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annotate stateview.c @ 338:5c34a9c39394

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Re-enable frame limit, but add a command line flag to disable it
author Mike Pavone <pavone@retrodev.com>
date Wed, 15 May 2013 22:37:25 -0700
parents 8e2fa485c0f2
children 7e8e179116af
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1 #include <stdlib.h>
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2 #include <stdio.h>
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3 #include "vdp.h"
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4 #include "render.h"
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5 #include "blastem.h"
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7 //not used, but referenced by the renderer since it handles input
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8 io_port gamepad_1;
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9 io_port gamepad_2;
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11 uint16_t read_dma_value(uint32_t address)
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12 {
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13 return 0;
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14 }
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16 int main(int argc, char ** argv)
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17 {
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18 if (argc < 2) {
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19 fprintf(stderr, "Usage: stateview FILENAME\n");
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20 exit(1);
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21 }
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22 FILE * state_file = fopen(argv[1], "rb");
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23 if (!state_file) {
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24 fprintf(stderr, "Failed to open %s\n", argv[1]);
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25 exit(1);
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26 }
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27 int width = 320;
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28 int height = 240;
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29 if (argc > 2) {
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30 width = atoi(argv[2]);
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31 if (argc > 3) {
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32 height = atoi(argv[3]);
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33 } else {
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34 height = (width/320) * 240;
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35 }
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36 }
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37 vdp_context context;
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38 init_vdp_context(&context);
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39 vdp_load_savestate(&context, state_file);
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40 vdp_run_to_vblank(&context);
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41 vdp_print_sprite_table(&context);
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42 printf("Display %s\n", (context.regs[REG_MODE_2] & DISPLAY_ENABLE) ? "enabled" : "disabled");
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43 render_init(width, height);
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44 render_context(&context);
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45 render_wait_quit(&context);
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46 return 0;
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47 }