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annotate stateview.c @ 995:2bc27415565b

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Fix some stuff with interrupt timing. The change in adjust_int_cycle gets Overdrive working again (vint was not being preferred over hint in some cases). One of the changes seems to have broken Fatal Rewind again, but no other regressions that I can see.
author Michael Pavone <pavone@retrodev.com>
date Sat, 30 Apr 2016 08:37:55 -0700
parents f7bbbf49db4e
children 56b1748a8473
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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 uint8_t z80_ram[Z80_RAM_BYTES];
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20
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21 uint16_t read_dma_value(uint32_t address)
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22 {
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23 return 0;
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24 }
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26 m68k_context *m68k_handle_code_write(uint32_t address, m68k_context *context)
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27 {
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28 return NULL;
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29 }
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30
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31 z80_context *z80_handle_code_write(uint32_t address, z80_context *context)
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32 {
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33 return NULL;
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34 }
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35
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36 uint16_t get_open_bus_value()
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37 {
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38 return 0;
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39 }
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41 void ym_data_write(ym2612_context * context, uint8_t value)
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42 {
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43 }
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44
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45 void ym_address_write_part1(ym2612_context * context, uint8_t address)
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46 {
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47 }
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48
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49 void ym_address_write_part2(ym2612_context * context, uint8_t address)
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50 {
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51 }
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52
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53 void handle_keydown(int keycode)
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54 {
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55 }
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57 void handle_keyup(int keycode)
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58 {
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59 }
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60
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61 void handle_joydown(int joystick, int button)
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62 {
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63 }
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64
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65 void handle_joyup(int joystick, int button)
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66 {
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67 }
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68
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69 void handle_joy_dpad(int joystick, int dpadnum, uint8_t value)
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70 {
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71 }
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72
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73 void handle_mousedown(int mouse, int button)
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74 {
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75 }
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77 void handle_mouseup(int mouse, int button)
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78 {
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79 }
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81 void handle_mouse_moved(int mouse, uint16_t x, uint16_t y, int16_t deltax, int16_t deltay)
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82 {
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83 }
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84
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85 tern_node * config;
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86 int headless = 0;
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87
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88 int main(int argc, char ** argv)
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89 {
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90 if (argc < 2) {
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91 fatal_error("Usage: stateview FILENAME\n");
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92 }
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93 FILE * state_file = fopen(argv[1], "rb");
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94 if (!state_file) {
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95 fatal_error("Failed to open %s\n", argv[1]);
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96 }
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97 set_exe_str(argv[0]);
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98 config = load_config(argv[0]);
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99 int width = -1;
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100 int height = -1;
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101 if (argc > 2) {
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102 width = atoi(argv[2]);
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103 if (argc > 3) {
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104 height = atoi(argv[3]);
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105 }
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106 }
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107 int def_width = 0;
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108 char *config_width = tern_find_ptr(config, "videowidth");
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109 if (config_width) {
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110 def_width = atoi(config_width);
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111 }
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112 if (!def_width) {
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113 def_width = 640;
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114 }
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115 width = width < 320 ? def_width : width;
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116 height = height < 240 ? (width/320) * 240 : height;
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117
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118 vdp_context context;
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119 render_init(width, height, "GST State Viewer", 60, 0);
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120 init_vdp_context(&context, 0);
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121 vdp_load_gst(&context, state_file);
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122 vdp_run_to_vblank(&context);
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123 vdp_print_sprite_table(&context);
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124 printf("Display %s\n", (context.regs[REG_MODE_2] & DISPLAY_ENABLE) ? "enabled" : "disabled");
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125 render_context(&context);
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126 render_wait_quit(&context);
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127 return 0;
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128 }