np2/cbus/board14.c - diff

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Diff for /np2/cbus/board14.c between versions 1.1 and 1.6

version 1.1, 2003/10/16 17:58:00	version 1.6, 2004/03/19 00:30:00
Line 7	Line 7
#include "fmboard.h"	#include "fmboard.h"


// ---- intr	// どうも 8253C-2は 4MHz/16らすい？
	// とりあえず 1996800/8を入力してみる... (ver0.71)


static void setmusicgenevent(BOOL absolute) {	// ---- 8253C-2

SINT32 cnt;	UINT board14_pitcount(void) {

if (pit.value[3].w > 8) { // 根拠なし	SINT32 clock;
cnt = pc.multiple * pit.value[3].w;
	clock = nevent_getremain(NEVENT_MUSICGEN);
	if (clock >= 0) {
	clock /= pccore.multiple;
	clock /= 8;
	if (!(pccore.cpumode & CPUMODE_8MHZ)) {
	clock = clock * 13 / 16;
	}
	return(clock);
	}
	return(0);
	}


	// ---- intr

	static void setmusicgenevent(UINT32 cnt, BOOL absolute) {

	if (cnt > 4) { // 根拠なし
	cnt *= pccore.multiple;
}	}
else {	else {
cnt = pc.multiple << 16;	cnt = pccore.multiple << 16;
	}
	if (!(pccore.cpumode & CPUMODE_8MHZ)) {
	cnt = cnt * 16 / 13; // cnt * 2457600 / 1996800
}	}
	cnt *= 8;
nevent_set(NEVENT_MUSICGEN, cnt, musicgenint, absolute);	nevent_set(NEVENT_MUSICGEN, cnt, musicgenint, absolute);
}	}

void musicgenint(NEVENTITEM item) {	void musicgenint(NEVENTITEM item) {

	PITCH pitch;

if (item->flag & NEVENT_SETEVENT) {	if (item->flag & NEVENT_SETEVENT) {
if ((pit.mode[3] & 0x0c) == 0x04) {	pitch = pit.ch + 3;
	if ((pitch->ctrl & 0x0c) == 0x04) {
// レートジェネレータ	// レートジェネレータ
setmusicgenevent(NEVENT_RELATIVE);	setmusicgenevent(pitch->value, NEVENT_RELATIVE);
}	}
}	}
pic_setirq(0x0c);	pic_setirq(0x0c);
Line 37 void musicgenint(NEVENTITEM item) {	Line 65 void musicgenint(NEVENTITEM item) {

// ---- I/O	// ---- I/O

static void IOOUTCALL musicgen_o088(UINT port, BYTE dat) {	static void IOOUTCALL musicgen_o088(UINT port, REG8 dat) {

musicgen.porta = dat;	musicgen.porta = dat;
(void)port;	(void)port;
}	}

static void IOOUTCALL musicgen_o08a(UINT port, BYTE dat) {	static void IOOUTCALL musicgen_o08a(UINT port, REG8 dat) {

musicgen.portb = dat;	musicgen.portb = dat;
(void)port;	(void)port;
}	}

static void IOOUTCALL musicgen_o08c(UINT port, BYTE dat) {	static void IOOUTCALL musicgen_o08c(UINT port, REG8 dat) {

if (dat & 0x80) {	if (dat & 0x80) {
if (!(musicgen.portc & 0x80)) {	if (!(musicgen.portc & 0x80)) {
Line 60 static void IOOUTCALL musicgen_o08c(UINT	Line 88 static void IOOUTCALL musicgen_o08c(UINT
musicgen.sync = 0;	musicgen.sync = 0;
sound_sync();	sound_sync();
musicgen.key[musicgen.ch] = dat;	musicgen.key[musicgen.ch] = dat;
tms3631_setkey(&tms3631, (BYTE)musicgen.ch, dat);	tms3631_setkey(&tms3631, (REG8)musicgen.ch, dat);
}	}
else if ((!(dat & 0x40)) && (musicgen.portc & 0x40)) {	else if ((!(dat & 0x40)) && (musicgen.portc & 0x40)) {
musicgen.sync = 1;	musicgen.sync = 1;
Line 71 static void IOOUTCALL musicgen_o08c(UINT	Line 99 static void IOOUTCALL musicgen_o08c(UINT
(void)port;	(void)port;
}	}

static void IOOUTCALL musicgen_o188(UINT port, BYTE dat) {	static void IOOUTCALL musicgen_o188(UINT port, REG8 dat) {

sound_sync();	sound_sync();
musicgen.mask = dat;	musicgen.mask = dat;
Line 79 static void IOOUTCALL musicgen_o188(UINT	Line 107 static void IOOUTCALL musicgen_o188(UINT
(void)port;	(void)port;
}	}

static void IOOUTCALL musicgen_o18c(UINT port, BYTE dat) {	static void IOOUTCALL musicgen_o18c(UINT port, REG8 dat) {

	PITCH pitch;

itimer_setcount(3, dat);	pitch = pit.ch + 3;
setmusicgenevent(NEVENT_ABSOLUTE);	if (!pit_setcount(pitch, dat)) {
	setmusicgenevent(pitch->value, NEVENT_ABSOLUTE);
	}
(void)port;	(void)port;
}	}

static void IOOUTCALL musicgen_o18e(UINT port, BYTE dat) {	static void IOOUTCALL musicgen_o18e(UINT port, REG8 dat) {

itimer_setflag(3, dat);	pit_setflag(pit.ch + 3, dat);
(void)port;	(void)port;
}	}

static BYTE IOINPCALL musicgen_i088(UINT port) {	static REG8 IOINPCALL musicgen_i088(UINT port) {

(void)port;	(void)port;
return(musicgen.porta);	return(musicgen.porta);
}	}

static BYTE IOINPCALL musicgen_i08a(UINT port) {	static REG8 IOINPCALL musicgen_i08a(UINT port) {

(void)port;	(void)port;
return(musicgen.portb);	return(musicgen.portb);
}	}

static BYTE IOINPCALL musicgen_i08c(UINT port) {	static REG8 IOINPCALL musicgen_i08c(UINT port) {

(void)port;	(void)port;
return(musicgen.portc);	return(musicgen.portc);
}	}

static BYTE IOINPCALL musicgen_i08e(UINT port) {	static REG8 IOINPCALL musicgen_i08e(UINT port) {

(void)port;	(void)port;
return(0x08);	return(0x08);
}	}

static BYTE IOINPCALL musicgen_i188(UINT port) {	static REG8 IOINPCALL musicgen_i188(UINT port) {

(void)port;	(void)port;
return(musicgen.mask);	return(musicgen.mask);
}	}

static BYTE IOINPCALL musicgen_i18c(UINT port) {	static REG8 IOINPCALL musicgen_i18c(UINT port) {

(void)port;	(void)port;
return(itimer_getcount(3));	return(pit_getstat(pit.ch + 3));
}	}

static BYTE IOINPCALL musicgen_i18e(UINT port) {	static REG8 IOINPCALL musicgen_i18e(UINT port) {

(void)port;	(void)port;
	#if 1
	return(0x80); // INT-5
	#else
return(0x40); // INT-5	return(0x40); // INT-5
	#endif
}	}


Line 165 void board14_bind(void) {	Line 201 void board14_bind(void) {

void board14_allkeymake(void) {	void board14_allkeymake(void) {

int i;	REG8 i;

for (i=0; i<8; i++) {	for (i=0; i<8; i++) {
tms3631_setkey(&tms3631, (BYTE)i, musicgen.key[i]);	tms3631_setkey(&tms3631, i, musicgen.key[i]);
}	}
}	}

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	Added in v.1.6