1/*
  2 Copyright 2013 Michael Pavone
  3 This file is part of BlastEm. 
  4 BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text.
  5*/
  6#include <stdlib.h>
  7#include <stdio.h>
  8#include "vdp.h"
  9#include "render.h"
 10#include "util.h"
 11#include "genesis.h"
 12#include "config.h"
 13
 14
 15uint16_t read_dma_value(uint32_t address)
 16{
 17	return 0;
 18}
 19
 20m68k_context *m68k_handle_code_write(uint32_t address, m68k_context *context)
 21{
 22	return NULL;
 23}
 24
 25z80_context *z80_handle_code_write(uint32_t address, z80_context *context)
 26{
 27	return NULL;
 28}
 29
 30void ym_data_write(ym2612_context * context, uint8_t value)
 31{
 32}
 33
 34void ym_address_write_part1(ym2612_context * context, uint8_t address)
 35{
 36}
 37
 38void ym_address_write_part2(ym2612_context * context, uint8_t address)
 39{
 40}
 41
 42void handle_keydown(int keycode, uint8_t scancode)
 43{
 44}
 45
 46void handle_keyup(int keycode, uint8_t scancode)
 47{
 48}
 49
 50void handle_joydown(int joystick, int button)
 51{
 52}
 53
 54void handle_joyup(int joystick, int button)
 55{
 56}
 57
 58void handle_joy_dpad(int joystick, int dpadnum, uint8_t value)
 59{
 60}
 61
 62void handle_joy_axis(int joystick, int axis, int16_t value)
 63{
 64}
 65
 66void handle_joy_added(int joystick)
 67{
 68}
 69
 70void handle_mousedown(int mouse, int button)
 71{
 72}
 73
 74void handle_mouseup(int mouse, int button)
 75{
 76}
 77
 78void handle_mouse_moved(int mouse, uint16_t x, uint16_t y, int16_t deltax, int16_t deltay)
 79{
 80}
 81
 82tern_node * config;
 83int headless = 0;
 84
 85int main(int argc, char ** argv)
 86{
 87	if (argc < 2) {
 88		fatal_error("Usage: stateview FILENAME\n");
 89	}
 90	FILE * state_file = fopen(argv[1], "rb");
 91	if (!state_file) {
 92		fatal_error("Failed to open %s\n", argv[1]);
 93	}
 94	set_exe_str(argv[0]);
 95	config = load_config(argv[0]);
 96	int width = -1;
 97	int height = -1;
 98	if (argc > 2) {
 99		width = atoi(argv[2]);
100		if (argc > 3) {
101			height = atoi(argv[3]);
102		}
103	}
104	int def_width = 0;
105	char *config_width = tern_find_ptr(config, "videowidth");
106	if (config_width) {
107		def_width = atoi(config_width);
108	}
109	if (!def_width) {
110		def_width = 640;
111	}
112	width = width < 320 ? def_width : width;
113	height = height < 240 ? (width/320) * 240 : height;
114
115	render_init(width, height, "GST State Viewer", 0);
116	vdp_context *context = init_vdp_context(0);
117	vdp_load_gst(context, state_file);
118	vdp_run_to_vblank(context);
119	vdp_print_sprite_table(context);
120	printf("Display %s\n", (context->regs[REG_MODE_2] & DISPLAY_ENABLE) ? "enabled" : "disabled");
121	if (!(context->regs[REG_MODE_2] & DISPLAY_ENABLE)) {
122		puts("Forcing display on");
123		vdp_control_port_write(context, 0x8000 | REG_MODE_2 << 8 | context->regs[REG_MODE_2] | DISPLAY_ENABLE);
124	}
125    render_wait_quit(context);
126    return 0;
127}