initial commit

atari800/src/monitor.h

@@ -0,0 +1,64 @@
+#ifndef MONITOR_H_
+#define MONITOR_H_
+
+#include "config.h"
+#include <stdio.h>
+
+#include "atari.h"
+
+int MONITOR_Run(void);
+
+#ifdef MONITOR_TRACE
+extern FILE *MONITOR_trace_file;
+#endif
+
+#ifdef MONITOR_BREAK
+extern UWORD MONITOR_break_addr;
+extern UBYTE MONITOR_break_step;
+extern UBYTE MONITOR_break_ret;
+extern UBYTE MONITOR_break_brk;
+extern int MONITOR_ret_nesting;
+#endif
+
+extern const UBYTE MONITOR_optype6502[256];
+
+void MONITOR_Exit(void);
+void MONITOR_ShowState(FILE *fp, UWORD pc, UBYTE a, UBYTE x, UBYTE y, UBYTE s,
+                char n, char v, char z, char c);
+
+#ifdef MONITOR_BREAKPOINTS
+
+/* Breakpoint conditions */
+
+#define MONITOR_BREAKPOINT_OR          1
+#define MONITOR_BREAKPOINT_FLAG_CLEAR  2
+#define MONITOR_BREAKPOINT_FLAG_SET    3
+
+/* these three may be ORed together and must be ORed with MONITOR_BREAKPOINT_PC .. MONITOR_BREAKPOINT_WRITE */
+#define MONITOR_BREAKPOINT_LESS        1
+#define MONITOR_BREAKPOINT_EQUAL       2
+#define MONITOR_BREAKPOINT_GREATER     4
+
+#define MONITOR_BREAKPOINT_PC          8
+#define MONITOR_BREAKPOINT_A           16
+#define MONITOR_BREAKPOINT_X           32
+#define MONITOR_BREAKPOINT_Y           40
+#define MONITOR_BREAKPOINT_S           48
+#define MONITOR_BREAKPOINT_READ        64
+#define MONITOR_BREAKPOINT_WRITE       128
+#define MONITOR_BREAKPOINT_ACCESS      (MONITOR_BREAKPOINT_READ | MONITOR_BREAKPOINT_WRITE)
+
+typedef struct {
+	UBYTE enabled;
+	UBYTE condition;
+	UWORD value;
+} MONITOR_breakpoint_cond;
+
+#define MONITOR_BREAKPOINT_TABLE_MAX  20
+extern MONITOR_breakpoint_cond MONITOR_breakpoint_table[MONITOR_BREAKPOINT_TABLE_MAX];
+extern int MONITOR_breakpoint_table_size;
+extern int MONITOR_breakpoints_enabled;
+
+#endif /* MONITOR_BREAKPOINTS */
+
+#endif /* MONITOR_H_ */