X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=pico%2F32x%2Fmemory.c;h=ea4051bc7e227185ff31f6a2fe85c128328f5749;hb=4b315c210a92a7ba0453933f22418584d4e6c2ab;hp=4417a488ae6e678207c6222c1018e8a7f11d5ccf;hpb=52d759c30f640f4af451eb7811e507ddece0e360;p=picodrive.git

diff --git a/pico/32x/memory.c b/pico/32x/memory.c
index 4417a48..ea4051b 100644
--- a/pico/32x/memory.c
+++ b/pico/32x/memory.c
@@ -1016,6 +1016,10 @@ static u32 sh2_read16_da(u32 a, int id)
   return ((u16 *)Pico32xMem->data_array[id])[(a & 0xfff) / 2];
 }
 
+static void sh2_write_ignore(u32 a, u32 d, int id)
+{
+}
+
 // write8
 static void sh2_write8_unmapped(u32 a, u32 d, int id)
 {
@@ -1451,6 +1455,12 @@ void PicoMemSetup32x(void)
     sh2_write16_map[i]      = sh2_write16_unmapped;
   }
 
+  // "purge area"
+  for (i = 0x08; i <= 0x0b; i++) {
+    sh2_write8_map[i]       =
+    sh2_write16_map[i]      = sh2_write_ignore;
+  }
+
   // CS0
   sh2_read8_map[0].addr   = sh2_read8_map[4].addr   = MAP_HANDLER(sh2_read8_cs0);
   sh2_read16_map[0].addr  = sh2_read16_map[4].addr  = MAP_HANDLER(sh2_read16_cs0);