Add similarity strings

strings/00205BBC

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+JSR $BC5B
+
+Call to known BASIC function FCOMP

strings/20730090

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+JSR $0073 + BCC
+
+Call CHRGET in zero page. From BASIC

strings/20790020F3BC68

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+Call CHRGOT and FIN. Both known BASIC functions

strings/20D4BBA5

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+JSR $BBD4 + LDA
+
+Call known floating point move function in BASIC

strings/6020A6B3

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+RTS + JSR $B3A6
+
+Call BASIC error function

strings/B490034C

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+$B4 + BCC $03 + JMP
+
+Fragment