Mercurial > repos > blastem
annotate stateview.c @ 1322:b1423d432c0e
Initial stab at implementing the output disable/layer selection bits of the VDP test register
author | Michael Pavone <pavone@retrodev.com> |
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date | Tue, 18 Apr 2017 19:27:10 -0700 |
parents | 32e95d6733a6 |
children | 0174759e559f |
rev | line source |
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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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14 |
75 | 15 uint16_t read_dma_value(uint32_t address) |
16 { | |
17 return 0; | |
18 } | |
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19 |
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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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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 vdp_context context; |
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116 render_init(width, height, "GST State Viewer", 0); |
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117 init_vdp_context(&context, 0); |
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118 vdp_load_gst(&context, state_file); |
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119 vdp_run_to_vblank(&context); |
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120 vdp_print_sprite_table(&context); |
75 | 121 printf("Display %s\n", (context.regs[REG_MODE_2] & DISPLAY_ENABLE) ? "enabled" : "disabled"); |
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122 if (!(context.regs[REG_MODE_2] & DISPLAY_ENABLE)) { |
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123 puts("Forcing display on"); |
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124 vdp_control_port_write(&context, 0x8000 | REG_MODE_2 << 8 | context.regs[REG_MODE_2] | DISPLAY_ENABLE); |
32e95d6733a6
Force display on in stateview if given a save state with the display off
Michael Pavone <pavone@retrodev.com>
parents:
1210
diff
changeset
|
125 } |
43
3fc57e1a2c56
Add debug render mode and fix vertical flip bit for bg tiles
Mike Pavone <pavone@retrodev.com>
parents:
33
diff
changeset
|
126 render_wait_quit(&context); |
20
f664eeb55cb4
Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
127 return 0; |
f664eeb55cb4
Mostly broken VDP core and savestate viewer
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
128 } |