np2/cbus/cs4231io.c - diff

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version 1.3, 2004/01/05 09:31:25	version 1.4, 2004/01/05 11:46:56
Line 7	Line 7
#include "fmboard.h"	#include "fmboard.h"


	static const UINT8 cs4231dma[] = {0xff,0x00,0x01,0x03,0xff,0xff,0xff,0xff};
	static const UINT8 cs4231irq[] = {0xff,0x03,0x06,0x0a,0x0c,0xff,0xff,0xff};


static void IOOUTCALL csctrl_oc24(UINT port, REG8 dat) {	static void IOOUTCALL csctrl_oc24(UINT port, REG8 dat) {

cs4231.portctrl = dat;	cs4231.portctrl = dat;
Line 77 void cs4231io_reset(void) {	Line 81 void cs4231io_reset(void) {
cs4231.enable = 1;	cs4231.enable = 1;
cs4231.port = 0xf40;	cs4231.port = 0xf40;
cs4231.adrs = 0x21;	cs4231.adrs = 0x21;
cs4231.dmach = 0;	cs4231.dmairq = cs4231irq[(cs4231.adrs >> 3) & 3];
cs4231.dmairq = 0x0c;	cs4231.dmach = cs4231dma[cs4231.adrs & 7];
cs4231.step = 22050;	cs4231.step = 22050;
dmac_attach(DMADEV_CS4231, 0);	if (cs4231.dmach != 0xff) {
	dmac_attach(DMADEV_CS4231, cs4231.dmach);
	}
}	}

void cs4231io_bind(void) {	void cs4231io_bind(void) {
Line 98 void IOOUTCALL cs4231io_w8(UINT port, RE	Line 104 void IOOUTCALL cs4231io_w8(UINT port, RE

switch(port & 0x0f) {	switch(port & 0x0f) {
case 0:	case 0:
#if 0
cs4231.adrs = value;	cs4231.adrs = value;
cs4231.dmairq = dmairq[(value >> 3) & 3];	cs4231.dmairq = cs4231irq[(value >> 3) & 3];
cs4231.dmach = dmach[value & 7];	cs4231.dmach = cs4231dma[value & 7];
#endif	dmac_detach(DMADEV_CS4231);
	if (cs4231.dmach != 0xff) {
	dmac_attach(DMADEV_CS4231, cs4231.dmach);
	}
break;	break;

case 4:	case 4:

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