24 lines
585 B
Plaintext
24 lines
585 B
Plaintext
ArrayRam equ $00FF2000 ;this label points to 4k of free space.
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;concatenate Array1 + Array2
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LEA ArrayRam,A0
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LEA Array1,A1
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MOVE.W #5-1,D1 ;LEN(Array1), measured in words.
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JSR memcpy_w
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;after this, A0 will point to the destination of the second array.
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LEA Array2,A1 ;even though the source arrays are stored back-to-back in memory, we'll assume they're not just for demonstration purposes.
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MOVE.W #5-1,D1 ;LEN(Array2), measured in words
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JSR memcpy_w
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JMP * ;halt the CPU
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memcpy_w:
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MOVE.W (A1)+,(A0)+
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DBRA D1,memcpy_w
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rts
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Array1:
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DC.W 1,2,3,4,5
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Array2:
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DC.W 6,7,8,9,10
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