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32x, small improvement for poll detector
author
kub
<derkub@gmail.com>
Tue, 3 Mar 2020 19:34:11 +0000
(20:34 +0100)
committer
kub
<derkub@gmail.com>
Tue, 3 Mar 2020 19:34:11 +0000
(20:34 +0100)
pico/32x/memory.c
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diff --git
a/pico/32x/memory.c
b/pico/32x/memory.c
index
f772d28
..
f4f0a18
100644
(file)
--- a/
pico/32x/memory.c
+++ b/
pico/32x/memory.c
@@
-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
// 28 m68k-cycles (~80 sh2-cycles) to complete (observed in Metal Head)
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;
} else {
// store write to poll address in fifo