35 lines
877 B
NASM
35 lines
877 B
NASM
; ***************************************************************************
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; copyright : (C) 2023 by Martin Preuss
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; email : martin@libchipcard.de
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;
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; ***************************************************************************
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; * This file is part of the project "AqHome". *
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; * Please see toplevel file COPYING of that project for license details. *
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; ***************************************************************************
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; ***************************************************************************
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; code
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.cseg
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; ---------------------------------------------------------------------------
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; Utils_Copy_SDRAM
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;
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; IN:
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; - X: dest in RAM
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; - Y: src in RAM
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; - R18: number of bytes to copy
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; OUT:
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; - nothing
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; USED: R17, R18, X, Y
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Utils_Copy_SDRAM:
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ld r17, Y+
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st X+, r17
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dec r18
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brne Utils_Copy_SDRAM
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ret
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