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32x: implement VDP fill, improve PWM, division unit and scheduling
[picodrive.git]
/
pico
/
32x
/
32x.c
diff --git
a/pico/32x/32x.c
b/pico/32x/32x.c
index
a9a28a9
..
93d4e3e
100644
(file)
--- a/
pico/32x/32x.c
+++ b/
pico/32x/32x.c
@@
-126,25
+126,28
@@
static __inline void SekRunM68k(int cyc)
// ~1463.8, but due to cache misses and slow mem
// it's much lower than that
// ~1463.8, but due to cache misses and slow mem
// it's much lower than that
-#define SH2_LINE_CYCLES 735
+//#define SH2_LINE_CYCLES 735
+#define CYCLES_M68K2SH2(x) ((x) * 9 / 4)
#define PICO_32X
#define PICO_32X
-#define RUN_SH2S_SIMPLE \
+#define RUN_SH2S_SIMPLE
(m68k_cycles)
\
if (!(Pico32x.emu_flags & (P32XF_MSH2POLL|P32XF_MSH2VPOLL))) \
if (!(Pico32x.emu_flags & (P32XF_MSH2POLL|P32XF_MSH2VPOLL))) \
- sh2_execute(&msh2,
SH2_LINE_CYCLES
); \
+ sh2_execute(&msh2,
CYCLES_M68K2SH2(m68k_cycles)
); \
if (!(Pico32x.emu_flags & (P32XF_SSH2POLL|P32XF_SSH2VPOLL))) \
if (!(Pico32x.emu_flags & (P32XF_SSH2POLL|P32XF_SSH2VPOLL))) \
- sh2_execute(&ssh2,
SH2_LINE_CYCLES);
+ sh2_execute(&ssh2,
CYCLES_M68K2SH2(m68k_cycles))
-#define RUN_SH2S_LOCKSTEP \
+#define STEP 66
+#define RUN_SH2S_LOCKSTEP(m68k_cycles) \
{ \
int i; \
{ \
int i; \
- for (i = 0; i <
SH2_LINE_CYCLES; i+= 3
) { \
- sh2_execute(&msh2,
3
); \
- sh2_execute(&ssh2,
3
); \
+ for (i = 0; i <
CYCLES_M68K2SH2(m68k_cycles); i+= STEP
) { \
+ sh2_execute(&msh2,
STEP
); \
+ sh2_execute(&ssh2,
STEP
); \
} \
}
#define RUN_SH2S RUN_SH2S_SIMPLE
} \
}
#define RUN_SH2S RUN_SH2S_SIMPLE
+//#define RUN_SH2S RUN_SH2S_LOCKSTEP
#include "../pico_cmn.c"
#include "../pico_cmn.c"
@@
-160,5
+163,6
@@
void PicoFrame32x(void)
PicoFrameStart();
PicoFrameHints();
PicoFrameStart();
PicoFrameHints();
+ elprintf(EL_32X, "poll: %02x", Pico32x.emu_flags);
}
}