X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=picodrive.git;a=blobdiff_plain;f=pico%2Fvideoport.c;h=4da3ce3a763db540a0871c7678c4ba2590c9fac4;hp=1f57f2d4f04d0b89743b2be4957182398ee384b3;hb=334f00e24ed55a3e259d1a9d42c4530a770b9a56;hpb=3162a7104cbb9c1046a3d780dfc74bbc684bdc5b

diff --git a/pico/videoport.c b/pico/videoport.c
index 1f57f2d..4da3ce3 100644
--- a/pico/videoport.c
+++ b/pico/videoport.c
@@ -377,14 +377,12 @@ PICO_INTERNAL_ASM void PicoVideoWrite(unsigned int a,unsigned short d)
     }
 
     // preliminary FIFO emulation for Chaos Engine, The (E)
-    if (!(pvid->status&8) && (pvid->reg[1]&0x40) && !(PicoOpt&POPT_DIS_VDP_FIFO)) // active display?
+    if (!(pvid->status & SR_VB) && (pvid->reg[1] & 0x40) && !(PicoOpt&POPT_DIS_VDP_FIFO)) // active display?
     {
-      pvid->status&=~0x200; // FIFO no longer empty
-      pvid->lwrite_cnt++;
-      if (pvid->lwrite_cnt >= 4) pvid->status|=0x100; // FIFO full
-      if (pvid->lwrite_cnt >  4) {
-        SekCyclesBurnRun(32); // penalty // 488/12-8
-      }
+      int use = pvid->type == 1 ? 2 : 1;
+      pvid->lwrite_cnt -= use;
+      if (pvid->lwrite_cnt < 0)
+        SekCyclesLeft = 0;
       elprintf(EL_ASVDP, "VDP data write: %04x [%06x] {%i} #%i @ %06x", d, Pico.video.addr,
                Pico.video.type, pvid->lwrite_cnt, SekPc);
     }