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annotate test_int_timing.c @ 1174:500d8deea802

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Fix H32 VInt timing inconsistency
author Michael Pavone <pavone@retrodev.com>
date Mon, 16 Jan 2017 23:34:30 -0800
parents 14eb8ff4fb03
children aa6e0914dcd7
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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
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22 int main(int argc, char **argv)
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23 {
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24 vdp_context context;
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25 int ret = 0;
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26 init_vdp_context(&context, 0);
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27 vdp_control_port_write(&context, 0x8000 | BIT_PAL_SEL);
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28 vdp_control_port_write(&context, 0x8100 | BIT_DISP_EN | BIT_VINT_EN | BIT_MODE_5);
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29 puts("Testing H32 Mode");
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30 while (!(context.flags2 & FLAG2_VINT_PENDING))
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31 {
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32 vdp_run_context(&context, context.cycles + 1);
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33 }
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34 vdp_int_ack(&context);
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35 uint32_t vint_cycle = vdp_next_vint(&context);
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36 while (!(context.flags2 & FLAG2_VINT_PENDING))
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37 {
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38 vdp_run_context(&context, context.cycles + 1);
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39 uint32_t vint_cycle2 = vdp_next_vint(&context);
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40 if (vint_cycle2 != vint_cycle) {
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41 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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42 ret = 1;
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43 vint_cycle = vint_cycle2;
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44 }
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45 }
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46 vdp_int_ack(&context);
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47 puts("Testing H40 Mode");
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48 vdp_control_port_write(&context, 0x8C81);
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49 while (!(context.flags2 & FLAG2_VINT_PENDING))
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50 {
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51 vdp_run_context(&context, context.cycles + 1);
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52 }
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53 vdp_int_ack(&context);
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54 vint_cycle = vdp_next_vint(&context);
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55 while (!(context.flags2 & FLAG2_VINT_PENDING))
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56 {
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57 vdp_run_context(&context, context.cycles + 1);
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58 uint32_t vint_cycle2 = vdp_next_vint(&context);
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59 if (vint_cycle2 != vint_cycle) {
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60 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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61 ret = 1;
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62 vint_cycle = vint_cycle2;
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63 }
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64 }
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65 vdp_int_ack(&context);
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66 puts("Testing Mode 4");
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67 vdp_control_port_write(&context, 0x8C00);
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68 vdp_control_port_write(&context, 0x8100 | BIT_DISP_EN | BIT_VINT_EN);
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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 }
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73 context.flags2 &= ~FLAG2_VINT_PENDING;
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74 vint_cycle = vdp_next_vint(&context);
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75 while (!(context.flags2 & FLAG2_VINT_PENDING))
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76 {
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77 vdp_run_context(&context, context.cycles + 1);
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78 uint32_t vint_cycle2 = vdp_next_vint(&context);
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79 if (vint_cycle2 != vint_cycle) {
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80 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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81 ret = 1;
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82 vint_cycle = vint_cycle2;
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83 }
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84 }
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85 printf("Result: %s\n", ret ? "failure" : "success");
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86 return ret;
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87 }