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annotate test.c @ 1374:8f404b1fa572

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Go back to resetting the refresh counter after a DMA. Probably not quite correct as it is probably reset on VDP triggered refresh, but this is close enough for now given the general limitations with my refresh code. VDP FIFO Testing seems to be passing 100% reliably again (was occassionally failing still with the last commit)
author Michael Pavone <pavone@retrodev.com>
date Tue, 23 May 2017 23:47:40 -0700
parents 15d9359fd771
children
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1 #include <stdint.h>
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2 #include <stdlib.h>
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3 #include <string.h>
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4 #include <stdio.h>
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5 #include "vdp.h"
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6
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7 int headless = 1;
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8 uint16_t read_dma_value(uint32_t address)
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9 {
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10 return 0;
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11 }
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12
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13 uint32_t render_map_color(uint8_t r, uint8_t g, uint8_t b)
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14 {
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15 return 0;
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16 }
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17
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18 void render_alloc_surfaces(vdp_context * context)
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19 {
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20 context->oddbuf = context->framebuf = malloc(512 * 256 * 4 * 2);
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21 memset(context->oddbuf, 0, 512 * 256 * 4 * 2);
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22 context->evenbuf = ((char *)context->oddbuf) + 512 * 256 * 4;
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23 }
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24
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25 int check_hint_time(vdp_context * v_context)
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26 {
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27 uint32_t orig_hint_cycle = vdp_next_hint(v_context);
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28 uint32_t cur_hint_cycle;
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29 printf("hint cycle is %d at vcounter: %d, hslot: %d\n", orig_hint_cycle, v_context->vcounter, v_context->hslot);
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30 int res = 1;
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31 while ((cur_hint_cycle = vdp_next_hint(v_context)) > v_context->cycles)
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32 {
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33 if (cur_hint_cycle != orig_hint_cycle) {
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34 fprintf(stderr, "ERROR: hint cycle changed to %d at vcounter: %d, hslot: %d\n", cur_hint_cycle, v_context->vcounter, v_context->hslot);
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35 orig_hint_cycle = cur_hint_cycle;
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36 res = 0;
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37 }
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38 vdp_run_context(v_context, v_context->cycles + 1);
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39 }
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40 printf("hint fired at cycle: %d, vcounter: %d, hslot: %d\n", cur_hint_cycle, v_context->vcounter, v_context->hslot);
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41 vdp_int_ack(v_context, 4);
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42 return res;
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43 }
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44
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45
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46 int main(int argc, char ** argv)
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47 {
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48 vdp_context v_context;
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49 init_vdp_context(&v_context, 0);
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50 vdp_control_port_write(&v_context, 0x8144);
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51 vdp_control_port_write(&v_context, 0x8C81);
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52 vdp_control_port_write(&v_context, 0x8A7F);
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53 vdp_control_port_write(&v_context, 0x8014);
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54 v_context.hint_counter = 0x7F;
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55 v_context.vcounter = 128;
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56 v_context.hslot = 165;
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57 //check single shot behavior
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58 int res = check_hint_time(&v_context);
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59 //check every line behavior
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60 while (v_context.vcounter < 225)
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61 {
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62 vdp_run_context(&v_context, v_context.cycles + 1);
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63 }
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64 vdp_control_port_write(&v_context, 0x8A00);
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65 int hint_count = 0;
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66 while (res && v_context.vcounter != 224)
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67 {
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68 res = res && check_hint_time(&v_context);
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69 hint_count++;
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70 }
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71 if (res && hint_count != 225) {
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72 fprintf(stderr, "ERROR: hint count should be 225 but was %d instead\n", hint_count);
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73 res = 0;
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74 }
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75 return 0;
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76 }