more accuracy fixes

[picodrive.git] / Pico / cd / Pico.c

diff --git a/Pico/cd/Pico.c b/Pico/cd/Pico.c
index d29469b..a0f2880 100644 (file)
--- a/Pico/cd/Pico.c
+++ b/Pico/cd/Pico.c
@@ -1,10 +1,4 @@
-// This is part of Pico Library
-
-// (c) Copyright 2004 Dave, All rights reserved.
 // (c) Copyright 2007 notaz, All rights reserved.
-// Free for non-commercial use.
-
-// For commercial use, separate licencing terms must be obtained.
 
 
 #include "../PicoInt.h"
@@ -81,6 +75,12 @@ int PicoResetMCD(int hard)
   //PicoMemResetCDdecode(1); // don't have to call this in 2M mode
 #endif
 
+  // use SRam.data for RAM cart
+  if (SRam.data) free(SRam.data);
+  SRam.data = NULL;
+  if (PicoOpt&0x8000)
+    SRam.data = calloc(1, 0x12000);
+
   return 0;
 }
 
@@ -216,13 +216,15 @@ static __inline void update_chips(void)
        // delayed setting of DMNA bit (needed for Silpheed)
        if (Pico_mcd->m.state_flags & 2) {
                Pico_mcd->m.state_flags &= ~2;
-               Pico_mcd->s68k_regs[3] |=  2;
-               Pico_mcd->s68k_regs[3] &= ~1;
+               if (!(Pico_mcd->s68k_regs[3] & 4)) {
+                       Pico_mcd->s68k_regs[3] |=  2;
+                       Pico_mcd->s68k_regs[3] &= ~1;
 #ifdef USE_POLL_DETECT
-               if ((s68k_poll_adclk&0xfe) == 2) {
-                       SekSetStopS68k(0); s68k_poll_adclk = 0;
-               }
+                       if ((s68k_poll_adclk&0xfe) == 2) {
+                               SekSetStopS68k(0); s68k_poll_adclk = 0;
+                       }
 #endif
+               }
        }
 }