X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=Pico%2Fcd%2FPico.c;h=0759acb4157cd19333057add11c4262ab9085eb0;hb=d9153729685381acb0559d8a4fdca47cb839427a;hp=00be7b67570640ae6ddd86d9e229135159ead2f3;hpb=c008977e8ec74b68cbccc017620a156cc39b79b2;p=picodrive.git

diff --git a/Pico/cd/Pico.c b/Pico/cd/Pico.c
index 00be7b6..0759acb 100644
--- a/Pico/cd/Pico.c
+++ b/Pico/cd/Pico.c
@@ -331,8 +331,15 @@ static int PicoFrameHintsMCD(void)
     }
 
     if ((PicoOpt&4) && Pico.m.z80Run) {
-      Pico.m.z80Run|=2;
-      z80CycleAim+=cycles_z80;
+      if (Pico.m.z80Run & 2) z80CycleAim+=cycles_z80;
+      else {
+        int cnt = SekCyclesDone() - z80startCycle;
+        cnt = (cnt>>1)-(cnt>>5);
+        //if (cnt > cycles_z80) printf("FIXME: z80 cycles: %i\n", cnt);
+        if (cnt > cycles_z80) cnt = cycles_z80;
+        Pico.m.z80Run |= 2;
+        z80CycleAim+=cnt;
+      }
       total_z80+=z80_run(z80CycleAim-total_z80);
     }