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annotate stateview.c @ 1886:183b86ba0212

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Optimized sprite rendering
author Michael Pavone <pavone@retrodev.com>
date Sat, 21 Sep 2019 11:17:40 -0700
parents bfacedbae5f0
children c3d49c338224
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rev   line source
467
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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 void ym_data_write(ym2612_context * context, uint8_t value)
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31 {
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32 }
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33
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34 void ym_address_write_part1(ym2612_context * context, uint8_t address)
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35 {
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36 }
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37
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38 void ym_address_write_part2(ym2612_context * context, uint8_t address)
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39 {
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40 }
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41
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42 void handle_keydown(int keycode, uint8_t scancode)
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43 {
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44 }
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45
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46 void handle_keyup(int keycode, uint8_t scancode)
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47 {
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48 }
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49
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50 void handle_joydown(int joystick, int button)
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51 {
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52 }
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53
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54 void handle_joyup(int joystick, int button)
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55 {
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56 }
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57
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58 void handle_joy_dpad(int joystick, int dpadnum, uint8_t value)
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59 {
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60 }
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61
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62 void handle_joy_axis(int joystick, int axis, int16_t value)
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63 {
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64 }
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65
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66 void handle_joy_added(int joystick)
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67 {
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68 }
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69
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70 void handle_mousedown(int mouse, int button)
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71 {
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72 }
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73
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74 void handle_mouseup(int mouse, int button)
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75 {
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76 }
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77
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78 void handle_mouse_moved(int mouse, uint16_t x, uint16_t y, int16_t deltax, int16_t deltay)
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79 {
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80 }
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81
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82 tern_node * config;
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83 int headless = 0;
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84
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85 int main(int argc, char ** argv)
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86 {
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87 if (argc < 2) {
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88 fatal_error("Usage: stateview FILENAME\n");
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89 }
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90 FILE * state_file = fopen(argv[1], "rb");
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91 if (!state_file) {
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724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
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92 fatal_error("Failed to open %s\n", argv[1]);
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93 }
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94 set_exe_str(argv[0]);
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95 config = load_config(argv[0]);
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96 int width = -1;
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97 int height = -1;
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98 if (argc > 2) {
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99 width = atoi(argv[2]);
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100 if (argc > 3) {
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101 height = atoi(argv[3]);
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102 }
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103 }
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104 int def_width = 0;
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105 char *config_width = tern_find_ptr(config, "videowidth");
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106 if (config_width) {
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107 def_width = atoi(config_width);
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108 }
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109 if (!def_width) {
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110 def_width = 640;
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111 }
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112 width = width < 320 ? def_width : width;
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113 height = height < 240 ? (width/320) * 240 : height;
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114
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115 render_init(width, height, "GST State Viewer", 0);
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116 vdp_context *context = init_vdp_context(0);
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117 vdp_load_gst(context, state_file);
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118 vdp_run_to_vblank(context);
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119 vdp_print_sprite_table(context);
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120 printf("Display %s\n", (context->regs[REG_MODE_2] & DISPLAY_ENABLE) ? "enabled" : "disabled");
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121 if (!(context->regs[REG_MODE_2] & DISPLAY_ENABLE)) {
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122 puts("Forcing display on");
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123 vdp_control_port_write(context, 0x8000 | REG_MODE_2 << 8 | context->regs[REG_MODE_2] | DISPLAY_ENABLE);
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124 }
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125 render_wait_quit();
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126 return 0;
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127 }