explained some more frequent similarities

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FeralChild64 committed 2020-09-22 22:46:18 +02:00
1 parent c71a729700
commit 0c9d39c312
15 files changed
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Two 0's followed by 3.
Trivial, this can be found in many more pieces of software. Not copyrightable.
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$01 + BIT to skip 2 bytes + LDA #(value does not match)
Not even a full instruction - trivial, not copyrightable.
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$01 + RTS + JSR (address does not match)
Instruction + some parts. Trivial - not copyrightable.
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$01 + RTS + JMP (address does not match)
Instruction + some parts. Trivial - not copyrightable.
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$03 + JMP $xx01 (address does not fully match)
Not even a full instruction. Trivial - not copyrightable.
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$03 + JMP $xx91 (address does not fully match)
Not even a full instruction. Trivial - not copyrightable.
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BIT (to skip 2 bytes) + LDA #$02 + BIT (to skip 2 bytes) + LDA #$03 + BIT ...
A common 6502 trick to put value to .A depending on target jump address with small amount of code. Not creative - not copyrightable.
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SEC + SBC $61
Subtracting zeropage variable from .A. Trivial - not copyrightable.
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TYA + PHA + LDA #(value does not match)
Story .Y on the stack + some part. Trivial - not copyrightable.
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LDA #$02 + BIT (to skip 2 bytes) + LDA
Small part of the trick to load .A depending on jump address, common for 6502 code. Not creative - not copyrightable.
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INY + LDA ($22),Y
Small part of the loop reading data via known zeropage pointer. Trivial - not copyrightable.
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SBC $61 + STA (zeropage address does not match)
Instruction + some parts. Trivial - not copyrightable.
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SBC $62 + STA (zeropage address does not match)
Instruction + some parts. Trivial - not copyrightable.
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SBC $63 + STA (zeropage address does not match)
Instruction + some parts. Trivial - not copyrightable.
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SBC $65 + STA (zeropage address does not match)
Instruction + some parts. Trivial - not copyrightable.