new acc mode timing, VDP FIFO code

[picodrive.git] / Pico / Memory.c

diff --git a/Pico/Memory.c b/Pico/Memory.c
index 72c4396..e95d132 100644 (file)
--- a/Pico/Memory.c
+++ b/Pico/Memory.c
@@ -81,7 +81,10 @@ static u32 CPU_CALL PicoCheckPc(u32 pc)
 //  pc&=0xfffffe;\r
   pc&=~1;\r
   if ((pc<<8) == 0)\r
+  {\r
+    printf("%i:%03i: game crash detected @ %06x\n", Pico.m.frame_count, Pico.m.scanline, SekPc);\r
     return (int)Pico.rom + Pico.romsize; // common crash condition, can happen if acc timing is off\r
+  }\r
 \r
   PicoCpu.membase=PicoMemBase(pc&0x00ffffff);\r
   PicoCpu.membase-=pc&0xff000000;\r
@@ -697,13 +700,15 @@ PICO_INTERNAL unsigned char z80_read(unsigned short a)
     addr68k+=a&0x7fff;\r
 \r
     ret = (u8) PicoRead8(addr68k);\r
-    //dprintf("z80->68k w8 : %06x,   %02x", addr68k, ret);\r
+    elprintf(EL_Z80BNK, "z80->68k r8 [%06x] %02x", addr68k, ret);\r
     goto end;\r
   }\r
 \r
   // should not be needed || dprintf("z80_read RAM");\r
   if (a<0x4000) { ret = (u8) Pico.zram[a&0x1fff]; goto end; }\r
 \r
+  elprintf(EL_ANOMALY, "z80 invalid r8 [%06x] %02x", a, ret);\r
+\r
 end:\r
   return ret;\r
 }\r
@@ -745,13 +750,15 @@ PICO_INTERNAL_ASM void z80_write(unsigned char data, unsigned short a)
     u32 addr68k;\r
     addr68k=Pico.m.z80_bank68k<<15;\r
     addr68k+=a&0x7fff;\r
+    elprintf(EL_Z80BNK, "z80->68k w8 [%06x] %02x", addr68k, data);\r
     PicoWrite8(addr68k, data);\r
-    //dprintf("z80->68k w8 : %06x,   %02x", addr68k, data);\r
     return;\r
   }\r
 \r
   // should not be needed, drZ80 knows how to access RAM itself || dprintf("z80_write RAM @ %08x", lr);\r
   if (a<0x4000) { Pico.zram[a&0x1fff]=data; return; }\r
+\r
+  elprintf(EL_ANOMALY, "z80 invalid w8 [%06x] %02x", a, data);\r
 }\r
 \r
 PICO_INTERNAL void z80_write16(unsigned short data, unsigned short a)\r