--- np2/io/dmac.c	2004/01/29 09:41:50	1.8
+++ np2/io/dmac.c	2005/02/07 14:46:11	1.12
@@ -1,4 +1,5 @@
 #include	"compiler.h"
+#include	"cpucore.h"
 #include	"pccore.h"
 #include	"iocore.h"
 #include	"sound.h"
@@ -32,7 +33,11 @@ static const DMAPROC dmaproc[] = {
 		{dma_dummyout,		dma_dummyin,		dma_dummyproc},		// SASI
 #endif
 		{dma_dummyout,		dma_dummyin,		dma_dummyproc},		// SCSI
+#if !defined(DISABLE_SOUND)
 		{dma_dummyout,		dma_dummyin,		cs4231dmafunc},		// CS4231
+#else
+		{dma_dummyout,		dma_dummyin,		dma_dummyproc},		// SASI
+#endif
 };
 
 
@@ -52,7 +57,7 @@ void dmac_check(void) {
 			if (!(dmac.work & bit)) {
 				dmac.work |= bit;
 				if (ch->proc.extproc(DMAEXT_START)) {
-					dmac.stat &= ~bit;						// ver0.27
+					dmac.stat &= ~bit;
 					dmac.working |= bit;
 					workchg = TRUE;
 				}
@@ -74,6 +79,35 @@ void dmac_check(void) {
 	}
 }
 
+UINT dmac_getdatas(DMACH dmach, UINT8 *buf, UINT size) {
+
+	UINT	leng;
+	UINT32	addr;
+	UINT	i;
+
+	leng = min(dmach->leng.w, size);
+	if (leng) {
+		addr = dmach->adrs.d;					// + mask
+		if (!(dmach->mode & 0x20)) {			// dir +
+			for (i=0; i<leng; i++) {
+				buf[i] = MEMP_READ8(addr + i);
+			}
+			dmach->adrs.d += leng;
+		}
+		else {									// dir -
+			for (i=0; i<leng; i++) {
+				buf[i] = MEMP_READ8(addr - i);
+			}
+			dmach->adrs.d -= leng;
+		}
+		dmach->leng.w -= leng;
+		if (dmach->leng.w == 0) {
+			dmach->proc.extproc(DMAEXT_END);
+		}
+	}
+	return(leng);
+}
+
 
 // ---- I/O
 
@@ -84,7 +118,7 @@ static void IOOUTCALL dmac_o01(UINT port
 
 	dmach = dmac.dmach + ((port >> 2) & 3);
 	lh = dmac.lh;
-	dmac.lh = lh ^ 1;
+	dmac.lh = (UINT8)(lh ^ 1);
 	dmach->adrs.b[lh + DMA32_LOW] = dat;
 	dmach->adrsorg.b[lh] = dat;
 }
@@ -154,7 +188,21 @@ static void IOOUTCALL dmac_o21(UINT port
 	DMACH	dmach;
 
 	dmach = dmac.dmach + (((port >> 1) + 1) & 3);
+#if defined(CPUCORE_IA32)
+	dmach->adrs.b[DMA32_HIGH + DMA16_LOW] = dat;
+#else
+	// IA16では ver0.75で無効、ver0.76で修正
 	dmach->adrs.b[DMA32_HIGH + DMA16_LOW] = dat & 0x0f;
+#endif
+}
+
+static void IOOUTCALL dmac_o29(UINT port, REG8 dat) {
+
+	DMACH	dmach;
+
+	dmach = dmac.dmach + (dat & 3);
+	dmach->bound = dat;
+	(void)port;
 }
 
 static REG8 IOINPCALL dmac_i01(UINT port) {
@@ -200,8 +248,9 @@ static const IOINP dmaci00[16] = {
 					dmac_i11,	NULL,		NULL,		NULL,
 					NULL,		NULL,		NULL,		NULL};
 
-static const IOOUT dmaco21[4] = {
-					dmac_o21,	dmac_o21,	dmac_o21,	dmac_o21};
+static const IOOUT dmaco21[8] = {
+					dmac_o21,	dmac_o21,	dmac_o21,	dmac_o21,
+					dmac_o29,	NULL,		NULL,		NULL};
 
 void dmac_reset(void) {
 
@@ -216,7 +265,7 @@ void dmac_bind(void) {
 
 	iocore_attachsysoutex(0x0001, 0x0ce1, dmaco00, 16);
 	iocore_attachsysinpex(0x0001, 0x0ce1, dmaci00, 16);
-	iocore_attachsysoutex(0x0021, 0x0cf1, dmaco21, 4);
+	iocore_attachsysoutex(0x0021, 0x0cf1, dmaco21, 8);
 }
 
 
@@ -237,10 +286,10 @@ static void dmacset(REG8 channel) {
 		}
 		dev++;
 	}
-	if (dmadev >= sizeof(dmaproc) / sizeof(DMAPROC)) {
+	if (dmadev >= NELEMENTS(dmaproc)) {
 		dmadev = 0;
 	}
-	TRACEOUT(("dmac set %d - %d", channel, dmadev));
+//	TRACEOUT(("dmac set %d - %d", channel, dmadev));
 	dmac.dmach[channel].proc = dmaproc[dmadev];
 }
 
@@ -257,7 +306,7 @@ void dmac_attach(REG8 device, REG8 chann
 
 	dmac_detach(device);
 
-	if (dmac.devices < (sizeof(dmac.device) / sizeof(DMADEV))) {
+	if (dmac.devices < NELEMENTS(dmac.device)) {
 		dmac.device[dmac.devices].device = device;
 		dmac.device[dmac.devices].channel = channel;
 		dmac.devices++;