annotate stateview.c @ 885:e3f5ec336432

Allow menu ROM to be debugged
author Michael Pavone <pavone@retrodev.com>
date Sat, 14 Nov 2015 09:49:39 -0800
parents 574495372d1c
children 126c0294c1e4
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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 "blastem.h"
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12
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13 //not used, but referenced by the renderer since it handles input
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14 io_port gamepad_1;
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15 io_port gamepad_2;
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16 uint8_t reset = 1;
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17 uint8_t busreq = 0;
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18
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19 uint16_t ram[RAM_WORDS];
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20 uint8_t z80_ram[Z80_RAM_BYTES];
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21
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22 uint16_t read_dma_value(uint32_t address)
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23 {
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24 return 0;
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25 }
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26
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27 void ym_data_write(ym2612_context * context, uint8_t value)
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28 {
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29 }
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30
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31 void ym_address_write_part1(ym2612_context * context, uint8_t address)
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32 {
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33 }
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34
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35 void ym_address_write_part2(ym2612_context * context, uint8_t address)
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36 {
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37 }
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38
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39 void handle_keydown(int keycode)
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40 {
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41 }
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42
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43 void handle_keyup(int keycode)
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44 {
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45 }
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46
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47 void handle_joydown(int joystick, int button)
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48 {
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49 }
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50
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51 void handle_joyup(int joystick, int button)
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52 {
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53 }
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54
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55 void handle_joy_dpad(int joystick, int dpadnum, uint8_t value)
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56 {
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57 }
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58
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59 tern_node * config;
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60 int headless = 0;
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61
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62 int main(int argc, char ** argv)
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63 {
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64 if (argc < 2) {
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65 fatal_error("Usage: stateview FILENAME\n");
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66 }
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67 FILE * state_file = fopen(argv[1], "rb");
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68 if (!state_file) {
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69 fatal_error("Failed to open %s\n", argv[1]);
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70 }
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71 set_exe_str(argv[0]);
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72 config = load_config(argv[0]);
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73 int width = -1;
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74 int height = -1;
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75 if (argc > 2) {
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76 width = atoi(argv[2]);
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77 if (argc > 3) {
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78 height = atoi(argv[3]);
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79 }
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80 }
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81 int def_width = 0;
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82 char *config_width = tern_find_ptr(config, "videowidth");
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83 if (config_width) {
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84 def_width = atoi(config_width);
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85 }
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86 if (!def_width) {
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87 def_width = 640;
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88 }
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89 width = width < 320 ? def_width : width;
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90 height = height < 240 ? (width/320) * 240 : height;
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91
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92 vdp_context context;
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93 render_init(width, height, "GST State Viewer", 60, 0);
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94 init_vdp_context(&context, 0);
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95 vdp_load_gst(&context, state_file);
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96 vdp_run_to_vblank(&context);
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97 vdp_print_sprite_table(&context);
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98 printf("Display %s\n", (context.regs[REG_MODE_2] & DISPLAY_ENABLE) ? "enabled" : "disabled");
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99 render_context(&context);
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100 render_wait_quit(&context);
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101 return 0;
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102 }