X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fv6809.h;fp=src%2Fv6809.h;h=ae8a33754efbab92c42927d80e2b6ca511004993;hb=a7c3ff9deab4cefbc76ac52d38b67e7033c63cf6;hp=380318c243bce63d9363873a1221efc19592262c;hpb=6e4a6b1f4aecb0ec7cab2c3dea9553f30f848a4c;p=thunder

diff --git a/src/v6809.h b/src/v6809.h
old mode 100644
new mode 100755
index 380318c..ae8a337
--- a/src/v6809.h
+++ b/src/v6809.h
@@ -1,9 +1,9 @@
 //
 // Virtual 6809 Header file
 //
-// by James Hammons
+// by James L. Hammons
 //
-// (C) 1997, 2014 Underground Software
+// (C) 1997, 2004 Underground Software
 //
 
 #ifndef __V6809_H__
@@ -13,14 +13,14 @@
 
 // Useful defines
 
-#define FLAG_E	0x80		// Entire
-#define FLAG_F	0x40		// Fast IRQ
-#define FLAG_H	0x20		// Half carry
-#define FLAG_I	0x10		// IRQ
-#define FLAG_N	0x08		// Negative
-#define FLAG_Z	0x04		// Zero
-#define FLAG_V	0x02		// oVerflow
-#define FLAG_C	0x01		// Carry
+#define FLAG_E		0x80		// Entire
+#define FLAG_F		0x40		// Fast IRQ
+#define FLAG_H		0x20		// Half carry
+#define FLAG_I		0x10		// IRQ
+#define FLAG_N		0x08		// Negative
+#define FLAG_Z		0x04		// Zero
+#define FLAG_V		0x02		// oVerflow
+#define FLAG_C		0x01		// Carry
 
 #define V6809_ASSERT_LINE_RESET		0x0001		// v6809 RESET line
 #define V6809_ASSERT_LINE_IRQ		0x0002		// v6809 IRQ line
@@ -28,6 +28,7 @@
 #define V6809_ASSERT_LINE_NMI		0x0008		// v6809 NMI line
 #define V6809_STATE_SYNC			0x0010		// v6809 SYNC line
 #define V6809_STATE_ILLEGAL_INST	0x0020		// Illegal instruction executed flag
+
 //#define V6809_START_DEBUG_LOG	EQU	0020h		// Debug log go (temporary!)
 
 // Useful structs
@@ -43,10 +44,9 @@ struct V6809REGS
 	uint8_t a;						// 6809 A register
 	uint8_t b;						// 6809 B register
 	uint8_t dp;						// 6809 Direct Page register
-//	uint32_t clock;					// 6809 clock (@ 1 MHz, wraps at 71.5 minutes)
 	uint64_t clock;					// 6809 clock (@ 1 MHz, wraps at 570842 years)
-	uint8_t (* RdMem)(uint16_t);		// Address of uint8_t read routine
-	void (* WrMem)(uint16_t, uint8_t);	// Address of uint8_t write routine
+	uint8_t (* RdMem)(uint16_t);	// Address of uint8 read routine
+	void (* WrMem)(uint16_t, uint8_t);	// Address of uint8 write routine
 	uint32_t cpuFlags;				// v6809 IRQ/RESET flags
 	uint32_t clockOverrun;
 };