QRL

    1 REM QRL by Jack Dohany
    2 REM (415)367-7781
    3 REM 10-86
    4 CLEAR VAL "30399"
    5 REM cassette version
    6 DIM E$(VAL "20"): LET C1=VAL "0": LET C2=VAL "7"
   10 LET STB=VAL "30400": LET BTS=STB+VAL "3": LET ECD=STB+VAL "6": LET DCD=STB+VAL "9": LET CPF=STB+VAL "12": LET INV=STB+VAL "15": LET TLN=STB+VAL "18":: LET WIP=STB+VAL "21": LET LAD=STB+VAL "26"
   20 LET menu=VAL "1": LET MV=VAL "11"
   30 BORDER C1: PAPER C1: INK C2 
   35 RANDOMIZE USR BTS
   40 LET L=USR TLN: IF NOT menu THEN GO TO VAL "100"
   50 GO SUB VAL "500"
  100 LET RET=VAL "110": GO TO VAL "400"
  110 IF K$="M" OR K$=CHR$ VAL "13" THEN LET MENU=NOT MENU: GO TO VAL "35"
  120 IF K$="L" THEN LET C$=" LOAD ": GO TO VAL "200"
  125 IF K$="Q" THEN CLEAR VAL "65368": PRINT AT VAL "21",VAL "10";" OK TO RUN ": STOP 
  130 IF K$="S" THEN LET C$=" SAVE ": GO TO VAL "300"
  135 IF K$="C" THEN RANDOMIZE USR BTS: RANDOMIZE USR CPF: GO TO VAL "40"
  140 IF K$="I" THEN RANDOMIZE USR INV: GO TO VAL "35"
  145 IF K$="E" THEN GO TO VAL "260"
  150 IF K$="D" THEN GO TO VAL "270"
  155 IF k$="W" THEN GO TO VAL "700"
  160 GO TO VAL "100"
  190 FOR I=VAL "0" TO VAL "300": NEXT I: BEEP VAL ".01",VAL "25": RETURN 
  200 INPUT "LOAD FILE OR SCREEN? "; LINE K$: LET RET=VAL "201": GO TO VAL "420"
  201 IF k$="F" THEN LET W$=" RLE FILE ": GO TO VAL "220"
  202 IF k$="S" THEN LET W$=" SCREEN ": GO TO VAL "240"
  203 GO TO VAL "35"
  220 GO SUB VAL "290"
  222 LOAD n$CODE 37000: RUN 
  240 GO SUB VAL "290"
  242 CLS : LOAD n$CODE VAL "16384"
  250 RANDOMIZE USR STB: RUN 
  260 PRINT FLASH 1;AT mv+VAL "7",VAL "1";" Allow 10 seconds "
  261 FOR i=VAL "0" TO VAL "250": NEXT i
  265 RANDOMIZE USR BTS: RANDOMIZE USR ECD: RUN 
  270 CLS : LET GOOD=USR DCD
  271 IF NOT GOOD THEN GO TO VAL "280"
  272 RANDOMIZE USR STB: RUN 
  280 PRINT FLASH VAL "1";AT mv+VAL "7",VAL "1";" INVALID RLE FILE ": FOR i=VAL "0" TO VAL "250": NEXT i: RUN 
  290 INPUT ("";C$;" ";W$;'"Filename: ");N$: IF LEN n$>VAL "10" THEN GO TO VAL "290"
  291 RETURN 
  300 INPUT "SAVE FILE, SCREEN or PROG? "; LINE K$: LET ret=VAL "301": GO TO VAL "420"
  301 IF K$="F" THEN LET W$=" RLE FILE ": GO TO VAL "320"
  302 IF K$="S" THEN LET W$=" SCREEN ": GO TO VAL "340"
  303 IF K$="P" THEN LET W$=" PROGRAM ": GO TO VAL "360"
  304 RUN 
  320 IF NOT L THEN GO TO VAL "280"
  322 GO SUB VAL "290": IF n$="" THEN RUN 
  324 SAVE N$CODE 37000,L: GO TO VAL "380"
  340 GO SUB VAL "290": IF n$="" THEN RUN 
  350 RANDOMIZE USR BTS: SAVE n$CODE VAL "30800",VAL "6144": GO TO VAL "380"
  360 GO SUB VAL "290": IF n$="" THEN RUN 
  364 SAVE N$ LINE VAL "900": BEEP VAL ".01",VAL "10": SAVE N$CODE VAL "30400",VAL "400"
  380 CLS : PRINT AT VAL "20",VAL "0";"VERIFY (Y/N) "; FLASH VAL "1";"?"
  381 IF INKEY$="" THEN GO TO VAL "381"
  382 IF INKEY$="y" OR INKEY$="Y" THEN GO TO VAL "390"
  383 IF INKEY$="n" OR INKEY$="N" THEN RUN 
  384 GO TO VAL "381"
  390 CLS : PRINT AT VAL "20",VAL "0";"REWIND/PLAY TO VERIFY ";N$
  392 IF K$="P" THEN VERIFY N$
  394 VERIFY N$CODE : RUN 
  400 LET K$=INKEY$: IF K$="" THEN GO TO VAL "400"
  405 BEEP VAL ".01",VAL "20"
  410 IF K$=INKEY$ THEN GO TO VAL "410"
  420 IF K$>"Z" THEN LET K$=CHR$ (CODE K$-VAL "32")
  430 GO TO RET
  500 PAPER C2: INK C1: PRINT AT MV,VAL "0";E$'" MENU  DECODE  COPY "'E$'" LOAD  ENCODE  WIPE "'E$'" SAVE  INVERT  QUIT "'E$'"     rle file:";L;TAB VAL "20"'E$'
  505 PLOT VAL "3",VAL "171"-MV*VAL "8": DRAW VAL "152",VAL "0": DRAW VAL "0",-VAL "64": DRAW -VAL "152",VAL "0": DRAW VAL "0",VAL "64"
  510 PAPER C1: INK C2: RETURN 
  700 INPUT "Wipe lines (1-192): "; LINE q$: IF q$="" THEN RUN 
  704 FOR i=VAL "1" TO LEN q$: IF q$(i)<"0" OR q$(i)>"9" THEN RUN 
  706 NEXT I: LET X=VAL Q$: IF X<VAL "1" OR X>VAL "192" THEN RUN 
  710 RANDOMIZE USR BTS: FOR B=VAL "2" TO VAL "0" STEP -VAL "1": FOR R=VAL "7" TO VAL "0" STEP -VAL "1": FOR S=VAL "7" TO VAL "0" STEP -VAL "1": LET A=VAL "16384"+(B*VAL "2048")+(S*VAL "256")+(R*VAL "32")
  720 POKE LAD+VAL "1",INT (A/VAL "256"): POKE LAD,A-VAL "256"*PEEK (LAD+VAL "1"): RANDOMIZE USR WIP
  730 LET X=X-VAL "1": IF X=VAL "0" THEN RANDOMIZE USR STB: GO TO VAL "40"
  740 NEXT S: NEXT R: NEXT B: RUN 
  900 LOAD N$CODE 
  910 RANDOMIZE USR VAL "30741": REM clear buffers
  920 RUN