73 lines
2.2 KiB
NASM
73 lines
2.2 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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; - CFLAG: set if okay, clear otherwise
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; MODIFIED REGS: R6, R16, R17, R18, R20 (R3, R4, R15, R19, R21, X)
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CPRO_EnqueueMemStats:
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mov r6, r16
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rcall COM_AllocBufferAndGetXY ; (r16, r17, r21)
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brcc CPRO_EnqueueMemStats_error
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push xh
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push xl
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mov r16, r6
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ldi r17, CPRO_PAYLOAD_FLAGS_UID | CPRO_PAYLOAD_FLAGS_SECONDS | (8<<CPRO_PAYLOAD_FLAGS_SHIFT_NUM)
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ldi r18, CPRO_CMD_MEMSTATS
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rcall cproBeginMsgWithVariablePayload ; (R3, R4, R16, R17, R18, R19, R20, R21, X)
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; payload
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in r17, SPL
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st X+, r17 ; current stackpointer
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in r17, SPH
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st X+, r17
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lds r17, comRecvBuffersUsed
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st X+, r17 ; used buffers
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lds r17, comMaxBuffersUsed
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st X+, r17 ; max used buffers
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lds r17, comStatsSendNoBuffer
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st X+, r17 ; sendNoBuffer
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lds r17, comStatsSendNoBuffer+1
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st X+, r17
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lds r17, comStatsRecvNoBuffer
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st X+, r17 ; recvNoBuffer
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lds r17, comStatsRecvNoBuffer+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 comCalcAndAddChecksumByte ; (R16, R17, R18, R19, X)
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; mark buffer as enqueued with PRIO "normal" (slightly limited number of retries)
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ldi r20, COM_BUFFER_PRIO_NORMAL
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rcall COM_EnqueuePacket ; (R15, R16)
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brcc CPRO_EnqueueMemStats_error
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sec
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ret
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CPRO_EnqueueMemStats_error:
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clc
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ret
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