X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fv63701.h;h=19842b3972ac95afef96c2d5ee590913bf741441;hb=HEAD;hp=47c5b1802d386f164b380f06e42b433e9b8dcc84;hpb=756fbabdd25117272164fd2d31810e6018a5990e;p=thunder

diff --git a/src/v63701.h b/src/v63701.h
index 47c5b18..19842b3 100644
--- a/src/v63701.h
+++ b/src/v63701.h
@@ -4,7 +4,6 @@
 // by James Hammons
 // (C) 2014 Underground Software
 //
-
 #ifndef __V63701_H__
 #define __V63701_H__
 
@@ -19,14 +18,14 @@
 #define FLAG_V		0x02		// oVerflow
 #define FLAG_C		0x01		// Carry
 
-#define V63701_ASSERT_LINE_RESET	0x0001	// v63701 RESET line
-#define V63701_ASSERT_LINE_IRQ		0x0002	// v63701 IRQ line
-#define V63701_ASSERT_LINE_NMI		0x0004	// v63701 NMI line
-#define V63701_STATE_WAI			0x0008	// v63701 wait for IRQ line
-#define V63701_ASSERT_TIMER_OVERFLOW	0x0010
-#define V63701_ASSERT_OUTPUT_COMPARE	0x0020
-#define V63701_ASSERT_INPUT_CAPTURE	0x0040
-#define V63701_ASSERT_TRAP			0x0080	// Illegal instruction executed flag
+#define V63701_LINE_RESET		0x0001	// v63701 RESET line
+#define V63701_LINE_IRQ			0x0002	// v63701 IRQ line
+#define V63701_LINE_NMI			0x0004	// v63701 NMI line
+#define V63701_STATE_WAI		0x0008	// v63701 wait for IRQ line
+#define V63701_TIMER_OVERFLOW	0x0010
+#define V63701_OUTPUT_COMPARE	0x0020
+#define V63701_INPUT_CAPTURE	0x0040
+#define V63701_TRAP				0x0080	// Illegal instruction executed flag
 //#define V6809_START_DEBUG_LOG		0x8000	// Debug log go (temporary!)
 
 // Useful structs
@@ -105,8 +104,8 @@ struct V63701REGS
 	Word outputCompare;				// 63701 Output Compare register
 	uint8_t ddr1;
 	uint8_t ddr2;
-	uint8_t port1;
-	uint8_t port2;
+	uint8_t port1data;
+	uint8_t port2data;
 	uint8_t ramCtrl;
 	uint8_t cWriteLatch;			// Counter write latch
 	uint8_t cReadLatch;				// Counter read latch
@@ -128,5 +127,10 @@ uint64_t GetCurrentV63701Clock(void);		// Get the clock of the currently executi
 uint8_t InternalRegisterRead(uint16_t);
 void InternalRegisterWrite(uint16_t, uint8_t);
 
-#endif	// __V63701_H__
+// These functions must be implemented by the user...
+extern uint8_t V63701ReadPort1(void);
+extern uint8_t V63701ReadPort2(void);
+extern void V63701WritePort1(uint8_t);
+extern void V63701WritePort2(uint8_t);
 
+#endif	// __V63701_H__