annotate stateview.c @ 1103:22e87b739ad6

WIP split of ROM loading/argument parsing from Genesis emulation code. Compiles and doesn't crash, but nothing works. Still a few too many globals as well.
author Michael Pavone <pavone@retrodev.com>
date Fri, 09 Dec 2016 09:48:48 -0800
parents e2d345e351b5
children 928a65750345
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1 /*
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2 Copyright 2013 Michael Pavone
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3 This file is part of BlastEm.
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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.
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5 */
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6 #include <stdlib.h>
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7 #include <stdio.h>
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8 #include "vdp.h"
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9 #include "render.h"
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10 #include "util.h"
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11 #include "genesis.h"
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12 #include "config.h"
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13
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14
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15 uint16_t read_dma_value(uint32_t address)
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16 {
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17 return 0;
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18 }
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20 m68k_context *m68k_handle_code_write(uint32_t address, m68k_context *context)
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21 {
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22 return NULL;
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23 }
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24
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25 z80_context *z80_handle_code_write(uint32_t address, z80_context *context)
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26 {
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27 return NULL;
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28 }
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29
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30 uint16_t get_open_bus_value()
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31 {
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32 return 0;
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33 }
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34
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35 void ym_data_write(ym2612_context * context, uint8_t value)
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36 {
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37 }
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38
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39 void ym_address_write_part1(ym2612_context * context, uint8_t address)
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40 {
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41 }
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42
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43 void ym_address_write_part2(ym2612_context * context, uint8_t address)
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44 {
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45 }
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46
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47 void handle_keydown(int keycode, uint8_t scancode)
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48 {
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49 }
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50
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51 void handle_keyup(int keycode, uint8_t scancode)
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52 {
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53 }
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54
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55 void handle_joydown(int joystick, int button)
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56 {
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57 }
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58
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59 void handle_joyup(int joystick, int button)
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60 {
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61 }
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62
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63 void handle_joy_dpad(int joystick, int dpadnum, uint8_t value)
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64 {
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65 }
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66
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67 void handle_mousedown(int mouse, int button)
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68 {
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69 }
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71 void handle_mouseup(int mouse, int button)
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72 {
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73 }
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74
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75 void handle_mouse_moved(int mouse, uint16_t x, uint16_t y, int16_t deltax, int16_t deltay)
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76 {
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77 }
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78
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79 tern_node * config;
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80 int headless = 0;
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81
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82 int main(int argc, char ** argv)
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83 {
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84 if (argc < 2) {
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85 fatal_error("Usage: stateview FILENAME\n");
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86 }
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87 FILE * state_file = fopen(argv[1], "rb");
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88 if (!state_file) {
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89 fatal_error("Failed to open %s\n", argv[1]);
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90 }
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91 set_exe_str(argv[0]);
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92 config = load_config(argv[0]);
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93 int width = -1;
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94 int height = -1;
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95 if (argc > 2) {
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96 width = atoi(argv[2]);
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97 if (argc > 3) {
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98 height = atoi(argv[3]);
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99 }
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100 }
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101 int def_width = 0;
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102 char *config_width = tern_find_ptr(config, "videowidth");
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103 if (config_width) {
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104 def_width = atoi(config_width);
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105 }
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106 if (!def_width) {
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107 def_width = 640;
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108 }
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109 width = width < 320 ? def_width : width;
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110 height = height < 240 ? (width/320) * 240 : height;
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111
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112 vdp_context context;
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113 render_init(width, height, "GST State Viewer", 0);
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114 init_vdp_context(&context, 0);
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115 vdp_load_gst(&context, state_file);
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116 vdp_run_to_vblank(&context);
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117 vdp_print_sprite_table(&context);
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118 printf("Display %s\n", (context.regs[REG_MODE_2] & DISPLAY_ENABLE) ? "enabled" : "disabled");
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119 render_wait_quit(&context);
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120 return 0;
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121 }