basic: fix: would crap out when 'REM' is not a first statement of a line

assets/basic.js

@@ -690,7 +690,7 @@ if no arg text were given (e.g. "10 NEXT"), args will have zero length
     });
 },
 "DIM" : function(lnum, stmtnum, args) {
-    return varArgNum(lnum, args, (revdims) => {
+    return varArgNum(lnum, stmtnum, args, (revdims) => {
         let dims = revdims.reverse();
         let arraydec = "Array(dims[0]).fill(0)";
         for (let k = 1; k < dims.length; k++) {
@@ -1835,6 +1835,14 @@ bF._parseStmt = function(lnum, tokens, states, recDepth) {
 
     /*************************************************************************/
 
+    // case for: single word (e.g. NEXT for FOR loop)
+    if (tokens.length == 1 && states.length == 1) {
+        bF.parserPrintdbgline('$', "Single Word Function Call", lnum, recDepth);
+        return bF._parseLit(lnum, tokens, states, recDepth + 1, true);
+    }
+
+    /*************************************************************************/
+
     let headTkn = tokens[0].toUpperCase();
     let headSta = states[0];
 
@@ -1843,11 +1851,8 @@ bF._parseStmt = function(lnum, tokens, states, recDepth) {
 
     /*************************************************************************/
 
-    // case for: single word (e.g. NEXT for FOR loop)
+    // case for: "REM" , ? anything ?
-    if (tokens.length == 1 && states.length == 1) {
+    if (headTkn == "REM" && headSta != "qot") return;
-        bF.parserPrintdbgline('$', "Single Word Function Call", lnum, recDepth);
-        return bF._parseLit(lnum, tokens, states, recDepth + 1, true);
-    }
 
     /*************************************************************************/
 
@@ -2773,11 +2778,13 @@ bF.run = function(args) { // RUN function
         let trees = bF._interpretLine(linenum, linestr.trim());
         programTrees[linenum] = trees
         // do prescan job (data, label, etc)
-        trees.forEach((t, i) => {
+        if (trees !== undefined) {
-            if (bF.prescanStmts.includes(t.astValue)) {
+            trees.forEach((t, i) => {
-                bF._executeAndGet(linenum, i, t);
+                if (t !== undefined && bF.prescanStmts.includes(t.astValue)) {
-            }
+                    bF._executeAndGet(linenum, i, t);
-        })
+                }
+            })
+        }
     });
 
     // actually execute the program

assets/blackjack.bas

@@ -1,35 +1,29 @@
 1 OPTIONBASE 1
 2 PRINT SPC(31);"BLACK JACK"
 4 PRINT SPC(15);"CREATIVE COMPUTING  MORRISTOWN, NEW JERSEY"
-6 PRINT
+6 PRINT:PRINT:PRINT
-7 PRINT
+10 DEFUN TRUNCATEHAND(Q)=Q+11*(Q>=22)
-8 PRINT
+20 HANDCARDS=DIM(15,12):HANDTOTAL=DIM(15):DECK=DIM(52):DISCARD=DIM(52):PTOTAL=DIM(8):THISHNDFOR=DIM(7):BETS=DIM(15)
-20 HANDS=DIM(15,12)
+30 CARDLEN=DIM(15)
-21 HANDTOTAL=DIM(15)
+31 ZARR=DIM(10)
-22 DECK=DIM(52)
+40 REM--HANDCARDS(I,J) IS THE JTH CARD IN HAND I, HANDTOTAL(I) IS TOTAL OF HAND I
-23 DISCARDECK=DIM(52)
+50 REM--DECK IS THE DECK BEING DEALT FROM, DISCARD IS THE DISCARD PILE,
-24 PLRSUM=DIM(8)
+60 REM--PTOTAL(I) IS THE TOTAL FOR PLAYER I, THISHNDFOR(I) IS THE TOTAL THIS HAND FOR
-25 PLRHNDSUM=DIM(7)
-26 BETS=DIM(15)
-30 HANDSLENS=DIM(15)
-40 REM--HANDS(I,J) IS THE JTH CARD IN HAND I, HANDTOTAL(I) IS TOTAL OF HAND I
-50 REM--C IS THE DECK BEING DEALT FROM, D IS THE DISCARD PILE,
-60 REM--PLRSUM(I) IS THE TOTAL FOR PLAYER I, PLRHNDSUM(I) IS THE TOTAL THIS HAND FOR
 70 REM--PLAYER I, BETS(I) IS TH BET FOR HAND I
-80 REM--HANDSLENS(I) IS THE LENGTH OF HANDS(I,*)
+80 REM--CARDLEN(I) IS THE LENGTH OF HANDCARDS(I,*)
 90 GOTO 1500
 100 REM--SUBROUTINE TO GET A CARD.  RESULT IS PUT IN X.
 110 IF C<51 THEN GOTO 230
 120 PRINT "RESHUFFLING"
 130 FOR D=D TO 1 STEP -1
-140   C=C-1
+140 C=C-1
-150   DECK(C)=DISCARDECK(D)
+150 DECK(C)=DISCARD(D)
 160 NEXT
 170 FOR C1=52 TO C STEP -1
-180   C2=INT(RND(1)*(C1-C+1))+C
+180 C2=INT(RND(1)*(C1-C+1))+C
-190   C3=DECK(C2)
+190 C3=DECK(C2)
-200   DECK(C2)=DECK(C1)
+200 DECK(C2)=DECK(C1)
-210   DECK(C1)=C3
+210 DECK(C1)=C3
 220 NEXT
 230 X=DECK(C)
 240 C=C+1
@@ -41,16 +35,14 @@
 340 REM-- 22-32...HARD 11-21
 350 REM--  33+....BUSTED
 360 Q=0
-370 FOR Q2=1 TO HANDSLENS(I)
+370 FOR Q2=1 TO CARDLEN(I)
-380   X=HANDS(I,Q2)
+380 X=HANDCARDS(I,Q2)
-390   GOSUB 500
+390 GOSUB 500
 400 NEXT
 410 HANDTOTAL(I)=Q
 420 RETURN
 500 REM--SUBROUTINE TO ADD CARD X TO TOTAL Q.
-510 X1=X
+510 X1=X: IF X1>10 THEN X1=10:  REM  SAME AS X1=10 MIN X
-511 IF X1>10 THEN X1=10
-512 REM  SAME AS X1=10 MIN X
 520 Q1=Q+X1
 530 IF Q>=11 THEN GOTO 590
 540 IF X>1 THEN GOTO 570
@@ -76,12 +68,10 @@
 820 H1=5
 830 GOSUB 1410
 840 H1=3
-850 REM --ON H GOTO 950,930--
+850 ON H GOTO 950,930
-851 IF H==1 THEN GOTO 950
-852 IF H==2 THEN GOTO 930
 860 GOSUB 100
 870 BETS(I)=BETS(I)*2
-880 PRINT "RECEIVED";
+880 PRINT "RECEIVED A";
 890 GOSUB 700
 900 GOSUB 1100
 910 IF Q>0 THEN GOSUB 1300
@@ -89,15 +79,15 @@
 930 GOSUB 1320
 940 RETURN
 950 GOSUB 100
-960 PRINT "RECEIVED";
+960 PRINT "RECEIVED A";
 970 GOSUB 700
 980 GOSUB 1100
 990 IF Q<0 THEN GOTO 940
 1000 PRINT "HIT";
 1010 GOTO 830
 1100 REM--SUBROUTINE TO ADD A CARD TO ROW I
-1110 HANDSLENS(I)=HANDSLENS(I)+1
+1110 CARDLEN(I)=CARDLEN(I)+1
-1120 HANDS(I,HANDSLENS(I))=X
+1120 HANDCARDS(I,CARDLEN(I))=X
 1130 Q=HANDTOTAL(I)
 1140 GOSUB 500
 1150 HANDTOTAL(I)=Q
@@ -106,24 +96,22 @@
 1180 GOSUB 1200
 1190 RETURN
 1200 REM--SUBROUTINE TO DISCARD ROW I
-1210 IF HANDSLENS(I)<>0 THEN GOTO 1230
+1210 IF CARDLEN(I)<>0 THEN GOTO 1230
 1220 RETURN
 1230 D=D+1
-1240 DISCARDECK(D)=HANDS(I,HANDSLENS(I))
+1240 DISCARD(D)=HANDCARDS(I,CARDLEN(I))
-1250 HANDSLENS(I)=HANDSLENS(I)-1
+1250 CARDLEN(I)=CARDLEN(I)-1
 1260 GOTO 1210
 1300 REM--PRINTS TOTAL OF HAND I
 1310 PRINT
-1320 AA=HANDTOTAL(I)
+1320 AA=TRUNCATEHAND(HANDTOTAL(I))
-1321 GOSUB 3400
+1325 PRINT "TOTAL IS";AA
-1325 PRINT "TOTAL IS ";AA
 1330 RETURN
 1400 REM--SUBROUTINE TO READ REPLY
 1410 REM  ISTR DEFINED ELSEWHERE
-1420 INPUT HSTR
+1420 INPUT HSTR: HSTR=LEFT(HSTR,1)
-1421 HSTR=LEFT(HSTR,1)
 1430 FOR H=1 TO H1 STEP 2
-1440   IF HSTR==MID(ISTR,H,1) THEN BREAKTO 1480
+1440 IF HSTR==MID(ISTR,H,1) THEN GOTO 1480
 1450 NEXT
 1460 PRINT "TYPE ";MID(ISTR,1,H1-1);" OR ";MID(ISTR,H1,2);" PLEASE";
 1470 GOTO 1420
@@ -131,12 +119,12 @@
 1490 RETURN
 1500 REM--PROGRAM STARTS HERE
 1510 REM--INITIALIZE
-1520 DSTR="  A  2  3  4  5  6  7  8  9 10  J  Q  K"
+1520 DSTR="N A  2  3  4  5  6  7N 8  9 10  J  Q  K"
 1530 ISTR="H,S,D,/,"
 1540 FOR I=1 TO 13
-1550   FOR J=4*I-3 TO 4*I
+1550 FOR J=4*I-3 TO 4*I
-1560     DISCARDECK(J)=I
+1560 DISCARD(J)=I
-1570   NEXT
+1570 NEXT
 1580 NEXT
 1590 D=52
 1600 C=53
@@ -157,218 +145,176 @@
 1750 PRINT "BLACKJACK, THE INITIAL RESPONSE SHOULD BE 'S'."
 1760 PRINT "NUMBER OF PLAYERS";
 1770 INPUT N
-1771 ZARR=DIM(N)
 1775 PRINT
 1780 IF N<1 OR N>7 OR N>INT(N) THEN GOTO 1760
-1790 FOR I=1 TO 8
+1790 FOR I=1 TO 8: PTOTAL(I)=0: NEXT
-1791   PLRSUM(I)=0
-1792 NEXT
 1800 D1=N+1
 1810 IF 2*D1+C>=52 THEN GOSUB 120
 1820 IF C==2 THEN C=C-1
-1830 FOR I=1 TO N
+1830 FOR I=1 TO N: ZARR(I)=0: NEXT
-1831   ZARR(I)=0
+1840 FOR I=1 TO 15: BETS(I)=0: NEXT
-1832 NEXT
+1850 FOR I=1 TO 15: HANDTOTAL(I)=0: NEXT
-1840 FOR I=1 TO 15
+1860 FOR I=1 TO 7: THISHNDFOR(I)=0: NEXT
-1841   BETS(I)=0
+1870 FOR I=1 TO 15: CARDLEN(I)=0: NEXT
-1842 NEXT
-1850 FOR I=1 TO 15
-1851   HANDTOTAL(I)=0
-1852 NEXT
-1860 FOR I=1 TO 7
-1861   PLRHNDSUM(I)=0
-1862 NEXT
-1870 FOR I=1 TO 15
-1871   HANDSLENS(I)=0
-1872 NEXT
 1880 PRINT "BETS:"
-1890 FOR I=1 TO N
+1890 FOR I=1 TO N: PRINT "#";I;: INPUT ZARR(I): NEXT
-1891   PRINT "# ";I;
-1892   INPUT ZARR(I)
-1893 NEXT
 1900 FOR I=1 TO N
-1910   IF ZARR(I)<=0 OR ZARR(I)>500 THEN BREAKTO 1880
+1910 IF ZARR(I)<=0 OR ZARR(I)>500 THEN GOTO 1880
-1920   BETS(I)=ZARR(I)
+1920 BETS(I)=ZARR(I)
 1930 NEXT
-1940 PRINT "PLAYER ";
+1940 PRINT "PLAYER";
 1950 FOR I=1 TO N
-1960   PRINT I;"   ";
+1960 PRINT I;"   ";
 1970 NEXT
 1980 PRINT "DEALER"
 1990 FOR J=1 TO 2
-2000   PRINT SPC(5);
+2000 PRINT SPC(5);
-2010   FOR I=1 TO D1
+2010 FOR I=1 TO D1
-2020     GOSUB 100
+2020 GOSUB 100
-2030     HANDS(I,J)=X
+2030 HANDCARDS(I,J)=X
-2040     IF J==1 OR I<=N THEN GOSUB 750
+2040 IF J==1 OR I<=N THEN GOSUB 750
-2050   NEXT
+2050 NEXT
-2060   PRINT
+2060 PRINT
 2070 NEXT
 2080 FOR I=1 TO D1
-2090   HANDSLENS(I)=2
+2090 CARDLEN(I)=2
 2100 NEXT
 2110 REM--TEST FOR INSURANCE
-2120 IF HANDS(D1,1)>1 THEN GOTO 2240
+2120 IF HANDCARDS(D1,1)>1 THEN GOTO 2240
 2130 PRINT "ANY INSURANCE";
 2140 INPUT HSTR
 2150 IF LEFT(HSTR,1)<>"Y" THEN GOTO 2240
 2160 PRINT "INSURANCE BETS"
-2170 FOR I=1 TO N
+2170 FOR I=1 TO N: PRINT "#";I;: INPUT ZARR(I): NEXT
-2171   PRINT "# ";I;
-2172   INPUT ZARR(I)
-2173 NEXT
 2180 FOR I=1 TO N
-2190   IF ZARR(I)<0 OR ZARR(I)>BETS(I)/2 THEN BREAKTO 2160
+2190 IF ZARR(I)<0 OR ZARR(I)>BETS(I)/2 THEN GOTO 2160
 2200 NEXT
 2210 FOR I=1 TO N
-2220   PLRHNDSUM(I)=ZARR(I)*(3*(-(HANDS(D1,2)>=10))-1)
+2220 THISHNDFOR(I)=ZARR(I)*(3*(-(HANDCARDS(D1,2)>=10))-1)
 2230 NEXT
 2240 REM--TEST FOR DEALER BLACKJACK
-2250 L1=1
+2250 L1=1: L2=1
-2251 L2=1
+2252 IF HANDCARDS(D1,1)==1 AND HANDCARDS(D1,2)>9 THEN L1=0: L2=0
-2252 IF HANDS(D1,1)==1 AND HANDS(D1,2)>9 THEN L1=0
+2253 IF HANDCARDS(D1,2)==1 AND HANDCARDS(D1,1)>9 THEN L1=0: L2=0
-2253 L2=0
+2254 IF L1<>0 OR L2<>0 THEN GOTO 2320
-2254 IF HANDS(D1,2)==1 AND HANDS(D1,1)>9 THEN L1=0
+2260 PRINT:PRINT "DEALER HAS A";MID(DSTR,3*HANDCARDS(D1,2)-2,3);" IN THE HOLE ";
-2255 L2=0
-2256 IF L1<>0 OR L2<>0 THEN GOTO 2320
-2260 PRINT
-2261 PRINT "DEALER HAS";MID(DSTR,3*HANDS(D1,2)-2,3);" IN THE HOLE ";
 2270 PRINT "FOR BLACKJACK"
 2280 FOR I=1 TO D1
-2290   GOSUB 300
+2290 GOSUB 300
 2300 NEXT
 2310 GOTO 3140
 2320 REM--NO DEALER BLACKJACK
-2330 IF HANDS(D1,1)>1 AND HANDS(D1,1)<10 THEN GOTO 2350
+2330 IF HANDCARDS(D1,1)>1 AND HANDCARDS(D1,1)<10 THEN GOTO 2350
-2340 PRINT
+2340 PRINT:PRINT "NO DEALER BLACKJACK."
-2341 PRINT "NO DEALER BLACKJACK."
 2350 REM--NOW PLAY THE HANDS
 2360 FOR I=1 TO N
-2370   PRINT "PLAYER ";I;
+2370 PRINT "PLAYER";I;
-2380   H1=7
+2380 H1=7
-2390   GOSUB 1410
+2390 GOSUB 1410
-2400   REM--ON H GOTO 2550,2410,2510,2600--
+2400 ON H GOTO 2550,2410,2510,2600
-2401   IF H==1 THEN GOTO 2550
+2410 REM--PLAYER WANTS TO STAND
-2402   IF H==2 THEN GOTO 2410
+2420 GOSUB 300
-2403   IF H==3 THEN GOTO 2510
+2430 IF HANDTOTAL(I)<>21 THEN GOTO 2490
-2404   IF H==4 THEN GOTO 2600
+2440 PRINT "BLACKJACK"
-2410   REM--PLAYER WANTS TO STAND
+2450 THISHNDFOR(I)=THISHNDFOR(I)+1.5*BETS(I)
-2420   GOSUB 300
+2460 BETS(I)=0
-2430   IF HANDTOTAL(I)<>21 THEN GOTO 2490
+2470 GOSUB 1200
-2440   PRINT "BLACKJACK"
+2480 GOTO 2900
-2450   PLRHNDSUM(I)=PLRHNDSUM(I)+1.5*BETS(I)
+2490 GOSUB 1320
-2460   BETS(I)=0
+2500 GOTO 2900
-2470   GOSUB 1200
+2510 REM--PLAYER WANTS TO DOUBLE DOWN
-2480   GOTO 2900
+2520 GOSUB 300
-2490   GOSUB 1320
+2530 GOSUB 860
-2500   GOTO 2900
+2540 GOTO 2900
-2510   REM--PLAYER WANTS TO DOUBLE DOWN
+2550 REM--PLAYER WANTS TO BE HIT
-2520   GOSUB 300
+2560 GOSUB 300
-2530   GOSUB 860
+2570 H1=3
-2540   GOTO 2900
+2580 GOSUB 950
-2550   REM--PLAYER WANTS TO BE HIT
+2590 GOTO 2900
-2560   GOSUB 300
+2600 REM--PLAYER WANTS TO SPLIT
-2570   H1=3
+2610 L1=HANDCARDS(I,1): IF HANDCARDS(I,1)>10 THEN L1=10
-2580   GOSUB 950
+2612 L2=HANDCARDS(I,2): IF HANDCARDS(I,2)>10 THEN L2=10
-2590   GOTO 2900
+2614 IF L1==L2 THEN GOTO 2640
-2600   REM--PLAYER WANTS TO SPLIT
+2620 PRINT "SPLITTING NOT ALLOWED."
-2610   L1=HANDS(I,1)
+2630 GOTO 2370
-2611   IF HANDS(I,1)>10 THEN L1=10
+2640 REM--PLAY OUT SPLIT
-2612   L2=HANDS(I,2)
+2650 I1=I+D1
-2613   IF HANDS(I,2)>10 THEN L2=10
+2660 CARDLEN(I1)=2
-2614   IF L1==L2 THEN GOTO 2640
+2670 HANDCARDS(I1,1)=HANDCARDS(I,2)
-2620   PRINT "SPLITTING NOT ALLOWED."
+2680 BETS(I+D1)=BETS(I)
-2630   GOTO 2370
+2690 GOSUB 100
-2640   REM--PLAY OUT SPLIT
+2700 PRINT "FIRST HAND RECEIVES A";
-2650   I1=I+D1
+2710 GOSUB 700
-2660   HANDSLENS(I1)=2
+2720 HANDCARDS(I,2)=X
-2670   HANDS(I1,1)=HANDS(I,2)
+2730 GOSUB 300
-2680   BETS(I+D1)=BETS(I)
+2740 PRINT
-2690   GOSUB 100
+2750 GOSUB 100
-2700   PRINT "FIRST HAND RECEIVES A";
+2760 PRINT "SECOND HAND RECEIVES A";
-2710   GOSUB 700
+2770 I=I1
-2720   HANDS(I,2)=X
+2780 GOSUB 700
-2730   GOSUB 300
+2790 HANDCARDS(I,2)=X
-2740   PRINT
+2800 GOSUB 300
-2750   GOSUB 100
+2810 PRINT
-2760   PRINT "SECOND HAND RECEIVES A";
+2820 I=I1-D1
-2770   I=I1
+2830 IF HANDCARDS(I,1)==1 THEN GOTO 2900
-2780   GOSUB 700
+2840 REM--NOW PLAY THE TWO HANDS
-2790   HANDS(I,2)=X
+2850 PRINT "HAND";1-(I>D1);
-2800   GOSUB 300
+2860 GOSUB 800
-2810   PRINT
+2870 I=I+D1
-2820   I=I1-D1
+2880 IF I==I1 THEN GOTO 2850
-2830   IF HANDS(I,1)==1 THEN GOTO 2900
+2890 I=I1-D1
-2840   REM--NOW PLAY THE TWO HANDS
-2850   PRINT "HAND ";(1-(I>D1));
-2860   GOSUB 800
-2870   I=I+D1
-2880   IF I==I1 THEN GOTO 2850
-2890   I=I1-D1
 2900 NEXT
 2910 GOSUB 300
 2920 REM--TEST FOR PLAYING DEALER'S HAND
 2930 FOR I=1 TO N
-2940   IF HANDSLENS(I)>0 OR HANDSLENS(I+D1)>0 THEN BREAKTO 3010
+2940 IF CARDLEN(I)>0 OR CARDLEN(I+D1)>0 THEN GOTO 3010
 2950 NEXT
 2960 PRINT "DEALER HAD A";
-2970 X=HANDS(D1,2)
+2970 X=HANDCARDS(D1,2)
 2980 GOSUB 700
 2990 PRINT " CONCEALED."
 3000 GOTO 3140
-3010 PRINT "DEALER HAS";MID(DSTR,3*HANDS(D1,2)-2,3);" CONCEALED ";
+3010 PRINT "DEALER HAS A";MID(DSTR,3*HANDCARDS(D1,2)-2,3);" CONCEALED ";
 3020 I=D1
-3030 AA=HANDTOTAL(I)
+3030 AA=TRUNCATEHAND(HANDTOTAL(I))
-3031 GOSUB 3400
+3035 PRINT "FOR A TOTAL OF";AA
-3035 PRINT "FOR A TOTAL OF ";AA
 3040 IF AA>16 THEN GOTO 3130
 3050 PRINT "DRAWS";
 3060 GOSUB 100
 3070 GOSUB 750
 3080 GOSUB 1100
-3090 AA=Q
+3090 AA=TRUNCATEHAND(Q)
-3091 GOSUB 3400
 3095 IF Q>0 AND AA<17 THEN GOTO 3060
-3100 HANDTOTAL(I)=(Q-(Q<0)/2)
+3100 HANDTOTAL(I)=Q-(Q<0)/2
 3110 IF Q<0 THEN GOTO 3140
-3120 AA=Q
+3120 AA=TRUNCATEHAND(Q)
-3121 GOSUB 3400
+3125 PRINT "---TOTAL IS";AA
-3125 PRINT "---TOTAL IS ";AA
 3130 PRINT
 3140 REM--TALLY THE RESULT
 3150 REM 
 3160 ZSTR="LOSES PUSHES WINS "
 3165 PRINT
 3170 FOR I=1 TO N
-3180   AA=HANDTOTAL(I)
+3180 AA=TRUNCATEHAND(HANDTOTAL(I))
-3181   GOSUB 3400
+3182 AB=TRUNCATEHAND(HANDTOTAL(I+D1))
-3182   AB=HANDTOTAL(I+D1)
+3184 AC=TRUNCATEHAND(HANDTOTAL(D1))
-3183   GOSUB 3410
+3186 THISHNDFOR(I)=THISHNDFOR(I)+BETS(I)*SGN(AA-AC)+BETS(I+D1)*SGN(AB-AC)
-3184   AC=HANDTOTAL(D1)
+3188 BETS(I+D1)=0
-3185   GOSUB 3420
+3200 PRINT "PLAYER";I;
-3186   PLRHNDSUM(I)=PLRHNDSUM(I)+BETS(I)*SGN(AA-AC)+BETS(I+D1)*SGN(AB-AC)
+3210 PRINT MID(ZSTR,SGN(THISHNDFOR(I))*6+7,6);" ";
-3188   BETS(I+D1)=0
+3220 IF THISHNDFOR(I)<>0 THEN GOTO 3250
-3200   PRINT "PLAYER ";I;
+3230 PRINT "      ";
-3210   PRINT MID(ZSTR,SGN(PLRHNDSUM(I))*6+7,6);" ";
+3240 GOTO 3260
-3220   IF PLRHNDSUM(I)<>0 THEN GOTO 3250
+3250 PRINT ABS(THISHNDFOR(I));
-3230   PRINT "      ";
+3260 PTOTAL(I)=PTOTAL(I)+THISHNDFOR(I)
-3240   GOTO 3260
+3270 PRINT "TOTAL=";PTOTAL(I)
-3250   PRINT ABS(PLRHNDSUM(I));
+3280 GOSUB 1200
-3260   PLRSUM(I)=PLRSUM(I)+PLRHNDSUM(I)
+3290 PTOTAL(D1)=PTOTAL(D1)-THISHNDFOR(I)
-3270   PRINT "; TOTAL= ";PLRSUM(I)
+3300 I=I+D1
-3280   GOSUB 1200
+3310 GOSUB 1200
-3290   PLRSUM(D1)=PLRSUM(D1)-PLRHNDSUM(I)
+3320 I=I-D1
-3300   I=I+D1
-3310   GOSUB 1200
-3320   I=I-D1
 3330 NEXT
-3340 PRINT "DEALER'S TOTAL= ";PLRSUM(D1)
+3340 PRINT "DEALER'S TOTAL=";PTOTAL(D1)
 3345 PRINT
 3350 GOSUB 1200
 3360 GOTO 1810
-3400 AA=AA+11*(AA>=22)
-3401 RETURN
-3410 AB=AB+11*(AB>=22)
-3411 RETURN
-3420 AC=AC+11*(AC>=22)
-3421 RETURN

assets/tbas/doc/statements.tex

@@ -0,0 +1 @@
+ 

assets/tbas/doc/syntax.txt

@@ -8,7 +8,8 @@ line =
 linenumber = digits ;
 
 stmt =
-      "IF" , expr_sans_asgn , "THEN" , stmt , ["ELSE" , stmt]
+      "REM" , ? anything ?
+    | "IF" , expr_sans_asgn , "THEN" , stmt , ["ELSE" , stmt]
     | "DEFUN" , [ident] , "(" , [ident , {" , " , ident}] , ")" , "=" , expr
     | "ON" , expr_sans_asgn , ("GOTO" | "GOSUB") , expr_sans_asgn , {"," , expr_sans_asgn}
     | "(" , stmt , ")"

assets/tbas/doc/tokeniser.gv

@@ -37,7 +37,6 @@ digraph g {
 	LITERAL -> PAREN [label="()[]"]
 	LITERAL -> limbo [label=_]
 	LITERAL -> SEP [label=","]
-	LITERAL -> NUMBER [label="0..9"]
 	LITERAL -> OPERATOR [label="^*/+->=<"]
 	LITERAL -> LITERAL [label=otherwise]
 

assets/tbas/parser_wip.js

@@ -78,7 +78,8 @@ bF._parseTokens = function(lnum, tokens, states) {
 
 /** Parses following EBNF rule:
 stmt =
-      "IF" , expr_sans_asgn , "THEN" , stmt , ["ELSE" , stmt]
+      "REM" , ? anything ?
+    | "IF" , expr_sans_asgn , "THEN" , stmt , ["ELSE" , stmt]
     | "DEFUN" , [ident] , "(" , [ident , {" , " , ident}] , ")" , "=" , expr
     | "ON" , expr_sans_asgn , ident , expr_sans_asgn , {"," , expr_sans_asgn}
     | "(" , stmt , ")"
@@ -90,14 +91,6 @@ bF._parseStmt = function(lnum, tokens, states, recDepth) {
 
     /*************************************************************************/
 
-    let headTkn = tokens[0].toUpperCase();
-    let headSta = states[0];
-    
-    let treeHead = new BasicAST();
-    treeHead.astLnum = lnum;
-
-    /*************************************************************************/
-
     // case for: single word (e.g. NEXT for FOR loop)
     if (tokens.length == 1 && states.length == 1) {
         bF.parserPrintdbgline('$', "Single Word Function Call", lnum, recDepth);
@@ -106,6 +99,19 @@ bF._parseStmt = function(lnum, tokens, states, recDepth) {
 
     /*************************************************************************/
 
+    let headTkn = tokens[0].toUpperCase();
+    let headSta = states[0];
+
+    let treeHead = new BasicAST();
+    treeHead.astLnum = lnum;
+
+    /*************************************************************************/
+
+    // case for: "REM" , ? anything ?
+    if (headTkn == "REM" && headSta != "qot") return;
+
+    /*************************************************************************/
+
     let parenDepth = 0;
     let parenStart = -1;
     let parenEnd = -1;