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4a27231196
* Applesoft Basic Columns Game Columns Game using lores graphics. * Update index.html Added links to Tetris and Columns games
507 lines
13 KiB
Plaintext
507 lines
13 KiB
Plaintext
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
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660 a1 = x : b1 = y - 1
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670 a2 = x : b2 = y
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680 a3 = x : b3 = y + 1
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690 a4 = x + 1 : b4 = y + 1
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700 return
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710 rem shape 3, rot 1; Reverse L shape
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720 a1 = x - 1 : b1 = y
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730 a2 = x : b2 = y
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740 a3 = x + 1 : b3 = y
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750 a4 = x + 1 : b4 = y + 1
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760 return
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770 rem shape 3, rot 4
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780 a1 = x : b1 = y - 1
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790 a2 = x : b2 = y
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800 a3 = x : b3 = y + 1
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810 a4 = x - 1 : b4 = y + 1
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820 return
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830 rem shape 3, rot 3
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840 a1 = x - 1 : b1 = y - 1
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850 a2 = x - 1 : b2 = y
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860 a3 = x : b3 = y
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870 a4 = x + 1 : b4 = y
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880 return
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890 rem shape 3, rot 2
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900 a1 = x + 1 : b1 = y - 1
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910 a2 = x : b2 = y - 1
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920 a3 = x : b3 = y
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930 a4 = x : b4 = y + 1
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940 return
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950 rem shape 4, rot 1; T shape
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960 a1 = x : b1 = y - 1
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970 a2 = x - 1 : b2 = y
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980 a3 = x : b3 = y
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990 a4 = x + 1 : b4 = y
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1000 return
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1010 rem shape 4, rot 2
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1020 a1 = x : b1 = y - 1
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1030 a2 = x - 1 : b2 = y
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1040 a3 = x : b3 = y
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1050 a4 = x : b4 = y + 1
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1060 return
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1070 rem shape 4, rot 3
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1080 a1 = x - 1 : b1 = y
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1090 a2 = x : b2 = y
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1100 a3 = x + 1 : b3 = y
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1120 a4 = x : b4 = y + 1
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1130 return
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1140 rem shape 4, rot 4
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1150 a1 = x : b1 = y - 1
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1160 a2 = x : b2 = y
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1170 a3 = x + 1 : b3 = y
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1180 a4 = x : b4 = y + 1
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1190 return
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1200 rem shape 5; square
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1210 a1 = x : b1 = y - 1
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1220 a2 = x + 1 : b2 = y - 1
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1230 a3 = x : b3 = y
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1240 a4 = x + 1 : b4 = y
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1250 return
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1260 rem shape 6, rot 1; S shape
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1270 a1 = x : b1 = y
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1280 a2 = x + 1 : b2 = y
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1290 a3 = x - 1 : b3 = y + 1
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1300 a4 = x : b4 = y + 1
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1310 return
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1320 rem shape 6, rot 2
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1330 a1 = x : b1 = y - 1
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1340 a2 = x : b2 = y
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1350 a3 = x + 1 : b3 = y
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1360 a4 = x + 1 : b4 = y + 1
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1370 return
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1380 rem shape 7, rot 1; Z shape
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1390 a1 = x - 1 : b1 = y - 1
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1400 a2 = x : b2 = y - 1
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1410 a3 = x : b3 = y
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1420 a4 = x + 1 : b4 = y
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1430 return
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1440 rem shape 7, rot 2
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1450 a1 = x : b1 = y - 1
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1460 a2 = x - 1 : b2 = y
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1470 a3 = x : b3 = y
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1480 a4 = x - 1 : b4 = y + 1
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1490 return
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1500 rem Shape directory
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1510 if shape <> 1 then 1570 : return
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1520 if rt = 1 then gosub 350
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1525 if rt = 2 then gosub 410
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1560 return
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1570 if shape <> 2 then 1620
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1580 if rt = 1 then gosub 470 : return
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1590 if rt = 2 then gosub 530 : return
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1600 if rt = 3 then gosub 590 : return
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1605 if rt = 4 then gosub 650
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1610 return
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1620 if shape <> 3 then 1670
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1630 if rt = 1 then gosub 710 : return
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1640 if rt = 2 then gosub 890 : return
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1650 if rt = 3 then gosub 830 : return
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1655 if rt = 4 then gosub 770 : return
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1660 return
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1670 if shape <> 4 then 1710
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1680 if rt = 1 then gosub 950 : return
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1690 if rt = 2 then gosub 1010 : return
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1700 if rt = 3 then gosub 1070 : return
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1705 if rt = 4 then gosub 1140 : return
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1710 if shape = 5 then gosub 1200 : return
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1720 if shape <> 6 then 1740
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1730 if rt = 1 then gosub 1260 : return
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1733 if rt = 2 then gosub 1320
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1735 return
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1740 if shape <> 7 then 1760
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1750 if rt = 1 then gosub 1380 : return
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1755 if rt = 2 then gosub 1440
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1760 return
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1770 rem Draw shape
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1780 color= shape
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1785 if xdr then color= 0
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1790 gosub 1500 : rem get shape from directory
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1800 plot a1, b1
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1810 plot a2, b2
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1820 plot a3, b3
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1830 plot a4, b4
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1840 return
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1850 rem Set up shapes at bottom of screen
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1860 rt = 1
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1870 y = 37
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1880 x = 14
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1890 for shape = 1 to 7
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1900 gosub 1770 : rem Draw shape
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1910 x = x + 4
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1920 next shape
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1930 return
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1940 rem Check conflict
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1945 rem Called from 4450 (Send piece to bottom) and 4790 (Move piece)
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1950 cfl = 0
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1960 gosub 1500 : rem Shape directory
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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
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1970 if array(a1, b1) then cfl = 1 : return
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1980 if array(a2, b2) then cfl = 1 : return
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1990 if array(a3, b3) then cfl = 1 : return
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2000 if array(a4, b4) then cfl = 1 : return
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2010 return
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2020 rem Make turn
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2023 null = peek (49168) : rem Reset keyboard strobe
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2025 t1 = time
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2030 y = 1
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2033 bot = 0
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2035 drop = 0
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2040 x = 1 + left + width + 4 : rem Offset shape for drawing in Next window
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2050 rt = 1
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2055 shape = lshape
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2060 xdr = 1 : rem Set variable for erasing shape in last "next" window
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2070 gosub 1770 : rem Draw (erase) shape
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2080 xdr = 0
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2090 ns = lshape
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2100 gosub 3250 : rem Pick shape
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2110 gosub 1770 : rem Draw shape in "next" window
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2120 lshape = shape
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2130 shape = ns
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2135 gosub 4160 : rem Calculate & print total shapes picked
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2140 rem (Arbitrary numbering shift to 3000s due to typo)
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3140 x = 1 + int(width/2) : rem Set x to middle of field for start of round
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3150 rem Check for end of play
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3160 gosub 1940 : rem Check for conflict
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3170 if cfl then eg = 1 : return
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3175 gosub 1770 : rem Draw shape
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3180 rem Make move loop
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3185 if drop then t1 = 1
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3187 for clock = 0 to t1
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3190 if peek (49152) > 127 then gosub 3280 : rem Process input if input detected
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3200 next clock
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3205 y1 = y : x1 = x : r1 = rt
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3210 y = y + 1
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3215 cfl = 0
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3220 if not bot then gosub 4740 : rem Move piece
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3230 if cfl then gosub 3660 : return : rem Add to shape & check for complete line
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3233 if not bot then 3180 : rem Back to top of Make move loop, else force to bottom
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3235 y = y - 1 : xdr = 1
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3239 gosub 1770 : rem Draw shape (erase)
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3242 y = y + 1 : xdr = 0
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3245 gosub 4430 : return : rem Send piece to bottom
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3250 rem Pick shape
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3260 shape = 1 + int (7 * rnd(sd))
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3270 return
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3280 rem Process input
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3285 a = PEEK (49152)
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3290 get g$
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3300 if g$ = " " then gosub 3470 : return : rem Check for rotate
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3310 if g$ = "J" or a = 136 then gosub 3350 : return : rem Check for move left
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3320 if g$ = "K" or a = 149 then gosub 3410 : return : rem Check for move right
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3325 if g$ = "D" or a = 138 then gosub 4480 : return : rem Force down
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3330 if g$ = "M" then bot = 1 : return : rem Send piece to bottom
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3335 if g$ = "S" then drop = 1 : rem Speed up piece
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3337 if g$ = "P" then gosub 4700 : return : rem Pause game
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3340 return
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3350 rem Check for move left
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3360 x1 = x : y1 = y : r1 = rt
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3370 x = x - 1
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3380 gosub 4740 : rem Move piece
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3400 return
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3410 rem Check for move right
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3420 x1 = x : y1 = y : r1 = rt
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3430 x = x + 1
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3450 gosub 4740 : rem Move piece
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3460 return
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3470 rem Check for rotate
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3480 r1 = rt : x1 = x : y1 = y
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3490 gosub 3530 : rem Rotate directory
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3510 gosub 4740 : rem Move piece
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3520 return
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3530 rem Rotate directory
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3540 if shape = 1 or shape = 7 or shape = 6 then gosub 3570 : return : rem Two way rotate
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3550 if shape = 2 or shape = 3 or shape = 4 then gosub 3600 : return : rem Four way rotate
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3560 return
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3570 rem Two way rotate
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3580 if rt = 1 then rt = 2 : return
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3585 if rt = 2 then rt = 1
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3590 return
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3600 rem Four way rotate
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3610 if rt = 1 then rt = 2 : return
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3620 if rt = 2 then rt = 3 : return
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3630 if rt = 3 then rt = 4 : return
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3640 rt = 1
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3650 return
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3660 rem Check for complete line
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3665 gosub 3770 : rem Add piece to board
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3670 line = 0
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3673 if y + 2 < height then dw = y + 2
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3677 if y + 2 = > height then dw = height
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3680 for row = y - 1 to dw
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3690 hit = 0
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3700 for c = left + 1 to width + left
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3710 if not array (c, row) then hit = 1
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3720 next c
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3730 if not hit then erase(row) = 1 : line = line + 1
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3740 next row
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3750 if line then gosub 3850 : rem Blink & erase lines
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3760 return
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3770 rem Add to board
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3790 gosub 1500 : rem Shape directory
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3800 array (a1, b1) = shape
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3810 array (a2, b2) = shape
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3820 array (a3, b3) = shape
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3830 array (a4, b4) = shape
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3840 return
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3850 rem Blink & erase lines
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3853 gosub 4310 : rem Calculate & print total lines cleared
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3860 for blink = 0 to 3
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3865 color= 0
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3870 for row = y - 1 to dw
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3880 if erase (row) then hlin left + 1, left + width at row
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3890 next row
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3895 for zz = 0 to 300 : next zz : rem Time delay
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3900 for row = y - 1 to dw
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3910 if erase(row) then gosub 3950 : rem redraw line
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3920 next row
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3925 for zz = 0 to 300 : next zz : rem Time delay
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3930 next blink
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3933 gosub 4020 : rem Restack shape
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3940 return
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3950 rem Redraw line
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3960 for c = left + 1 to left + width
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3980 color= array(c, row)
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3990 plot c, row
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4000 next c
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4010 return
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4020 rem Restack shape
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4025 l1 = 0
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4030 sh = 0
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4040 row = dw
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4043 rem Top of loop
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4044 if row < 0 then gosub 4980 : goto 4060 : rem Clear top of shape
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4045 if not erase (row) then gosub 4080 : goto 4060 : rem Shift row
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4050 if erase (row) then sh = sh + 1 : erase (row) = 0
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4060 row = row - 1
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4065 if row + sh > 0 then 4043
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4070 return
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4080 rem Shift row
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4085 hit = 0
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4090 for c = 1 to width
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4095 if array (c, row) then hit = 1 :rem If there is an active cell, it's not a completely blank line.
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4100 array (c, row + sh) = array (c, row)
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4110 color= array (c, row)
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4120 plot c, row + sh
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4130 next c
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4135 if not hit then l1 = l1 + 1 : rem If the line is completely blank
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4140 if l1 > line then row = -4
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4150 return
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4160 rem calculate & print total shapes picked
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4170 sp (shape) = sp (shape) + 1
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4190 vtab 21
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4200 htab 10 + (shape * 4)
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4210 print sp(shape);
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4230 return
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4240 rem set up total line labels
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4245 htab 1
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4250 vtab 21 : print "SIN"
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4255 htab 1
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4260 vtab 22 : print "DOU"
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4265 htab 1
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4270 vtab 23 : print "TRI"
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4275 htab 1
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4280 vtab 24 : print "TET";
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4285 htab 24
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4290 htab 10 : print "TOT";
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4300 return
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4310 rem calculate & print total lines cleared
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4320 tl (line) = tl (line) + 1 : tt = tt + line
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4350 htab 7
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4360 vtab 20 + line
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4370 print tl (line);
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4390 htab 15
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4400 vtab 24
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4410 print tt;
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4420 return
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4430 rem Send piece to bottom
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4440 y = y + 1
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4450 gosub 1940 : rem Check for conflict
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4460 if cfl then y = y - 1 : gosub 1770 : gosub 3660 : return : rem Draw, Add to bottom
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4470 goto 4440
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4480 rem Force piece down
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4490 y1 = y : x1 = x : r1 = rt
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4500 y = y + 1
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4510 gosub 4740 : rem Move piece
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4540 return
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4550 rem Title screen and random number seed
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4555 pr#0
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4560 text : home
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4570 print "Tetris for Applesoft BASIC"
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4580 print "Programed by Arthur Allen"
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4590 print "Based on Tetris by Alexey Pajitnov"
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4680 print
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4690 print "Press Enter to begin"
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4700 for sd = 0 to 9999999
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4710 if peek (49152) = 141 then get g$ : null = peek (49168) : return
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4712 null = peek (49168) : rem Reset keyboard strobe
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4715 a = rnd (sd)
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4720 next sd
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4730 goto 4700
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4740 rem move piece
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4750 c1 = a1 : d1 = b1
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4760 c2 = a2 : d2 = b2
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4770 c3 = a3 : d3 = b3
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4780 c4 = a4 : d4 = b4
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4790 gosub 1940 : rem Check for conflict
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4795 rem vtab 21 : htab 1 : print "4795 Move piece: x, y , g$, cfl "; x; " "; y; " "; g$; cfl; : rem temp code
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4796 rem if y = 40 then vtab 22 : htab 1 : print "4796 y=40, cfl = "; cfl
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4800 if cfl then gosub 4890 : return : rem Return old values
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4805 color= 0
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4810 plot c1, d1
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4820 plot c2, d2
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4830 plot c3, d3
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4840 plot c4, d4
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4845 color= shape
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4850 plot a1, b1
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4860 plot a2, b2
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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 |