cmenu: implement gotoxy using escape sequences

Use ansicon and the ANSI CUP - CUrsor Position escape sequence
to implement the gotoxy function.

Note: page switching is not supported (yet).

Testing Done: ran com32/cmenu/test.c32 in qemu.

Signed-off-by: Pierre-Alexandre Meyer <pierre@mouraf.org>

3 files changed, 12 insertions, 9 deletions

diff --git a/com32/cmenu/libmenu/com32io.c b/com32/cmenu/libmenu/com32io.c
index d99eb87f..a53b614d 100644
--- a/com32/cmenu/libmenu/com32io.c
+++ b/com32/cmenu/libmenu/com32io.c
@@ -51,14 +51,6 @@ void getpos(char *row, char *col, char page)
     *col = REG_DL(outreg);
 }
 
-void gotoxy(char row, char col, char page)
-{
-    REG_AH(inreg) = 0x02;
-    REG_BH(inreg) = page;
-    REG_DX(inreg) = (row << 8) + col;
-    __intcall(0x10, &inreg, &outreg);
-}
-
 unsigned char sleep(unsigned int msec)
 {
     unsigned long micro = 1000 * msec;
diff --git a/com32/cmenu/libmenu/com32io.h b/com32/cmenu/libmenu/com32io.h
index cdaf0a84..55d01896 100644
--- a/com32/cmenu/libmenu/com32io.h
+++ b/com32/cmenu/libmenu/com32io.h
@@ -14,11 +14,14 @@
 #define __COM32IO_H__
 
 #include <com32.h>
+#include <stdio.h>
 
 #ifndef NULL
 #define NULL ((void *)0)
 #endif
 
+#define CSI "\e["
+
 /* BIOS Assisted output routines */
 
 void cswprint(const char *str, char attr, char left);
@@ -37,7 +40,11 @@ void setdisppage(char num);	// Set the display page to specified number
 
 char getdisppage();		// Get current display page
 
-void gotoxy(char row, char col, char page);
+static inline void gotoxy(char row, char col, char page)
+{
+	// XXX page
+	printf(CSI "%d;%dH", row + 1, col + 1);
+}
 
 void getpos(char *row, char *col, char page);
 
diff --git a/com32/cmenu/libmenu/menu.c b/com32/cmenu/libmenu/menu.c
index cfe8f39f..4abc7b5a 100644
--- a/com32/cmenu/libmenu/menu.c
+++ b/com32/cmenu/libmenu/menu.c
@@ -13,6 +13,7 @@
 #include "menu.h"
 #include "com32io.h"
 #include <stdlib.h>
+#include <console.h>
 
 // Local Variables
 static pt_menusystem ms;	// Pointer to the menusystem
@@ -851,6 +852,9 @@ pt_menusystem init_menusystem(const char *title)
 
     // Set up the look of the box
     set_box_type(MENUBOXTYPE);
+
+	openconsole(&dev_stdcon_r, &dev_ansiserial_w);
+
     return ms;
 }