From 510811554b97c29077cc0a07fff09ec005f380fb Mon Sep 17 00:00:00 2001
From: Pierre-Alexandre Meyer <pierre@mouraf.org>
Date: Sun, 30 Aug 2009 17:14:02 -0700
Subject: [PATCH] Revert "ansicon: allow to pass page # to write functions"

We shouldn't be using any pages, as there is no support on the
serial line.

This reverts commit e9b317fd0dc87dc93a49bc40520f4bdd0264d746.
---
 com32/lib/sys/ansi.c          |  4 ++--
 com32/lib/sys/ansi.h          |  9 ++-------
 com32/lib/sys/ansicon_write.c | 18 ++++++++++++------
 3 files changed, 16 insertions(+), 15 deletions(-)

diff --git a/com32/lib/sys/ansi.c b/com32/lib/sys/ansi.c
index 43b3b65..7d58085 100644
--- a/com32/lib/sys/ansi.c
+++ b/com32/lib/sys/ansi.c
@@ -123,7 +123,7 @@ void __ansi_putchar(const struct term_info *ti, uint8_t ch)
 		if (st->vtgraphics && (ch & 0xe0) == 0x60)
 		    ch = decvt_to_cp437[ch - 0x60];
 
-		op->write_char(xy.x, xy.y, BIOS_PAGE, ch, st);
+		op->write_char(xy.x, xy.y, ch, st);
 		xy.x++;
 	    }
 	    break;
@@ -430,6 +430,6 @@ void __ansi_putchar(const struct term_info *ti, uint8_t ch)
     }
 
     /* Update cursor position */
-    op->set_cursor(xy.x, xy.y, BIOS_PAGE, st->cursor);
+    op->set_cursor(xy.x, xy.y, st->cursor);
     st->xy = xy;
 }
diff --git a/com32/lib/sys/ansi.h b/com32/lib/sys/ansi.h
index 1e03424..0d1f102 100644
--- a/com32/lib/sys/ansi.h
+++ b/com32/lib/sys/ansi.h
@@ -9,11 +9,6 @@
 
 #define ANSI_MAX_PARMS	16
 
-#define BIOS_CURXY ((struct curxy *)0x450)	/* Array for each page */
-#define BIOS_ROWS (*(uint8_t *)0x484)	/* Minus one; if zero use 24 (= 25 lines) */
-#define BIOS_COLS (*(uint16_t *)0x44A)	/* Number of columns on screen */
-#define BIOS_PAGE (*(uint8_t *)0x462)	/* Current page number  */
-
 enum ansi_state {
     st_init,
     st_esc,
@@ -48,10 +43,10 @@ struct term_state {
 struct ansi_ops {
     void (*erase) (const struct term_state * st, int x0, int y0, int x1,
 		   int y1);
-    void (*write_char) (int x, int y, int page, uint8_t ch, const struct term_state * st);
+    void (*write_char) (int x, int y, uint8_t ch, const struct term_state * st);
     void (*showcursor) (const struct term_state * st);
     void (*scroll_up) (const struct term_state * st);
-    void (*set_cursor) (int x, int y, int page, int visible);
+    void (*set_cursor) (int x, int y, int visible);
     void (*beep) (void);
 };
 
diff --git a/com32/lib/sys/ansicon_write.c b/com32/lib/sys/ansicon_write.c
index 8ec16b0..7c2754e 100644
--- a/com32/lib/sys/ansicon_write.c
+++ b/com32/lib/sys/ansicon_write.c
@@ -44,10 +44,10 @@
 #include "ansi.h"
 
 static void ansicon_erase(const struct term_state *, int, int, int, int);
-static void ansicon_write_char(int, int, int, uint8_t, const struct term_state *);
+static void ansicon_write_char(int, int, uint8_t, const struct term_state *);
 static void ansicon_showcursor(const struct term_state *);
 static void ansicon_scroll_up(const struct term_state *);
-static void ansicon_set_cursor(int, int, int, int);
+static void ansicon_set_cursor(int, int, int);
 
 static struct term_state ts;
 struct ansi_ops __ansicon_ops = {
@@ -65,6 +65,11 @@ static struct term_info ti = {
     .op = &__ansicon_ops
 };
 
+#define BIOS_CURXY ((struct curxy *)0x450)	/* Array for each page */
+#define BIOS_ROWS (*(uint8_t *)0x484)	/* Minus one; if zero use 24 (= 25 lines) */
+#define BIOS_COLS (*(uint16_t *)0x44A)
+#define BIOS_PAGE (*(uint8_t *)0x462)
+
 /* Reference counter to the screen, to keep track of if we need
    reinitialization. */
 static int ansicon_counter = 0;
@@ -171,8 +176,9 @@ static void ansicon_showcursor(const struct term_state *st)
     __intcall(0x10, &ireg, NULL);
 }
 
-static void ansicon_set_cursor(int x, int y, int page, int visible)
+static void ansicon_set_cursor(int x, int y, int visible)
 {
+    const int page = BIOS_PAGE;
     struct curxy xy = BIOS_CURXY[page];
     static com32sys_t ireg;
 
@@ -187,16 +193,16 @@ static void ansicon_set_cursor(int x, int y, int page, int visible)
     }
 }
 
-static void ansicon_write_char(int x, int y, int page, uint8_t ch,
+static void ansicon_write_char(int x, int y, uint8_t ch,
 			       const struct term_state *st)
 {
     static com32sys_t ireg;
 
-    ansicon_set_cursor(x, y, 0, page);
+    ansicon_set_cursor(x, y, 0);
 
     ireg.eax.b[1] = 0x09;
     ireg.eax.b[0] = ch;
-    ireg.ebx.b[1] = page;
+    ireg.ebx.b[1] = BIOS_PAGE;
     ireg.ebx.b[0] = ansicon_attribute(st);
     ireg.ecx.w[0] = 1;
     __intcall(0x10, &ireg, NULL);
-- 
2.7.4