X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=Pico%2FPicoFrameHints.c;h=c14040a604b33837c3adcbdb683f39551ec19316;hb=7d4906bfc93ced40a544534f433f06b00add52b0;hp=562229f7b7e739f3b30d037852972b67ddedface;hpb=5f20bb80364b4a30149bbb6a7e73af3209532e56;p=picodrive.git

diff --git a/Pico/PicoFrameHints.c b/Pico/PicoFrameHints.c
index 562229f..c14040a 100644
--- a/Pico/PicoFrameHints.c
+++ b/Pico/PicoFrameHints.c
@@ -22,7 +22,7 @@
     else { \
       cnt = SekCyclesDone() - z80startCycle; \
       cnt = (cnt>>1)-(cnt>>5); \
-      if (cnt > (z80_cycles)) cnt = z80_cycles; \
+      if (cnt < 0 || cnt > (z80_cycles)) cnt = z80_cycles; \
       Pico.m.z80Run |= 2; \
       z80CycleAim+=cnt; \
     } \