--- np2/vram/vram.h	2004/02/20 15:20:30	1.4
+++ np2/vram/vram.h	2005/02/16 09:31:55	1.8
@@ -11,34 +11,48 @@ typedef struct {
 	UINT	vramwait;
 	UINT	grcgwait;
 #endif
-} VRAM_T;
+#if defined(SUPPORT_PC9821)
+	UINT8	mio1[4];
+	UINT8	mio2[0x40];
+#endif
+} _VRAMOP, *VRAMOP;
 
 // operate:		bit0	access page
 //				bit1	egc enable
 //				bit2	grcg bit6
 //				bit3	grcg bit7
 //				bit4	analog enable
+//				bit5	pc9821 vga
 
 enum {
-	VOP_ACCESSBIT	= 0x01,
-	VOP_EGCBIT		= 0x02,
-	VOP_GRCGBIT		= 0x0c,
-	VOP_ANALOGBIT	= 0x10,
-
-	VOP_ACCESSMASK	= ~(0x01),
-	VOP_EGCMASK		= ~(0x02),
-	VOP_GRCGMASK	= ~(0x0c),
-	VOP_ANALOGMASK	= ~(0x10)
+	VOPBIT_ACCESS	= 0,
+	VOPBIT_EGC		= 1,
+	VOPBIT_GRCG		= 2,
+	VOPBIT_ANALOG	= 4,
+	VOPBIT_VGA		= 5
 };
 
+//	VOP_ACCESSBIT	= 0x01,
+//	VOP_EGCBIT		= 0x02,
+//	VOP_GRCGBIT		= 0x0c,
+//	VOP_ANALOGBIT	= 0x10,
+
+//	VOP_ACCESSMASK	= ~(0x01),
+//	VOP_EGCMASK		= ~(0x02),
+//	VOP_GRCGMASK	= ~(0x0c),
+//	VOP_ANALOGMASK	= ~(0x10)
+
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
-extern	VRAM_T	vramop;
-extern	BYTE	tramupdate[0x1000];
-extern	BYTE	vramupdate[0x8000];
+extern	_VRAMOP	vramop;
+extern	UINT8	tramupdate[0x1000];
+extern	UINT8	vramupdate[0x8000];
+#if defined(SUPPORT_PC9821)
+extern	UINT8	vramex[0x80000];
+#endif
 
 void vram_initialize(void);