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32x: improve 'simple' scheduling, works for 'interesting' games

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@798 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2009-10-01 10:21:43 +00:00
parent c987bb5c36
commit 236990cf77
4 changed files with 42 additions and 35 deletions
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20
pico/32x/memory.c
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@ -1,7 +1,7 @@
#include "../pico_int.h"
#include "../memory.h"
#if 1
#if 0
#undef ash2_end_run
#undef SekEndRun
#define ash2_end_run(x)
@ -159,7 +159,7 @@ static u32 p32x_reg_read16(u32 a)
return sh2_comm_faker(a);
#else
if ((a & 0x30) == 0x20 && p32x_poll_detect(&m68k_poll, a, SekCyclesDoneT(), 0)) {
SekEndRun(16);
SekEndTimeslice(16);
}
#endif
@ -220,9 +220,11 @@ static void p32x_reg_write8(u32 a, u32 d)
if ((a & 0x30) == 0x20) {
u8 *r8 = (u8 *)r;
r8[a ^ 1] = d;
if (p32x_poll_undetect(&sh2_poll[0], 0) || p32x_poll_undetect(&sh2_poll[1], 0))
// if some SH2 is busy waiting, it needs to see the result ASAP
SekEndRun(16);
p32x_poll_undetect(&sh2_poll[0], 0);
p32x_poll_undetect(&sh2_poll[1], 0);
// if some SH2 is busy waiting, it needs to see the result ASAP
if (SekCyclesLeftNoMCD > 32)
SekEndRun(32);
return;
}
}
@ -265,9 +267,11 @@ static void p32x_reg_write16(u32 a, u32 d)
// comm port
else if ((a & 0x30) == 0x20 && r[a / 2] != d) {
r[a / 2] = d;
if (p32x_poll_undetect(&sh2_poll[0], 0) || p32x_poll_undetect(&sh2_poll[1], 0))
// if some SH2 is busy waiting, it needs to see the result ASAP
SekEndRun(16);
p32x_poll_undetect(&sh2_poll[0], 0);
p32x_poll_undetect(&sh2_poll[1], 0);
// same as for w8
if (SekCyclesLeftNoMCD > 32)
SekEndRun(32);
return;
}
// PWM