X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fv6809.h;h=9511654fb9ceb3647bffa0a4fbbfd2e74cc50e8c;hb=f76a576fe270d4bd78eb4070eb9604115a096c2d;hp=6ad4424c03eec039f758ba9902eca239e70a7872;hpb=fa2e10a964b5f0305656d858a3a8273baad12624;p=thunder

diff --git a/src/v6809.h b/src/v6809.h
index 6ad4424..9511654 100755
--- a/src/v6809.h
+++ b/src/v6809.h
@@ -3,7 +3,7 @@
 //
 // by James L. Hammons
 //
-// (c) 1997, 2004 Underground Software
+// (C) 1997, 2004 Underground Software
 //
 
 #ifndef __V6809_H__
@@ -35,24 +35,29 @@
 
 struct V6809REGS
 {
-	uint16 pc;					// 6809 PC register
+	uint16 pc;						// 6809 PC register
 	uint16 x;						// 6809 X index register
 	uint16 y;						// 6809 Y index register
 	uint16 s;						// 6809 System stack pointer
 	uint16 u;						// 6809 User stack pointer
-	uint8 cc;					// 6809 Condition Code register
+	uint8 cc;						// 6809 Condition Code register
 	uint8 a;						// 6809 A register
 	uint8 b;						// 6809 B register
-	uint8 dp;					// 6809 Direct Page register
-	uint32 clock;				// 6809 clock
-//uint32 _reserved;//	uint8 (* Fetch)(uint16&);		// Address of uint8 fetch routine
+	uint8 dp;						// 6809 Direct Page register
+//	uint32 clock;					// 6809 clock (@ 1 MHz, wraps at 71.5 minutes)
+	uint64 clock;					// 6809 clock (@ 1 MHz, wraps at 570842 years)
 	uint8 (* RdMem)(uint16);		// Address of uint8 read routine
 	void (* WrMem)(uint16, uint8);	// Address of uint8 write routine
 	uint32 cpuFlags;				// v6809 IRQ/RESET flags
+	uint32 clockOverrun;
 };
 
 // Function prototypes
 
-void Execute6809(V6809REGS *, uint32);					// Function to execute 6809 instructions
+void Execute6809(V6809REGS *, uint32);			// Function to execute 6809 instructions
+uint64 GetCurrentV6809Clock(void);				// Get the clock of the currently executing CPU
+uint16 GetCurrentV6809PC(void);					// Get the PC of the currently executing CPU
+void SetLine(uint32 line);						// Set a line of the currently executing CPU
+void ClearLine(uint32 line);					// Clear a line of the currently executing CPU
 
 #endif	// __V6809_H__