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/*-
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 * Copyright (c) 2005, Kohsuke Ohtani
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. Neither the name of the author nor the names of any co-contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 */
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/*
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 * lcd.h - GBA LCD definition
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 */
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/**
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 * Memo: Map/Tile Location
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 *
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 *  BG1 ... Keyboard1 (normal)
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 *  BG2 ... Keyboard2 (shifted)
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 *  BG3 ... Text
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 *
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 *  +------------+ 6010000
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 *  |            |
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 *  |            |
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 *  |            |
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 *  |            |
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 *  |            |
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 *  +------------+ 600C000
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 *  |  BG2 MAP   |
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 *  +------------+ 600A000
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 *  |  BG1 MAP   |
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 *  +------------+ 6009000
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 *  |  BG3 MAP   |
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 *  +------------+ 6008000
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 *  |   Tile 2   |
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 *  |(KBD2)      |
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 *  |- - - - - - | 6006000
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 *  |            |
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 *  |(KBD1)      |
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 *  +------------+ 6004000
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 *  |   Tile 1   |
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 *  |            |
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 *  |            |
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 *  |            |
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 *  |(Font)      |
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 *  +------------+ 6000000
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 */
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#define VSCR_COLS        32
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#define SCR_COLS        30
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#define SCR_ROWS        20
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/* Registers for keypad control */
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#define REG_DISPCNT        (*(volatile uint16_t *)0x4000000)
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#define REG_BG0CNT        (*(volatile uint16_t *)0x4000008)
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#define REG_BG1CNT        (*(volatile uint16_t *)0x400000A)
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#define REG_BG2CNT        (*(volatile uint16_t *)0x400000C)
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#define REG_BG3CNT        (*(volatile uint16_t *)0x400000E)
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#define BG_PALETTE        (uint16_t *)0x5000000
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#define CONSOLE_TILE        (uint16_t *)0x6000000
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#define CONSOLE_MAP        (uint16_t *)0x6008000
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#define KBD1_TILE        (uint16_t *)0x6004000
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#define KBD2_TILE        (uint16_t *)0x6006000
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#define KBD1_MAP        (uint16_t *)0x6009000
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#define KBD2_MAP        (uint16_t *)0x600A000
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#define OAM                (uint16_t *)0x7000000
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#define SPL_PALETTE        (uint16_t *)0x5000200
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#define CURSOR_DATA        (uint16_t *)0x6010000
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#define        RGB(r, g, b)        (((b) << 10) + ((g) << 5) + (r))