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annotate test_int_timing.c @ 1971:80920c21bb52

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Add an event log soft flush and call it twice per frame in between hard flushes to netplay latency when there are insufficient hardware updates to flush packets in the middle of a frame
author Michael Pavone <pavone@retrodev.com>
date Fri, 08 May 2020 11:40:30 -0700
parents aa6e0914dcd7
children
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1 /*
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2 Copyright 2017 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 <stdio.h>
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7 #include "vdp.h"
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8
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9 int headless = 1;
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10
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11 uint32_t render_map_color(uint8_t r, uint8_t g, uint8_t b)
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12 {
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13 return 0;
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14 }
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15
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16 uint16_t read_dma_value(uint32_t address)
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17 {
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18 return 0;
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19 }
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20
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21 uint32_t *render_get_framebuffer(uint8_t which, int *pitch)
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22 {
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23 *pitch = 0;
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24 return NULL;
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25 }
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26
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27 void render_framebuffer_updated(uint8_t which, int width)
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28 {
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29 }
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30
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31 void warning(char *format, ...)
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32 {
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33 }
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34
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35
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36 int main(int argc, char **argv)
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37 {
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38 vdp_context context;
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39 int ret = 0;
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40 init_vdp_context(&context, 0);
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41 vdp_control_port_write(&context, 0x8000 | BIT_PAL_SEL);
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42 vdp_control_port_write(&context, 0x8100 | BIT_DISP_EN | BIT_VINT_EN | BIT_MODE_5);
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43 puts("Testing H32 Mode");
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44 while (!(context.flags2 & FLAG2_VINT_PENDING))
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45 {
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46 vdp_run_context(&context, context.cycles + 1);
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47 }
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48 vdp_int_ack(&context);
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49 uint32_t vint_cycle = vdp_next_vint(&context);
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50 while (!(context.flags2 & FLAG2_VINT_PENDING))
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51 {
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52 vdp_run_context(&context, context.cycles + 1);
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53 uint32_t vint_cycle2 = vdp_next_vint(&context);
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54 if (vint_cycle2 != vint_cycle) {
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55 printf("VINT Cycle changed from %d to %d @ line %d, slot %d\n", vint_cycle, vint_cycle2, context.vcounter, context.hslot);;
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56 ret = 1;
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57 vint_cycle = vint_cycle2;
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58 }
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59 }
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60 vdp_int_ack(&context);
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61 puts("Testing H40 Mode");
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62 vdp_control_port_write(&context, 0x8C81);
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63 while (!(context.flags2 & FLAG2_VINT_PENDING))
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64 {
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65 vdp_run_context(&context, context.cycles + 1);
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66 }
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67 vdp_int_ack(&context);
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68 vint_cycle = vdp_next_vint(&context);
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69 while (!(context.flags2 & FLAG2_VINT_PENDING))
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70 {
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71 vdp_run_context(&context, context.cycles + 1);
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72 uint32_t vint_cycle2 = vdp_next_vint(&context);
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73 if (vint_cycle2 != vint_cycle) {
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74 printf("VINT Cycle changed from %d to %d @ line %d, slot %d\n", vint_cycle, vint_cycle2, context.vcounter, context.hslot);;
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75 ret = 1;
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76 vint_cycle = vint_cycle2;
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77 }
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78 }
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79 vdp_int_ack(&context);
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80 puts("Testing Mode 4");
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81 vdp_control_port_write(&context, 0x8C00);
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82 vdp_control_port_write(&context, 0x8100 | BIT_DISP_EN | BIT_VINT_EN);
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83 while (!(context.flags2 & FLAG2_VINT_PENDING))
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84 {
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85 vdp_run_context(&context, context.cycles + 1);
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86 }
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87 context.flags2 &= ~FLAG2_VINT_PENDING;
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88 vint_cycle = vdp_next_vint(&context);
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89 while (!(context.flags2 & FLAG2_VINT_PENDING))
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90 {
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91 vdp_run_context(&context, context.cycles + 1);
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92 uint32_t vint_cycle2 = vdp_next_vint(&context);
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93 if (vint_cycle2 != vint_cycle) {
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94 printf("VINT Cycle changed from %d to %d @ line %d, slot %d\n", vint_cycle, vint_cycle2, context.vcounter, context.hslot);;
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95 ret = 1;
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96 vint_cycle = vint_cycle2;
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97 }
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98 }
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99 printf("Result: %s\n", ret ? "failure" : "success");
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100 return ret;
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101 }