X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=pico%2Fcd%2Fmemory.c;h=e660e35bc5d7f5bb86e18c37d99aa71f2e539144;hb=0104fd873b44d7352336fa494246803addffb66a;hp=055107886f79ed68f9b6d94eb35f3c046db45816;hpb=7b3ddc11dc21025f2a64116d664c745c07c54984;p=picodrive.git

diff --git a/pico/cd/memory.c b/pico/cd/memory.c
index 0551078..e660e35 100644
--- a/pico/cd/memory.c
+++ b/pico/cd/memory.c
@@ -67,6 +67,12 @@ static void remap_word_ram(u32 r3);
 void m68k_comm_check(u32 a)
 {
   pcd_sync_s68k(SekCyclesDone(), 0);
+  if (a >= 0x0e && !Pico_mcd->m.need_sync) {
+    // there are cases when slave updates comm and only switches RAM
+    // over after that (mcd1b), so there must be a resync..
+    SekEndRun(64);
+    Pico_mcd->m.need_sync = 1;
+  }
   if (SekNotPolling || a != Pico_mcd->m.m68k_poll_a) {
     Pico_mcd->m.m68k_poll_a = a;
     Pico_mcd->m.m68k_poll_cnt = 0;
@@ -379,7 +385,7 @@ void s68k_reg_write8(u32 a, u32 d)
       //dprintf("s68k CDC reg addr: %x", d&0xf);
       break;
     case 7:
-      cdc_reg_w(d);
+      cdc_reg_w(d & 0xff);
       return;
     case 0xa:
       elprintf(EL_CDREGS, "s68k set CDC dma addr");