--- np2/cbus/amd98.c 2004/02/21 16:35:31 1.11 +++ np2/cbus/amd98.c 2005/05/13 05:47:24 1.16 @@ -179,12 +179,10 @@ static void amd98_rhythm(UINT map) { // ---- -static void setamd98event(BOOL absolute) { +static void setamd98event(UINT32 cnt, BOOL absolute) { - SINT32 cnt; - - if (pit.value[3] > 8) { // 根拠なし - cnt = pccore.multiple * pit.value[3]; + if (cnt > 8) { // 根拠なし + cnt *= pccore.multiple; } else { cnt = pccore.multiple << 16; @@ -197,10 +195,13 @@ static void setamd98event(BOOL absolute) void amd98int(NEVENTITEM item) { + PITCH pitch; + if (item->flag & NEVENT_SETEVENT) { - if ((pit.mode[3] & 0x0c) == 0x04) { + pitch = pit.ch + 4; + if ((pitch->ctrl & 0x0c) == 0x04) { // レートジェネレータ - setamd98event(NEVENT_RELATIVE); + setamd98event(pitch->value, NEVENT_RELATIVE); } } pic_setirq(0x0d); @@ -212,22 +213,25 @@ void amd98int(NEVENTITEM item) { static void IOOUTCALL amd_od8(UINT port, REG8 dat) { - opn.opnreg = dat; + opn.addr = dat; (void)port; } static void IOOUTCALL amd_od9(UINT port, REG8 dat) { - opn.extreg = dat; + opn.addr2 = dat; (void)port; } static void IOOUTCALL amd_oda(UINT port, REG8 dat) { - if (opn.opnreg < 0x0e) { - psggen_setreg(&psg1, opn.opnreg, dat); + UINT addr; + + addr = opn.addr; + if (addr < 0x0e) { + psggen_setreg(&psg1, addr, dat); } - else if (opn.opnreg == 0x0f) { + else if (addr == 0x0f) { psg1.reg.io2 = dat; } (void)port; @@ -235,20 +239,21 @@ static void IOOUTCALL amd_oda(UINT port, static void IOOUTCALL amd_odb(UINT port, REG8 dat) { - if (opn.extreg < 0x0e) { - psggen_setreg(&psg2, opn.extreg, dat); + UINT addr; + + addr = opn.addr2; + if (addr < 0x0e) { + psggen_setreg(&psg2, addr, dat); } - else if (opn.extreg == 0x0f) { + else if (addr == 0x0f) { REG8 b; b = psg2.reg.io2; if ((b & 1) > (dat & 1)) { b &= 0xc2; if (b == 0x42) { -// TRACEOUT(0xfff0, psg_1.reg.io2); amd98.psg3reg = psg1.reg.io2; } else if (b == 0x40) { -// TRACEOUT(0xfff1, psg_1.reg.io2); if (amd98.psg3reg < 0x0e) { psggen_setreg(&psg3, amd98.psg3reg, psg1.reg.io2); } @@ -264,17 +269,59 @@ static void IOOUTCALL amd_odb(UINT port, static void IOOUTCALL amd_odc(UINT port, REG8 dat) { - pit_setcount(3, dat); - setamd98event(NEVENT_ABSOLUTE); + PITCH pitch; + + pitch = pit.ch + 4; + if (pit_setcount(pitch, dat)) { + return; + } + setamd98event(pitch->value, NEVENT_ABSOLUTE); (void)port; } static void IOOUTCALL amd_ode(UINT port, REG8 dat) { - pit_setflag(3, dat); + pit_setflag(pit.ch + 4, dat); (void)port; } +static REG8 IOINPCALL amd_ida(UINT port) { + + UINT addr; + + addr = opn.addr; + if (addr < 0x0e) { + return(psggen_getreg(&psg1, addr)); + } + else if (addr == 0x0f) { + return(psg1.reg.io2); + } + (void)port; + return(0xff); +} + +static REG8 IOINPCALL amd_idb(UINT port) { + + UINT addr; + + addr = opn.addr2; + if (addr < 0x0e) { + return(psggen_getreg(&psg2, addr)); + } + else if (addr == 0x0f) { + return(psg2.reg.io2); + } + (void)port; + return(0xff); +} + +#if defined(TRACE) +static REG8 IOINPCALL amd_inp(UINT port) { + + TRACEOUT(("amd inp - %.4x", port)); + return(0xff); +} +#endif // ---- @@ -305,5 +352,14 @@ void amd98_bind(void) { iocore_attachout(0xdb, amd_odb); iocore_attachout(0xdc, amd_odc); iocore_attachout(0xde, amd_ode); + + iocore_attachinp(0xda, amd_ida); + iocore_attachinp(0xdb, amd_idb); +#if defined(TRACE) + iocore_attachinp(0xd8, amd_inp); + iocore_attachinp(0xd9, amd_inp); + iocore_attachinp(0xdc, amd_inp); + iocore_attachinp(0xde, amd_inp); +#endif }