Function smap_write8

pcsx2/DEV9/smap.cpp:539–608

}

void smap_write8(u32 addr, u8 value)
{
	std::unique_lock<std::mutex> reset_lock(reset_mutex, std::defer_lock);
	std::unique_lock<std::mutex> counter_lock(frame_counter_mutex, std::defer_lock);
	switch (addr)
	{
		case SMAP_R_TXFIFO_FRAME_INC:
			//DevCon.WriteLn("DEV9: SMAP_R_TXFIFO_FRAME_INC 8bit write %x", value);
			{
				dev9Ru8(SMAP_R_TXFIFO_FRAME_CNT)++;
			}
			return;

		case SMAP_R_RXFIFO_FRAME_DEC:
			//DevCon.WriteLn("DEV9: SMAP_R_RXFIFO_FRAME_DEC 8bit write %x", value);
			counter_lock.lock();
			dev9Ru8(addr) = value;
			{
				dev9Ru8(SMAP_R_RXFIFO_FRAME_CNT)--;
			}
			counter_lock.unlock();
			return;

		case SMAP_R_TXFIFO_CTRL:
			//DevCon.WriteLn("DEV9: SMAP_R_TXFIFO_CTRL 8bit write %x", value);
			if (value & SMAP_TXFIFO_RESET)
			{
				dev9.txbdi = 0;
				dev9.txfifo_rd_ptr = 0;
				dev9Ru8(SMAP_R_TXFIFO_FRAME_CNT) = 0; //this actualy needs to be atomic (lock mov ...)
				dev9Ru32(SMAP_R_TXFIFO_WR_PTR) = 0;
				dev9Ru32(SMAP_R_TXFIFO_SIZE) = 16384;
			}
			value &= ~SMAP_TXFIFO_RESET;
			dev9Ru8(addr) = value;
			return;

		case SMAP_R_RXFIFO_CTRL:
			//DevCon.WriteLn("DEV9: SMAP_R_RXFIFO_CTRL 8bit write %x", value);
			if (value & SMAP_RXFIFO_RESET)
			{
				std::scoped_lock lock(reset_lock, counter_lock);
				dev9.rxbdi = 0;
				dev9.rxfifo_wr_ptr = 0;
				dev9Ru8(SMAP_R_RXFIFO_FRAME_CNT) = 0;
				dev9Ru32(SMAP_R_RXFIFO_RD_PTR) = 0;
				dev9Ru32(SMAP_R_RXFIFO_SIZE) = 16384;
			}
			value &= ~SMAP_RXFIFO_RESET;
			dev9Ru8(addr) = value;
			return;

		case SMAP_R_BD_MODE:
			if (value & SMAP_BD_SWAP)
			{
				DevCon.WriteLn("DEV9: SMAP_R_BD_MODE: Byteswapping enabled.");
				dev9.bd_swap = 1;
			}