1993/0907/carrera/screen.c (diff list | history)

1993/0906/sys/src/9/carrera/screen.c:43,48 – 1993/0907/sys/src/9/carrera/screen.c:43,62 (short | long | prev | next)
1993/0906		uchar graphics[9]; uchar attribute[0x15]; uchar special[12];
1993/0907		struct { uchar viden; uchar sr6; uchar sr7; uchar ar16; uchar ar17; uchar crt31; uchar crt32; uchar crt33; uchar crt34; uchar crt35; uchar crt36; uchar crt37; } tseng;
1993/0906		}; void setmode(VGAmode*);
1993/0906/sys/src/9/carrera/screen.c:86,92 – 1993/0907/sys/src/9/carrera/screen.c:100,106
1993/0906		GBitmap gscreen = { EISAUNCACHED(0xA0000),
1993/0907		EISA(0xA0000),
1993/0906		0, (1024*(1<<3))/32, 3,
1993/0906/sys/src/9/carrera/screen.c:95,110 – 1993/0907/sys/src/9/carrera/screen.c:109,114
1993/0906		0 }; static GBitmap hwcursor= { 0, /* base filled in by malloc when needed */ 0, 4, 1, {0, 0, 64, 64}, {0, 0, 64, 64} };                  uchar bdata[] = { 0xC0,
1993/0906/sys/src/9/carrera/screen.c:121,129 – 1993/0907/sys/src/9/carrera/screen.c:125,130
1993/0906		0 }; /* * a fatter than usual cursor for the safari */ Cursor fatarrow = { { -1, -1 }, {
1993/0906/sys/src/9/carrera/screen.c:182,194 – 1993/0907/sys/src/9/carrera/screen.c:183,213
1993/0906		void screeninit(void) {
1993/0907		int i, j; uchar *scr;
1993/0906		setmode(&dfltmode); memmove(&arrow, &fatarrow, sizeof(fatarrow));
1993/0907		scr = (uchar*)EISA(0xA0000); iprint("%lux\n", scr); *scr = 0xaa; i = *scr; iprint("%2.2ux\n", i); *scr = 0x55; i = *scr; iprint("%2.2ux\n", i); for(j = 0; j < 768; j++) for(i = 0; i < 1024; i++) *(scr+i+(j*1024)) = i;
1993/0906		/* save space; let bitblt do the conversion work */ defont = &defont0;
1993/0907		defont = &defont0; iprint("gbitblt\n");
1993/0906		gbitblt(&gscreen, Pt(0, 0), &gscreen, gscreen.r, 0);
1993/0907		iprint("done\n");
1993/0906		out.pos.x = MINX; out.pos.y = 0; out.bwid = defont0.info[' '].width;
1993/0906/sys/src/9/carrera/screen.c:363,368 – 1993/0907/sys/src/9/carrera/screen.c:382,393
1993/0906		EISAOUTB(SR, val); }
1993/0907		uchar srin(ushort i) { EISAOUTB(SRX, i); return EISAINB(SR); }
1993/0906		void grout(int reg, int val) {
1993/0906/sys/src/9/carrera/screen.c:375,381 – 1993/0907/sys/src/9/carrera/screen.c:400,407
1993/0906		{ if(reg == 0) EISAOUTB(EMISCW, val); else if (reg == 1)
1993/0907		else if (reg == 1)
1993/0906		EISAOUTB(EFCW, val); }
1993/0906/sys/src/9/carrera/screen.c:393,399 – 1993/0907/sys/src/9/carrera/screen.c:419,426
1993/0906		junk = EISAINB(0x3DA); USED(junk); EISAOUTB(ARW, reg | 0x20); } else {
1993/0907		} else {
1993/0906		EISAOUTB(ARW, reg | 0x20); EISAOUTB(ARW, val); }
1993/0906/sys/src/9/carrera/screen.c:414,419 – 1993/0907/sys/src/9/carrera/screen.c:441,452
1993/0906		/* turn screen off (to avoid damage) */ srout(1, 0x21);
1993/0907		EISAOUTB(0x3bf, 0x03); /* hercules compatibility reg */ EISAOUTB(0x3d8, 0xa0); /* display mode control register */ EISAOUTB(0x3cd, 0x00); /* segment select */ srout(0x00, srin(0x00) & 0xFD); /* synchronous reset*/
1993/0906		for(i = 0; i < sizeof(v->general); i++) genout(i, v->general[i]);
1993/0906/sys/src/9/carrera/screen.c:423,429 – 1993/0907/sys/src/9/carrera/screen.c:456,463
1993/0906		else srout(i, v->sequencer[i]); crout(Cvre, 0); /* allow writes to CRT registers 0-7 */
1993/0907		/* allow writes to CRT registers 0-7 */ crout(Cvre, 0);
1993/0906		for(i = 0; i < sizeof(v->crt); i++) crout(i, v->crt[i]);
1993/0906/sys/src/9/carrera/screen.c:432,437 – 1993/0907/sys/src/9/carrera/screen.c:466,491
1993/0906		for(i = 0; i < sizeof(v->attribute); i++) arout(i, v->attribute[i]);
1993/0907		EISAOUTB(0x3C6, 0xFF); /* pel mask */ EISAOUTB(0x3C8, 0x00); /* pel write address */ EISAOUTB(0x3bf, 0x03); /* hercules compatibility reg */ EISAOUTB(0x3d8, 0xa0); /* display mode control register */ srout(0x06, v->tseng.sr6); srout(0x07, v->tseng.sr7); i = EISAINB(0x3da); /* reset flip-flop. inp stat 1*/ USED(i); arout(0x16, v->tseng.ar16); /* misc */ arout(0x17, v->tseng.ar17); /* misc 1*/ crout(0x31, v->tseng.crt31); /* extended start. */ crout(0x32, v->tseng.crt32); /* extended start. */ crout(0x33, v->tseng.crt33); /* extended start. */ crout(0x34, v->tseng.crt34); /* stub: 46ee + other bits */ crout(0x35, v->tseng.crt35); /* overflow bits */ crout(0x36, v->tseng.crt36); /* overflow bits */ crout(0x37, v->tseng.crt37); /* overflow bits */ EISAOUTB(0x3c3, v->tseng.viden);/* video enable */
1993/0906		/* turn screen on */ srout(1, v->sequencer[1]);