Home » Personal collection » Commodore disks » disk50a2_progs1.d64 » solar system
solar system
This website contains an archive of files for the Acorn Electron, BBC Micro, Acorn Archimedes, Commodore 16 and Commodore 64 computers, which Dominic Ford has rescued from his private collection of floppy disks and cassettes.
Some of these files were originally commercial releases in the 1980s and 1990s, but they are now widely available online. I assume that copyright over them is no longer being asserted. If you own the copyright and would like files to be removed, please contact me.
Tape/disk: | Home » Personal collection » Commodore disks » disk50a2_progs1.d64 |
Filename: | solar system |
Read OK: | ✔ |
File size: | 0323 bytes |
Load address: | 0801 |
Exec address: | 0000 |
File contents
10 REM SOLAR SYSTEM SIMULATOR 20 : 30 READ N:T=0 40 DIM P$(N),X(N),Y(N),R(N),M(N),YR(N),V(N),D(N) 50 FOR P=1 TO N 60 READ P$(P),D(P),R(P),M(P),YR(P) 70 V(P)=0 80 NEXT 90 : 100 GOSUB 1100 110 GOSUB 1000 120 GOTO 100 990 : 1000 REM DISPLAY PLANETS 1010 PRINT"<clr>" 1020 FOR P=1 TO N 1030 POKE 1524+INT(X(P)/300)+40*INT(Y(P)/500),81 1040 NEXT:RETURN 1050 : 1100 REM MOVEMENT 1110 T=T+10 1120 FOR P=1 TO N 1130 X(P)=D(P)*SIN((π*T/YR(P))/180) 1140 Y(P)=D(P)*COS((π*T/YR(P))/180) 1150 NEXT:RETURN 1990 : 2000 REM GRAVITATIONAL DATA 2005 : 2010 DATA 10 2015 : 2020 REM NAME,DISTANCE,RADIUS,MASS,YEAR 2025 : 2030 DATA "MERCURY",58,0.4,0.06,0.2 2040 DATA "VENUS",108,0.95,0.8,0.6 2050 DATA "EARTH",150,1,1,1 2060 DATA "MARS",228,0.5,0.1,1.9 2070 DATA "JUPITER",778,11,320,12 2080 DATA "SATURN",1427,9,95,30 2090 DATA "URANUS",2870,4,15,84 2100 DATA "NEPTUNE",4497,4,17,165 2110 DATA "PLUTO",5900,0.2,0.002,248 2120 DATA "SUN",0,110,335,1
� SOLAR SYSTEM SIMULATOR $ : 0 � N:T�0 `( � P$(N),X(N),Y(N),R(N),M(N),YR(N),V(N),D(N) n2 � P�1 � N �<