1 REM SAVE"0:BIT SUPEROSE.C",8
2 REM ELIZABETH DEAL, BASED ON THE OLD
3 REM PET SUPEROSE IN MICRO MAG
4 REM USES FRANK COVITZ'S ROUTINES
5 POKE55,0:POKE56,96:POKE51,0:POKE52,96
120 BA=6*16^3:REM BASE ADDRESS
130 IN=BA:RS=BA+3:CL=BA+6
140 DR=BA+9:PX=BA+12:MV=BA+15
145 IFPEEK(BA)*PEEK(BA+1)*PEEK(BA+2)<>76*148*98THENLOAD"0:-VMSUPP.6000.D",8,1
150 GOTO2000
155 REM----------
1010 WX=319:WY=199:HX=319/2:HY=199/2
1020 Z=99:K=1.25:SC=1024:FF=255
1030 SYSIN:SYSMV,HX,HY
1040 SN=2*(null)/SS
1050 FORTH=0TO2*(null)STEPSN:R=Z*SIN(TH*T)
1060 IFR>HYGOTO1121
1070 X=K*R*COS(SX*TH)+HX
1080 Y=R*SIN(SY*TH)+HY
1100 SYSVV,X,Y:POKESC,FF-PEEK(SC)
1120 GETI$:IFI$<>"Q"THENNEXTTH
1121 POKESC,11
1122 GETI$:IFI$=""GOTO1122
1130 SYS(RS)
1131 PRINT"[147]INPUTS WERE:":PRINT" SX"," SY"," DEN"," T":PRINTSX,SY,SS/180,T
1134 RETURN
1140 REM----------
2000 PRINT"THIS IS FOR EXPERIMENTS...INPUTS AREN'T CHECKED...RERUN ON ERRORS"
2001 PRINT"SQUARE FLASHES WHEN COMPUTER DRAWS. IT
2002 [153]"OFTEN RETRACES LINES.
2003 PRINT"USE Q TWICE TO QUIT AT ANY TIME"
2004 INPUT"SX             8[157][157][157]";I$:SX=VAL(I$):IFSX<1GOTO2004
2005 INPUT"SY             2[157][157][157]";I$:SY=VAL(I$):IFSX<1GOTO2005
2010 INPUT"DENS SS 1-8    2[157][157][157]";I$:SS=VAL(I$):SS=SS*180:IFSS=OGOTO2010
2020 INPUT"T              4[157][157][157]";I$:T=VAL(I$):IFT<1GOTO2020
2021 INPUT"L[146]INES P[146]IXELS   L[157][157][157]";I$
2022 VV=DR:IV=ASC(I$):VV=DR-3*(IV=80)
2030 GOSUB1010 
2040 INPUT"MORE   Y[157][157][157]";M$
2050 IFM$="Y"GOTO2000
2051 REM----------