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handle dbra wait loops, update cyclone

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This commit is contained in:
notaz 2013-09-08 16:43:54 +03:00
parent e71fae1f13
commit ecc8036ee2
9 changed files with 60 additions and 12 deletions
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10
pico/32x/memory.c
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@ -65,7 +65,7 @@ static int m68k_poll_detect(u32 a, u32 cycles, u32 flags)
int ret = 0;
if (a - 2 <= m68k_poll.addr && m68k_poll.addr <= a + 2
&& cycles - m68k_poll.cycles <= 64)
&& cycles - m68k_poll.cycles <= 64 && !SekNotPolling)
{
if (m68k_poll.cnt++ > POLL_THRESHOLD) {
if (!(Pico32x.emu_flags & flags)) {
@ -79,6 +79,7 @@ static int m68k_poll_detect(u32 a, u32 cycles, u32 flags)
else {
m68k_poll.cnt = 0;
m68k_poll.addr = a;
SekNotPolling = 0;
}
m68k_poll.cycles = cycles;
@ -186,15 +187,9 @@ static u32 p32x_reg_read16(u32 a)
return sh2_comm_faker(a);
#else
if ((a & 0x30) == 0x20) {
static u32 dr2 = 0;
unsigned int cycles = SekCyclesDone();
int comreg = 1 << (a & 0x0f) / 2;
// evil X-Men proto polls in a dbra loop and expects it to expire..
if (SekDar(2) != dr2)
m68k_poll.cnt = 0;
dr2 = SekDar(2);
if (cycles - msh2.m68krcycles_done > 244
|| (Pico32x.comm_dirty_68k & comreg))
p32x_sync_sh2s(cycles);
@ -205,7 +200,6 @@ static u32 p32x_reg_read16(u32 a)
SekSetStop(1);
SekEndRun(16);
}
dr2 = SekDar(2);
goto out;
}
#endif