1 files changed, 128 insertions, 0 deletions
diff --git a/loader/kon2/include/vt.h b/loader/kon2/include/vt.h
new file mode 100644
index 000000000..e019568a3
--- /dev/null
+++ b/loader/kon2/include/vt.h
@@ -0,0 +1,128 @@
+/*
+ * KON2 - Kanji ON Console -
+ * Copyright (C) 1992-1996 Takashi MANABE (manabe@papilio.tutics.tut.ac.jp)
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY TAKASHI MANABE ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE TERRENCE R. LAMBERT BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * 
+ */
+
+/* vt -- VT emulator */
+
+#ifndef VT_H
+#define VT_H
+
+#include	<defs.h>
+#include	<fnld.h>
+
+struct _con_info {
+    short
+	x,
+	y,
+	xmax,	/* 79 */
+	ymin,	/* 0:スクロール開始行 */
+	ymax,	/* 29 */
+	tab;	/* 8 */
+    u_char
+	fcol,	/* フォアグランド */
+	bcol,	/* バックグランド */
+	attr,	/* 文字属性 */
+	sb,	/* 1 byte code フォント番号 */
+	db,	/* 2 byte code フォント番号 */
+	knj1;	/* 漢字キャラクタ第 1 byte */
+    void (*esc)(u_char);
+    enum {
+	CS_LEFT,
+	CS_RIGHT,
+	CS_GRAPH,
+	CS_DBCS} trans, g[2];
+    enum {
+	SL_NONE,
+	SL_ENTER,
+	SL_LEAVE} sl;
+    bool
+	soft,
+	ins,
+	active,
+	wrap,
+	text_mode;
+};
+
+extern struct	_con_info con;
+
+#define	CODE_2022	0	/* 2022 のみに従う*/
+#define	CODE_EUC	1	/* EUC にも従う */
+#define	CODE_SJIS	2	/* SJIS にも従う */
+
+#define	G0_SET	0
+#define	G1_SET	0x80
+
+extern void	VtInit(void);
+extern void	VtStart(void);
+extern void	VtEmu(const char*, int nchars);
+extern void	VtCleanup(void);
+
+#define	sjistojis(ch, cl)\
+{\
+    ch -= (ch > 0x9F) ? 0xB1: 0x71;\
+    ch = ch * 2 + 1;\
+    if (cl > 0x9E) {\
+	cl = cl - 0x7E;\
+	ch ++;\
+    } else {\
+	if (cl > 0x7E) cl --;\
+	cl -= 0x1F;\
+    }\
+}
+
+#define	jistosjis(ch, cl)\
+{\
+    if (ch & 1) cl = cl + (cl > 0x5F ? 0x20:0x1F);\
+    else cl += 0x7E;\
+    ch = ((ch - 0x21) >> 1) + 0x81;\
+    if (ch > 0x9F) ch += 0x40;\
+}
+
+/*
+  derived from Mule:codeconv.c to support "ESC $(0" sequence
+  thanks to K.Handa <handa@etl.go.jp>
+  */
+
+#define muletobig5(type, m1, m2)\
+{\
+    unsigned code = (m1 - 0x21) * 94 + (m2 - 0x21);\
+\
+    if (type == DF_BIG5_1) code += 0x16F0;\
+    m1 = code / 157 + 0xA1;\
+    m2 = code % 157;\
+    m2 += m2 < 0x3F ? 64 : 98;\
+}
+
+enum {
+    DF_GB2312,
+    DF_JISX0208,
+    DF_KSC5601,
+    DF_JISX0212,
+    DF_BIG5_0,
+    DF_BIG5_1
+    };
+
+#endif