1992/0326/port/devscc.c (diff list | history)

1992/0321/sys/src/9/port/devscc.c:33,38 – 1992/0326/sys/src/9/port/devscc.c:33,42 (short | long | prev | next)
1991/0601		Rx8bits= 3<<6, /* wr 4 */
1992/0326		ParEven= 3<<0, ParOdd= 1<<0, ParOff= 0<<0, ParMask= 3<<0,
1991/0601		SyncMode= 0<<2, Rx1stop= 1<<2, Rx1hstop= 2<<2,
1992/0321/sys/src/9/port/devscc.c:163,168 – 1992/0326/sys/src/9/port/devscc.c:167,192
1991/0601		sccwrreg(sp, 13, (brconst>>8) & 0xff); }
1992/0326		void sccparity(SCC *sp, char type) { int val; switch(type){ case 'e': val = ParEven; break; case 'o': val = ParOdd; break; default: val = ParOff; break; } sp->sticky[4] = (sp->sticky[4] & ~ParMask) | val; sccwrreg(sp, 4, 0); }
1991/0601		/* * toggle DTR */
1992/0321/sys/src/9/port/devscc.c:507,512 – 1992/0326/sys/src/9/port/devscc.c:531,540
1991/0601		case 'D': case 'd': sccdtr(sp, n);
1992/0326		break; case 'P': case 'p': sccparity(sp, *(bp->rptr+1));
1991/0601		break; case 'K': case 'k':