svp hack, as nonacc mode is gone

[picodrive.git] / Pico / carthw / svp / svp.c

diff --git a/Pico/carthw/svp/svp.c b/Pico/carthw/svp/svp.c
index 8d09f49..4e01a92 100644 (file)
--- a/Pico/carthw/svp/svp.c
+++ b/Pico/carthw/svp/svp.c
@@ -38,16 +38,32 @@ static void PicoSVPReset(void)
 
        memcpy(svp->iram_rom + 0x800, Pico.rom + 0x800, 0x20000 - 0x800);
        ssp1601_reset(&svp->ssp1601);
+#ifndef PSP
        if ((PicoOpt&POPT_EN_SVP_DRC) && svp_dyn_ready)
                ssp1601_dyn_reset(&svp->ssp1601);
+#endif
 }
 
 
-static void PicoSVPLine(int count)
+static void PicoSVPLine(void)
 {
+       int count = 1;
+#if defined(ARM) || defined(PSP)
+       // performance hack
+       static int delay_lines = 0;
+       delay_lines++;
+       if ((Pico.m.scanline&0xf) != 0xf && Pico.m.scanline != 261 && Pico.m.scanline != 311)
+               return;
+       count = delay_lines;
+       delay_lines = 0;
+#endif
+
+#ifndef PSP
        if ((PicoOpt&POPT_EN_SVP_DRC) && svp_dyn_ready)
                ssp1601_dyn_run(PicoSVPCycles * count);
-       else {
+       else
+#endif
+       {
                ssp1601_run(PicoSVPCycles * count);
                svp_dyn_ready = 0; // just in case
        }
@@ -126,10 +142,12 @@ void PicoSVPStartup(void)
 
        // init SVP compiler
        svp_dyn_ready = 0;
+#ifndef PSP
        if (PicoOpt&POPT_EN_SVP_DRC) {
                if (ssp1601_dyn_startup()) return;
                svp_dyn_ready = 1;
        }
+#endif
 
        // init ok, setup hooks..
        PicoRead16Hook = PicoSVPRead16;