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annotate stateview.c @ 467:140af5509ce7

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Added copyright notice to source files and added GPL license text in COPYING
author Mike Pavone <pavone@retrodev.com>
date Tue, 10 Sep 2013 23:31:08 -0700
parents dc322bc77ea2
children 6e751a8f46aa
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140af5509ce7 Added copyright notice to source files and added GPL license text in COPYING
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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 "blastem.h"
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11
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12 //not used, but referenced by the renderer since it handles input
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13 io_port gamepad_1;
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14 io_port gamepad_2;
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15 uint8_t reset = 1;
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16 uint8_t busreq = 0;
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17
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18 uint16_t read_dma_value(uint32_t address)
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19 {
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20 return 0;
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21 }
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22
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23 void ym_data_write(ym2612_context * context, uint8_t value)
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24 {
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25 }
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26
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27 void ym_address_write_part1(ym2612_context * context, uint8_t address)
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28 {
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29 }
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30
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31 void ym_address_write_part2(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 handle_keydown(int keycode)
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36 {
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37 }
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38
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39 void handle_keyup(int keycode)
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40 {
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41 }
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42
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43 void handle_joydown(int joystick, int button)
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44 {
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45 }
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46
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47 void handle_joyup(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_joy_dpad(int joystick, int dpadnum, uint8_t value)
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52 {
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53 }
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54
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55 tern_node * config;
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56
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57 int main(int argc, char ** argv)
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58 {
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59 if (argc < 2) {
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60 fprintf(stderr, "Usage: stateview FILENAME\n");
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61 exit(1);
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62 }
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63 FILE * state_file = fopen(argv[1], "rb");
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64 if (!state_file) {
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65 fprintf(stderr, "Failed to open %s\n", argv[1]);
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66 exit(1);
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67 }
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68 config = load_config(argv[0]);
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69 int width = -1;
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70 int height = -1;
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71 if (argc > 2) {
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72 width = atoi(argv[2]);
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73 if (argc > 3) {
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74 height = atoi(argv[3]);
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75 }
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76 }
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77 int def_width = 0;
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78 char *config_width = tern_find_ptr(config, "videowidth");
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79 if (config_width) {
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80 def_width = atoi(config_width);
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81 }
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82 if (!def_width) {
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83 def_width = 640;
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84 }
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85 width = width < 320 ? def_width : width;
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86 height = height < 240 ? (width/320) * 240 : height;
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87
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88 vdp_context context;
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89 render_init(width, height, "GST State Viewer", 60, 0);
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90 init_vdp_context(&context);
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91 vdp_load_gst(&context, state_file);
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92 vdp_run_to_vblank(&context);
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93 vdp_print_sprite_table(&context);
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94 printf("Display %s\n", (context.regs[REG_MODE_2] & DISPLAY_ENABLE) ? "enabled" : "disabled");
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95 render_context(&context);
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96 render_wait_quit(&context);
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97 return 0;
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98 }