Delete cga.cc

cga.cc

@@ -1,34 +0,0 @@
-unsigned char* buffer = (unsigned char*) 0xb8000;
-
-
-char make_attribute ( char foreground ,
-		char background , char blink ) {
-	foreground &= 0 xf ; // ffff ffff -> 0000 ffff
-	background &= 0 x7 ; // bbbb bbbb -> 0000 0 bbb
-	blink &= 1; // BBBB BBBB -> 0000 000 B
-	background <<= 4; // 0000 0 bbb -> 0 bbb 0000
-	blink <<= 7; // 0000 000 B -> B000 0000
-	return foreground | background | blink ; // Bbbb ffff
-}
-
-int puts(const char *s){
-    for(int i=0; *(s+i) != 0; i++){
-	buffer[2*i] = *(s+i);
-	buffer[(2*i)+1] = 0x14;
-    }
-    return 0;
-}
-
-void clear_display(void){
-    for(int i=0; i<(80*25); i++){
-	buffer[i] = 0;
-    }
-}
-
-void iterate(void){
-    for(int i=0; i<(80*25); i++){
-	buffer[2*i] = i%256;
-	buffer[1+(2*i)] = i%256;
-    }
-} 
-