perm filename NEW.OLD[XX,LCS]1 blob sn#208663 filedate 1976-03-26 generic text, type T, neo UTF8
00100		TITLE BMSTF		;0300	      SUBROUTINE BMSTF                            
00110		ENTRY BMSTF
00120		EXTERNAL STAFF,RHORZ,AMOD,NOZERO,IFIX,LINES,BMS,MAKNUM
00130		EXTERNAL .COMM.,ALF,POSI,STF,MIN,BM,PLTR
00200	BMSTF:	0		;00400	      IMPLICIT INTEGER(A-Q,S-Z)                      
00300	;00500	      REAL DIS,DISX,HGT,POS,CENTR,STFF,HGT1                    
00400	;00600	      COMMON/STF/RSTFAC(-3/4),RSTJ2/MIN/MINI,RMINI             
00500	;00700	      COMMON R2,JA,CENTR,J2,RJQ(20),JQ(20)/BM/RA,RC,RJY        
00600	;00800	      COMMON/POSI/STFF(-3/4),JJ2,POS/PLTR/PLT,RHT,DIS          
00700	;00900	      COMMON/ALF/QQ(3),RST7,RST18,R3Q,JY,RD,RX,RW,RJX,RJ,L,K,  
00800	;01000	     1 RJA,YY,DISX,HGT,RZ,INP(53)                              
00900	;01100	      EQUIVALENCE (J3,JQ(1)),(J4,JQ(2)),(J5,JQ(3)),(R5,RJQ(3)) 
01000	;01200	     1,(R6,RJQ(4)),(J7,JQ(5)),(J8,JQ(6)),(J9,JQ(7)),(J10,JQ(8))
01100	;01300	     1,(J11,JQ(9)),(J6,JQ(4)),(R9,RJQ(7)),(R8,RJQ(6)),(R3,RJQ(1
01200	;01400	     1 ,(R7,RJQ(5)),(R4,RJQ(2)),(R9,RJQ(7)),(R10,RJQ(8)),(RX3,R
01300	;01500	      DATA R14/14.54/,RTF/3.0/,RHGT/48.0/,R2HGT/96.0/,RBM/.83/ 
01400	;01600	C  RDBR IS SPACER FOR DBL BAR.                                 
01600	;				01710	      IF(JA.NE.8)GO TO 100                                 
01700	      	MOVEI 	02,10                                                   
01800	    	CAME  	02,.COMM.+1                                              
01900	      	JRST  	BS100
02000	;				01720	      CALL STAFF                                            
02100	      	JSA   	16,STAFF
02200		JRA 16,(16)		;1730	      RETURN                                      
02400	;		02000	C  TO COMPENSATE FOR NOTE #3 COMING AT POS=0       
02500	;				02200	      R3Q=R3       
02600	BS100:	MOVE  	02,.COMM.+4     
02700	      	MOVEM 	02,ALF+5
02800	;				02400	C  NEXT IS FOR BEAMS       
02900	;				02500	      RMINI=RSTJ2  
03000	      	MOVE  	02,STF+=8       
03100	      	MOVEM 	02,MIN+1
03200	;				02600	      RX=2.7*RSTJ2*5.96    
03300	      	FMPR  	02,[16.092]     
03400	      	MOVEM 	02,ALF+=8       
03410	      	MOVE  	5,.COMM.+=10   ;  SAVE R9 IN 5
03420		MOVE 6,.COMM.+=28	; 6 IS J7
03500	;;				02800	      R6=RHORZ(R6)
03600	      	JSA   	16,RHORZ
03700	      	JUMP .COMM.+7
03800	      	MOVEM 	00,.COMM.+7     
04000		MOVSI 2,204500		; (10.0)      IF(R8.NE.0)GO TO 204 
04100	      	SKIPN .COMM.+=9    
04200		CAMG 2,.COMM.+=11
04210		JRST BS204	       ;      IF(R10.GE.10)GO TO 204       
04900	;				03100	      IF(J7)GO TO 204      
05100	      	JUMPL 	6,BS204 
05300	;				03200	      IF(R9.NE.0)GO TO 1   
05500	      	JUMPN 	 5,BS1
05700	;   R8=0 AND R9=NUM  -- PUTS NUMBER OUTSIDE BEAM(FOR TRIPLET
05900	;				03400	204   IF(R9.NE.0)R9=RHORZ(R9)      
06400	BS204:	JUMPE 	 5,.+4  
06500	      	JSA   	16,RHORZ
06600	      	JUMP .COMM.+=10
06700	      	MOVEM .COMM.+=10
06900	      	JUMPL    6,BS201      ;	      IF(J7)GO TO 201      
07500	BS200:	MOVEI 	02,12       ;	200   IF(J10.LT.10)GO TO 91
07600	      	CAMLE 	02,.COMM.+=31  
07700	      	JRST  	BS91     
07900	;				03700	C NEXT FOR INNER, PARTIAL BEAMS    
08100	;				03800	      R8=RHORZ(R8) 
08200	      	JSA   	16,RHORZ
08300	      	JUMP .COMM.+=9
08400	      	MOVEM 	00,.COMM.+=9    
08600	;				03900	      R10=AMOD(R10,10.)    
08700	      	JSA   	16,AMOD 
08800	      	JUMP .COMM.+=11
08900	      	JUMP [10.0]
09000	      	MOVEM 	00,.COMM.+=11  
09200	;				04000	      GO TO(2,3,4),.COMM.+=31/10  
09300	      	MOVE  	02,.COMM.+=31  
09400	      	IDIVI 	02,12   
09500	      	SKIPLE	01,2    
09600	      	CAILE 	01,3    
09700	      	SKIPA 	0       
09800	M4:   	JRST  	@M4    (1)      
09900	      	JUMP  	00,BS2   
10000	      	JUMP  	00,BS3  
10100	      	JUMP  	00,BS4  
10300	;				04100	2     RH=R9+RX     
10400	BS2:   	MOVE  	02,ALF+=8       
10500	      	FADR  	02,.COMM.+=10   
10600	      	MOVEM 	02,RH#  
10800	;				04200	      GO TO 1      
10900	      	JRST  	BS1      
11100	;				04300	3     R8=R9-RX     
11200	BS3:  	MOVN  	02,ALF+=8       
11600	      	FADR  	02,.COMM.+=10   
11700	      	MOVEM 	02,.COMM.+=9;10=SHRT PARTIAL LFT↑RT., 20=RT.↑LFT, 30=TO POS IN P8    
12100	;				04500	4     RH=R8
12200	BS4:  	MOVE  	02,.COMM.+=9    
12300	      	MOVEM 	02,RH   
12500	;				04600	C  LEFT INNER POS. 
12700	;				04700	      GO TO 1      
12800	      	JRST  	BS1      
13000	;				04800	201   J7=-J7       
13100	BS201: 	MOVNS 	00,.COMM.+=28   
13300	;	04900	C P8=WIDTH OF TREM. P9=0(SANS OTHER BEAMS) OR =POS.3, P10=D
13500	;				05000	      CALL NOZERO(R10)     
13600	      	JSA   	16,NOZERO       
13700	      	JUMP .COMM.+=11
13900	;				05100	C  ALWAYS AT LEAST 1 IN DISPLACEMENT       
14100	;				05200	      J10=30       
14200	      	MOVEI 	02,36   
14300	      	MOVEM 	02,.COMM.+=31   ; TO ACTIVATE PARTIAL BEAM SECTION 
14700	;				05400	      IF(J9.NE.0)GO TO 202 
14800	      	MOVE  	02,.COMM.+=30   
14900	      	JUMPN 	02,BS202 
15100	;				05500	C  NEXT FOR TREM. WITHOUT OTHER BEAMS.     
15300	;				05600	      RH=-1
15400	      	MOVSI 	02,576400       
15500	      	MOVEM 	02,RH   
15700	;				05700	      IF(J7.GE.20)RH=-RH   
15800	      	MOVEI 	02,24   
15900	      	CAML 	02,.COMM.+=28   
16100	      	MOVNS 	00,RH   
17100	;				06000	      R5=R4+RH     
17200	      	MOVE  	02,RH   
17300	      	FADR  	02,.COMM.+5     
17400	      	MOVEM 	02,.COMM.+6     
17600	;				06100	      R9=R3
17700	      	MOVE  	02,.COMM.+4     
17800	      	MOVEM 	02,.COMM.+=10   
18000	;				06200	      R6=R3+22.*RMINI      
18100	      	MOVSI 	02,205540       
18200	      	FMPR  	02,MIN+1
18300	      	FADR  	02,.COMM.+4     
18400	      	MOVEM 	02,.COMM.+7     
18600	;				06300	202   IF(R8.EQ.0)R8=4.     
18700	BS202: 	MOVE  	02,.COMM.+=9    
18800	      	JUMPN 	02,.+3  
18900	      	MOVSI 	02,203400       
19000	      	MOVEM 	02,.COMM.+=9    
19300	;				06400	      RX=R8*RMINI*2.98     
19400	      	FMPR  	02,MIN+1
19600	      	FMPR  	02,[2.98]     
19700	      	MOVEM 	02,ALF+=8       
19900	;				06500	      RH=R9+RX     
20000	      	MOVE  	02,ALF+=8       
20100	      	FADR  	02,.COMM.+=10   
20200	      	MOVEM 	02,RH   
20400	;				06600	      R9=R9-RX     
20500	      	MOVN  	02,ALF+=8       
20600	      	FADRM 	02,.COMM.+=10   
20800	;				06700	      GO TO 1      
20900	      	JRST  	BS1      
21400	BS91:  	MOVE  	3,.COMM.+=29	;	91    IF(J8.EQ.0)GO TO 1   
21500	      	JUMPE 	3,BS1   
22200	      	JUMPG 	3,BS92       ;	      IF(J8.GT.0)GO TO 92  
22400	; FOR J8=-(10+DN) OR -(20+DN)      	      R9=R3+RX
22700	      	MOVE  	02,.COMM.+4     
22800	      	FADR  	02,ALF+=8            ;     IF(J8.LE.-20)R9=R6-RX
23300	      	CAMLE 	3,[-=20]   
23400	      	JRST  	.+3   
23500	      	MOVN  	02,ALF+=8       
23600	      	FADR  	02,.COMM.+7     
23700	      	MOVEM 	02,.COMM.+=10   
24000	;				07400	192   J8=-J8       
24100	BS192: 	MOVNS 	00,.COMM.+=29   
24300	;				07500	92    IF(J10.EQ.0)J10=MOD(J8,10)   
24400	BS92:  	MOVE  	02,.COMM.+=31  
24500	      	JUMPN 	02,.+3  
24600		MOVE 1,.COMM.+=29
24700		IDIVI 1,=10	     ;	      IF(J10.EQ.0)J10=1    
25600	      	SKIPN 	02  
25700	      	MOVEI 	02,1    
25800	      	MOVEM 	02,.COMM.+=31       ;	      R10=J10      
26200	;;	MOVE 1,.COMM.+=31
26300		TLC 2,232000
26350		FADR 2,2
26400	      	MOVEM 2,.COMM.+=11  ;IF P8 NEG, P9 IS AUTOMATIC, ALSO P10 IF NEEDED.  
26800	;				08000	1     IF(IABS(J4).LT.100)GO TO 97  
26900	BS1:   	MOVM .COMM.+=25 
27100	      	CAIGE 	00,144  
27500	      	JRST  	BS97     
27700	;				08100	      RMINI=.6*RSTJ2       
27800	      	MOVE  	02,[0.6]     
27900	      	FMPR  	02,STF+=8       
28000	      	MOVEM 	02,MIN+1
28200	;				08200	      R5=AMOD(R5,100.0)    
28300	      	JSA   	16,AMOD 
28400	      	JUMP .COMM.+6
28500	      	JUMP [100.0]   
28600	      	MOVEM 	00,.COMM.+6     ;	 SPACE BETWEEN BEAMS    
29000	;				08400	97    RJ=RMINI*11. 
29100	BS97:	MOVSI 2,204540
29200		FMPR 2,MIN+1
29300		MOVEM 2,ALF+=11
29400		MOVSI 206600		;MOVE [48.0]	;RW=RMINI*RHGT
29500		FMPR MIN+1
29600		MOVEM ALF+=9	; DIST. UP OR DOWN FROM NOTE HEAD.
29700		FMPR 2,.COMM.+=11		;RJA=R10*RJ
29750		MOVEM 2,ALF+=14		; DISPLACEMENT
29800		MOVE .COMM.+=10		; RD=R9
29900		MOVEM ALF+7		; POSITION 3
31600	      	FSBR  	2,ALF+=9   
31800	      	FADR  	02,.COMM.+2	; RJX=CENTR-RW+RJA
31900	      	MOVEM 	02,ALF+=10      ;     FINAL HEIGHT OF LEFT SIDE       
32300	;				09300	C  NEG R7=TREMOLO  
32800	;				09400	      RX=MOD(J7,10)
32900		MOVE .COMM.+=28
33000		IDIVI =10
33100		TLC 1,232000
33200		FADR 1,1
33300		MOVEM 1,RX#
33700	;				09500	      JJ2=J7-20    
33800	      	MOVNI 	02,24   
33900	      	ADD   	02,.COMM.+=28   
34000	      	MOVEM 	02,POSI+=8
34200	;				09600	      RA=R6
34300	      	MOVE  	02,.COMM.+7     
34400	      	MOVEM 	02,BM   ;   HORIZANTAL DIST.
34800	;				      RJY=R5*RST7+POS-RST18-RW+RJA 
34900	      	MOVSI 3,203700		; 7.0 
35000	      	FMPR  	03,.COMM.+6     
35050		FSBR 3,[18.0]
35060		FMPR 3,STF+=8
35100	      	FADR 3,ALF+=14
35200		FADR 3,POSI+=9
35250		FSBR 3,ALF+=9
35600		MOVEM 3,BM+2     ;   VERTICAL POS OF RIGHT SIDE.    
36300	;				10000	      RW=R14*RMINI 
36400	      	MOVE  	4,[14.54]
36500	      	FMPR  	4,MIN+1
36600	      	MOVEM 	4,ALF+=9   
36800	;				10100	      RY=1.
36900	      	MOVSI 	02,201400       
37000	      	MOVEM 	02,RY#  
37200	;				10200	      IF(J7.GE.20)GO TO 98 
37300	      	MOVEI 	02,24   
37400	      	CAMG  	02,.COMM.+=28   
37500	     	JRST  	BS98     	; JUMP IF STEMS ARE DOWN   
37900	;				10400	      RY=-RY       
38000	      	MOVNS 	00,RY   
38500	;				10500	C  FOR  THICKENING INCR.   
38700	;				10600	      JJ2=J7-10    
38800	      	MOVNI 	02,12   
38900	      	ADD   	02,.COMM.+=28   
39000	      	MOVEM 	02,POSI+=8  
39200	;				10700	      RJ=-RJ       
39300	      	MOVNS 	00,ALF+=11   
39500	;				10800	      RJA=RMINI*R2HGT-2.*RJA       
39600	      	MOVE  	02,[96.0]
39700	      	FMPR  	02,MIN+1
39800	      	MOVE  	03,ALF+=14   
39900	      	FSC   	03,1    
40000	      	FSBR  	02,3    
40100	      	MOVEM 	02,ALF+=14   
40300	;				10900	      RJX=RJX+RJA  
40500	      	FADRM 	02,ALF+=10   
40700	;				11000	      RJY=RJY+RJA  
40900	      	FADRM 	02,BM+2  
41100	;				11100	      R3Q=R3Q+RW   
41300	      	FADRM 	4,ALF+5        ;  POSITION 1      
41700	;				11300	      RA=RA+RW     
41900	      	FADRM 	4,BM           ;  POSITION 2      
42300	;				11500	      RD=RD+RW     
42500	      	FADRM 	4,ALF+7   
42900	;				11700	      RH=RH+RW     
43100	      	FADRM 	4,RH   
43300	;				11800	98    RSTJ2=RSTJ2*RBM      
43700	BS98:  	MOVE  	02,[0.83]
43800	      	FMPRM 	02,STF+=8       
44000	;   RBM BRINGS LINES OF BEAMS CLOSER TOGETHER. (=.83)       
44200	;				12000	93    IF(JJ2.GT.RX)GO TO 94
44300	 	MOVE 1,POSI+=8
44400		TLC 1,232000
44500		FADR 1,1
44550		CAMLE 1,ALF+=8
44600	      	JRST  	BS94    
44800	;				12100	      IF(J10.GE.10)GO TO 7 
44900	      	MOVEI 	02,12   
45000	      	CAMG  	02,.COMM.+=31  
45100	      	JRST  	BS7      
45200	      
45300	;				12200	C**********************    
45400	      
45600	      	MOVE  	3,.COMM.+=29          ;	      IF(J8.EQ.0)GO TO 94  
45700	      	JUMPE 	3,BS94  
45800	      
45900	;				12400	      R3=RW
46100	      	MOVEM 	4,.COMM.+4     
46200	      
46300	;				12500	      IF(J9.EQ.0)GO TO 292 
46400	      	MOVE  	02,.COMM.+=30   
46500	      	JUMPE 	02,BS292 
46600	      
46900	      	CAIL 3,24   	;	      IF(J8.GE.20)GO TO 193
47000	      	JRST  	BS193    
47100	      
47200	;				12700	293   RX=R3Q-RD    
47300	BS293: 	MOVE  	02,ALF+5
47400	      	FSBR  	02,ALF+7   
47500	      	MOVEM 	02,ALF+=8       
47600	      
47700	;				12800	      GO TO 194    
47800	      	JRST  	BS194    
47900	      
48000	;				12900	7     RHX=RH-R3Q   
48100	BS7:   	MOVN  	02,ALF+5
48200	      	FADR  	02,RH   
48300	      	MOVEM 	02,RHX#
48500	;				13000	      R3=RD-R3Q    
48600	      	MOVN  	02,ALF+5
49000	      	FADR  	02,ALF+7   
49100	      	MOVEM 	02,.COMM.+4     
49300	;				13100	      GO TO 292    
49400	      	JRST  	BS292    
49600	;				13200	193   RX=RD-RA     
49700	BS193:	MOVE  	02,ALF+7   
49800	      	FSBR  	02,BM   
49900	      	MOVEM 	02,ALF+=8       
50100	;				13300	194   R3=ABS(RX)   
50200	BS194:	MOVM ALF+=8  
50400	      	MOVEM 	00,.COMM.+4     
50600	;				13400	292   DISX=ABS(R3Q-RA)     
50700	BS292: 	MOVE  	02,ALF+5
50800	      	FSBR  	02,BM   
50900	      	MOVMM 	02,ALF+=16      
51400	;				13500	      HGT=RJX-RJY  
51500	      	MOVE  	3,ALF+=10   
51600	      	FSBR  	3,BM+2  
51700	      	MOVEM 	3,HGT#
51900	;				13600	      IF(J10.GE.10)HGT1=HGT*RHX/DISX       
52000	      	MOVEI 	02,12   
52100	      	CAMLE 	02,.COMM.+=31  
52200	      	JRST  	BS10    
52300	      	FMPR  	 3,RHX  
52500	      	FDVR  	3,ALF+=16 
52600	      	MOVEM 	3,HGT1#
53100	;				13800	      R3=R3/DISX   
53200	BS10: 	MOVE  	02,.COMM.+4     
53300	      	FDVR  	02,ALF+=16 
53400	      	MOVEM 	02,.COMM.+4     
53600	;				13900	195   HGT=HGT*R3   
53700		MOVE  	02,.COMM.+4     
53800	      	FMPRB 	02,HGT  
54300	;				14000	196   L=J8/10      
54400	 	MOVE  	4,.COMM.+=29   
54500	      	IDIVI 	 4,12   
54600	      	MOVEM 	4,ALF+=12    
54700	      
54800	;				14100	      J8=0 
54900	      	SETZM 	.COMM.+=29
55000	      
55100	;				14200	      IF(J10.GE.10)GO TO 8 
55200	      	MOVEI 	3,12   
55300	      	CAMG  	3,.COMM.+=31  
55400	      	JRST  	BS8      
55800		CAIN 4,1	;     	      IF(L.EQ.1)GO TO 95   
56100	      	JRST  	BS95     
56300	;	C   BEAM LFT=1,  RT=2   (PARAM 8=10 OR 20) 
56500	;				14600	      R3Q=RD       
56600	      	MOVE  	3,ALF+7   
56700	      	MOVEM 	3,ALF+5
56900	;				14700	      RJX=RJY+HGT  
57100	      	FADR  	02,BM+2 	; 2 WAS HGT
57200	      	MOVEM 	02,ALF+=10   
57400	;				14800	      GO TO 94     
57500	      	JRST  	BS94     
57900	;				15000	8     R3Q=RH       
58000	BS8:   	MOVE  	02,RH   
58100	      	MOVEM 	02,ALF+5
58300	;				15100	      RA=RD
58400	      	MOVE  	02,ALF+7   
58500	      	MOVEM 	02,BM   
58700	;				15200	      RJY=RJX-HGT  
58800	      	MOVE  	02,ALF+=10   
58900	      	FSBR  	02,HGT  
59000	      	MOVEM 	02,BM+2  
59200	;				15300	      RJX=RJX-HGT1 
59600	      	MOVN  	02,HGT1 
59700	      	FADRM 	02,ALF+=10   
59900	;				15400	      GO TO 94     
60000	      	JRST  	BS94     
60200	;				15500	95    RA=RD
60300	BS95:  	MOVE  	02,ALF+7   
60400	      	MOVEM 	02,BM   
60600	;				15600	      RJY=RJX-HGT  
60700	      	MOVE  	02,ALF+=10   
60800	      	FSBR  	02,HGT  
60900	      	MOVEM 	02,BM+2  
61100	;				15700	94    L=7.*RMINI   
61200	BS94:  	MOVSI 	02,203700       
61300	      	FMPR  	02,MIN+1
61400	      	JSA   	16,IFIX 
61500	      	JUMP  2         
61600	      	MOVEM 	00,ALF+=12
61800	;				15800	930   RC=0 
61900	BS930: 	SETZM 	BM+1      
62100	;	C  MINI LINES HAVE .2 SMALLER BEAMS.  MAYBE CHANGE THIS??  
62300	;				16000	      CALL LINES(R3Q,RJX,3)
62400	      	JSA   	16,LINES
62500	      	JUMP ALF+5     
62600	      	JUMP ALF+=10   
62700		JUMP [3]
62900	;				16100	      DO 941 K=1,L 
63000	      	MOVEI 	15,1    
63400					;	16200	      CALL BMS     
63500	BS12: 	JSA   	16,BMS  
63700	;				16300	      IF(PLT.GE.0)GO TO 940
63800	      	MOVE  	02,PLTR
63900	      	JUMPGE	02,BS940 
64100	;				16400	      RC=RC+RY     
64200	      	MOVE  	02,RY   
64300	      	FADRM 	02,BM+1         ; FOR THICKENING.  
65000	;				16600	      CALL BMS     
65100	      	JSA   	16,BMS  
65300		MOVE 1,ALF+5			;      CALL EXCH(RA,ALF+5)  
65500		EXCH 1,BM
65600		MOVEM 1,ALF+5
65700		MOVE 1,ALF+=10
65800		EXCH 1,BM+2		;    	941   CALL EXCH(RJY,RJX)   
65900		MOVEM 1,ALF+=10
66200	      	CAMGE 	15,ALF+=12
66300	      	AOJA  	15,BS12 
66500	;				16900	      CALL BMS     
66600	      	JSA   	16,BMS          ;  DRAWS 5 LINES FOR BEAMS.
67000	;				17100	940   JJ2=JJ2-1    
67100	BS940: 	SOSG  	POSI+=8     
67300	;				17200	      IF(JJ2.LE.0)GO TO 942
67500	      	JRST  BS942     ;  IF P7=10 OR 20 ONE BEAM WILL APPEAR.    
67900	;				17400	      RJY=RJY+RJ   
68000	      	MOVE  	02,ALF+=11   
68100	      	FADRM 	02,BM+2  
68300	;				17500	      RJX=RJX+RJ   
68500	      	FADRM 	02,ALF+=10   
68700	;				17600	      GO TO 930    
68800	      	JRST  	BS930    
69200	;				17800	942   IF(R8.NE.0)RETURN    
69300	BS942: 	SKIPN  .COMM.+=9    
69400		SKIPN .COMM.+=10
69500		JRA 16,(16)
69800	;				17900	      IF(R9.EQ.0)RETURN    
70700	;				18000	      IF(R10.GE.30)RETURN  
70800	      	MOVSI 	02,205740       
70900	      	CAMLE 	02,.COMM.+=11  
71000		JRA 16,(16)          ;	C FOR NUMBERS OUTSIDE BEAMS
71600	;				18200	      RSTJ2=RMINI  
71700	      	MOVE  	02,MIN+1
71800	      	MOVEM 	02,STF+=8       
72000	;				18300	      RD=-10.      
72100	      	MOVN  	3,[10.0]    
72400	;				18400	      IF(R7.LT.20)RD=8.3   
72500	      	MOVSI 	02,205500       
72600	      	CAMLE 	02,.COMM.+=8    
72800	      	MOVE  	3,[8.3]    
72900	      	MOVEM 	3,ALF+7   
73200	;				18500	943   J3=R3Q+(RA-R3Q)/2.   
73300	BS943: 	MOVN  	02,ALF+5
73400	      	FADR  	02,BM   
73500	      	FSC   	02,777777       
73600	      	FADR  	02,ALF+5
73700	      	JSA   	16,IFIX 
73800		JUMP 2
73900	      	MOVEM 	00,.COMM.+=24
74100	;				18600	      R6=1.
74200	      	MOVSI 	02,201400       
74300	      	MOVEM 	02,.COMM.+7     
74320	;				18900	      R7=1 
74420	      	MOVEM 	02,.COMM.+=8         ;	C ITALICS  
74700	;				18800	      R4=R4+(R5-R4)/2.+RD  
74800	      	MOVE  	02,.COMM.+6     
74900	      	FSBR  	02,.COMM.+5
74910	      	FSC   	02,777777       
75000	      	FADR 2,ALF+7     
75100	      	FADRM 	02,.COMM.+5     
76500	;				19100	      CALL MAKNUM(R9)      
76600	      	JSA   	16,MAKNUM       
76700	      	JUMP .COMM.+=10
76900		JRA 16,(16)      ;		19300	      END  
77000		END