2230 ON X GOSUB 2080,1830,1500,1980,2100,2060,2120,2020,2040,2020,2040,2060,2120,2080
2240 NEXT C
2250 RETURN
2260 REM NEW EXPLO
2270 HPLOT E,F TO E +2,F -2: HPLOT E,F TO E -2,F -2: HPLOT E -2,F
2280 HPLOT E +1,F TO E +5,F -4: HPLOT E -1,F TO E -5,F -4: HPLOT E +1,F -2: HPLOT E +2,F -4: HPLOT E -1,F -2: HPLOT E -2,F -4: HPLOT E +3,F -6: HPLOT E -3,F -6: HPLOT E,F -3 TO E,F -7: RETURN
2290 HPLOT E +2,F -1 TO E +3,F -2: HPLOT E -2,F -1 TO E -3,F -2: HPLOT E +5,F -4: HPLOT E -5,F -4: HPLOT E -7,F -5: HPLOT E +7,F -6: HPLOT E -1,F -6: HPLOT E +1,F -7: RETURN
2300 HPLOT E +1,F -2: HPLOT E -1,F -2: HPLOT E +2,F -5: HPLOT E -2,F -5: HPLOT E +3,F -7: HPLOT E -3,F -7: HPLOT E +5,F -9: HPLOT E -4,F -9: HPLOT E +2,F -8: HPLOT E -1,F -8
2310 HPLOT E +1,F: HPLOT E -1,F -1: HPLOT E +3,F -2: HPLOT E -3,F -2: HPLOT E +5,F -4: HPLOT E -5,F -4: HPLOT E +7,F -6: HPLOT E -7,F -5: HPLOT E +9,F -7: HPLOT E -9,F -6
2320 HPLOT E +1,F -9: HPLOT E -1,F -10: HPLOT E +3,F -9: HPLOT E -2,F -9: HPLOT E +5,F -11: HPLOT E -6,F -11: HPLOT E +8,F -12: HPLOT E -8,F -12: RETURN
2330 HPLOT E,F TO E,F -3: HPLOT E +2,F -5: HPLOT E -2,F -5: HPLOT E +4,F -7: HPLOT E -4,F -8: HPLOT E +6,F -10: HPLOT E -5,F -10: HPLOT E +9,F -12: HPLOT E -7,F -12
2340 HPLOT E +4,F -3: HPLOT E -4,F -3: HPLOT E +7,F -6: HPLOT E -7,F -5: HPLOT E +10,F -8: HPLOT E -9,F -6: HPLOT E -11,F -7: HPLOT E +12,F -13: HPLOT E -10,F -13
2350 HPLOT E +3,F -12: HPLOT E -2,F -12: HPLOT E +5,F -14: HPLOT E -3,F -14: HPLOT E +7,F -15: HPLOT E -5,F -15: HPLOT E -14,F -8: HPLOT E -13,F -14: HPLOT E -7,F -16: HPLOT E,F -13
2360 HPLOT E,F -17: HPLOT E +10,F -16: HPLOT E +14,F -14: HPLOT E -14,F -9: RETURN
2370 HPLOT E -10,F -6: HPLOT E -10,F -11: HPLOT E +14,F -12: HPLOT E +10,F -6: HPLOT E -17,F -7: HPLOT E -15,F -14: HPLOT E -10,F -17: HPLOT E -2,F -19: HPLOT E +2,F -15
2380 HPLOT E +13,F -17: HPLOT E +19,F -14: HPLOT E +18,F -9: HPLOT E -19,F -6: HPLOT E -19,F -12: HPLOT E -12,F -17: HPLOT E -3,F -22: HPLOT E +3,F -18: HPLOT E +17,F -17: HPLOT E +22,F -15: RETURN
2390 HPLOT E -20,F -4: HPLOT E -20,F -10: HPLOT E +5,F -21: HPLOT E +20,F -16: HPLOT E +24,F -12: HPLOT E +23,F -6: RETURN
2400 RETURN
2410 REM DISPLAY ELIM
2420 IF CL = 1 THEN RETURN
2430 CL = 1
2440 E = 163:F = 67
2450 HCOLOR= 5
2460 HPLOT E -7,F +4 TO E -8,F +4 TO E -7,F +5 TO E -7,F +3 TO E -3,F +3 TO E -1,F +2 TO E -6,F +2
2470 HPLOT E -6,F +2 TO E -2,F -2 TO E -3,F -3 TO E -4,F +1 TO E +1,F +1 TO E,F TO E +12,F
2480 HPLOT E +12,F TO E +13,F +2 TO E +13,F TO E +12,F -2 TO E +15,F -4 TO E +12,F -1 TO E +1,F -1 TO E +2,F -4 TO E +5,F -5 TO E +2,F -2 TO E +10,F -2 TO E +8,F -4 TO E +9,F -5 TO E +9,F -7 TO E +8,F -3
2490 FOR TM = 1 TO 6
2500 HCOLOR= 5
2510 FOR F2 = 1 TO 2
2520 HPLOT E -5,F -4 TO E -7,F -4 TO E -5,F -3 TO E -6,F -5 TO E -5,F -6 TO E -6,F -8
2530 HPLOT E +11,F -2 TO E +12,F -3 TO E +10,F -3 TO E +9,F -4 TO E +13,F -4 TO E +14,F -5 TO E +10,F -5 TO E +11,F -6 TO E +14,F -6 TO E +14,F -7 TO E +16,F -10 TO E +12,F -7
2540 HCOLOR= 0: NEXT F2
2550 HCOLOR= 5
2560 FOR F2 = 1 TO 2
2570 HPLOT E +1,F -5 TO E -1,F -5 TO E -1,F -6 TO E +2,F -6 TO E +2,F -7 TO E -1,F -7 TO E +3,F -11 TO E +3,F -12 TO E +1,F -8
2580 HPLOT E +9,F -6 TO E +6,F -6 TO E +6,F -7 TO E +10,F -7 TO E +11,F -8 TO E +5,F -8 TO E +9,F -12 TO E +9,F -13 TO E +7,F -9 TO E +11,F -9 TO E +12,F -11 TO E +14,F -13 TO E +11,F -11
2590 HCOLOR= 0
2600 NEXT F2
2610 HCOLOR= 5
2620 FOR F2 = 1 TO 2
2630 HPLOT E +5,F -9 TO E +4,F -9 TO E +3,F -10 TO E +6,F -10 TO E +7,F -11 TO E +3,F -11 TO E +4,F -12 TO E +6,F -12 TO E +6,F -15 TO E +7,F -17 TO E +7,F -14 TO E +5,F -13
2640 HCOLOR= 0
2650 NEXT F2
2660 NEXT TM
2670 RETURN
2680 CALL -936
2690 GO = 1
2700 IF CL = 1 AND TU = 4 THEN RO = 7
2710 CL = 0
2720 IF SF = 1 THEN GO = 3
2730 IF VF = 1 THEN GO = 6
2740 IF TU = 4 AND OP = 6 THEN GO = 8
2750 IF AUX = 1 AND RR = 1 THEN PRINT D$;"CHAIN /RAM/RET"