--- np2/sound/cs4231c.c 2003/12/08 00:55:33 1.4 +++ np2/sound/cs4231c.c 2004/01/05 14:16:35 1.6 @@ -14,9 +14,6 @@ static const UINT16 cs4231samprate[] = { 54840, 37800, 64000, 44100, 48000, 33075, 9600, 6620}; -static const BYTE dmach[] = {0xff, 0x00, 0x01, 0x03, 0xff, 0xff, 0xff, 0xff}; -static const BYTE dmairq[] = {0xff, 0x03, 0x06, 0x0a, 0x0c, 0xff, 0xff, 0xff}; - void cs4231_initialize(UINT rate) { @@ -31,17 +28,23 @@ void cs4231_setvol(UINT vol) { void cs4231_dma(NEVENTITEM item) { + DMACH dmach; REG8 ret; SINT32 cnt; if (item->flag & NEVENT_SETEVENT) { - if (dmac.dmach[0].leng.w) { - sound_sync(); - ret = cs4231.proc(); - if ((ret) && (cs4231.reg.pinctrl & 2)) { - dmac.dmach[0].leng.w = 0; - cs4231.intflag = 1; - pic_setirq(0x0c); + if (cs4231.dmach != 0xff) { + dmach = dmac.dmach + cs4231.dmach; + if (dmach->leng.w) { + sound_sync(); + ret = cs4231.proc(dmach); + if ((ret) && (cs4231.reg.pinctrl & 2)) { + dmach->leng.w = 0; + if (cs4231.dmairq != 0xff) { + cs4231.intflag = 1; + pic_setirq(cs4231.dmairq); + } + } } } if (cs4231cfg.rate) { @@ -86,6 +89,8 @@ void cs4231_update(void) { void cs4231_control(UINT index, REG8 value) { + DMACH dmach; + *(((BYTE *)(&cs4231.reg)) + index) = value; switch(index) { case 8: // playback data format @@ -94,13 +99,16 @@ void cs4231_control(UINT index, REG8 val break; case 9: - if ((value & 0x5) == 0x5) { - dmac.dmach[0].ready = 1; - } - else { - dmac.dmach[0].ready = 0; + if (cs4231.dmach != 0xff) { + dmach = dmac.dmach + cs4231.dmach; + if ((value & 0x5) == 0x5) { + dmach->ready = 1; + } + else { + dmach->ready = 0; + } + dmac_check(); } - dmac_check(); break; } }