explained all similarities >3

strings/0001020304

@@ -0,0 +1,3 @@
+sequence 0, 1, 2, 3, 4
+
+Trivial sequence of bytes. Not copyrightable.

strings/008526852785288529

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+$00 + STA $26 + STA $27 + STA $28 + STA $29 (temporary variables)
+
+Couple of instructions settin 0 into temporary zeropage variables. Trivial - not copyrightable.

strings/01020304

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+sequence 1, 2, 3, 4
+
+Trivial sequence of bytes. Not copyrightable.

strings/0320FEED

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+BCS (offset matches) + JSR (address only partially matches)
+
+Instruction + some part. Trivial - not copyrightable.

strings/07C922F0

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+$07 + CMP #$22 + BEQ (offset does not match)
+
+Instruction + some parts. Trivial - not copyrightable.

strings/18A52B69

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+CLC + LDA $2B + ADC #(value does not match)
+
+Small part of code performing addition with a given zeropage variable. Trivial - not copyrightable.

strings/20E7FFA537

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+JSR $FFE7 + LDA $37
+
+Calling a documented routine (CLALL) and fetching a byte from zeropage variable. Trivial - not copyrightable.

strings/2C382099FF

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+$2C + SEC + JSR $FF99 (MEMTOP)
+
+Call of a well-known routine, following operation type set and some part. Trivial - not copyrightable.

strings/38A52BE901

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+SEC + LDA $2B + SBC #$01
+
+Small part of code performing subtraction from a given zeropage variable. Trivial - not copyrightable.

strings/60A561F0

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+RTS + LDA $61 + BEQ (offset does not match)
+
+End of pprevious routine + a new one starting from checking, whether zeropage variable is 0 or not. Trivial - not copyrightable.

strings/60C922D00B

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+RTS + CMP #$22 + BNE (offset matches)
+
+End of the routine + beginning of a new one, which starts by checking for a particular character. Not creative - not copyrightable.

strings/6902852D

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+ADC #$02 + STA $2D
+
+Add 2, store value in zeropage variable. Trivial - not copyrightable.

strings/6902852DA52C6900852E20

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+ADC #$02 + STA $2D + LDA $2C + ADC #$00 + STA $2E + JSR (address does not match)
+
+Code calculatin VARTAB value from TXTTAB - by adding 2. Trivial - not copyrightable.

strings/A200A000

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+LDX #$00 + LDY #$00
+
+Load $00 into both index registers. Trivial - not copyrightable.

strings/A56160A5

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+LDA $61 + RTS + LDA (zeropage address does not match)
+
+One routine ending with returning a zeropage variable, another one starting with fetching data to acccumulator (not even the same address). Trivial - not copyrightable.

strings/B9903C20

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+$B9 + BCC (offset matches) + JSR (addres does not match)
+
+Instruction + some parts. Trivial - not copyrightable.

strings/C901F008C903

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+CMP #$01 + BEQ (offset matches) + CMP #$03
+
+Two decisions based on accumulator value (second not even the same one). Trivial - not copyrightable.

strings/C922D008A5D449

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+CMP #$22 + BNE (offset matches) + LDA $D4 (QTSW) + EOR #(value does not match)
+
+Small piece of code handling QTSW flag - telling whether we are in the quote mode. Nothing complicated here - not creative, not copyrightable.

strings/FFFF0000

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+$FF, $FF, $00, $00
+
+Sequence of bytes being similar most likely fue to ROM not being filled in completely. Trivial - not copyrightable.