X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=Pico%2FPico.c;h=259dc18a11065cff8b5baaea747fda661ffbea21;hb=f58f05d28a40e783a6159186d01dbfe67cdc0728;hp=62b1b48ac094a78fa048d0c0863765a413b1398f;hpb=0af33fe0ef24a3e3b65217ad0d7aa2db03d16fc1;p=picodrive.git

diff --git a/Pico/Pico.c b/Pico/Pico.c
index 62b1b48..259dc18 100644
--- a/Pico/Pico.c
+++ b/Pico/Pico.c
@@ -8,7 +8,6 @@
 
 
 #include "PicoInt.h"
-#include "sound/sound.h"
 #include "sound/ym2612.h"
 
 int PicoVer=0x0110;
@@ -218,8 +217,8 @@ static int dma_bsycles[] = {
 (488<<8)/9,   (488<<8)/18,  (488<<8)/17,  (488<<8)/9
 };
 
-//static
-int CheckDMA(void)
+
+PICO_INTERNAL int CheckDMA(void)
 {
   int burn = 0, bytes_can = 0, dma_op = Pico.video.reg[0x17]>>6; // see gens for 00 and 01 modes
   int bytes = Pico.m.dma_bytes;
@@ -459,19 +458,9 @@ static void PicoRunZ80Simple(int line_from, int line_to)
 {
   int line_from_r=line_from, line_to_r=line_to, line = line_from;
   int line_sample = Pico.m.pal ? 68 : 93;
-  extern const unsigned short vcounts[];
 
   if(!(PicoOpt&4) || Pico.m.z80Run == 0) { line_from_r = line_to_r; line_to_r = 0; }
 
-  if(z80startCycle != 0x01000000) {
-    line_from_r = vcounts[z80startCycle>>8]+1;
-    z80startCycle = 0x01000000;
-  }
-  if(z80stopCycle != 0x01000000) {
-    line_to_r = vcounts[z80stopCycle>>8]+1;
-    z80stopCycle = 0x01000000;
-  }
-
   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_to; line++) {
@@ -653,6 +642,13 @@ int PicoFrame(void)
   return 0;
 }
 
+void PicoFrameDrawOnly(void)
+{
+  int y;
+  PicoFrameStart();
+  for (y=0;y<224;y++) PicoLine(y);
+}
+
 // callback to output message from emu
 void (*PicoMessage)(const char *msg)=NULL;