58 lines
1.7 KiB
NASM
58 lines
1.7 KiB
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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; Enqueue a MEMSTATS packet.
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;
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; IN:
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; - R16: destination address
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; OUT:
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; - nothing
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; REGS: R3, R4, R16, R17, R18, X (R19, R20, R21)
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CPRO_WriteMemStats:
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ldi r17, COM2_PAYLOAD_FLAGS_UID | COM2_PAYLOAD_FLAGS_SECONDS | (6<<COM2_PAYLOAD_FLAGS_SHIFT_NUM)
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ldi r18, CPRO_CMD_MEMSTATS
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push xh
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push xl
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rcall COM2_BeginMsgWithVariablePayload ; (R3, R4, R16, R17, R18, R19, R20, R21, X)
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; payload
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ldi r20, LOW(RAMEND)
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ldi r21, HIGH(RAMEND)
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in r17, SPL
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sub r20, r17
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st X+, r20 ; stack used
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in r17, SPH
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sbc r21, r17
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st X+, r21
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lds r17, com2RecvBuffersUsed
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st X+, r17 ; used buffers
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lds r17, com2MaxBuffersUsed
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st X+, r17 ; max used buffers
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lds r17, com2StatsNoBufferError
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st X+, r17 ; recvNoBuffer
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lds r17, com2StatsNoBufferError+1
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st X+, r17
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pop xl
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pop xh
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rcall com2CalcAndAddChecksumByte ; (R16, R17, R18, R19, X)
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ret
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