1993/1230/carrera/screen.c (diff list | history)

1993/1228/sys/src/9/carrera/screen.c:172,185 – 1993/1230/sys/src/9/carrera/screen.c:172,185 (short | long | prev | next)
1993/0906		{
1993/1222		int i, x;
1993/0907
1993/1230		gscreen.ldepth = 0;
1993/0906		setmode(&dfltmode);
1993/1222		gscreen.ldepth = 3; for(i = 0; i < 16; i++){ x = x6to32((i*63)/15); setcolor(i, x, x, x); } gscreen.ldepth = 0;
1993/0918		/* allocate a new soft bitmap area */ gscreen.base = xalloc(1024*1024);
1993/1228/sys/src/9/carrera/screen.c:303,309 – 1993/1230/sys/src/9/carrera/screen.c:303,320
1993/0906		void getcolor(ulong p, ulong *pr, ulong *pg, ulong *pb) {
1993/0918		p &= (1<<(1<<gscreen.ldepth))-1;
1993/1230		ulong x; switch(gscreen.ldepth){ default: x = 0xf; break; case 3: x = 0xff; break; } p &= x; p ^= x;
1993/0918		*pr = colormap[p][0]; *pg = colormap[p][1]; *pb = colormap[p][2];
1993/1228/sys/src/9/carrera/screen.c:312,318 – 1993/1230/sys/src/9/carrera/screen.c:323,340
1993/0906		int setcolor(ulong p, ulong r, ulong g, ulong b) {
1993/0918		p &= (1<<(1<<gscreen.ldepth))-1;
1993/1230		ulong x; switch(gscreen.ldepth){ default: x = 0xf; break; case 3: x = 0xff; break; } p &= x; p ^= x;
1993/0918		colormap[p][0] = r; colormap[p][1] = g; colormap[p][2] = b;
1993/1228/sys/src/9/carrera/screen.c:442,448 – 1993/1230/sys/src/9/carrera/screen.c:464,477
1993/0906		for(i = 0; i < sizeof(v->attribute); i++) arout(i, v->attribute[i]);
1993/0907
1993/1224		EISAOUTB(0x3C6, 0x0F); /* pel mask */
1993/1230		switch(gscreen.ldepth){ case 3: EISAOUTB(0x3C6, 0xFF); /* pel mask */ break; default: EISAOUTB(0x3C6, 0x0F); /* pel mask */ break; }
1993/0907		EISAOUTB(0x3C8, 0x00); /* pel write address */
1993/0918
1993/0907		EISAOUTB(0x3bf, 0x03); /* hercules compatibility reg */
1993/1228/sys/src/9/carrera/screen.c:522,529 – 1993/1230/sys/src/9/carrera/screen.c:551,558
1993/1003		for(i = 0; i < len; i += 8) { s = (ulong*)(sp+i); h = (ulong*)(hp+i);
1993/1224		in1 = ~s[0]; in2 = ~s[1];
1993/1230		in1 = s[0]; in2 = s[1];
1993/1003		h[0] = swiz(in2); h[1] = swiz(in1); }