// Commander X16 Emulator

// Copyright (c) 2019 Michael Steil

// All rights reserved. License: 2-clause BSD

#ifndef _GLUE_H_

#define _GLUE_H_

#include <stdint.h>

#include <stdbool.h>

#include <SDL.h>

#include "cpu/registers.h"

#ifdef __cplusplus

extern "C" {

#endif

//#define TRACE

//#define PERFSTAT

#define NUM_MAX_BANKS 256

#define NUM_MAX_RAM_BANKS 256

#define NUM_ROM_BANKS 32

#define NUM_CART_BANKS (256 - 32)

#define RAM_SIZE (num_banks * BANK_SIZE)    /* $0000-$9EFF, $9F00-$FFFF "wasted", then optionally $010000+ */

#define BRAM_SIZE (num_ram_banks * 8192)    /* banks at $A000-$BFFF */

#define ROM_SIZE (NUM_ROM_BANKS * 16384)    /* banks at $C000-$FFFF */

#define CART_SIZE (NUM_CART_BANKS * 16384)  /* expansion banks at $C000-$FFFF */

#define WINDOW_TITLE "Commander X16"

#ifdef __APPLE__

#define MOUSE_GRAB_MSG " (\xE2\x87\xA7\xE2\x8C\x98M to end mouse/keyboard capture)"

#else

#define MOUSE_GRAB_MSG " (Ctrl+M to end mouse/keyboard capture)"

#endif

typedef enum {

	ECHO_MODE_NONE,

	ECHO_MODE_RAW,

	ECHO_MODE_COOKED,

	ECHO_MODE_ISO,

} echo_mode_t;

// GIF recorder commands

typedef enum {

	RECORD_GIF_PAUSE,

	RECORD_GIF_SNAP,

	RECORD_GIF_RESUME

} gif_recorder_command_t;

// GIF recorder states

typedef enum {

	RECORD_GIF_DISABLED,

	RECORD_GIF_PAUSED,

	RECORD_GIF_SINGLE,

	RECORD_GIF_ACTIVE

} gif_recorder_state_t;

extern struct regs regs;

extern uint16_t opcode_addr;

extern uint8_t *RAM;

extern uint8_t *BRAM;

extern uint8_t ROM[];

extern uint8_t *CART;

extern uint16_t num_banks;

extern uint16_t num_ram_banks;

extern int  instruction_counter;  // instructions retired (main.c)

extern bool debugger_enabled;

extern bool imgui_debugger_enabled;

// True only when a local interactive debugger was requested (-debug/-bp/-wp).

// Distinct from debugger_enabled, which -debugport also sets.

extern bool debug_window_enabled;

extern bool log_video;

extern bool log_keyboard;

extern bool log_speed;

extern echo_mode_t echo_mode;

extern bool save_on_exit;

extern bool disable_emu_cmd_keys;

extern gif_recorder_state_t record_gif;

extern char *gif_path;

extern uint8_t *fsroot_path;

extern uint8_t *startin_path;

extern uint8_t keymap;

extern bool warp_mode;

extern bool grab_mouse;

extern bool testbench;

extern bool has_via2;

extern uint32_t host_sample_rate;

extern bool enable_midline;

extern bool has_midi_card;

extern uint16_t midi_card_addr;

extern void machine_dump(const char* reason);

extern void machine_reset();

extern void machine_nmi();

extern void machine_paste(char *text, bool handle_free);

extern void machine_set_warp(bool on);

void machine_toggle_warp();

extern void init_audio();

extern void main_shutdown();

extern void emulator_step_during_move(void);

extern bool video_is_tilemap_address(int addr);

extern bool video_is_tiledata_address(int addr);

extern bool video_is_special_address(int addr);

extern int ieee_unit;

extern bool using_hostfs;

extern uint8_t activity_led;

extern bool nvram_dirty;

extern uint8_t nvram[0x40];

extern uint8_t MHZ;

extern bool mouse_grabbed;

extern bool no_keyboard_capture;

extern bool kernal_mouse_enabled;

extern char window_title[];

extern bool pwr_long_press;

extern bool is_gen2;

#ifdef __cplusplus

}

#endif

#endif