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annotate ztestrun.c @ 950:938c72a2f7a9

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Initial work on pause menu
author Michael Pavone <pavone@retrodev.com>
date Mon, 11 Apr 2016 20:56:48 -0700
parents 74cc31040521
children a27fdf43f1a7
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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 "z80inst.h"
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7 #include "z80_to_x86.h"
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8 #include "mem.h"
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9 #include "vdp.h"
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10 #include <stdio.h>
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11 #include <stdlib.h>
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12 #include <stddef.h>
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13 #include <stdarg.h>
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14
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15 void fatal_error(char *format, ...)
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16 {
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17 va_list args;
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18 va_start(args, format);
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19 vfprintf(stderr, format, args);
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20 va_end(args);
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21 exit(1);
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22 }
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23
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24 uint8_t z80_ram[0x2000];
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25
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26 uint8_t z80_unmapped_read(uint32_t location, void * context)
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27 {
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28 return 0xFF;
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29 }
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30
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31 void * z80_unmapped_write(uint32_t location, void * context, uint8_t value)
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32 {
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33 return context;
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34 }
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35
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36 const memmap_chunk z80_map[] = {
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37 { 0x0000, 0x4000, 0x1FFF, 0, MMAP_READ | MMAP_WRITE | MMAP_CODE, z80_ram, NULL, NULL, NULL, NULL },
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38 { 0x4000, 0x10000, 0xFFFF, 0, 0, NULL, NULL, NULL, z80_unmapped_read, z80_unmapped_write}
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39 };
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40
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41 void z80_next_int_pulse(z80_context * context)
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42 {
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43 context->int_pulse_start = context->int_pulse_end = CYCLE_NEVER;
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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 long filesize;
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49 uint8_t *filebuf;
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50 z80_options opts;
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51 z80_context context;
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52 char *fname = NULL;
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53 uint8_t retranslate = 0;
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54 for (int i = 1; i < argc; i++)
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55 {
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56 if (argv[i][0] == '-') {
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57 switch(argv[i][1])
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58 {
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59 case 'r':
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60 retranslate = 1;
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61 break;
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62 default:
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63 fprintf(stderr, "Unrecognized switch -%c\n", argv[i][1]);
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64 exit(1);
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65 }
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66 } else if (!fname) {
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67 fname = argv[i];
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68 }
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69 }
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70 if (!fname) {
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71 fputs("usage: ztestrun zrom [cartrom]\n", stderr);
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72 exit(1);
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73 }
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74 FILE * f = fopen(fname, "rb");
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75 if (!f) {
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76 fprintf(stderr, "unable to open file %s\n", fname);
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77 exit(1);
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78 }
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79 fseek(f, 0, SEEK_END);
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80 filesize = ftell(f);
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81 fseek(f, 0, SEEK_SET);
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82 filesize = filesize < sizeof(z80_ram) ? filesize : sizeof(z80_ram);
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83 if (fread(z80_ram, 1, filesize, f) != filesize) {
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84 fprintf(stderr, "error reading %s\n",fname);
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85 exit(1);
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86 }
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87 fclose(f);
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88 init_z80_opts(&opts, z80_map, 2, NULL, 0, 1);
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89 init_z80_context(&context, &opts);
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90 //Z80 RAM
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91 context.mem_pointers[0] = z80_ram;
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92 if (retranslate) {
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93 //run core long enough to translate code
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94 z80_run(&context, 1);
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95 for (int i = 0; i < filesize; i++)
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96 {
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97 z80_handle_code_write(i, &context);
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98 }
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99 z80_assert_reset(&context, context.current_cycle);
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100 z80_clear_reset(&context, context.current_cycle + 3);
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101 z80_adjust_cycles(&context, context.current_cycle);
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102 }
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103 z80_run(&context, 1000);
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104 printf("A: %X\nB: %X\nC: %X\nD: %X\nE: %X\nHL: %X\nIX: %X\nIY: %X\nSP: %X\n\nIM: %d, IFF1: %d, IFF2: %d\n",
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105 context.regs[Z80_A], context.regs[Z80_B], context.regs[Z80_C],
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106 context.regs[Z80_D], context.regs[Z80_E],
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107 (context.regs[Z80_H] << 8) | context.regs[Z80_L],
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108 (context.regs[Z80_IXH] << 8) | context.regs[Z80_IXL],
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109 (context.regs[Z80_IYH] << 8) | context.regs[Z80_IYL],
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110 context.sp, context.im, context.iff1, context.iff2);
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111 printf("Flags: SZVNC\n"
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112 " %d%d%d%d%d\n", context.flags[ZF_S], context.flags[ZF_Z], context.flags[ZF_PV], context.flags[ZF_N], context.flags[ZF_C]);
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113 puts("--Alternate Regs--");
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114 printf("A: %X\nB: %X\nC: %X\nD: %X\nE: %X\nHL: %X\n",
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115 context.alt_regs[Z80_A], context.alt_regs[Z80_B], context.alt_regs[Z80_C],
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116 context.alt_regs[Z80_D], context.alt_regs[Z80_E],
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117 (context.alt_regs[Z80_H] << 8) | context.alt_regs[Z80_L]);
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118 return 0;
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119 }