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#include	"compiler.h"
#include	"strres.h"
#if defined(OSLANG_UCS2)
#include	"oemtext.h"
#endif
#include	"taskmng.h"
#include	"cpucore.h"
#include	"pccore.h"
#include	"iocore.h"
#include	"sxsibios.h"
#if defined(SUPPORT_HOSTDRV)
#include	"hostdrv.h"
#endif


#define		NP2SYSP_VER			"C"
// #define	NP2SYSP_CREDIT		""					// 要るなら・・・

// NP2依存ポート
// port:07edh	np2 value comm
// port:07efh	np2 string comm

// 基本的に STRINGでやり取りする
// ポート 7efh に 'NP2' と出力で "NP2"が返ってきたら NP2である

// verA
//		out->str: 'ver'				in->str:	ver番号 A〜
//		out->str: 'poweroff'		NP2を終了

// verB
//		out->str: 'cpu'				in->str:	CPU型番
//		out->str: 'clock'			in->str:	動作クロック数


// ----

typedef struct {
const char	*key;
	void	(*func)(const void *arg1, long arg2);
const void	*arg1;
	long	arg2;
} SYSPCMD;

static const OEMCHAR str_80286[] = OEMTEXT("80286");
static const OEMCHAR str_v30[] = OEMTEXT("V30");
static const OEMCHAR str_pentium[] = OEMTEXT("PENTIUM");
static const OEMCHAR str_mhz[] = OEMTEXT("%uMHz");


static void setoutstr(const OEMCHAR *str) {

#if defined(OSLANG_UCS2)
	oemtext_oemtosjis(np2sysp.outstr, sizeof(np2sysp.outstr), str, -1);
#else
	milstr_ncpy(np2sysp.outstr, str, sizeof(np2sysp.outstr));
#endif
	np2sysp.outpos = 0;
}

void np2sysp_outstr(const void *arg1, long arg2) {

	setoutstr((OEMCHAR *)arg1);
	(void)arg2;
}

static void np2sysp_poweroff(const void *arg1, long arg2) {

	taskmng_exit();
	(void)arg1;
	(void)arg2;
}

static void np2sysp_cpu(const void *arg1, long arg2) {

	// CPUを返す
#if 1											// 80286 or V30
	if (!(CPU_TYPE & CPUTYPE_V30)) {
		setoutstr(str_80286);
	}
	else {
		setoutstr(str_v30);
	}
#else
	// 386機以降の場合 V30モードはエミュレーションだから固定(?)
	setoutstr(str_pentium);
#endif
	(void)arg1;
	(void)arg2;
}

static void np2sysp_clock(const void *arg1, long arg2) {

	OEMCHAR	str[16];

	OEMSPRINTF(str, str_mhz, (pccore.realclock + 500000) / 1000000);
	setoutstr(str);
	(void)arg1;
	(void)arg2;
}

static void np2sysp_multiple(const void *arg1, long arg2) {

	OEMCHAR	str[16];

	OEMSPRINTF(str, str_u, pccore.multiple);
	setoutstr(str);
	(void)arg1;
	(void)arg2;
}

static void np2sysp_hwreset(const void *arg1, long arg2) {

	pcstat.hardwarereset = TRUE;
	(void)arg1;
	(void)arg2;
}


// ----

static const char cmd_np2[] = "NP2";
static const OEMCHAR rep_np2[] = OEMTEXT("NP2");

static const char cmd_ver[] = "ver";
static const char cmd_poweroff[] = "poweroff";
static const char cmd_credit[] = "credit";
static const char cmd_cpu[] = "cpu";
static const char cmd_clock[] = "clock";
static const char cmd_multiple[] = "multiple";
static const char cmd_hwreset[] = "hardwarereset";
#if defined(SUPPORT_IDEIO) || defined(SUPPORT_SASI)
static const char cmd_sasibios[] = "sasibios";
#endif
#if defined(SUPPORT_SCSI)
static const char cmd_scsibios[] = "scsibios";
static const char cmd_scsidev[] = "scsi_dev";
#endif
#if defined(SUPPORT_HOSTDRV)
static const char cmd_hdrvcheck[] = "check_hostdrv";
static const char cmd_hdrvopen[] = "open_hostdrv";
static const char cmd_hdrvclose[] = "close_hostdrv";
static const char cmd_hdrvintr[] = "intr_hostdrv";
static const OEMCHAR rep_hdrvcheck[] = OEMTEXT("0.74");
#endif

#if defined(NP2SYSP_VER)
static const OEMCHAR str_syspver[] = OEMTEXT(NP2SYSP_VER);
#else
#define	str_syspver		str_null
#endif

#if defined(NP2SYSP_CREDIT)
static const OEMCHAR str_syspcredit[] = OEMTEXT(NP2SYSP_CREDIT);
#else
#define	str_syspcredit	str_null
#endif


static const SYSPCMD np2spcmd[] = {
			{cmd_np2,		np2sysp_outstr,		rep_np2,		0},
			{cmd_ver,		np2sysp_outstr,		str_syspver,	0},

// version:A
			{cmd_poweroff,	np2sysp_poweroff,	NULL,			0},

// version:B
			{cmd_credit,	np2sysp_outstr,		str_syspcredit,	0},
			{cmd_cpu,		np2sysp_cpu,		NULL,			0},
			{cmd_clock,		np2sysp_clock,		NULL,			0},
			{cmd_multiple,	np2sysp_multiple,	NULL,			0},

// version:C
			{cmd_hwreset,	np2sysp_hwreset,	NULL,			0},

// extension
#if defined(SUPPORT_IDEIO) || defined(SUPPORT_SASI)
			{cmd_sasibios,	np2sysp_sasi,		NULL,			0},
#endif
#if defined(SUPPORT_SCSI)
			{cmd_scsibios,	np2sysp_scsi,		NULL,			0},
			{cmd_scsidev,	np2sysp_scsidev,	NULL,			0},
#endif

#if defined(SUPPORT_HOSTDRV)
			{cmd_hdrvcheck,	np2sysp_outstr,		rep_hdrvcheck,	0},
			{cmd_hdrvopen,	hostdrv_mount,		NULL,			0},
			{cmd_hdrvclose,	hostdrv_unmount,	NULL,			0},
			{cmd_hdrvintr,	hostdrv_intr,		NULL,			0},
#endif
};


static BRESULT np2syspcmp(const char *p) {

	int		len;
	int		pos;

	len = (int)STRLEN(p);
	if (!len) {
		return(FAILURE);
	}
	pos = np2sysp.strpos;
	while(len--) {
		if (p[len] != np2sysp.substr[pos]) {
			return(FAILURE);
		}
		pos--;
		pos &= NP2SYSP_MASK;
	}
	return(SUCCESS);
}

static void IOOUTCALL np2sysp_o7ed(UINT port, REG8 dat) {

	np2sysp.outval = (dat << 24) + (np2sysp.outval >> 8);
	(void)port;
}

static void IOOUTCALL np2sysp_o7ef(UINT port, REG8 dat) {

const SYSPCMD	*cmd;
const SYSPCMD	*cmdterm;

	np2sysp.substr[np2sysp.strpos] = (char)dat;
	cmd = np2spcmd;
	cmdterm = cmd + NELEMENTS(np2spcmd);
	while(cmd < cmdterm) {
		if (!np2syspcmp(cmd->key)) {
			cmd->func(cmd->arg1, cmd->arg2);
			break;
		}
		cmd++;
	}
	np2sysp.strpos++;
	np2sysp.strpos &= NP2SYSP_MASK;
	(void)port;
}

static REG8 IOINPCALL np2sysp_i7ed(UINT port) {

	REG8	ret;

	ret = (REG8)(np2sysp.inpval & 0xff);
	np2sysp.inpval = (ret << 24) + (np2sysp.inpval >> 8);
	(void)port;
	return(ret);
}

static REG8 IOINPCALL np2sysp_i7ef(UINT port) {

	REG8	ret;

	ret = (UINT8)np2sysp.outstr[np2sysp.outpos];
	if (ret) {
		np2sysp.outpos++;
		np2sysp.outpos &= NP2SYSP_MASK;
	}
	(void)port;
	return(ret);
}

#if defined(NP2APPDEV)
static void IOOUTCALL np2sysp_o0e9(UINT port, REG8 dat) {

	APPDEVOUT(dat);
	(void)port;
}

static REG8 IOINPCALL np2sysp_i0e9(UINT port) {

	return((UINT8)port);
}
#endif


// ---- I/F

void np2sysp_reset(const NP2CFG *pConfig) {

	ZeroMemory(&np2sysp, sizeof(np2sysp));

	(void)pConfig;
}

void np2sysp_bind(void) {

	iocore_attachout(0x07ef, np2sysp_o7ed);
	iocore_attachout(0x07ef, np2sysp_o7ef);
	iocore_attachinp(0x07ef, np2sysp_i7ed);
	iocore_attachinp(0x07ef, np2sysp_i7ef);

#if defined(NP2APPDEV)
	iocore_attachout(0x00e9, np2sysp_o0e9);
	iocore_attachinp(0x00e9, np2sysp_i0e9);
#endif
}