X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=pico%2Fcd%2Fmemory.c;h=acf29c64a978a6e9b1e5cb259c3d5fa8a4505573;hb=28653a497989e5d3c202c525983dbc16fe576b50;hp=7d838fc983014383cf3a91bc8739090b0f3ef7dc;hpb=274fcc35aa20e9777a8e09630a94088757384329;p=picodrive.git

diff --git a/pico/cd/memory.c b/pico/cd/memory.c
index 7d838fc..acf29c6 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;
@@ -434,8 +440,23 @@ void s68k_reg_write8(u32 a, u32 d)
       return;
     }
     case 0x4b:
-      Pico_mcd->s68k_regs[a] = (u8) d;
+      Pico_mcd->s68k_regs[a] = 0; // (u8) d; ?
       cdd_process();
+      {
+        static const char *nm[] =
+          { "stat", "stop", "read_toc", "play",
+            "seek", "???",  "pause",    "resume",
+            "ff",   "fr",   "tjump",    "???",
+            "close","open", "???",      "???" };
+        u8 *c = &Pico_mcd->s68k_regs[0x42];
+        u8 *s = &Pico_mcd->s68k_regs[0x38];
+        elprintf(EL_CD,
+          "CDD command: %02x %02x %02x %02x %02x %02x %02x %02x %12s",
+          c[0], c[1], c[2], c[3], c[4], c[5], c[6], c[7], nm[c[0] & 0x0f]);
+        elprintf(EL_CD,
+          "CDD status:  %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x",
+          s[0], s[1], s[2], s[3], s[4], s[5], s[6], s[7], s[8], s[9]);
+      }
       return;
     case 0x58:
       return;