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32x, small improvement for poll detector

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kub 2020-03-03 20:34:11 +01:00
parent b6bdccb747
commit c1d0377e48
1 changed files with 1 additions and 1 deletions
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pico/32x/memory.c
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@ -239,7 +239,7 @@ static NOINLINE void sh2_poll_write(u32 a, u32 d, unsigned int cycles, SH2 *sh2)
// NB this can take an eternity on m68k: mov.b <addr1.l>,<addr2.l> needs // NB this can take an eternity on m68k: mov.b <addr1.l>,<addr2.l> needs
// 28 m68k-cycles (~80 sh2-cycles) to complete (observed in Metal Head) // 28 m68k-cycles (~80 sh2-cycles) to complete (observed in Metal Head)
q = &fifo[(sh2_poll_wr[hix]-1) % PFIFO_SZ]; q = &fifo[(sh2_poll_wr[hix]-1) % PFIFO_SZ];
if (cpu < 0 && rd != wr && q->a == a && !CYCLES_GT(cycles,q->cycles+30)) { if (rd != wr && q->a == a && !CYCLES_GT(cycles,q->cycles + (cpu<0 ? 30:4))) {
q->d = d; q->d = d;
} else { } else {
// store write to poll address in fifo // store write to poll address in fifo