--- nono/vm/sprite.h	2026/04/29 17:05:25	1.1.1.9
+++ nono/vm/sprite.h	2026/04/29 17:05:29	1.1.1.10
@@ -16,7 +16,7 @@ class SpriteDevice : public IODevice
 {
 	using inherited = IODevice;
 
-	static const int baseaddr = 0xeb0000;
+	static const uint32 baseaddr = 0xeb0000;
 
 	struct sprite_scroll {
 		uint16 xpos;
@@ -44,13 +44,14 @@ class SpriteDevice : public IODevice
 	SpriteDevice();
 	~SpriteDevice() override;
 
-	busdata Read8(uint32 addr) override;
-	busdata Read16(uint32 addr) override;
-	busdata Write8(uint32 addr, uint32 data) override;
-	busdata Write16(uint32 addr, uint32 data) override;
-	busdata Peek8(uint32 addr) override;
+	busdata Read(busaddr addr) override;
+	busdata Write(busaddr addr, uint32 data) override;
+	busdata Peek1(uint32 addr) override;
 
  private:
+	busdata Get16(uint32 addr) const;
+	busdata Set16(uint32 addr, uint32 data);
+
 	struct sprite_ctrl reg {};
 	std::unique_ptr<uint8[]> mem {};
 };