1991/0801/pc/vga.c (diff list | history)

1991/0731/sys/src/9/pc/vga.c:167,192 – 1991/0801/sys/src/9/pc/vga.c:167,191 (short | long | prev | next)
1991/0730		srout(Smmask, 0x0f); /* enable all 4 color planes for writing */
1991/0724
1991/0727		/*
1991/0801		* swizzle the font longs. * we do it here since the font is initialized with big endian longs. */ defont = &defont0; l = defont->bits->base; for(i = defont->bits->width*Dy(defont->bits->r); i > 0; i--, l++) *l = (*l<<24) | ((*l>>8)&0x0000ff00) | ((*l<<8)&0x00ff0000) | (*l>>24); /*
1991/0727		* zero out display */
1991/0730		defont = &defont0; /* save space; let bitblt do the conversion work */ gbitblt(&gscreen, Pt(0, 0), &gscreen, gscreen.r, 0); /**/
1991/0801		gbitblt(&gscreen, Pt(0, 0), &gscreen, gscreen.r, flipD[0]);
1991/0730		/* * stick print at the top
1991/0801		* start printing at the top of screen
1991/0730		*/ out.pos.x = MINX; out.pos.y = 0; out.bwid = defont0.info[' '].width;                  /* * swizzle the damn font longs. * we do it here since the font is in a machine independent (i.e. * made for the 68020) format. */ l = defont->bits->base; for(i = defont->bits->width*Dy(defont->bits->r); i > 0; i--, l++) *l = (*l<<24) | ((*l>>8)&0x0000ff00) | ((*l<<8)&0x00ff0000) | (*l>>24);
1991/0723		}
1991/0727
1991/0730		void
1991/0731/sys/src/9/pc/vga.c:201,207 – 1991/0801/sys/src/9/pc/vga.c:200,206
1991/0730		if(out.pos.y > gscreen.r.max.y-defont0.height) out.pos.y = gscreen.r.min.y; gbitblt(&gscreen, Pt(0, out.pos.y), &gscreen, Rect(0, out.pos.y, gscreen.r.max.x, out.pos.y+2*defont0.height), 0);
1991/0801		Rect(0, out.pos.y, gscreen.r.max.x, out.pos.y+2*defont0.height), flipD[0]);
1991/0730		}else if(c == '\t'){ out.pos.x += (8-((out.pos.x-MINX)/out.bwid&7))*out.bwid; if(out.pos.x >= gscreen.r.max.x)
1991/0731/sys/src/9/pc/vga.c:217,223 – 1991/0801/sys/src/9/pc/vga.c:216,222
1991/0730		screenputc('\n'); buf[0] = c&0x7F; buf[1] = 0; out.pos = gstring(&gscreen, out.pos, defont, buf, S);
1991/0801		out.pos = gstring(&gscreen, out.pos, defont, buf, flipD[S]);
1991/0730		} }