X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=Pico%2FPico.c;h=0e9ee6c2bf8a9198bc9f05773494b28020c319fb;hb=259ed0ea6635845527a3da94a67a6260463861e6;hp=38c8233ce9a15ec9c79c8d71d18239959d06b48c;hpb=03e4f2a349247334666c87abe3a908df72d23051;p=picodrive.git

diff --git a/Pico/Pico.c b/Pico/Pico.c
index 38c8233..0e9ee6c 100644
--- a/Pico/Pico.c
+++ b/Pico/Pico.c
@@ -17,7 +17,9 @@ int PicoSkipFrame=0; // skip rendering frame?
 int PicoRegionOverride = 0; // override the region detection 0: Auto, 1: Japan NTSC, 2: Japan PAL, 4: US, 8: Europe
 int PicoAutoRgnOrder = 0;
 int emustatus = 0; // rapid_ym2612, multi_ym_updates
-void (*PicoWriteSound)(int len) = 0; // called once per frame at the best time to send sound buffer (PsndOut) to hardware
+void (*PicoWriteSound)(int len) = NULL; // called at the best time to send sound buffer (PsndOut) to hardware
+void (*PicoResetHook)(void) = NULL;
+void (*PicoLineHook)(int count) = NULL;
 
 struct PicoSRAM SRam = {0,};
 int z80startCycle, z80stopCycle; // in 68k cycles
@@ -137,7 +139,9 @@ int PicoReset(int hard)
   Pico.m.pal=pal;
   Pico.video.status = 0x3408 | pal; // always set bits | vblank | pal
 
-  sound_reset(); // pal must be known here
+  PsndReset(); // pal must be known here
+
+  if (PicoResetHook) PicoResetHook();
 
   if (PicoMCD & 1) {
     PicoResetMCD(hard);
@@ -205,7 +209,7 @@ static __inline void SekRunM68k(int cyc)
   if((cyc_do=SekCycleAim-SekCycleCnt) <= 0) return;
 #if defined(EMU_CORE_DEBUG)
   // this means we do run-compare
-  SekCycleCnt+=CM_compareRun(cyc_do);
+  SekCycleCnt+=CM_compareRun(cyc_do, 0);
 #elif defined(EMU_C68K)
   PicoCpuCM68k.cycles=cyc_do;
   CycloneRun(&PicoCpuCM68k);
@@ -213,7 +217,7 @@ static __inline void SekRunM68k(int cyc)
 #elif defined(EMU_M68K)
   SekCycleCnt+=m68k_execute(cyc_do);
 #elif defined(EMU_F68K)
-  SekCycleCnt+=fm68k_emulate(cyc_do+1);
+  SekCycleCnt+=fm68k_emulate(cyc_do+1, 0);
 #endif
 }
 
@@ -222,7 +226,7 @@ static __inline void SekStep(void)
   // this is required for timing sensitive stuff to work
   int realaim=SekCycleAim; SekCycleAim=SekCycleCnt+1;
 #if defined(EMU_CORE_DEBUG)
-  SekCycleCnt+=CM_compareRun(1);
+  SekCycleCnt+=CM_compareRun(1, 0);
 #elif defined(EMU_C68K)
   PicoCpuCM68k.cycles=1;
   CycloneRun(&PicoCpuCM68k);
@@ -230,7 +234,7 @@ static __inline void SekStep(void)
 #elif defined(EMU_M68K)
   SekCycleCnt+=m68k_execute(1);
 #elif defined(EMU_F68K)
-  SekCycleCnt+=fm68k_emulate(1);
+  SekCycleCnt+=fm68k_emulate(1, 0);
 #endif
   SekCycleAim=realaim;
 }
@@ -251,22 +255,29 @@ static int CheckIdle(void)
 // to be called on 224 or line_sample scanlines only
 static __inline void getSamples(int y)
 {
+#if SIMPLE_WRITE_SOUND
+  if (y != 224) return;
+  PsndRender(0, PsndLen);
+  if (PicoWriteSound) PicoWriteSound(PsndLen);
+  PsndClear();
+#else
   static int curr_pos = 0;
 
   if(y == 224) {
     if(emustatus & 2)
-         curr_pos += sound_render(curr_pos, PsndLen-PsndLen/2);
-    else curr_pos  = sound_render(0, PsndLen);
+         curr_pos += PsndRender(curr_pos, PsndLen-PsndLen/2);
+    else curr_pos  = PsndRender(0, PsndLen);
     if (emustatus&1) emustatus|=2; else emustatus&=~2;
     if (PicoWriteSound) PicoWriteSound(curr_pos);
     // clear sound buffer
-    sound_clear();
+    PsndClear();
   }
   else if(emustatus & 3) {
     emustatus|= 2;
     emustatus&=~1;
-    curr_pos = sound_render(0, PsndLen/2);
+    curr_pos = PsndRender(0, PsndLen/2);
   }
+#endif
 }
 
 
@@ -293,14 +304,14 @@ static void PicoRunZ80Simple(int line_from, int line_to)
   if (PicoOpt&1) {
     // we have ym2612 enabled, so we have to run Z80 in lines, so we could update DAC and timers
     for (line = line_from; line < line_to; line++) {
-      sound_timers_and_dac(line);
+      Psnd_timers_and_dac(line);
       if ((line == 224 || line == line_sample) && PsndOut) getSamples(line);
       if (line == 32 && PsndOut) emustatus &= ~1;
       if (line >= line_from_r && line < line_to_r)
-        z80_run(228);
+        z80_run_nr(228);
     }
   } else if (line_to_r-line_from_r > 0) {
-    z80_run(228*(line_to_r-line_from_r));
+    z80_run_nr(228*(line_to_r-line_from_r));
     // samples will be taken by caller
   }
 }
@@ -360,6 +371,7 @@ static int PicoFrameSimple(void)
     SekRunM68k(cycles_68k_block);
 
     PicoRunZ80Simple(line, lines);
+    if (PicoLineHook) PicoLineHook(lines_step);
     line=lines;
   }
 
@@ -373,6 +385,7 @@ static int PicoFrameSimple(void)
 
     lines += sects*lines_step;
     PicoRunZ80Simple(line, lines);
+    if (PicoLineHook) PicoLineHook(sects*lines_step);
   }
 
   // render screen
@@ -397,10 +410,10 @@ static int PicoFrameSimple(void)
 
   // here we render sound if ym2612 is disabled
   if (!(PicoOpt&1) && PsndOut) {
-    int len = sound_render(0, PsndLen);
+    int len = PsndRender(0, PsndLen);
     if (PicoWriteSound) PicoWriteSound(len);
     // clear sound buffer
-    sound_clear();
+    PsndClear();
   }
 
   // a gap between flags set and vint
@@ -436,6 +449,7 @@ static int PicoFrameSimple(void)
     SekRunM68k(cycles_68k_vblock);
 
     PicoRunZ80Simple(line, lines);
+    if (PicoLineHook) PicoLineHook(lines_step);
     line=lines;
 
     sects--;
@@ -446,6 +460,7 @@ static int PicoFrameSimple(void)
   if (sects) {
     lines += sects*lines_step;
     PicoRunZ80Simple(line, lines);
+    if (PicoLineHook) PicoLineHook(sects*lines_step);
   }
 
   return 0;
@@ -487,6 +502,17 @@ void PicoFrameDrawOnly(void)
   for (y=0;y<224;y++) PicoLine(y);
 }
 
+int PicoGetStat(pstat_t which)
+{
+  switch (which)
+  {
+    case PS_PAL:       return Pico.m.pal;
+    case PS_40_CELL:   return Pico.video.reg[12]&1;
+    case PS_240_LINES: return Pico.m.pal && (Pico.video.reg[1]&8);
+  }
+  return 0;
+}
+
 // callback to output message from emu
 void (*PicoMessage)(const char *msg)=NULL;
 
@@ -573,14 +599,6 @@ char *debugString(void)
   }
 #endif
 
-#if 0
-  {
-    FILE *f = fopen("zram", "wb");
-    fwrite(Pico.zram, 1, 0x2000, f);
-    fclose(f);
-  }
-#endif
-
   return dstr;
 }
 #endif