Misc. improvements, added WOZ file support to floppy emulation

[apple2] / src / v6522via.h

diff --git a/src/mos6522via.h b/src/v6522via.h
similarity index 61%
rename from src/mos6522via.h
rename to src/v6522via.h
index 4d494a96fc84216e9b599efad816a3e47e824aa1..6e52022eaa2c9d604fe9a464269e5f924cb53177 100644 (file)
--- a/src/mos6522via.h
+++ b/src/v6522via.h
@@ -1,15 +1,16 @@
-// Mockingboard support
+//
+// Virtual 6522 Versatile Interface Adapter
 //
 // by James Hammons
 // (C) 2018 Underground Software
 //
 
-#ifndef __MOS6522VIA_H__
-#define __MOS6522VIA_H__
+#ifndef __V6522VIA_H__
+#define __V6522VIA_H__
 
 #include <stdint.h>
 
-struct MOS6522VIA
+struct V6522VIA
 {
        uint8_t orb, ora;               // Output Register B, A
        uint8_t ddrb, ddra;             // Data Direction Register B, A
@@ -19,13 +20,14 @@ struct MOS6522VIA
        uint8_t acr;                    // Auxillary Control Register
        uint8_t ifr;                    // Interrupt Flags Register
        uint8_t ier;                    // Interrupt Enable Register
-};
-
+       uint8_t id;                             // Chip ID # (optional)
 
-extern MOS6522VIA mbvia[];
-
-
-void ResetMBVIAs(void);
+       V6522VIA();
+       void Reset(void);
+       uint8_t Read(uint8_t);
+       void Write(uint8_t, uint8_t);
+       bool Run(uint16_t);
+};
 
-#endif // __MOS6522VIA_H__
+#endif // __V6522VIA_H__