avr: added comments
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@@ -288,7 +288,7 @@ com2ReceivePacket_bufferAvailable:
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push xl
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push xh
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lds r16, com2Address
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ldi r17, (COM2_BUFFER_SIZE-3)
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ldi r17, (COM2_BUFFER_SIZE-3) ; buffer size minus dst addr, payload len, crc byte
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rcall com2ReceivePacketRaw
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pop xh
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pop xl
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