54 lines
1.6 KiB
NASM
54 lines
1.6 KiB
NASM
; ***************************************************************************
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; copyright : (C) 2025 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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; @routine NETMSG_Debug_Write @global
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;
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; @param Y pointer to device to write msg for
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; @param X pointer to buffer to write to
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; @param r0-14 value 1-15
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; @clobbers R16, R17, R18, R19, R20, R21
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NETMSG_Debug_Write:
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ldi r16, 0xff
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st X+, r16 ; dest address
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ldi r16, 17 ; msg code+src address+15 payload bytes
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st X+, r16 ; msg len
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ldi r16, NETMSG_CMD_DEBUG
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st X+, r16 ; msg code
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ldd r16, Y+NET_IFACE_OFFS_ADDRESS
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st X+, r16 ; src address
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st X+, r0 ; 5th byte
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st X+, r1
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st X+, r2
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st X+, r3
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st X+, r4
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st X+, r5
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st X+, r6
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st X+, r7
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st X+, r8
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st X+, r9
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st X+, r10
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st X+, r11
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st X+, r12
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st X+, r13
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st X+, r14
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sbiw xh:xl, 19 ; go back to beginning of message (1 byte dst addr, 1 byte length, 17 bytes payload)
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rcall NETMSG_CalcAndAddChecksumByte ; (R16, R17, R18, R19, R20, X)
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sbiw xh:xl, 20 ; go back to beginning of message (1 byte dst addr, 1 byte length, 17 bytes payload, 1 byte crc)
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ret
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; @end
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