xref: /csrg-svn/sys/luna68k/stand/kbd.c (revision 57087)

/*
 * Copyright (c) 1992 OMRON Corporation.
 * Copyright (c) 1992 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * OMRON Corporation.
 *
 * %sccs.include.redist.c%
 *
 *	@(#)kbd.c	7.1 (Berkeley) 12/13/92
 */

/*
 * kbd.c -- key-code decoding routine
 *   by A.Fujita, Dec-12-1992
 */

#include <sys/param.h>
#include <luna68k/stand/kbdreg.h>

struct kbd_keymap kbd_keymap[] = {
	KC_IGNORE,	0,		0,		/*   0 [0x00]	      */
	KC_IGNORE,	0,		0,		/*   1 [0x01]	      */
	KC_IGNORE,	0,		0,		/*   2 [0x02]	      */
	KC_IGNORE,	0,		0,		/*   3 [0x03]	      */
	KC_IGNORE,	0,		0,		/*   4 [0x04]	      */
	KC_IGNORE,	0,		0,		/*   5 [0x05]	      */
	KC_IGNORE,	0,		0,		/*   6 [0x06]	      */
	KC_IGNORE,	0,		0,		/*   7 [0x07]	      */
	KC_IGNORE,	0,		0,		/*   8 [0x08]	      */
	KC_CODE,	0x09,		0x09,		/*   9 [0x09]	TAB   */
	KC_SHIFT,	KS_CTRL,	KS_CTRL,	/*  10 [0x0A]	CTRL  */
	KC_IGNORE,	0,		0,		/*  11 [0x0B]	      */
	KC_SHIFT,	KS_SHIFT,	KS_SHIFT,	/*  12 [0x0C]	SHIFT */
	KC_SHIFT,	KS_SHIFT,	KS_SHIFT,	/*  13 [0x0D]	SHIFT */
	KC_IGNORE,	0,		0,		/*  14 [0x0E]	      */
	KC_SHIFT,	KS_META,	KS_META,	/*  15 [0x0F]	META  */
	KC_CODE,	0x1B,		0x1B,		/*  16 [0x10]	ESC   */
	KC_CODE,	0x08,		0x08,		/*  17 [0x11]	BS    */
	KC_CODE,	0x0D,		0x0D,		/*  18 [0x12]	CR    */
	KC_IGNORE,	0,		0,		/*  19 [0x13]	      */
	KC_CODE,	0x20,		0x20,		/*  20 [0x14]	SP    */
	KC_CODE,	0x7F,		0x7F,		/*  21 [0x15]	DEL   */
	KC_IGNORE,	0,		0,		/*  22 [0x16]	      */
	KC_IGNORE,	0,		0,		/*  23 [0x17]	      */
	KC_IGNORE,	0,		0,		/*  24 [0x18]	      */
	KC_IGNORE,	0,		0,		/*  25 [0x19]	      */
	KC_IGNORE,	0,		0,		/*  26 [0x1A]	      */
	KC_IGNORE,	0,		0,		/*  27 [0x1B]	      */
	KC_IGNORE,	0,		0,		/*  28 [0x1C]	      */
	KC_IGNORE,	0,		0,		/*  29 [0x1D]	      */
	KC_IGNORE,	0,		0,		/*  30 [0x1E]	      */
	KC_IGNORE,	0,		0,		/*  31 [0x1F]	      */
	KC_IGNORE,	0,		0,		/*  32 [0x20]	      */
	KC_IGNORE,	0,		0,		/*  33 [0x21]	      */
	KC_CODE,	0x31,		0x21,		/*  34 [0x22]	 1    */
	KC_CODE,	0x32,		0x22,		/*  35 [0x23]	 2    */
	KC_CODE,	0x33,		0x23,		/*  36 [0x24]	 3    */
	KC_CODE,	0x34,		0x24,		/*  37 [0x25]	 4    */
	KC_CODE,	0x35,		0x25,		/*  38 [0x26]	 5    */
	KC_CODE,	0x36,		0x26,		/*  39 [0x27]	 6    */
	KC_CODE,	0x37,		0x27,		/*  40 [0x28]	 7    */
	KC_CODE,	0x38,		0x28,		/*  41 [0x29]	 8    */
	KC_CODE,	0x39,		0x29,		/*  42 [0x2A]	 9    */
	KC_CODE,	0x30,		0x30,		/*  43 [0x2B]	 0    */
	KC_CODE,	0x2D,		0x3D,		/*  44 [0x2C]	 -    */
	KC_CODE,	0x5E,		0x7E,		/*  45 [0x2D]	 ^    */
	KC_CODE,	0x5C,		0x7C,		/*  46 [0x2E]	 \    */
	KC_IGNORE,	0,		0,		/*  47 [0x2F]	      */
	KC_IGNORE,	0,		0,		/*  48 [0x30]	      */
	KC_IGNORE,	0,		0,		/*  49 [0x31]	      */
	KC_CODE,	0x71,		0x51,		/*  50 [0x32]	 q    */
	KC_CODE,	0x77,		0x57,		/*  51 [0x33]	 w    */
	KC_CODE,	0x65,		0x45,		/*  52 [0x34]	 e    */
	KC_CODE,	0x72,		0x52,		/*  53 [0x35]	 r    */
	KC_CODE,	0x74,		0x54,		/*  54 [0x36]	 t    */
	KC_CODE,	0x79,		0x59,		/*  55 [0x37]	 y    */
	KC_CODE,	0x75,		0x55,		/*  56 [0x38]	 u    */
	KC_CODE,	0x69,		0x49,		/*  57 [0x39]	 i    */
	KC_CODE,	0x6F,		0x4F,		/*  58 [0x3A]	 o    */
	KC_CODE,	0x70,		0x50,		/*  59 [0x3B]	 p    */
	KC_CODE,	0x40,		0x60,		/*  60 [0x3C]	 @    */
	KC_CODE,	0x5B,		0x7B,		/*  61 [0x3D]	 [    */
	KC_IGNORE,	0,		0,		/*  62 [0x3E]	      */
	KC_IGNORE,	0,		0,		/*  63 [0x3F]	      */
	KC_IGNORE,	0,		0,		/*  64 [0x40]	      */
	KC_IGNORE,	0,		0,		/*  65 [0x41]	      */
	KC_CODE,	0x61,		0x41,		/*  66 [0x42]	 a    */
	KC_CODE,	0x73,		0x53,		/*  67 [0x43]	 s    */
	KC_CODE,	0x64,		0x44,		/*  68 [0x44]	 d    */
	KC_CODE,	0x66,		0x46,		/*  69 [0x45]	 f    */
	KC_CODE,	0x67,		0x47,		/*  70 [0x46]	 g    */
	KC_CODE,	0x68,		0x48,		/*  71 [0x47]	 h    */
	KC_CODE,	0x6A,		0x4A,		/*  72 [0x48]	 j    */
	KC_CODE,	0x6B,		0x4B,		/*  73 [0x49]	 k    */
	KC_CODE,	0x6C,		0x4C,		/*  74 [0x4A]	 l    */
	KC_CODE,	0x3B,		0x2B,		/*  75 [0x4B]	 ;    */
	KC_CODE,	0x3A,		0x2A,		/*  76 [0x4C]	 :    */
	KC_CODE,	0x5D,		0x7D,		/*  77 [0x4D]	 ]    */
	KC_IGNORE,	0,		0,		/*  78 [0x4E]	      */
	KC_IGNORE,	0,		0,		/*  79 [0x4F]	      */
	KC_IGNORE,	0,		0,		/*  80 [0x50]	      */
	KC_IGNORE,	0,		0,		/*  81 [0x51]	      */
	KC_CODE,	0x7A,		0x5A,		/*  82 [0x52]	 z    */
	KC_CODE,	0x78,		0x58,		/*  83 [0x53]	 x    */
	KC_CODE,	0x63,		0x43,		/*  84 [0x54]	 c    */
	KC_CODE,	0x76,		0x56,		/*  85 [0x55]	 v    */
	KC_CODE,	0x62,		0x42,		/*  86 [0x56]	 b    */
	KC_CODE,	0x6E,		0x4E,		/*  87 [0x57]	 n    */
	KC_CODE,	0x6D,		0x4D,		/*  88 [0x58]	 m    */
	KC_CODE,	0x2C,		0x3C,		/*  89 [0x59]	 ,    */
	KC_CODE,	0x2E,		0x3E,		/*  90 [0x5A]	 .    */
	KC_CODE,	0x2F,		0x3F,		/*  91 [0x5B]	 /    */
	KC_CODE,	0x5F,		0x5F,		/*  92 [0x5C]	 _    */
	KC_IGNORE,	0,		0,		/*  93 [0x5D]	      */
	KC_IGNORE,	0,		0,		/*  94 [0x5E]	      */
	KC_IGNORE,	0,		0,		/*  95 [0x5F]	      */
	KC_IGNORE,	0,		0,		/*  96 [0x60]	      */
	KC_IGNORE,	0,		0,		/*  97 [0x61]	      */
	KC_IGNORE,	0,		0,		/*  98 [0x62]	      */
	KC_IGNORE,	0,		0,		/*  99 [0x63]	      */
	KC_IGNORE,	0,		0,		/* 100 [0x64]	      */
	KC_IGNORE,	0,		0,		/* 101 [0x65]	      */
	KC_IGNORE,	0,		0,		/* 102 [0x66]	      */
	KC_IGNORE,	0,		0,		/* 103 [0x67]	      */
	KC_IGNORE,	0,		0,		/* 104 [0x68]	      */
	KC_IGNORE,	0,		0,		/* 105 [0x69]	      */
	KC_IGNORE,	0,		0,		/* 106 [0x6A]	      */
	KC_IGNORE,	0,		0,		/* 107 [0x6B]	      */
	KC_IGNORE,	0,		0,		/* 108 [0x6C]	      */
	KC_IGNORE,	0,		0,		/* 109 [0x6D]	      */
	KC_IGNORE,	0,		0,		/* 110 [0x6E]	      */
	KC_IGNORE,	0,		0,		/* 111 [0x6F]	      */
	KC_IGNORE,	0,		0,		/* 112 [0x70]	      */
	KC_IGNORE,	0,		0,		/* 113 [0x71]	      */
	KC_IGNORE,	0,		0,		/* 114 [0x72]	      */
	KC_IGNORE,	0,		0,		/* 115 [0x73]	      */
	KC_IGNORE,	0,		0,		/* 116 [0x74]	      */
	KC_IGNORE,	0,		0,		/* 117 [0x75]	      */
	KC_IGNORE,	0,		0,		/* 118 [0x76]	      */
	KC_IGNORE,	0,		0,		/* 119 [0x77]	      */
	KC_IGNORE,	0,		0,		/* 120 [0x78]	      */
	KC_IGNORE,	0,		0,		/* 121 [0x79]	      */
	KC_IGNORE,	0,		0,		/* 122 [0x7A]	      */
	KC_IGNORE,	0,		0,		/* 123 [0x7B]	      */
	KC_IGNORE,	0,		0,		/* 124 [0x7C]	      */
	KC_IGNORE,	0,		0,		/* 125 [0x7D]	      */
	KC_IGNORE,	0,		0,		/* 126 [0x7E]	      */
	KC_IGNORE,	0,		0,		/* 127 [0x7F]	      */
};

int	shift_flag = 0;
int	ctrl_flag  = 0;
int	meta_flag  = 0;

kbd_decode(code)
	register u_char code;
{
	register unsigned int c, updown;

	if (code & 0x80)
		updown = 1;
	else
		updown = 0;

	code &= 0x7F;

	c = kbd_keymap[code].km_type;

	switch(c) {

	case KC_CODE:
		if (updown)
			c = KC_IGNORE;
		break;

	case KC_SHIFT:
		switch(kbd_keymap[code].km_code[0]) {
		case KS_SHIFT:
			shift_flag = 1 - updown;
			break;

		case KS_CTRL:
			ctrl_flag  = 1 - updown;
			break;

		case KS_META:
			meta_flag  = 1 - updown;
			break;
		}
		break;

	default:
		break;
	}

	c |= kbd_keymap[code].km_code[shift_flag];

	if (kbd_keymap[code].km_type == KC_CODE) {
		if (meta_flag)
			c |= 0x0080;
		if (ctrl_flag)
			c &= 0xFF1F;
	}

	return(c);
}