101 lines
2.4 KiB
C
101 lines
2.4 KiB
C
/*
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* Apple // emulator for *ix
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*
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* This software package is subject to the GNU General Public License
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* version 3 or later (your choice) as published by the Free Software
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* Foundation.
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*
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* Copyright 1994 Alexander Jean-Claude Bottema
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* Copyright 1995 Stephen Lee
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* Copyright 1997, 1998 Aaron Culliney
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* Copyright 1998, 1999, 2000 Michael Deutschmann
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* Copyright 2013-2015 Aaron Culliney
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*
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*/
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#ifndef A2_DEBUG_H
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#define A2_DEBUG_H
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#include "common.h"
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extern volatile bool is_debugging;
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typedef enum {
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STEPPING = 0,
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NEXTING,
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FINISHING,
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UNTILING,
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TYPING,
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LOADING,
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GOING
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} stepping_type_t;
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// FIXME TODO : make opaque type ...
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typedef struct stepping_struct_t {
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stepping_type_t step_type;
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uint16_t step_count;
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uint16_t step_frame;
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uint16_t step_pc;
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bool should_break;
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time_t timeout;
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const char *step_text;
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const bool step_deterministically;
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} stepping_struct_t;
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#define DEBUGGER_BUF_X 39
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#define DEBUGGER_BUF_Y 22
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#define MAX_BRKPTS 16
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/* debugger commands */
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enum token_type { MEM, DIS, REGS, SETMEM, STEP, FINISH, UNTIL, GO, VM,
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BREAK, WATCH, CLEAR, IGNORE, STATUS, OPCODES, LC, DRIVE,
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SEARCH, HELP, LOG, BSAVE, BLOAD, SAVE, FBSHA1, TYPE,
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LOAD, UNKNOWN };
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typedef enum {
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addr_implied,
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addr_accumulator,
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addr_immediate,
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addr_zeropage,
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addr_zeropage_x,
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addr_zeropage_y,
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addr_absolute,
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addr_absolute_x,
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addr_absolute_y,
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addr_indirect,
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addr_indirect_x,
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addr_indirect_y,
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addr_j_indirect, /* non-zeropage indirects, used in JMP only */
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addr_j_indirect_x,
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addr_relative
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} addressing_mode_t;
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struct opcode_struct
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{
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const char *mnemonic;
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addressing_mode_t mode;
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};
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extern const struct opcode_struct *opcodes;
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#ifdef INTERFACE_CLASSIC
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void c_interface_debugging(void);
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#endif
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void debugger_setInputText(const char *text, const bool deterministically);
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void debugger_setBreakCallback(bool(*cb)(void));
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void c_debugger_go(void);
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bool c_debugger_should_break(void);
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void c_debugger_set_timeout(const unsigned int secs);
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bool c_debugger_set_watchpoint(const uint16_t addr);
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void c_debugger_clear_watchpoints(void);
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extern const struct opcode_struct opcodes_6502[256];
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extern const struct opcode_struct opcodes_65c02[256];
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extern const struct opcode_struct opcodes_undoc[256];
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extern const char* const disasm_templates[15];
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extern const uint8_t opcodes_65c02_numargs[256];
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#endif
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