clarify PicoDrive's license

[picodrive.git] / pico / 32x / 32x.c

diff --git a/pico/32x/32x.c b/pico/32x/32x.c
index f9ac533..a452f83 100644 (file)
--- a/pico/32x/32x.c
+++ b/pico/32x/32x.c
@@ -1,3 +1,10 @@
+/*
+ * PicoDrive
+ * (C) notaz, 2009,2010
+ *
+ * This work is licensed under the terms of MAME license.
+ * See COPYING file in the top-level directory.
+ */
 #include "../pico_int.h"
 #include "../sound/ym2612.h"
 
@@ -19,7 +26,7 @@ static int REGPARM(2) sh2_irq_cb(SH2 *sh2, int level)
   }
 }
 
-void p32x_update_irls(void)
+void p32x_update_irls(int nested_call)
 {
   int irqs, mlvl = 0, slvl = 0;
 
@@ -36,8 +43,8 @@ void p32x_update_irls(void)
   slvl *= 2;
 
   elprintf(EL_32X, "update_irls: m %d, s %d", mlvl, slvl);
-  sh2_irl_irq(&msh2, mlvl);
-  sh2_irl_irq(&ssh2, slvl);
+  sh2_irl_irq(&msh2, mlvl, nested_call);
+  sh2_irl_irq(&ssh2, slvl, nested_call);
   mlvl = mlvl ? 1 : 0;
   slvl = slvl ? 1 : 0;
   p32x_poll_event(mlvl | (slvl << 1), 0);
@@ -141,7 +148,7 @@ void PicoReset32x(void)
 {
   if (PicoAHW & PAHW_32X) {
     Pico32x.sh2irqs |= P32XI_VRES;
-    p32x_update_irls();
+    p32x_update_irls(0);
     p32x_poll_event(3, 0);
   }
 }
@@ -186,7 +193,7 @@ static void p32x_start_blank(void)
   }
 
   Pico32x.sh2irqs |= P32XI_VINT;
-  p32x_update_irls();
+  p32x_update_irls(0);
   p32x_poll_event(3, 1);
 }
 
@@ -194,6 +201,7 @@ static __inline void run_m68k(int cyc)
 {
   pprof_start(m68k);
 
+p32x_poll_event(3, 0);
 #if defined(EMU_C68K)
   PicoCpuCM68k.cycles = cyc;
   CycloneRun(&PicoCpuCM68k);
@@ -210,7 +218,8 @@ static __inline void run_m68k(int cyc)
 // ~1463.8, but due to cache misses and slow mem
 // it's much lower than that
 //#define SH2_LINE_CYCLES 735
-#define CYCLES_M68K2SH2(x) ((x) * 6 / 4)
+#define CYCLES_M68K2MSH2(x) (((x) * p32x_msh2_multiplier) >> 10)
+#define CYCLES_M68K2SSH2(x) (((x) * p32x_ssh2_multiplier) >> 10)
 
 #define PICO_32X
 #define CPUS_RUN_SIMPLE(m68k_cycles,s68k_cycles) \
@@ -227,12 +236,12 @@ static __inline void run_m68k(int cyc)
       elprintf(EL_32X, "slice %d", slice); \
     if (!(Pico32x.emu_flags & (P32XF_SSH2POLL|P32XF_SSH2VPOLL))) { \
       pprof_start(ssh2); \
-      sh2_execute(&ssh2, CYCLES_M68K2SH2(slice)); \
+      sh2_execute(&ssh2, CYCLES_M68K2SSH2(slice)); \
       pprof_end(ssh2); \
     } \
     if (!(Pico32x.emu_flags & (P32XF_MSH2POLL|P32XF_MSH2VPOLL))) { \
       pprof_start(msh2); \
-      sh2_execute(&msh2, CYCLES_M68K2SH2(slice)); \
+      sh2_execute(&msh2, CYCLES_M68K2MSH2(slice)); \
       pprof_end(msh2); \
     } \
     pprof_start(dummy); \