docs updated, gfx_cd works(?)

[libpicofe.git] / gp2x / emu.c

diff --git a/gp2x/emu.c b/gp2x/emu.c
index ce056b3..7c63cdb 100644 (file)
--- a/gp2x/emu.c
+++ b/gp2x/emu.c
@@ -969,13 +969,15 @@ static void updateSound(int len)
 {\r
        if (PicoOpt&8) len<<=1;\r
 \r
-       gp2x_sound_write(PsndOut, len<<1);\r
+       /* avoid writing audio when lagging behind to prevent audio lag */\r
+       if (PicoSkipFrame != 2)\r
+               gp2x_sound_write(PsndOut, len<<1);\r
 }\r
 \r
 \r
-static void SkipFrame(void)\r
+static void SkipFrame(int do_audio)\r
 {\r
-       PicoSkipFrame=1;\r
+       PicoSkipFrame=do_audio ? 1 : 2;\r
        PicoFrame();\r
        PicoSkipFrame=0;\r
 }\r
@@ -1157,7 +1159,7 @@ void emu_Loop(void)
                                // when second changes, but we don't want buffer to starve.\r
                                if(PsndOut && frames_done < target_fps && frames_done > target_fps-5) {\r
                                        updateKeys();\r
-                                       SkipFrame(); frames_done++;\r
+                                       SkipFrame(1); frames_done++;\r
                                }\r
 \r
                                frames_done  -= target_fps; if (frames_done  < 0) frames_done  = 0;\r
@@ -1170,7 +1172,7 @@ void emu_Loop(void)
                if(currentConfig.Frameskip >= 0) { // frameskip enabled\r
                        for(i = 0; i < currentConfig.Frameskip; i++) {\r
                                updateKeys();\r
-                               SkipFrame(); frames_done++;\r
+                               SkipFrame(1); frames_done++;\r
                                if (PsndOut) { // do framelimitting if sound is enabled\r
                                        gettimeofday(&tval, 0);\r
                                        if(thissec != tval.tv_sec) tval.tv_usec+=1000000;\r
@@ -1189,7 +1191,7 @@ void emu_Loop(void)
                                continue;\r
                        }\r
                        updateKeys();\r
-                       SkipFrame(/*tval.tv_usec < lim_time+target_frametime*/); frames_done++;\r
+                       SkipFrame(tval.tv_usec < lim_time+target_frametime); frames_done++;\r
                        continue;\r
                }\r
 \r