Blitter throttle option (non-ce/non-immediate mode only)

diff --git a/blitter.cpp b/blitter.cpp
index 24b8eeb5cd7f1600eb86aebcd5cec64f578d9cda..44bf45655f3a329a42f206a40e2bb9c950f5e356 100644 (file)
--- a/blitter.cpp
+++ b/blitter.cpp
@@ -909,6 +909,16 @@ static void blitter_doit (void)
        blitter_done (current_hpos ());
 }
 
+static int makebliteventtime(int delay)
+{
+       if (delay) {
+               delay += delay - (int)(delay * (1 + currprefs.blitter_speed_throttle) + 0.5);
+               if (delay <= 0)
+                       delay = 1;
+       }
+       return delay;
+}
+
 void blitter_handler (uae_u32 data)
 {
        static int blitter_stuck;
@@ -925,7 +935,7 @@ void blitter_handler (uae_u32 data)
        }
        blitter_stuck = 0;
        if (blit_slowdown > 0 && !immediate_blits) {
-               event2_newevent (ev2_blitter, blit_slowdown, 0);
+               event2_newevent (ev2_blitter, makebliteventtime(blit_slowdown), 0);
                blit_slowdown = -1;
                return;
        }
@@ -1626,8 +1636,8 @@ static void do_blitter2 (int hpos, int copper)
                return;
        }
        
-       blit_cyclecounter = cycles * (blit_dmacount2 + (blit_nod ? 0 : 1)); 
-       event2_newevent (ev2_blitter, blit_cyclecounter, 0);
+       blit_cyclecounter = cycles * (blit_dmacount2 + (blit_nod ? 0 : 1));
+       event2_newevent (ev2_blitter, makebliteventtime(blit_cyclecounter), 0);
 
        if (dmaen (DMA_BLITTER) && (currprefs.cpu_model >= 68020 || !currprefs.cpu_memory_cycle_exact)) {
                if (currprefs.waiting_blits) {