Remove legacy boot monitor vars

drivers/bios_wini/bios_wini.c

@@ -37,8 +37,6 @@
 #define SUB_PER_DRIVE	(NR_PARTITIONS * NR_PARTITIONS)
 #define NR_SUBDEVS	(MAX_DRIVES * SUB_PER_DRIVE)
 
-PRIVATE int pc_at = 1;	/* What about PC XTs? */
-
 /* Variables. */
 PRIVATE struct wini {		/* main drive struct, one entry per drive */
   unsigned cylinders;		/* number of cylinders */
@@ -466,11 +464,9 @@ PRIVATE void w_init()
 	reg86.u.w.bx = 0x55AA;
 	reg86.u.b.dl = drive_id;
 
-	if (pc_at) {
-		r= sys_int86(&reg86);
-		if (r != OK)
-			panic("BIOS call failed: %d", r);
-	}
+	r= sys_int86(&reg86);
+	if (r != OK)
+	    panic("BIOS call failed: %d", r);
 
 	if (!(reg86.u.w.f & 0x0001) && reg86.u.w.bx == 0xAA55
 				&& (reg86.u.w.cx & 0x0001)) {

drivers/tty/console.c

@@ -950,7 +950,7 @@ tty_t *tp;
   	vid_port = bios_crtbase;
   	scr_width = bios_columns;
   	font_lines = bios_fontlines;
-  	scr_lines = machine.vdu_ega ? bios_rows+1 : 25;
+	scr_lines = bios_rows+1;
 
   	if (color) {
 		vid_base = COLOR_BASE;
@@ -959,8 +959,8 @@ tty_t *tp;
 		vid_base = MONO_BASE;
 		vid_size = MONO_SIZE;
   	}
-  	if (machine.vdu_ega) vid_size = EGA_SIZE;
-  	wrap = ! machine.vdu_ega;
+	vid_size = EGA_SIZE;
+	wrap = 0;
 
 	console_memory = vm_map_phys(SELF, (void *) vid_base, vid_size);
 
@@ -1202,7 +1202,6 @@ message *m;
 
   seq2[6].value= color ? 0x0E : 0x0A;
 
-  if (!machine.vdu_ega) return(ENOTTY);
   result = ga_program(seq1);	/* bring font memory into view */
 
   if(sys_safecopyfrom(m->m_source, (cp_grant_id_t) m->IO_GRANT, 0,

drivers/tty/keyboard.c

@@ -838,7 +838,6 @@ PRIVATE void set_leds()
 {
 /* Set the LEDs on the caps, num, and scroll lock keys */
   int s;
-  if (! machine.pc_at) return;	/* PC/XT doesn't have LEDs */
 
   kb_wait();			/* wait for buffer empty  */
   if ((s=sys_outb(KEYBD, LED_CODE)) != OK)