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| version 1.5, 2004/03/28 19:50:25 | version 1.6, 2004/03/30 07:12:03 |
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| Line 46 static void IOOUTCALL pcm86_oa468(UINT p | Line 46 static void IOOUTCALL pcm86_oa468(UINT p |
| pcm86.wrtpos = 0; | pcm86.wrtpos = 0; |
| pcm86.realbuf = 0; | pcm86.realbuf = 0; |
| pcm86.virbuf = 0; | pcm86.virbuf = 0; |
| pcm86.write = 0; | |
| pcm86.reqirq = 0; | |
| pcm86.lastclock = CPU_CLOCK + CPU_BASECLOCK - CPU_REMCLOCK; | pcm86.lastclock = CPU_CLOCK + CPU_BASECLOCK - CPU_REMCLOCK; |
| pcm86.lastclock <<= 6; | pcm86.lastclock <<= 6; |
| } | } |
| if ((xchgbit & 0x10) && (!(val & 0x10))) { | |
| pcm86.write = 0; | |
| pcm86.reqirq = 0; | |
| } | |
| // サンプリングレート変更 | // サンプリングレート変更 |
| if (xchgbit & 7) { | if (xchgbit & 7) { |
| pcm86.rescue = pcm86rescue[val & 7] << pcm86.stepbit; | pcm86.rescue = pcm86rescue[val & 7] << pcm86.stepbit; |
| Line 61 static void IOOUTCALL pcm86_oa468(UINT p | Line 63 static void IOOUTCALL pcm86_oa468(UINT p |
| pcm86.lastclock = CPU_CLOCK + CPU_BASECLOCK - CPU_REMCLOCK; | pcm86.lastclock = CPU_CLOCK + CPU_BASECLOCK - CPU_REMCLOCK; |
| pcm86.lastclock <<= 6; | pcm86.lastclock <<= 6; |
| } | } |
| pcm86.write = 1; | |
| pcm86_setnextintr(); | pcm86_setnextintr(); |
| (void)port; | (void)port; |
| } | } |
| Line 154 static REG8 IOINPCALL pcm86_ia468(UINT p | Line 155 static REG8 IOINPCALL pcm86_ia468(UINT p |
| REG8 ret; | REG8 ret; |
| ret = pcm86.fifo & (~0x10); | ret = pcm86.fifo & (~0x10); |
| #if 1 | |
| if (pcm86gen_intrq()) { | |
| ret |= 0x10; | |
| } | |
| #elif 1 // むしろこう? | |
| if (pcm86.fifo & 0x20) { | |
| sound_sync(); | |
| if (pcm86.virbuf <= pcm86.fifosize) { | |
| if (pcm86.write) { | |
| pcm86.write = 0; | |
| } | |
| else { | |
| ret |= 0x10; | |
| } | |
| } | |
| } | |
| #else | |
| if ((pcm86.write) && (pcm86.fifo & 0x20)) { | if ((pcm86.write) && (pcm86.fifo & 0x20)) { |
| // pcm86.write = 0; | // pcm86.write = 0; |
| sound_sync(); | sound_sync(); |
| Line 162 static REG8 IOINPCALL pcm86_ia468(UINT p | Line 180 static REG8 IOINPCALL pcm86_ia468(UINT p |
| ret |= 0x10; | ret |= 0x10; |
| } | } |
| } | } |
| #endif | |
| (void)port; | (void)port; |
| return(ret); | return(ret); |
| } | } |