src/hardware/snd_pc98/cbus/board26k.c

#include    "np2glue.h"
//#include      "compiler.h"
//#include      "pccore.h"
//#include      "iocore.h"
//#include      "cbuscore.h"
#include        "board26k.h"
#include        "sound.h"
#include        "fmboard.h"
#include        "s98.h"


static void IOOUTCALL opn_o188(UINT port, REG8 dat) {

        opn.addr = dat;
        opn.data = dat;
        (void)port;
}

static void IOOUTCALL opn_o18a(UINT port, REG8 dat) {

        UINT    addr;

        opn.data = dat;
        addr = opn.addr;
        S98_put(NORMAL2608, addr, dat);
        if (addr < 0x10) {
                if (addr != 0x0e) {
                        psggen_setreg(&psg1, addr, dat);
                }
        }
        else if (addr < 0x100) {
                if (addr < 0x30) {
                        if (addr == 0x28) {
                                if ((dat & 0x0f) < 3) {
                                        opngen_keyon(dat & 0x0f, dat);
                                }
                        }
                        else {
                                fmtimer_setreg(addr, dat);
                                if (addr == 0x27) {
                                        opnch[2].extop = dat & 0xc0;
                                }
                        }
                }
                else if (addr < 0xc0) {
                        opngen_setreg(0, addr, dat);
                }
                opn.reg[addr] = dat;
        }
        (void)port;
}

static REG8 IOINPCALL opn_i188(UINT port) {

        (void)port;
        return(fmtimer.status);
}

static REG8 IOINPCALL opn_i18a(UINT port) {

        UINT    addr;

        addr = opn.addr;
        if (addr == 0x0e) {
                return(fmboard_getjoy(&psg1));
        }
        else if (addr < 0x10) {
                return(psggen_getreg(&psg1, addr));
        }
        (void)port;
        return(opn.data);
}


// ----

static const IOOUT opn_o[4] = {
                        opn_o188,       opn_o18a,       NULL,           NULL};

static const IOINP opn_i[4] = {
                        opn_i188,       opn_i18a,       NULL,           NULL};


void board26k_reset(const NP2CFG *pConfig) {

        opngen_setcfg(3, 0);
        fmtimer_reset(pConfig->snd26opt & 0xc0);
        soundrom_loadex(pConfig->snd26opt & 7, OEMTEXT("26"));
        opn.base = (pConfig->snd26opt & 0x10)?0x000:0x100;
}

void board26k_bind(void) {

        fmboard_fmrestore(0, 0);
        psggen_restore(&psg1);
//      sound_streamregist(&opngen, (SOUNDCB)opngen_getpcm);
//      sound_streamregist(&psg1, (SOUNDCB)psggen_getpcm);
        cbuscore_attachsndex(0x188 - opn.base, opn_o, opn_i);
}