// ~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 RUN_SH2S_SIMPLE \
+#define RUN_SH2S_SIMPLE(m68k_cycles) \
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))) \
- 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; \
- 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_LOCKSTEP
#include "../pico_cmn.c"
PicoFrameStart();
PicoFrameHints();
+ elprintf(EL_32X, "poll: %02x", Pico32x.emu_flags);
}