fixed the arrow problem in VR

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

diff --git a/Pico/carthw/svp/svp.c b/Pico/carthw/svp/svp.c
index bc7cddb..a196fa1 100644 (file)
--- a/Pico/carthw/svp/svp.c
+++ b/Pico/carthw/svp/svp.c
@@ -26,7 +26,13 @@ static void PicoSVPLine(int count)
 
 static int PicoSVPDma(unsigned int source, int len, unsigned short **srcp, unsigned short **limitp)
 {
-       if ((source & 0xfe0000) == 0x300000)
+       if (source < Pico.romsize) { // Rom
+               source -= 2;
+               *srcp = (unsigned short *)(Pico.rom + (source&~1));
+               *limitp = (unsigned short *)(Pico.rom + Pico.romsize);
+               return 1;
+       }
+       else if ((source & 0xfe0000) == 0x300000)
        {
                elprintf(EL_VDPDMA|EL_SVP, "SVP DmaSlow from %06x, len=%i", source, len);
                source &= 0x1fffe;