X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=Pico%2FPicoFrameHints.c;h=1b3526832e9e6967beba46dac5eb01c139a7a9c7;hb=f53f286a8b48d19c65e83f90d00aa47e8e87c889;hp=c14040a604b33837c3adcbdb683f39551ec19316;hpb=9a8ffeeeea54301c5289fd510aece552175ce13d;p=picodrive.git

diff --git a/Pico/PicoFrameHints.c b/Pico/PicoFrameHints.c
index c14040a..1b35268 100644
--- a/Pico/PicoFrameHints.c
+++ b/Pico/PicoFrameHints.c
@@ -1,3 +1,6 @@
+// common code for Pico.c and cd/Pico.c
+// (c) Copyright 2007, Grazvydas "notaz" Ignotas
+
 #define CYCLES_M68K_LINE     488 // suitable for both PAL/NTSC
 #define CYCLES_M68K_VINT_LAG  68
 #define CYCLES_M68K_ASD      148
@@ -54,10 +57,20 @@
 static int PicoFrameHints(void)
 {
   struct PicoVideo *pv=&Pico.video;
-  int lines,y,lines_vis = 224,total_z80 = 0,z80CycleAim = 0,line_sample;
-  int skip=PicoSkipFrame || (PicoOpt&0x10);
+  int lines, y, lines_vis = 224, total_z80 = 0, z80CycleAim = 0, line_sample, skip;
   int hint; // Hint counter
 
+  if ((PicoOpt&0x10) && !PicoSkipFrame) {
+    // draw a frame just after vblank in alternative render mode
+    // yes, this will cause 1 frame lag, but this is inaccurate mode anyway.
+    PicoFrameFull();
+#ifdef DRAW_FINISH_FUNC
+    DRAW_FINISH_FUNC();
+#endif
+    skip = 1;
+  }
+  else skip=PicoSkipFrame;
+
   if (Pico.m.pal) {
     //cycles_68k = (int) ((double) OSC_PAL  /  7 / 50 / 312 + 0.4); // should compile to a constant (488)
     //cycles_z80 = (int) ((double) OSC_PAL  / 15 / 50 / 312 + 0.4); // 228
@@ -120,7 +133,7 @@ static int PicoFrameHints(void)
       PicoLine(y);
 
     if(PicoOpt&1)
-      sound_timers_and_dac(y);
+      Psnd_timers_and_dac(y);
 
 #ifndef PICO_CD
     // get samples from sound chips
@@ -139,6 +152,11 @@ static int PicoFrameHints(void)
 #endif
   }
 
+#ifdef DRAW_FINISH_FUNC
+  if (!skip)
+    DRAW_FINISH_FUNC();
+#endif
+
   // V-int line (224 or 240)
   Pico.m.scanline=(short)y;
 
@@ -177,7 +195,7 @@ static int PicoFrameHints(void)
     z80_int();
 
   if (PicoOpt&1)
-    sound_timers_and_dac(y);
+    Psnd_timers_and_dac(y);
 
   // get samples from sound chips
 #ifndef PICO_CD
@@ -208,7 +226,7 @@ static int PicoFrameHints(void)
 #endif
 
     if(PicoOpt&1)
-      sound_timers_and_dac(y);
+      Psnd_timers_and_dac(y);
 
     // Run scanline:
     if (Pico.m.dma_xfers) SekCyclesBurn(CheckDMA());
@@ -219,10 +237,6 @@ static int PicoFrameHints(void)
 #endif
   }
 
-  // draw a frame just after vblank in alternative render mode
-  if (!PicoSkipFrame && (PicoOpt&0x10))
-    PicoFrameFull();
-
   return 0;
 }