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annotate stateview.c @ 980:928442068afe

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Implemented VDP read prefetch and made DMA copy not use the FIFO any more. Now up to 114 out of 122 passing on VDP FIFO Test ROM
author Michael Pavone <pavone@retrodev.com>
date Sun, 24 Apr 2016 01:24:38 -0700
parents f52cb02a1466
children f7bbbf49db4e
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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 void ym_data_write(ym2612_context * context, uint8_t value)
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37 {
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38 }
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39
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40 void ym_address_write_part1(ym2612_context * context, uint8_t address)
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41 {
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42 }
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43
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44 void ym_address_write_part2(ym2612_context * context, uint8_t address)
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45 {
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46 }
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47
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48 void handle_keydown(int keycode)
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49 {
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50 }
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51
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52 void handle_keyup(int keycode)
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53 {
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54 }
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56 void handle_joydown(int joystick, int button)
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57 {
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58 }
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60 void handle_joyup(int joystick, int button)
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61 {
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62 }
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63
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64 void handle_joy_dpad(int joystick, int dpadnum, uint8_t value)
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65 {
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66 }
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67
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68 void handle_mousedown(int mouse, int button)
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69 {
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70 }
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72 void handle_mouseup(int mouse, int button)
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73 {
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74 }
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76 void handle_mouse_moved(int mouse, uint16_t x, uint16_t y, int16_t deltax, int16_t deltay)
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77 {
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78 }
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80 tern_node * config;
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81 int headless = 0;
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82
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83 int main(int argc, char ** argv)
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84 {
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85 if (argc < 2) {
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86 fatal_error("Usage: stateview FILENAME\n");
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87 }
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88 FILE * state_file = fopen(argv[1], "rb");
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89 if (!state_file) {
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90 fatal_error("Failed to open %s\n", argv[1]);
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91 }
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92 set_exe_str(argv[0]);
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93 config = load_config(argv[0]);
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94 int width = -1;
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95 int height = -1;
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96 if (argc > 2) {
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97 width = atoi(argv[2]);
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98 if (argc > 3) {
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99 height = atoi(argv[3]);
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100 }
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101 }
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102 int def_width = 0;
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103 char *config_width = tern_find_ptr(config, "videowidth");
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104 if (config_width) {
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105 def_width = atoi(config_width);
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106 }
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107 if (!def_width) {
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108 def_width = 640;
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109 }
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110 width = width < 320 ? def_width : width;
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111 height = height < 240 ? (width/320) * 240 : height;
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112
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113 vdp_context context;
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114 render_init(width, height, "GST State Viewer", 60, 0);
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115 init_vdp_context(&context, 0);
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116 vdp_load_gst(&context, state_file);
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117 vdp_run_to_vblank(&context);
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118 vdp_print_sprite_table(&context);
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119 printf("Display %s\n", (context.regs[REG_MODE_2] & DISPLAY_ENABLE) ? "enabled" : "disabled");
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120 render_context(&context);
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121 render_wait_quit(&context);
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122 return 0;
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123 }