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--- jbev_sin [2026/05/27 15:47] – admin
+++ jbev_sin [2026/09/15 23:10] (current) – admin
@@ Line 37: / Line 37: @@
 line
-<code>1 A=40+40*SIN(T):B=40+40*COS(T*I):IF A>B THEN SWAP A,B:?TAB(A)STRING$(B-A,".")"*":T=T+.1:I=I+.001:GOTO<code>
+<code>1 A=40+40*SIN(T):B=40+40*COS(T*I):IF A>B THEN SWAP A,B:?TAB(A)STRING$(B-A,".")"*":T=T+.1:I=I+.001:GOTO</code>
+<code>1 1 A=30+30*SIN(T):B=30+30*COS(T*I):L=ABS(A-B):?TAB((A+B-L)/2)STRING$(L/2,".")"*"STRING$(L/2,".");:T=T+.1:I=I+.001:GOTO 1</code>
+**CP/M MBasic friendly** \\
+<code>10 T=0:I=0
+A=30+30*SIN(T)
+B=30+30*COS(T*I)
+L=INT(ABS(A-B)/2)
+P=INT((A+B)/2-L)
+IF P<0 THEN P=0
+PRINT TAB(P);
+PRINT STRING$(L,".");
+PRINT "*";
+PRINT STRING$(L,".")
+T=T+.1
+I=I+.001
+GOTO 20</code>
+**VAX VMS Basic** \\
+<code>10  ! Centered Asterisk Ribbon Pattern
+  D$ = "................................................................................"
+  W = 38
+  T = 0.0
+  I = 0.0
+  A = INT(W + W * SIN(T))
+  B = INT(W + W * COS(T * I))
+  L = A
+  R = B
+IF L <= R GOTO 130
+L = B
+R = A
+M1 = INT((R - L) / 2)
+M2 = (R - L) - M1
+PRINT TAB(L); LEFT$(D$, M1); "*"; LEFT$(D$, M2)
+CALL LIB$WAIT(0.05)
+T = T + 0.125
+I = I + 0.001
+IF I < 0.97 GOTO 60
+GOTO 40</code>
+**TRS-80 (Tested on a MDL3)**
+<code>5 D$="................................................................"
+W=63
+W=W/2:H=W-1
+T=T+.125
+I=I+.001
+A=INT(W+H*SIN(T))
+B=INT(W+H*COS(T*I))
+IF A<B THEN L=A:R=B
+IF A>B THEN L=B:R=A
+IF A=B THEN PRINT TAB(L);"*":GOTO 240
+M=INT((L+R)/2)
+M=M-L
+R=R-(M+L)
+IF M=0 THEN PRINT TAB(L);"*";LEFT$(D$,R):GOTO 240
+PRINT TAB(L);LEFT$(D$,M);"*";LEFT$(D$,R)
+IF I<.9690001 THEN 110
+I=0:T=0:GOTO 110</code>
-<code>1 A=39+39*SIN(T):B=39+39*COS(T*I):IF A>B SWAP A,B:?TAB(A)STRING$(B-A,46)"*":T=T+.1:I=I+.001:GOTO 1</code>