retire the dec alpha port

1 files changed, 0 insertions, 113 deletions

diff --git a/sys/src/9/alphapc/cga.c b/sys/src/9/alphapc/cga.c
deleted file mode 100644
index c216617b7..000000000
--- a/sys/src/9/alphapc/cga.c
+++ /dev/null
@@ -1,113 +0,0 @@
-#include "u.h"
-#include "../port/lib.h"
-#include "mem.h"
-#include "dat.h"
-#include "fns.h"
-#include "../port/error.h"
-#include "io.h"
-
-enum {
-	Width		= 160,
-	Height		= 25,
-
-	Attr		= 0x4f,	/* white on blue */
-};
-
-static ulong	cgabase;
-#define CGASCREENBASE	((uchar*)cgabase)
-
-static int cgapos;
-static int screeninitdone;
-static Lock cgascreenlock;
-
-static uchar
-cgaregr(int index)
-{
-	outb(0x3D4, index);
-	return inb(0x3D4+1) & 0xFF;
-}
-
-static void
-cgaregw(int index, int data)
-{
-	outb(0x3D4, index);
-	outb(0x3D4+1, data);
-}
-
-static void
-movecursor(void)
-{
-	cgaregw(0x0E, (cgapos/2>>8) & 0xFF);
-	cgaregw(0x0F, cgapos/2 & 0xFF);
-	CGASCREENBASE[cgapos+1] = Attr;
-}
-
-static void
-cgascreenputc(int c)
-{
-	int i;
-
-	if(c == '\n'){
-		cgapos = cgapos/Width;
-		cgapos = (cgapos+1)*Width;
-	}
-	else if(c == '\t'){
-		i = 8 - ((cgapos/2)&7);
-		while(i-->0)
-			cgascreenputc(' ');
-	}
-	else if(c == '\b'){
-		if(cgapos >= 2)
-			cgapos -= 2;
-		cgascreenputc(' ');
-		cgapos -= 2;
-	}
-	else{
-		CGASCREENBASE[cgapos++] = c;
-		CGASCREENBASE[cgapos++] = Attr;
-	}
-	if(cgapos >= Width*Height){
-		memmove(CGASCREENBASE, &CGASCREENBASE[Width], Width*(Height-1));
-		for (i = Width*(Height-1); i < Width*Height;) {
-			CGASCREENBASE[i++] = 0x20;
-			CGASCREENBASE[i++] = Attr;
-		}
-		cgapos = Width*(Height-1);
-	}
-	movecursor();
-}
-
-void
-screeninit(void)
-{
-	cgabase = (ulong)arch->pcimem(0xB8000, 0x8000);
-
-	cgapos = cgaregr(0x0E)<<8;
-	cgapos |= cgaregr(0x0F);
-	cgapos *= 2;
-	screeninitdone = 1;
-}
-
-static void
-cgascreenputs(char* s, int n)
-{
-	if(!screeninitdone)
-		return;
-	if(!islo()){
-		/*
-		 * Don't deadlock trying to
-		 * print in an interrupt.
-		 */
-		if(!canlock(&cgascreenlock))
-			return;
-	}
-	else
-		lock(&cgascreenlock);
-
-	while(n-- > 0)
-		cgascreenputc(*s++);
-
-	unlock(&cgascreenlock);
-}
-
-void (*screenputs)(char*, int) = cgascreenputs;