Mercurial > repos > blastem
annotate stateview.c @ 716:b707a8ddc202
Make sure z80_save_reg does nothing when there is no register in the reg field of the instruction. This fixes a bug that corrupted SP in the MDEM 2011 demo
author | Michael Pavone <pavone@retrodev.com> |
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date | Sun, 17 May 2015 20:03:27 -0700 |
parents | 6e751a8f46aa |
children | 019d27995e32 |
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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" |
75 | 10 #include "blastem.h" |
11 | |
12 //not used, but referenced by the renderer since it handles input | |
13 io_port gamepad_1; | |
14 io_port gamepad_2; | |
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15 uint8_t reset = 1; |
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16 uint8_t busreq = 0; |
75 | 17 |
18 uint16_t read_dma_value(uint32_t address) | |
19 { | |
20 return 0; | |
21 } | |
20
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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 int headless = 0; |
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57 |
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58 int main(int argc, char ** argv) |
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59 { |
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60 if (argc < 2) { |
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61 fprintf(stderr, "Usage: stateview FILENAME\n"); |
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62 exit(1); |
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63 } |
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64 FILE * state_file = fopen(argv[1], "rb"); |
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65 if (!state_file) { |
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66 fprintf(stderr, "Failed to open %s\n", argv[1]); |
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67 exit(1); |
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68 } |
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69 config = load_config(argv[0]); |
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70 int width = -1; |
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71 int height = -1; |
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72 if (argc > 2) { |
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73 width = atoi(argv[2]); |
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74 if (argc > 3) { |
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75 height = atoi(argv[3]); |
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76 } |
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77 } |
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78 int def_width = 0; |
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79 char *config_width = tern_find_ptr(config, "videowidth"); |
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80 if (config_width) { |
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81 def_width = atoi(config_width); |
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82 } |
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83 if (!def_width) { |
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84 def_width = 640; |
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85 } |
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86 width = width < 320 ? def_width : width; |
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87 height = height < 240 ? (width/320) * 240 : height; |
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88 |
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89 vdp_context context; |
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90 render_init(width, height, "GST State Viewer", 60, 0, 0); |
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91 init_vdp_context(&context, 0); |
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92 vdp_load_gst(&context, state_file); |
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93 vdp_run_to_vblank(&context); |
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94 vdp_print_sprite_table(&context); |
75 | 95 printf("Display %s\n", (context.regs[REG_MODE_2] & DISPLAY_ENABLE) ? "enabled" : "disabled"); |
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96 render_context(&context); |
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97 render_wait_quit(&context); |
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98 return 0; |
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99 } |