- [NEW] Sprites funcionant

- [NEW] OAM DMA copy funcionant

mem.cpp

@@ -12,9 +12,14 @@ namespace mem
     void (*setTag)(uint16_t, uint8_t);
     void (*saveState)(FILE*);
     void (*loadState)(FILE*);
-
+    uint8_t*(*rawPtr)(uint16_t);
+    
     char *title = nullptr;
 
+    uint16_t dma_address = 0;
+    uint8_t dma_pos = 160;
+    uint16_t dma_dots = 0;
+
     void init(uint8_t* rom, const int size)
     {
         //if (memory) free(memory);
@@ -33,4 +38,23 @@ namespace mem
         };
     }
 
+    void init_dma_transfer(uint8_t source)
+    {
+        dma_address = source << 8;
+        dma_pos = 0;
+        dma_dots = 0;
+    }
+
+    void update_mapped(const uint32_t dt)
+    {
+        if (dma_pos<160) {
+            dma_dots += dt;
+            while (dma_dots >= 4 && dma_pos<160) {
+                dma_dots -= 4;
+                mem::writeMem(0xfe00|dma_pos, mem::readMem(dma_address|dma_pos));
+                dma_pos++;
+            }
+        }
+    }
+
 }