partial gmv implementation

[picodrive.git] / Pico / Memory.c

diff --git a/Pico/Memory.c b/Pico/Memory.c
index d3b931c..3104eb4 100644 (file)
--- a/Pico/Memory.c
+++ b/Pico/Memory.c
@@ -267,13 +267,16 @@ u32 OtherRead16(u32 a, int realsize)
   }\r
   // |=0x80 for Shadow of the Beast & Super Offroad; rotate fakes next fetched instruction for Time Killers\r
   if (a==0xa11100) {\r
-    extern int z80stopCycle; // TODO: tidy\r
     d=Pico.m.z80Run&1;\r
+#if 0\r
     if (!d) {\r
+      // do we need this?\r
+      extern int z80stopCycle; // TODO: tidy\r
       int stop_before = SekCyclesDone() - z80stopCycle;\r
-      if (stop_before > 0 && stop_before <= 16*2) // Gens uses 16 here\r
+      if (stop_before > 0 && stop_before <= 16) // Gens uses 16 here\r
         d = 1; // bus not yet available\r
     }\r
+#endif\r
     d=(d<<8)|0x8000|Pico.m.rotate++;\r
     dprintf("get_zrun: %04x [%i|%i] @%06x", d, Pico.m.scanline, SekCyclesDone(), SekPc);\r
     goto end; }\r
@@ -569,7 +572,9 @@ static void CPU_CALL PicoWrite8(u32 a,u8 d)
   //  dprintf("w8 : %06x,   %02x @%06x", a&0xffffff, d, SekPc);\r
 \r
 \r
-  if ((a&0xe00000)==0xe00000) { u8 *pm=(u8 *)(Pico.ram+((a^1)&0xffff)); pm[0]=d; return; } // Ram\r
+  if ((a&0xe00000)==0xe00000) {\r
+         if((a&0xffff)==0xf62a) dprintf("(f62a) = %02x [%i|%i] @ %x", d, Pico.m.scanline, SekCyclesDone(), SekPc);\r
+          u8 *pm=(u8 *)(Pico.ram+((a^1)&0xffff)); pm[0]=d; return; } // Ram\r
 \r
   a&=0xffffff;\r
   OtherWrite8(a,d,8);\r