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32x: poll_detect tweaks, debug unification

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@800 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2009-10-02 13:39:46 +00:00
parent 1d7a28a723
commit 5fadfb1c37
4 changed files with 33 additions and 20 deletions
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4
pico/32x/32x.c
View file

@ -105,10 +105,6 @@ static void p32x_start_blank(void)
static __inline void run_m68k(int cyc)
{
if (Pico32x.emu_flags & P32XF_68KPOLL) {
SekCycleCnt += cyc;
return;
}
#if defined(EMU_C68K)
PicoCpuCM68k.cycles = cyc;
CycloneRun(&PicoCpuCM68k);

20
pico/32x/memory.c
View file

@ -158,8 +158,18 @@ static u32 p32x_reg_read16(u32 a)
if ((a & 0x30) == 0x20)
return sh2_comm_faker(a);
#else
if ((a & 0x30) == 0x20 && p32x_poll_detect(&m68k_poll, a, SekCyclesDoneT(), 0)) {
SekEndTimeslice(16);
if ((a & 0x30) == 0x20) {
// evil X-Men proto polls in a dbra loop and expects it to expire..
static u32 dr2 = 0;
if (SekDar(2) != dr2)
m68k_poll.cnt = 0;
dr2 = SekDar(2);
if (p32x_poll_detect(&m68k_poll, a, SekCyclesDoneT(), 0)) {
SekSetStop(1);
SekEndTimeslice(16);
}
dr2 = SekDar(2);
}
#endif
@ -406,7 +416,8 @@ static void p32x_sh2reg_write8(u32 a, u32 d, int cpuid)
if ((a & 0x30) == 0x20) {
u8 *r8 = (u8 *)Pico32x.regs;
r8[a ^ 1] = d;
p32x_poll_undetect(&m68k_poll, 0);
if (p32x_poll_undetect(&m68k_poll, 0))
SekSetStop(0);
p32x_poll_undetect(&sh2_poll[cpuid ^ 1], 0);
return;
}
@ -419,7 +430,8 @@ static void p32x_sh2reg_write16(u32 a, u32 d, int cpuid)
// comm
if ((a & 0x30) == 0x20 && Pico32x.regs[a/2] != d) {
Pico32x.regs[a / 2] = d;
p32x_poll_undetect(&m68k_poll, 0);
if (p32x_poll_undetect(&m68k_poll, 0))
SekSetStop(0);
p32x_poll_undetect(&sh2_poll[cpuid ^ 1], 0);
return;
}