From 8be09ca8b33fd584476430c8407f0c4bcfbd9c9a Mon Sep 17 00:00:00 2001
From: kato <kato@FreeBSD.org>
Date: Sat, 25 Jan 1997 06:38:14 +0000
Subject: [PATCH] Synchronize with sys/i386/isa/syscons.{c,h} rev. 1.199 and
 1.27, respectively.

---
 sys/pc98/pc98/syscons.c | 36 +++++++++++++++++++++++++++++++++++-
 sys/pc98/pc98/syscons.h |  2 ++
 2 files changed, 37 insertions(+), 1 deletion(-)

diff --git a/sys/pc98/pc98/syscons.c b/sys/pc98/pc98/syscons.c
index 774767510bab..64f758ddd5a1 100644
--- a/sys/pc98/pc98/syscons.c
+++ b/sys/pc98/pc98/syscons.c
@@ -2021,6 +2021,16 @@ scan_esc(scr_stat *scp, u_char c)
 #endif
 	switch (c) {
 
+	case '7':   /* Save cursor position */
+	    scp->saved_xpos = scp->xpos;
+	    scp->saved_ypos = scp->ypos;
+	    break;
+
+	case '8':   /* Restore saved cursor position */
+	    if (scp->saved_xpos >= 0 && scp->saved_ypos >= 0)
+		move_crsr(scp, scp->saved_xpos, scp->saved_ypos);
+	    break;
+
 	case '[':   /* Start ESC [ sequence */
 	    scp->term.esc = 2;
 	    scp->term.last_param = -1;
@@ -2162,6 +2172,7 @@ scan_esc(scr_stat *scp, u_char c)
     		mark_for_update(scp, scp->cursor_atr - scp->atr_buf);
 #endif
     		mark_for_update(scp, scp->xsize * scp->ysize);
+		remove_cutmarking(scp);
 		break;
 	    case 1: /* clear from beginning of display to cursor */
 #ifdef PC98
@@ -2181,9 +2192,20 @@ scan_esc(scr_stat *scp, u_char c)
 #ifdef PC98
     		mark_for_update(scp, scp->cursor_atr - scp->atr_buf);
 #endif
+		remove_cutmarking(scp);
 		break;
 	    case 2: /* clear entire display */
-		clear_screen(scp);
+#ifdef PC98
+		fillw(scr_map[0x20], scp->scr_buf,
+		      scp->xsize * scp->ysize);
+		fillw(at2pc98(scp->term.cur_color), scp->atr_buf,
+		      scp->xsize * scp->ysize);
+#else
+		fillw(scp->term.cur_color | scr_map[0x20], scp->scr_buf,
+		      scp->xsize * scp->ysize);
+#endif
+		mark_all(scp);
+		remove_cutmarking(scp);
 		break;
 	    }
 	    break;
@@ -2515,6 +2537,16 @@ scan_esc(scr_stat *scp, u_char c)
 	    }
 	    break;
 
+	case 's':   /* Save cursor position */
+	    scp->saved_xpos = scp->xpos;
+	    scp->saved_ypos = scp->ypos;
+	    break;
+
+	case 'u':   /* Restore saved cursor position */
+	    if (scp->saved_xpos >= 0 && scp->saved_ypos >= 0)
+		move_crsr(scp, scp->saved_xpos, scp->saved_ypos);
+	    break;
+
 	case 'x':
 	    if (scp->term.num_param == 0)
 		n = 0;
@@ -3280,6 +3312,8 @@ init_scp(scr_stat *scp)
     scp->font_size = FONT_16;
     scp->xsize = COL;
     scp->ysize = ROW;
+    scp->xpos = scp->ypos = 0;
+    scp->saved_xpos = scp->saved_ypos = -1;
     scp->start = scp->xsize * scp->ysize;
     scp->end = 0;
     scp->term.esc = 0;
diff --git a/sys/pc98/pc98/syscons.h b/sys/pc98/pc98/syscons.h
index 1d6ec83e47e4..6c3348b27d8c 100644
--- a/sys/pc98/pc98/syscons.h
+++ b/sys/pc98/pc98/syscons.h
@@ -168,6 +168,8 @@ typedef struct scr_stat {
 #endif
 	int 		xpos;			/* current X position */
 	int 		ypos;			/* current Y position */
+	int             saved_xpos;             /* saved X position */
+	int             saved_ypos;             /* saved Y position */
 	int 		xsize;			/* X text size */
 	int 		ysize;			/* Y text size */
 	int 		xpixel;			/* X graphics size */