Maybe a bit off-topic, but just in case you want to know how the RND works on MSX, it is calculated from previous value like this:

NEW = FRC(21132486540519 * OLD + 0.14389820420821)

Because it is quite a hard to understand it like this, here is a BASIC program that simulates RND function :

10 ' We have to split these numbers, other ways BASIC is 20 ' going to lose some important decimals : 30 ' 40 M1= 21132480000000#: A1= .1438982# 50 M2= 6540519#: A2=4.20821E-09 60 ' 70 R=RND(-TIME) ' Here we give a new seed for RND function. Seed is always 80 ' reset when we start running a BASIC program. 90 ' 100 CLS 110 PRINT "If you are going to use positive numbers for RND(X) function," 120 PRINT "here is next 10 values, that you are going to get :" 130 PRINT STRING$(65,"-") 140 ' 150 FOR I = 0 TO 9 160 ' 170 L1 = 1E-07*INT(R*10000000!) 180 L2 = R-L1 190 HE = 10000000!*(M2*L2+A2) 200 H1 = (M1*L2)-INT(M1*L2) 210 H2 = (M2*L1)-INT(M2*L1) 220 H3 = H1 + H2 + A1 + 1E-07 * INT(HE) 230 H4 = H3 - INT(H3) 240 H5 = 1E-07*(HE - INT(HE)) 250 R = H4 + H5 260 PRINT I;"|";R 270 ' 280 NEXT I

I think that almost nothing is OT when you talk about coding. It was indeed very interesting

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