1991/0601/port/devscc.c (diff list | history)

1991/0601/sys/src/9/port/devscc.c:197,208 – 1991/0604/sys/src/9/port/devscc.c:197,209 (short | long | prev | next)
1991/0601		} /* * 9600 baud, 1 stop bit, 8 bit chars, no interrupts,
1991/0604		* default is 9600 baud, 1 stop bit, 8 bit chars, no interrupts,
1991/0601		* transmit and receive enabled, interrupts disabled. */ void sccsetup(void)
1991/0604		sccsetup(void *addr)
1991/0601		{
1991/0604		SCCdev *dev;
1991/0601		SCC *sp; static int already;
1991/0601/sys/src/9/port/devscc.c:209,222 – 1991/0604/sys/src/9/port/devscc.c:210,224
1991/0601		if(already) return; already = 1;
1991/0604		dev = addr;
1991/0601		/* * get port addresses */ scc[0].ptr = &SCCADDR->ptra; scc[0].data = &SCCADDR->dataa; scc[1].ptr = &SCCADDR->ptrb; scc[1].data = &SCCADDR->datab;
1991/0604		scc[0].ptr = &dev->ptra; scc[0].data = &dev->dataa; scc[1].ptr = &dev->ptrb; scc[1].data = &dev->datab;
1991/0601		for(sp = scc; sp < &scc[2]; sp++){ memset(sp->sticky, 0, sizeof(sp->sticky));
1991/0601/sys/src/9/port/devscc.c:331,341 – 1991/0604/sys/src/9/port/devscc.c:333,338
1991/0601		void sccdevice(SCC *sp) { /* * turn on both ports */ sccsetup();                  /* * set up i/o routines */