+#ifdef NEED_DMA_SOURCE // meh
+
+static __inline void *m68k_dma_source(u32 a)
+{
+ u8 *base;
+ uptr v;
+ v = m68k_read16_map[a >> M68K_MEM_SHIFT];
+ if (map_flag_set(v)) {
+ if (a >= Pico.romsize) // Rom
+ return NULL;
+ base = Pico.rom;
+ }
+ else
+ base = (void *)(v << 1);
+ return base + (a & 0xfe0000);
+}
+
+#endif
+
+// 32x
+typedef struct {
+ uptr addr; // stores (membase >> 1) or ((handler >> 1) | (1<<31))
+ u32 mask;
+} sh2_memmap;