more SVP work

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

diff --git a/Pico/carthw/svp/svp.c b/Pico/carthw/svp/svp.c
index 7b916ff..970ba42 100644 (file)
--- a/Pico/carthw/svp/svp.c
+++ b/Pico/carthw/svp/svp.c
@@ -6,6 +6,7 @@ static void PicoSVPReset(void)
 {
        elprintf(EL_SVP, "SVP reset");
 
+       memcpy(svp->iram_rom + 0x800, Pico.rom + 0x800, 0x20000 - 0x800);
        ssp1601_reset(&svp->ssp1601);
 }
 
@@ -16,18 +17,17 @@ static void PicoSVPLine(void)
        // OSC_NTSC / 3.0 / 60.0 / 262.0 ~= 1139
        // OSC_PAL  / 3.0 / 50.0 / 312.0 ~= 1137
        ssp1601_run(100);
-       exit(1);
 }
 
 
-static int PicoSVPDma(unsigned int source, unsigned short **srcp, unsigned short **limitp)
+static int PicoSVPDma(unsigned int source, int len, unsigned short **srcp, unsigned short **limitp)
 {
        if ((source & 0xfe0000) == 0x300000)
        {
-               elprintf(EL_VDPDMA|EL_SVP, "SVP DmaSlow from %06x", source);
+               elprintf(EL_VDPDMA|EL_SVP, "SVP DmaSlow from %06x, len=%i", source, len);
                source &= 0x1fffe;
-               *srcp = (unsigned short *)(svp->ram + source);
-               *limitp = (unsigned short *)(svp->ram + sizeof(svp->ram));
+               *srcp = (unsigned short *)(svp->dram + source);
+               *limitp = (unsigned short *)(svp->dram + sizeof(svp->dram));
                return 1;
        }