make dma honour banking

[picodrive.git] / pico / videoport.c

diff --git a/pico/videoport.c b/pico/videoport.c
index 9ddc167..35ece48 100644 (file)
--- a/pico/videoport.c
+++ b/pico/videoport.c
@@ -8,6 +8,7 @@
  */\r
 \r
 #include "pico_int.h"\r
+#include "memory.h"\r
 \r
 int line_base_cycles;\r
 extern const unsigned char  hcounts_32[];\r
@@ -134,10 +135,10 @@ static void DmaSlow(int len)
     // if we have DmaHook, let it handle ROM because of possible DMA delay\r
     if (PicoDmaHook && PicoDmaHook(source, len, &pd, &pdend));\r
     else if (source<Pico.romsize) { // Rom\r
-      pd=(u16 *)(Pico.rom+(source&~1));\r
+      pd=m68k_dma_source(source);\r
       pdend=(u16 *)(Pico.rom+Pico.romsize);\r
     }\r
-    else {\r
+    if (!pd) {\r
       elprintf(EL_VDPDMA|EL_ANOMALY, "DmaSlow[%i] %06x->%04x: invalid src", Pico.video.type, source, a);\r
       return;\r
     }\r