diff --git a/mu808.b74 b/mu808.b74
index fe87f40..11a76ce 100644
--- a/mu808.b74
+++ b/mu808.b74
@@ -5,60 +5,60 @@
 140 READ PMEM(I), PMEM(I+1)
 150 I=I+2
 160 IF PMEM(I-2)>-1 THEN 140
-170 L=1:IAT,V1,V2,V3=0
-180 M=L+L:A=PMEM(M):B=PMEM(M+1)
+170 L,IAT,V1,V2,V3=0
+180 L=L+1:M=L+L:A=PMEM(M):B=PMEM(M+1)
 190 IF A<0 THEN 730
 200 CMD=INT(A/10000)
 210 IF IAT=1 THEN 220 ELSE 230
 220 X=INT(V1):Y=INT(V2):Z=INT(V3):IAT=0:GOTO 240
 230 X=A-CMD*10000:Y=INT(B/10000):Z=B-Y*10000
 240 V1,V2,V3=0
-250 IF CMD=5 THEN DMEM(Z)=X+(Y/10000):GOTO 720
+250 IF CMD=5 THEN DMEM(Z)=X+(Y/10000):GOTO 180
 260 V1=DMEM(X):V2=DMEM(Y):V3=DMEM(Z)
 270 IF CMD=1 THEN 280 ELSE 420
-280 IF X=0 AND V2=0 THEN L=Z-1:GOTO 720
-290 IF X=1 AND V2>0 THEN L=Z-1:GOTO 720
-300 IF X=2 AND V2<0 THEN L=Z-1:GOTO 720
-310 IF X=3 AND V2>=0 THEN L=Z-1:GOTO 720
-320 IF X=4 AND V2<=0 THEN L=Z-1:GOTO 720
-330 IF X=5 AND V2<>0 THEN L=Z-1:GOTO 720
-340 IF X=6 THEN L=Z-1:GOTO 720
-350 IF X=7 AND V2=0 THEN L=INT(V3)-1:GOTO 720
-360 IF X=8 AND V2>0 THEN L=INT(V3)-1:GOTO 720
-370 IF X=9 AND V2<0 THEN L=INT(V3)-1:GOTO 720
-380 IF X=10 AND V2>=0 THEN L=INT(V3)-1:GOTO 720
-390 IF X=11 AND V2<=0 THEN L=INT(V3)-1:GOTO 720
-400 IF X=12 AND V2<>0 THEN L=INT(V3)-1:GOTO 720
-410 IF X=13 THEN L=INT(V3)-1:GOTO 720
-420 IF CMD=2 THEN IAT=1:GOTO 720
+280 IF X=0 AND V2=0 THEN L=Z-1:GOTO 180
+290 IF X=1 AND V2>0 THEN L=Z-1:GOTO 180
+300 IF X=2 AND V2<0 THEN L=Z-1:GOTO 180
+310 IF X=3 AND V2>=0 THEN L=Z-1:GOTO 180
+320 IF X=4 AND V2<=0 THEN L=Z-1:GOTO 180
+330 IF X=5 AND V2<>0 THEN L=Z-1:GOTO 180
+340 IF X=6 THEN L=Z-1:GOTO 180
+350 IF X=7 AND V2=0 THEN L=INT(V3)-1:GOTO 180
+360 IF X=8 AND V2>0 THEN L=INT(V3)-1:GOTO 180
+370 IF X=9 AND V2<0 THEN L=INT(V3)-1:GOTO 180
+380 IF X=10 AND V2>=0 THEN L=INT(V3)-1:GOTO 180
+390 IF X=11 AND V2<=0 THEN L=INT(V3)-1:GOTO 180
+400 IF X=12 AND V2<>0 THEN L=INT(V3)-1:GOTO 180
+410 IF X=13 THEN L=INT(V3)-1:GOTO 180
+420 IF CMD=2 THEN IAT=1:GOTO 180
 430 IF CMD=3 THEN 440 ELSE 490
 440 FOR I=X TO Y
 450 IF Z=0 THEN PRINT(DMEM(I)):PAUSE
 460 IF Z=1 THEN 470 ELSE 480
 470 IF DMEM(I)=10 THEN PAUSE ELSE PRINT(CHR$(INT(DMEM(I))));
-480 NEXT I:GOTO 720
+480 NEXT I:GOTO 180
 490 IF CMD=4 THEN 500 ELSE 530
 500 FOR I=X TO Y
 510 IF Z=0 THEN INPUT DMEM(I)
-520 NEXT I:GOTO 720
+520 NEXT I:GOTO 180
 530 IF CMD=6 THEN 540 ELSE 570
-540 IF X=0 THEN DMEM(Z)=Y:GOTO 720
-550 IF X=1 THEN DMEM(Z)=V2:GOTO 720
-560 IF X>1 THEN DMEM(INT(V3))=DMEM(INT(V2)):GOTO 720
-570 IF CMD=7 THEN DMEM(Z)=V1+V2*V3:GOTO 720
-580 IF CMD=8 THEN DMEM(Z)=V1-V2:GOTO 720
+540 IF X=0 THEN DMEM(Z)=Y:GOTO 180
+550 IF X=1 THEN DMEM(Z)=V2:GOTO 180
+560 IF X>1 THEN DMEM(INT(V3))=DMEM(INT(V2)):GOTO 180
+570 IF CMD=7 THEN DMEM(Z)=V1+V2*V3:GOTO 180
+580 IF CMD=8 THEN DMEM(Z)=V1-V2:GOTO 180
 590 IF CMD=9 THEN 600 ELSE 610
-600 IF V2=0 THEN DMEM(Z)=0:GOTO 720 ELSE DMEM(Z)=V1/V2:GOTO 720
+600 IF V2=0 THEN DMEM(Z)=0:GOTO 180 ELSE DMEM(Z)=V1/V2:GOTO 180
 610 IF CMD=10 THEN 620 ELSE 630
-620 IF V2=0 THEN DMEM(Z)=INT(V1):GOTO 720 ELSE DMEM(Z)=V1-V2*INT(V1/V2):GOTO 720
-630 IF CMD=11 THEN DMEM(Z)=ABS(V2):GOTO 720
-640 IF CMD=12 THEN DMEM(Z)=SQR(ABS(V2)):GOTO 720
+620 IF V2=0 THEN DMEM(Z)=INT(V1):GOTO 180 ELSE DMEM(Z)=V1-V2*INT(V1/V2):GOTO 180
+630 IF CMD=11 THEN DMEM(Z)=ABS(V2):GOTO 180
+640 IF CMD=12 THEN DMEM(Z)=SQR(ABS(V2)):GOTO 180
 650 IF CMD=13 THEN 660 ELSE 670
-660 IF X=0 THEN DMEM(Z)=EXP(V2):GOTO 720 ELSE DMEM(Z)=LN(ABS(V2)):GOTO 720
+660 IF X=0 THEN DMEM(Z)=EXP(V2):GOTO 180 ELSE DMEM(Z)=LN(ABS(V2)):GOTO 180
 670 IF CMD=14 THEN 680 ELSE 710
-680 IF X=0 THEN DMEM(Z)=SIN(V2):GOTO 720
-690 IF X=1 THEN DMEM(Z)=COS(V2):GOTO 720
-700 IF X>1 THEN DMEM(Z)=ATN(V2):GOTO 720
+680 IF X=0 THEN DMEM(Z)=SIN(V2):GOTO 180
+690 IF X=1 THEN DMEM(Z)=COS(V2):GOTO 180
+700 IF X>1 THEN DMEM(Z)=ATN(V2):GOTO 180
 710 IF CMD=15 THEN DMEM(Z)=INT(V1)+INT(RND*(INT(V2)-INT(V1)+1))
-720 L=L+1:GOTO 180
+720 GOTO 180
 730 END