rem Move piece
|
||||
3460 return
|
||||
|
||||
3470 rem Check for rotate
|
||||
3480 r1 = rt : x1 = x : y1 = y
|
||||
3490 gosub 3530 : rem Rotate directory
|
||||
3510 gosub 4740 : rem Move piece
|
||||
3520 return
|
||||
|
||||
3530 rem Rotate directory
|
||||
3540 if shape = 1 or shape = 7 or shape = 6 then gosub 3570 : return : rem Two way rotate
|
||||
3550 if shape = 2 or shape = 3 or shape = 4 then gosub 3600 : return : rem Four way rotate
|
||||
3560 return
|
||||
|
||||
3570 rem Two way rotate
|
||||
3580 if rt = 1 then rt = 2 : return
|
||||
3585 if rt = 2 then rt = 1
|
||||
3590 return
|
||||
|
||||
3600 rem Four way rotate
|
||||
3610 if rt = 1 then rt = 2 : return
|
||||
3620 if rt = 2 then rt = 3 : return
|
||||
3630 if rt = 3 then rt = 4 : return
|
||||
3640 rt = 1
|
||||
3650 return
|
||||
|
||||
3660 rem Check for complete line
|
||||
3665 gosub 3770 : rem Add piece to board
|
||||
3670 line = 0
|
||||
3673 if y + 2 < height then dw = y + 2
|
||||
3677 if y + 2 = > height then dw = height
|
||||
3680 for row = y - 1 to dw
|
||||
3690 hit = 0
|
||||
3700 for c = left + 1 to width + left
|
||||
3710 if not array (c, row) then hit = 1
|
||||
3720 next c
|
||||
3730 if not hit then erase(row) = 1 : line = line + 1
|
||||
3740 next row
|
||||
3750 if line then gosub 3850 : rem Blink & erase lines
|
||||
3760 return
|
||||
|
||||
3770 rem Add to board
|
||||
3790 gosub 1500 : rem Shape directory
|
||||
3800 array (a1, b1) = shape
|
||||
3810 array (a2, b2) = shape
|
||||
3820 array (a3, b3) = shape
|
||||
3830 array (a4, b4) = shape
|
||||
3840 return
|
||||
|
||||
3850 rem Blink & erase lines
|
||||
3853 gosub 4310 : rem Calculate & print total lines cleared
|
||||
3860 for blink = 0 to 3
|
||||
3865 color= 0
|
||||
3870 for row = y - 1 to dw
|
||||
3880 if erase (row) then hlin left + 1, left + width at row
|
||||
3890 next row
|
||||
3895 for zz = 0 to 300 : next zz : rem Time delay
|
||||
3900 for row = y - 1 to dw
|
||||
3910 if erase(row) then gosub 3950 : rem redraw line
|
||||
3920 next row
|
||||
3925 for zz = 0 to 300 : next zz : rem Time delay
|
||||
3930 next blink
|
||||
3933 gosub 4020 : rem Restack shape
|
||||
3940 return
|
||||
|
||||
3950 rem Redraw line
|
||||
3960 for c = left + 1 to left + width
|
||||
3980 color= array(c, row)
|
||||
3990 plot c, row
|
||||
4000 next c
|
||||
4010 return
|
||||
|
||||
4020 rem Restack shape
|
||||
4025 l1 = 0
|
||||
4030 sh = 0
|
||||
4040 row = dw
|
||||
4043 rem Top of loop
|
||||
4044 if row < 0 then gosub 4980 : goto 4060 : rem Clear top of shape
|
||||
4045 if not erase (row) then gosub 4080 : goto 4060 : rem Shift row
|
||||
4050 if erase (row) then sh = sh + 1 : erase (row) = 0
|
||||
4060 row = row - 1
|
||||
4065 if row + sh > 0 then 4043
|
||||
4070 return
|
||||
|
||||
4080 rem Shift row
|
||||
4085 hit = 0
|
||||
4090 for c = 1 to width
|
||||
4095 if array (c, row) then hit = 1 :rem If there is an active cell, it's not a completely blank line.
|
||||
4100 array (c, row + sh) = array (c, row)
|
||||
4110 color= array (c, row)
|
||||
4120 plot c, row + sh
|
||||
4130 next c
|
||||
4135 if not hit then l1 = l1 + 1 : rem If the line is completely blank
|
||||
4140 if l1 > line then row = -4
|
||||
4150 return
|
||||
|
||||
4160 rem calculate & print total shapes picked
|
||||
4170 sp (shape) = sp (shape) + 1
|
||||
4190 vtab 21
|
||||
4200 htab 10 + (shape * 4)
|
||||
4210 print sp(shape);
|
||||
4230 return
|
||||
|
||||
4240 rem set up total line labels
|
||||
4245 htab 1
|
||||
4250 vtab 21 : print "SIN"
|
||||
4255 htab 1
|
||||
4260 vtab 22 : print "DOU"
|
||||
4265 htab 1
|
||||
4270 vtab 23 : print "TRI"
|
||||
4275 htab 1
|
||||
4280 vtab 24 : print "TET";
|
||||
4285 htab 24
|
||||
4290 htab 10 : print "TOT";
|
||||
4300 return
|
||||
|
||||
4310 rem calculate & print total lines cleared
|
||||
4320 tl (line) = tl (line) + 1 : tt = tt + line
|
||||
4350 htab 7
|
||||
4360 vtab 20 + line
|
||||
4370 print tl (line);
|
||||
4390 htab 15
|
||||
4400 vtab 24
|
||||
4410 print tt;
|
||||
4420 return
|
||||
|
||||
4430 rem Send piece to bottom
|
||||
4440 y = y + 1
|
||||
4450 gosub 1940 : rem Check for conflict
|
||||
4460 if cfl then y = y - 1 : gosub 1770 : gosub 3660 : return : rem Draw, Add to bottom
|
||||
4470 goto 4440
|
||||
|
||||
4480 rem Force piece down
|
||||
4490 y1 = y : x1 = x : r1 = rt
|
||||
4500 y = y + 1
|
||||
4510 gosub 4740 : rem Move piece
|
||||
4540 return
|
||||
|
||||
4550 rem Title screen and random number seed
|
||||
4555 pr#0
|
||||
4560 text : home
|
||||
4570 print "Tetris for Applesoft BASIC"
|
||||
4580 print "Programed by Arthur Allen"
|
||||
4590 print "Based on Tetris by Alexey Pajitnov"
|
||||
4680 print
|
||||
4690 print "Press Enter to begin"
|
||||
|
||||
4700 for sd = 0 to 9999999
|
||||
4710 if peek (49152) = 141 then get g$ : null = peek (49168) : return
|
||||
4712 null = peek (49168) : rem Reset keyboard strobe
|
||||
4715 a = rnd (sd)
|
||||
4720 next sd
|
||||
4730 goto 4700
|
||||
|
||||
4740 rem move piece
|
||||
4750 c1 = a1 : d1 = b1
|
||||
4760 c2 = a2 : d2 = b2
|
||||
4770 c3 = a3 : d3 = b3
|
||||
4780 c4 = a4 : d4 = b4
|
||||
4790 gosub 1940 : rem Check for conflict
|
||||
4795 rem vtab 21 : htab 1 : print "4795 Move piece: x, y , g$, cfl "; x; " "; y; " "; g$; cfl; : rem temp code
|
||||
4796 rem if y = 40 then vtab 22 : htab 1 : print "4796 y=40, cfl = "; cfl
|
||||
4800 if cfl then gosub 4890 : return : rem Return old values
|
||||
4805 color= 0
|
||||
4810 plot c1, d1
|
||||
4820 plot c2, d2
|
||||
4830 plot c3, d3
|
||||
4840 plot c4, d4
|
||||
4845 color= shape
|
||||
4850 plot a1, b1
|
||||
4860 plot a2, b2
|
||||
4870 plot a3, b3
|
||||
4880 plot a4, b4
|
||||
4885 return
|
||||
|
||||
4890 rem Return old values
|
||||
4900 a1 = c1 : b1 = d1
|
||||
4910 a2 = c2 : b2 = d2
|
||||
4920 a3 = c3 : b3 = d3
|
||||
4930 a4 = c4 : b4 = d4
|
||||
4940 rt = r1
|
||||
4950 x = x1
|
||||
4960 y = y1
|
||||
4965 gosub 1500 : rem Shape directory
|
||||
4970 return
|
||||
|
||||
4980 rem Clear top of shape
|
||||
4990 color= 0
|
||||
5000 hlin 1, width at row + sh
|
||||
5010 for c = 1 to width
|
||||
5020 array (c, row + sh) = 0
|
||||
5030 next c
|
||||
5040 return
|
||||
|
||||
5050 rem End of listing
|
||||
Loading…
Reference in New Issue