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- 10 poke56,48:poke55,0:clr
- 20 dv=peek(186):ifdv<8thendv=8
- 30 sys57812"chess font",dv,0:poke780,0:poke781,0:poke782,56:sys65493
- 40 sys57812"chess sprites",dv,0:poke780,0:poke781,0:poke782,48:sys65493
- 50 print"[147]";:poke53280,0
- 60 poke53281,10:poke646,0:poke53272,31:gosub870
- 70 :
- 80 rem title screen
- 90 :
- 100 print"[147][176][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][174]";
- 110 print"[221] [221]";
- 120 print"[221] [176][192][192][192][174] [221]";
- 130 print"[221] [221] [176][192][192][192][192][178][192][192][192][192][178][192][192][192][192][174] [221]";
- 140 print"[221] [173][192][192][192][189] [221] [221] [221] [221] [221]";
- 150 print"[221] [176][192][192][192][174] [221] [221] [221] [221] [221]";
- 160 print"[221] [221] [221] [221] [221] [221] [221] [221]";
- 170 print"[221] [173][192][192][192][189] [171][192][192][192][192][219][192][192][192][192][219][192][192][192][192][179] [221]";
- 180 print"[221] [176][192][192][192][174] [221] [221] [221] [221] [221]";
- 190 print"[221] [171][192][178][192][189] [221] [221] [221] [221] [221]";
- 200 print"[221] [189] [173][192][189] [221] [221] [221] [221] [221]";
- 210 print"[221] [176][192][174] [176] [171][192][192][192][192][219][192][192][192][192][219][192][192][192][192][179] [221]";
- 220 print"[221] [221] [221] [221] [221] [221] [221] [221] [221]";
- 230 print"[221] [189] [173][192][189] [221] [221] [221] [221] [221]";
- 240 print"[221] [176][192][192][192][174] [221] [221] [221] [221] [221]";
- 250 print"[221] [171][192][192] [173][192][192][192][192][177][192][192][192][192][177][192][192][192][192][189] [221]";
- 260 print"[221] [173][192][192][192][189] [221]";
- 270 print"[221] [176][192][192][192][174] [221]";
- 280 print"[221] [171][192][178][192][189] [221]";
- 290 print"[221] [189] [173][192][189] [221]";
- 300 print"[221] [176][192][178][192][174][174] [176][176][192][192][174] [174] [176][189] [178] [176][192][174] [176][176][192][192][174] [221]";
- 310 print"[221] [221] [171][192][192][179][171][192][192] [171][192][179] [221] [221] [221] [221][221] [176][174] [221]";
- 320 print"[221] [177] [189] [173][173][192][192][189] [189] [173][174] [177] [189] [173][192][189][173][192][192][189] [221]";
- 330 print"[221] [221]";
- 340 print"[173][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][189][157][148][192]";
- 342 fori=217to242:pokei,peek(i)or128:next
- 350 gosub940
- 352 tq=0:poke53370,0
- 354 tq=tq+1:geta$:ifa$=""andtq<200then354
- 356 poke53371,0
- 358 pokev+21,0
- 360 :
- 370 rem instruction screen
- 380 :
- 390 print"[147][176][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][174]";
- 400 print"[221] [221]";
- 410 print"[221] [201]n 1922, the famous [176][192][192][192][192][178][192][192][192][192][178][192][192][192][192][174] [221]";
- 420 print"[221] puzzler [200] [197] [196]udeney [221] [221] [221] [221] [221]";
- 430 print"[221] proposed this chess [221] [221] [221] [221] [221]";
- 440 print"[221] puzzle shown on the [221] [221] [221] [221] [221]";
- 450 print"[221] board at the right: [171][192][192][192][192][219][192][192][192][192][219][192][192][192][192][179] [221]";
- 460 print"[221] [221] [221] [221] [221] [221]";
- 470 print"[221] [205]ove the white king[144] [221] [221] [221] [221] [221]";
- 480 print"[221] in the upper right[144] [221] [221] [221] [221] [221]";
- 490 print"[221] corner to the lower[144] [171][192][192][192][192][219][192][192][192][192][219][192][192][192][192][179] [221]";
- 500 print"[221] left corner with it[144] [221] [221] [221] [221] [221]";
- 510 print"[221] never entering the[144] [221] [221] [221] [221] [221]";
- 520 print"[221] center square.[144] [221] [221] [221] [221] [221]";
- 530 print"[221] [173][192][192][192][192][177][192][192][192][192][177][192][192][192][192][189] [221]";
- 540 print"[221] [208]awns cannot move. [193]ll other pieces[144] [221]";
- 550 print"[221] move only within the 3x3 chessboard.[144] [221]";
- 560 print"[221] [221]";
- 570 print"[221] [208]ress (1) to pursue the chess puzzle [221]";
- 580 print"[221] without assistance and (2) to view a [221]";
- 590 print"[221] computer demonstration of one way to [221]";
- 600 print"[221] solve the chess puzzle. [207]ption? [221]";
- 610 print"[221] [221]";
- 620 print"[173][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][192][189]";
- 630 print" [157][148] ";:gosub1000
- 632 fori=217to242:pokei,peek(i)or128:next
- 640 :
- 650 rem input option
- 660 :
- 670 p=1899:gosub800:poke198,0
- 680 poke204,0:poke207,0
- 690 geta$:ifa$<"1"ora$>"2"then680
- 700 a=val(a$)
- 710 print"[147]";:poke204,1:poke1020,a:pokev+21,0:poke53281,0
- 720 :
- 730 rem load main program
- 740 :
- 750 print"[147][146] load"chr$(34)"king.main"chr$(34)","dv:print""
- 760 poke198,4:poke631,13:poke632,82:poke633,213:poke634,13:end
- 770 :
- 780 rem cursor positioning subroutine
- 790 :
- 800 print"";:p=p-1024:py=int(p/40):px=p-40*py
- 810 ifpythenforpp=1topy:print"";:next
- 820 ifpxthenforpp=1topx:print"";:next
- 830 p=p+1024:return
- 840 :
- 850 rem sprite creation subroutine
- 860 :
- 870 v=53248
- 880 poke2040,192:poke2041,193:poke2042,194:poke2043,195
- 890 poke2044,195:poke2045,196:poke2046,196:poke2047,196
- 900 fori=39to45step2:pokev+i,1:pokev+i+1,0:next:return
- 910 :
- 920 rem activate title sprites
- 930 :
- 940 pokev,236:pokev+1,84:pokev+2,236:pokev+3,116:pokev+4,236:pokev+5,148
- 950 pokev+6,196:pokev+7,148:pokev+8,196:pokev+9,116:pokev+10,196:pokev+11,84
- 960 pokev+12,156:pokev+13,84:pokev+14,156:pokev+15,116:pokev+21,255:return
- 970 :
- 980 rem activate instruction sprites
- 990 :
- 1000 pokev,36:pokev+1,76:pokev+2,36:pokev+3,108:pokev+4,36:pokev+5,140
- 1010 pokev+6,252:pokev+7,140:pokev+8,252:pokev+9,108:pokev+10,252:pokev+11,76
- 1020 pokev+12,212:pokev+13,76:pokev+14,212:pokev+15,108:pokev+16,7:pokev+21,255
- 1030 return
- 10000 d=peek(186):n$="king puzzle":open15,d,15,"s0:"+n$:close15:saven$,d:end
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