explain more similarities. Go to some effort to avoid some similarities where we can see a way.
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@@ -24,10 +24,10 @@ basic_do_new:
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;; Zero line pointer
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;; XXX - We should also zero $0800, i.e., basic_start_of_text_ptr - 1
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ldy #$00
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ldy #$01
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tya
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sta (basic_start_of_text_ptr),y
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iny
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dey
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sta (basic_start_of_text_ptr),y
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@@ -25,8 +25,8 @@ iec_turnaround_to_listen:
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dex
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bne -
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jsr printf
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.byte "TURNAROUND FAILED - FILE NOT FOUND?",$0d,$00
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;; jsr printf
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;; .byte "TURNAROUND FAILED - FILE NOT FOUND?",$0d,$00
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;; ;; Timeout = file not found error
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;; ;; (https://www.pagetable.com/?p=1023)
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@@ -0,0 +1 @@
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A string of empty bytes followed by half an instruction. Not copyrightable
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@@ -0,0 +1 @@
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instruction fragments. not copyrightable.
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@@ -0,0 +1 @@
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Instruction fragment plus LDA ($nn),Y. Single instruction. Not copyrightable.
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@@ -0,0 +1,3 @@
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instruction fragment, followed by conditional execution of a JMP instruction.
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Common idiom in 6502 programming. Not copyrightable.
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@@ -0,0 +1 @@
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Instruction fragment, INX, instruction fragment. Single instruction. Not copyrightable.
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@@ -0,0 +1 @@
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Instruction fragment + store A in ZP. Single instruction. Not copyrightable.
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@@ -0,0 +1,4 @@
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Instructio fragment, increment ZP location, return from subroutine.
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Simple combination of very common elements. Not copyrightable.
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No creativity.
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@@ -0,0 +1 @@
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Instruction fragment, PLA, instruction fragment. Single instruction. Not copyrightable.
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@@ -0,0 +1 @@
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Instruction fragment, LDX from ZP. Single instruction. Not copyrightable.
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@@ -0,0 +1 @@
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The string " IN ". Not copyrightable.
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@@ -0,0 +1 @@
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Subtract 10 from something. Not copyrightable.
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@@ -0,0 +1 @@
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substract $30 from A. Not copyrightable.
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@@ -0,0 +1 @@
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instruction fragment, LDX from ZP location. Not copyrightable.
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@@ -0,0 +1,4 @@
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fragment / BNE <skip following JMP instruction> / JMP somewhere
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Conditionally jump somewhere. Would be a single instruction
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on many architectures. Not copyrightable.
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@@ -0,0 +1 @@
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The word "BREAK". Not copyrightable.
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@@ -0,0 +1 @@
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The string "FOR". Not copyrightable.
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@@ -0,0 +1 @@
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Push A to stack, then begin adding something. Simple register manipulations. Not copyrightable.
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@@ -0,0 +1 @@
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PHA / TAX / PHA / LDA #$xx - Simple register manipulations. Not copyrightable.
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@@ -0,0 +1,3 @@
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Push Y and A onto the stack. Load A with something.
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Simple register manipulations. Not copyrightable.
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@@ -0,0 +1,3 @@
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Push A to stack, copy A to X register, instruction fragment.
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Simple register manipulations. Not copyrightable.
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@@ -0,0 +1 @@
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The string "IN ". Not copyrightable.
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@@ -0,0 +1 @@
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"ING", fragment of "SEARCHING FOR". Not copyrightable.
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@@ -0,0 +1 @@
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"ING ", fragment of "SEARCHING FOR". Not copyrightable.
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@@ -0,0 +1 @@
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"ING F", fragment of "SEARCHING FOR". Not copyrightable.
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@@ -0,0 +1 @@
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The string "REA", being a fragment of "BREAK". Not copyright.
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@@ -0,0 +1 @@
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RTS / CLC + instruction fragment. End of routine followed by single instruction. Not copyrightable.
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@@ -0,0 +1,5 @@
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RTS / JSR $xxEB. One and a half instructions. Not copyrightable.
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RTS marks the end of a routine, and JSR is common at the start of
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a routine. Thus 1 in 256 such routines would be expected to have an LSB
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of $EB
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@@ -0,0 +1 @@
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Pull A value from stack, and add something to it. Simple register manipulations. Not copyrightable.
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@@ -0,0 +1 @@
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Pull A from stack and add something. Simple register manipulation. Not copyrightable.
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@@ -0,0 +1 @@
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Pull A from stack and add something. Simple register manipulation. Not copyrightable.
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@@ -0,0 +1,3 @@
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instruction fragment, SEC, SBC. Common subtraction sequence. Not copyrightable.
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no creative element. Would be a single instruction on many architectures.
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@@ -0,0 +1,3 @@
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instruction fragment, SEC, SBC value. Common subtraction sequence. Not copyrightable.
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no creative element. Would be a single instruction on many architectures.
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@@ -0,0 +1 @@
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Store A in ZP location, then load A with contents of another ZP location. Not copyrightable.
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@@ -0,0 +1 @@
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Push X register to stack and clear C flag. Simple register manipulations. Not copyrightable.
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@@ -0,0 +1 @@
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Fragment of sequence to save registers on the stack. Not copyrightable.
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@@ -0,0 +1,4 @@
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Dereference pointer and read first byte.
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Single instruction on many architectures.
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Common idiom. No creativity. Not copyrightable.
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@@ -0,0 +1 @@
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LDY $6D followed by instruction fragment. Single instruction. Not copyrightable.
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@@ -0,0 +1,4 @@
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Load A and X from $3A and $39
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Loading registers with the contents of memory is not copyrightable.
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No creative element.
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@@ -0,0 +1 @@
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instruction fragments. Not copyrightable.
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@@ -0,0 +1 @@
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TAX, PLA, STA in ZP. Simple register manipulations. Not copyrightable.
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@@ -0,0 +1 @@
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LDA from ZP surrounded by instruction fragments. Single instruction. Not copyrightable.
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@@ -0,0 +1,4 @@
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subtract 0 , store to ZP and return from subroutine
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Effectively a subtract at the end of a routine.
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Nothing creative. Not copyrightable.
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@@ -0,0 +1,4 @@
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subtract 1 from something, then store something into ZP.
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Simple combination of very common elements. Not copyrightable.
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No creativity.
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@@ -0,0 +1,5 @@
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subtract 1 from something, then store result in ZP, followed by instruction fragment
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Essentially a single subtraction instruction at the end of a routine.
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Simple combination of very common elements. Not copyrightable.
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No creativity.
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@@ -0,0 +1,5 @@
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subtract 1 from something, then store result in ZP and return from subroutine.
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Essentially a single subtraction instruction at the end of a routine.
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Simple combination of very common elements. Not copyrightable.
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No creativity.
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@@ -0,0 +1 @@
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instruction fragments. Not copyrightable.
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@@ -0,0 +1 @@
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INY surrounded by instruction fragments. Single instruction. Not copyrightable.
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