#ifndef _H8_SAMPLE_H
#define _H8_SAMPLE_H

// 一般的なI/Oレジスタのビットフィールド定義
typedef union {
	unsigned char BYTE;
	struct {
		unsigned char B7:1;
		unsigned char B6:1;
		unsigned char B5:1;
		unsigned char B4:1;
		unsigned char B3:1;
		unsigned char B2:1;
		unsigned char B1:1;
		unsigned char B0:1;
	} BIT;
} _IOREG;

// AKI-3069用ポート4ビットフィールド定義
typedef union {
	unsigned char BYTE;
	struct {
		unsigned char LED2:1;
		unsigned char LED1:1;
		unsigned char E:1;
		unsigned char RS:1;
		unsigned char D:4;
	} BIT;
} _LCDREG;


// 8ビットタイマー用

// タイマーコントロールレジスタ
typedef union {
	unsigned char BYTE;
	struct {
		unsigned char CMIEB:1;
		unsigned char CMIEA:1;
		unsigned char OVIE:1;
		unsigned char CCLR:2;
		unsigned char CKS:3;
	} BIT;
} _8TCR;

// タイマーコントロール/ステータスレジスタ
typedef union {
	unsigned char BYTE;
	struct {
		unsigned char CMFB:1;
		unsigned char CMFA:1;
		unsigned char OVF:1;
		unsigned char ADTE_ICE:1;
		unsigned char OIS:2;
		unsigned char OS:2;
	} BIT;
} _8TCSR;

// バス幅コントロールレジスタ
#define ABWCR	(*(volatile _IOREG *)0xFEE020)

// 汎用I/Oポートデータディレクションレジスタ

#define P1DDR	(*(volatile _IOREG *)0xFEE000)
#define P2DDR	(*(volatile _IOREG *)0xFEE001)
#define P3DDR	(*(volatile _IOREG *)0xFEE002)
#define P4DDR	(*(volatile _IOREG *)0xFEE003)
#define P5DDR	(*(volatile _IOREG *)0xFEE004)
#define P6DDR	(*(volatile _IOREG *)0xFEE005)
#define P7DDR	(*(volatile _IOREG *)0xFEE006)
#define P8DDR	(*(volatile _IOREG *)0xFEE007)
#define P9DDR	(*(volatile _IOREG *)0xFEE008)
#define PADDR	(*(volatile _IOREG *)0xFEE009)
#define PBDDR	(*(volatile _IOREG *)0xFEE00A)

// 秋月ベースボード用

#define P4DR	(*(volatile _IOREG *)0xFFFFD3)
#define LCD		(*(volatile _LCDREG *)0xFFFFD3)
#define P4PCR	(*(volatile _IOREG *)0xFEE03E)

#define P5DR	(*(volatile _IOREG *)0xFFFFD4)
#define P5PCR	(*(volatile _IOREG *)0xFEE03F)



// 8ビットタイマーレジスタ定義

#define T8TCNT0		(*(volatile unsigned char *)0xFFFF88)
#define T8TCNT1		(*(volatile unsigned char *)0xFFFF89)
#define T8TCNT		(*(volatile unsigned short *)0xFFFF88)

#define T8TCORA0	(*(volatile unsigned char *)0xFFFF84)
#define T8TCORA1	(*(volatile unsigned char *)0xFFFF85)
#define T8TCORA		(*(volatile unsigned short *)0xFFFF84)

#define T8TCORB0	(*(volatile unsigned char *)0xFFFF86)
#define T8TCORB1	(*(volatile unsigned char *)0xFFFF87)
#define T8TCORB		(*(volatile unsigned short *)0xFFFF86)

#define T8TCR0		(*(volatile _8TCR *)0xFFFF80)
#define T8TCR1 		(*(volatile _8TCR *)0xFFFF81)

#define T8TCSR0		(*(volatile _8TCSR *)0xFFFF82)
#define T8TCSR1		(*(volatile _8TCSR *)0xFFFF83)


// DRAM初期化関連

// リフレッシュタイムコンスタントレジスタ
#define RTCOR	(*(volatile unsigned char *)0xFEE02A)

// リフレッシュタイマーコントロールレジスタ
typedef union {
	unsigned char BYTE;
	struct {
		unsigned char CMF:1;
		unsigned char CMIE:1;
		unsigned char CKS:3;
		unsigned char RESERVE:3;
	} BIT;
} _RTMCSR;
#define RTMCSR  (*(volatile _RTMCSR *)0xFEE028)

// DRAMコントロールレジスタA
typedef union {
	unsigned char BYTE;
	struct {
		unsigned char DRAS:3;
		unsigned char RESERVE:1;
		unsigned char BE:1;
		unsigned char RDM:1;
		unsigned char SRFMD:1;
		unsigned char RFSHE:1;
	} BIT;
} _DRCRA;
#define DRCRA   (*(volatile _DRCRA *)0xFEE026)


// DRAMコントロールレジスタB
typedef union {
	unsigned char BYTE;
	struct {
		unsigned char MXC:2;
		unsigned char CSEL:1;
		unsigned char RCYCE:1;
		unsigned char RESERVE:1;
		unsigned char TPC:1;
		unsigned char RCW:1;
		unsigned char RLW:1;
	} BIT;
} _DRCRB;
#define DRCRB   (*(volatile _DRCRB *)0xFEE027)


//バス関連

// ウェイトコントロールレジスタH
typedef union {
	unsigned char BYTE;
	struct {
		unsigned char W7:2;
		unsigned char W6:2;
		unsigned char W5:2;
		unsigned char W4:2;
	} BIT;
} _WCRH;
#define WCRH  (*(volatile _WCRH *)0xFEE022)

// ウェイトコントロールレジスタL
typedef union {
	unsigned char BYTE;
	struct {
		unsigned char W3:2;
		unsigned char W2:2;
		unsigned char W1:2;
		unsigned char W0:2;
	} BIT;
} _WCRL;
#define WCRL  (*(volatile _WCRL *)0xFEE023)



// アクセスステートコントロールレジスタ
typedef union {
	unsigned char BYTE;
	struct {
		unsigned char AST7:1;
		unsigned char AST6:1;
		unsigned char AST5:1;
		unsigned char AST4:1;
		unsigned char AST3:1;
		unsigned char AST2:1;
		unsigned char AST1:1;
		unsigned char AST0:1;
	} BIT;
} _ASTCR;
#define ASTCR  (*(volatile _ASTCR *)0xFEE021)


// 20us ウェイト関数
extern void wait20us(void);

// ミリ秒用ウェイト関数
void wait( unsigned int ms )
{
	unsigned int i;
	
	for( i=ms * 50 ; i > 0 ; i-- )
		wait20us();
}

// 割り込み許可/禁止/nop命令
#define _sti()	asm volatile ("andc.b #0x7f,ccr") 
#define _cli()	asm volatile ("orc.b #0x80,ccr")
#define _nop()	asm volatile ("nop" )
#

#endif