# HG changeset patch
# User Michael Pavone <pavone@retrodev.com>
# Date 1451530803 28800
# Node ID 2e465934bddce95ca61784c7562fa6470ae480d9
# Parent  f057975212e9fb7d0580245bb0135bc1afbad86d
Allow DMA from cartridge ROM above the 4MB mark. Should probably use get_native_pointer for everyting, but want to check the performance implications

diff -r f057975212e9 -r 2e465934bddc blastem.c
--- a/blastem.c	Thu Dec 17 20:41:43 2015 -0800
+++ b/blastem.c	Wed Dec 30 19:00:03 2015 -0800
@@ -134,6 +134,11 @@
 		return cart[address];
 	} else if(address >= 0x700000) {
 		return ram[address & 0x7FFF];
+	} else {
+		uint16_t *ptr = get_native_pointer(address*2, (void **)genesis->m68k->mem_pointers, &genesis->m68k->options->gen);
+		if (ptr) {
+			return *ptr;
+		}
 	}
 	//TODO: Figure out what happens when you try to DMA from weird adresses like IO or banked Z80 area
 	return 0;