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annotate debug.c @ 788:a91a19dbb5bc

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Added tag v0.3.0 for changeset 283bdcd5bdb8
author Michael Pavone <pavone@retrodev.com>
date Wed, 22 Jul 2015 00:42:22 -0700
parents 85c98a222fea
children 724bbec47f86
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1 #include "debug.h"
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2 #include "blastem.h"
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3 #include "68kinst.h"
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4 #include <stdlib.h>
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5 #include <string.h>
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6 #ifndef _WIN32
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7 #include <sys/select.h>
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8 #endif
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9 #include "render.h"
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10
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11 static bp_def * breakpoints = NULL;
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12 static bp_def * zbreakpoints = NULL;
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13 static uint32_t bp_index = 0;
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14 static uint32_t zbp_index = 0;
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15
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16 bp_def ** find_breakpoint(bp_def ** cur, uint32_t address)
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17 {
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18 while (*cur) {
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19 if ((*cur)->address == address) {
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20 break;
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21 }
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22 cur = &((*cur)->next);
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23 }
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24 return cur;
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25 }
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26
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27 bp_def ** find_breakpoint_idx(bp_def ** cur, uint32_t index)
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28 {
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29 while (*cur) {
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30 if ((*cur)->index == index) {
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31 break;
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32 }
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33 cur = &((*cur)->next);
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34 }
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35 return cur;
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36 }
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37
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38 disp_def * displays = NULL;
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39 disp_def * zdisplays = NULL;
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40 uint32_t disp_index = 0;
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41 uint32_t zdisp_index = 0;
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42
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43 void add_display(disp_def ** head, uint32_t *index, char format_char, char * param)
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44 {
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45 disp_def * ndisp = malloc(sizeof(*ndisp));
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46 ndisp->format_char = format_char;
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47 ndisp->param = strdup(param);
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48 ndisp->next = *head;
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49 ndisp->index = *index++;
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50 *head = ndisp;
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51 }
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52
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53 void remove_display(disp_def ** head, uint32_t index)
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54 {
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55 while (*head) {
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56 if ((*head)->index == index) {
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57 disp_def * del_disp = *head;
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58 *head = del_disp->next;
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59 free(del_disp->param);
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60 free(del_disp);
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61 } else {
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62 head = &(*head)->next;
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63 }
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64 }
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65 }
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66
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67 char * find_param(char * buf)
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68 {
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69 for (; *buf; buf++) {
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70 if (*buf == ' ') {
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71 if (*(buf+1)) {
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72 return buf+1;
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73 }
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74 }
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75 }
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76 return NULL;
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77 }
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78
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79 void strip_nl(char * buf)
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80 {
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81 for(; *buf; buf++) {
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82 if (*buf == '\n') {
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83 *buf = 0;
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84 return;
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85 }
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86 }
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87 }
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88
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89 #ifndef NO_Z80
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90
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91 void zdebugger_print(z80_context * context, char format_char, char * param)
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92 {
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93 uint32_t value;
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94 char format[8];
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95 strcpy(format, "%s: %d\n");
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96 switch (format_char)
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97 {
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98 case 'x':
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99 case 'X':
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100 case 'd':
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101 case 'c':
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102 format[5] = format_char;
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103 break;
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104 case '\0':
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105 break;
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106 default:
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107 fprintf(stderr, "Unrecognized format character: %c\n", format_char);
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108 }
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109 switch (param[0])
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110 {
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111 case 'a':
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112 if (param[1] == 'f') {
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113 if(param[2] == '\'') {
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114 value = context->alt_regs[Z80_A] << 8;
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115 value |= context->alt_flags[ZF_S] << 7;
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116 value |= context->alt_flags[ZF_Z] << 6;
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117 value |= context->alt_flags[ZF_H] << 4;
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118 value |= context->alt_flags[ZF_PV] << 2;
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119 value |= context->alt_flags[ZF_N] << 1;
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120 value |= context->alt_flags[ZF_C];
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121 } else {
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122 value = context->regs[Z80_A] << 8;
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123 value |= context->flags[ZF_S] << 7;
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124 value |= context->flags[ZF_Z] << 6;
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125 value |= context->flags[ZF_H] << 4;
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126 value |= context->flags[ZF_PV] << 2;
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127 value |= context->flags[ZF_N] << 1;
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128 value |= context->flags[ZF_C];
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129 }
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130 } else if(param[1] == '\'') {
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131 value = context->alt_regs[Z80_A];
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132 } else {
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133 value = context->regs[Z80_A];
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134 }
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135 break;
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136 case 'b':
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137 if (param[1] == 'c') {
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138 if(param[2] == '\'') {
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139 value = context->alt_regs[Z80_B] << 8;
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140 value |= context->alt_regs[Z80_C];
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141 } else {
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142 value = context->regs[Z80_B] << 8;
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143 value |= context->regs[Z80_C];
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144 }
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145 } else if(param[1] == '\'') {
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146 value = context->alt_regs[Z80_B];
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147 } else if(param[1] == 'a') {
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148 value = context->bank_reg << 15;
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149 } else {
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150 value = context->regs[Z80_B];
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151 }
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152 break;
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153 case 'c':
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154 if(param[1] == '\'') {
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155 value = context->alt_regs[Z80_C];
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parents:
diff changeset
156 } else if(param[1] == 'y') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
157 value = context->current_cycle;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
158 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
159 value = context->regs[Z80_C];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
160 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
161 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
162 case 'd':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
163 if (param[1] == 'e') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
164 if(param[2] == '\'') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
165 value = context->alt_regs[Z80_D] << 8;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
166 value |= context->alt_regs[Z80_E];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
167 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
168 value = context->regs[Z80_D] << 8;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
169 value |= context->regs[Z80_E];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
170 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
171 } else if(param[1] == '\'') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
172 value = context->alt_regs[Z80_D];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
173 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
174 value = context->regs[Z80_D];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
175 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
176 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
177 case 'e':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
178 if(param[1] == '\'') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
179 value = context->alt_regs[Z80_E];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
180 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
181 value = context->regs[Z80_E];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
182 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
183 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
184 case 'f':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
185 if(param[2] == '\'') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
186 value = context->alt_flags[ZF_S] << 7;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
187 value |= context->alt_flags[ZF_Z] << 6;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
188 value |= context->alt_flags[ZF_H] << 4;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
189 value |= context->alt_flags[ZF_PV] << 2;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
190 value |= context->alt_flags[ZF_N] << 1;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
191 value |= context->alt_flags[ZF_C];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
192 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
193 value = context->flags[ZF_S] << 7;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
194 value |= context->flags[ZF_Z] << 6;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
195 value |= context->flags[ZF_H] << 4;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
196 value |= context->flags[ZF_PV] << 2;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
197 value |= context->flags[ZF_N] << 1;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
198 value |= context->flags[ZF_C];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
199 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
200 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
201 case 'h':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
202 if (param[1] == 'l') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
203 if(param[2] == '\'') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
204 value = context->alt_regs[Z80_H] << 8;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
205 value |= context->alt_regs[Z80_L];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
206 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
207 value = context->regs[Z80_H] << 8;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
208 value |= context->regs[Z80_L];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
209 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
210 } else if(param[1] == '\'') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
211 value = context->alt_regs[Z80_H];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
212 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
213 value = context->regs[Z80_H];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
214 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
215 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
216 case 'l':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
217 if(param[1] == '\'') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
218 value = context->alt_regs[Z80_L];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
219 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
220 value = context->regs[Z80_L];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
221 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
222 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
223 case 'i':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
224 if(param[1] == 'x') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
225 if (param[2] == 'h') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
226 value = context->regs[Z80_IXH];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
227 } else if(param[2] == 'l') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
228 value = context->regs[Z80_IXL];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
229 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
230 value = context->regs[Z80_IXH] << 8;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
231 value |= context->regs[Z80_IXL];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
232 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
233 } else if(param[1] == 'y') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
234 if (param[2] == 'h') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
235 value = context->regs[Z80_IYH];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
236 } else if(param[2] == 'l') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
237 value = context->regs[Z80_IYL];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
238 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
239 value = context->regs[Z80_IYH] << 8;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
240 value |= context->regs[Z80_IYL];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
241 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
242 } else if(param[1] == 'n') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
243 value = context->int_cycle;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
244 } else if(param[1] == 'f' && param[2] == 'f' && param[3] == '1') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
245 value = context->iff1;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
246 } else if(param[1] == 'f' && param[2] == 'f' && param[3] == '2') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
247 value = context->iff2;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
248 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
249 value = context->im;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
250 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
251 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
252 case 's':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
253 if (param[1] == 'p') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
254 value = context->sp;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
255 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
256 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
257 case '0':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
258 if (param[1] == 'x') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
259 uint16_t p_addr = strtol(param+2, NULL, 16);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
260 if (p_addr < 0x4000) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
261 value = z80_ram[p_addr & 0x1FFF];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
262 } else if(p_addr >= 0x8000) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
263 uint32_t v_addr = context->bank_reg << 15;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
264 v_addr += p_addr & 0x7FFF;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
265 if (v_addr < 0x400000) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
266 value = cart[v_addr/2];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
267 } else if(v_addr > 0xE00000) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
268 value = ram[(v_addr & 0xFFFF)/2];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
269 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
270 if (v_addr & 1) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
271 value &= 0xFF;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
272 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
273 value >>= 8;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
274 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
275 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
276 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
277 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
278 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
279 printf(format, param, value);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
280 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
281
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
282 z80_context * zdebugger(z80_context * context, uint16_t address)
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
283 {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
284 static char last_cmd[1024];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
285 char input_buf[1024];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
286 static uint16_t branch_t;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
287 static uint16_t branch_f;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
288 z80inst inst;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
289 //Check if this is a user set breakpoint, or just a temporary one
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
290 bp_def ** this_bp = find_breakpoint(&zbreakpoints, address);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
291 if (*this_bp) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
292 printf("Z80 Breakpoint %d hit\n", (*this_bp)->index);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
293 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
294 zremove_breakpoint(context, address);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
295 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
296 uint8_t * pc;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
297 if (address < 0x4000) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
298 pc = z80_ram + (address & 0x1FFF);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
299 } else if (address >= 0x8000) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
300 if (context->bank_reg < (0x400000 >> 15)) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
301 fprintf(stderr, "Entered Z80 debugger in banked memory address %X, which is not yet supported\n", address);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
302 exit(1);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
303 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
304 fprintf(stderr, "Entered Z80 debugger in banked memory address %X, but the bank is not pointed to a cartridge address\n", address);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
305 exit(1);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
306 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
307 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
308 fprintf(stderr, "Entered Z80 debugger at address %X\n", address);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
309 exit(1);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
310 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
311 for (disp_def * cur = zdisplays; cur; cur = cur->next) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
312 zdebugger_print(context, cur->format_char, cur->param);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
313 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
314 uint8_t * after_pc = z80_decode(pc, &inst);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
315 z80_disasm(&inst, input_buf, address);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
316 printf("%X:\t%s\n", address, input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
317 uint16_t after = address + (after_pc-pc);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
318 int debugging = 1;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
319 while(debugging) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
320 fputs(">", stdout);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
321 if (!fgets(input_buf, sizeof(input_buf), stdin)) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
322 fputs("fgets failed", stderr);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
323 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
324 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
325 strip_nl(input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
326 //hitting enter repeats last command
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
327 if (input_buf[0]) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
328 strcpy(last_cmd, input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
329 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
330 strcpy(input_buf, last_cmd);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
331 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
332 char * param;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
333 char format[8];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
334 uint32_t value;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
335 bp_def * new_bp;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
336 switch(input_buf[0])
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
337 {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
338 case 'a':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
339 param = find_param(input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
340 if (!param) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
341 fputs("a command requires a parameter\n", stderr);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
342 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
343 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
344 value = strtol(param, NULL, 16);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
345 zinsert_breakpoint(context, value, (uint8_t *)zdebugger);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
346 debugging = 0;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
347 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
348 case 'b':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
349 param = find_param(input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
350 if (!param) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
351 fputs("b command requires a parameter\n", stderr);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
352 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
353 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
354 value = strtol(param, NULL, 16);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
355 zinsert_breakpoint(context, value, (uint8_t *)zdebugger);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
356 new_bp = malloc(sizeof(bp_def));
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
357 new_bp->next = zbreakpoints;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
358 new_bp->address = value;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
359 new_bp->index = zbp_index++;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
360 zbreakpoints = new_bp;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
361 printf("Z80 Breakpoint %d set at %X\n", new_bp->index, value);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
362 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
363 case 'c':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
364 puts("Continuing");
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
365 debugging = 0;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
366 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
367 case 'd':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
368 if (input_buf[1] == 'i') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
369 char format_char = 0;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
370 for(int i = 2; input_buf[i] != 0 && input_buf[i] != ' '; i++) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
371 if (input_buf[i] == '/') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
372 format_char = input_buf[i+1];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
373 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
374 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
375 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
376 param = find_param(input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
377 if (!param) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
378 fputs("display command requires a parameter\n", stderr);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
379 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
380 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
381 zdebugger_print(context, format_char, param);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
382 add_display(&zdisplays, &zdisp_index, format_char, param);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
383 } else if (input_buf[1] == 'e' || input_buf[1] == ' ') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
384 param = find_param(input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
385 if (!param) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
386 fputs("delete command requires a parameter\n", stderr);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
387 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
388 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
389 if (param[0] >= '0' && param[0] <= '9') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
390 value = atoi(param);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
391 this_bp = find_breakpoint_idx(&zbreakpoints, value);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
392 if (!*this_bp) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
393 fprintf(stderr, "Breakpoint %d does not exist\n", value);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
394 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
395 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
396 new_bp = *this_bp;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
397 zremove_breakpoint(context, new_bp->address);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
398 *this_bp = new_bp->next;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
399 free(new_bp);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
400 } else if (param[0] == 'd') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
401 param = find_param(param);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
402 if (!param) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
403 fputs("delete display command requires a parameter\n", stderr);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
404 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
405 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
406 remove_display(&zdisplays, atoi(param));
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
407 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
408 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
409 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
410 case 'n':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
411 //TODO: Handle conditional branch instructions
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
412 if (inst.op == Z80_JP) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
413 if (inst.addr_mode == Z80_IMMED) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
414 after = inst.immed;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
415 } else if (inst.ea_reg == Z80_HL) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
416 after = context->regs[Z80_H] << 8 | context->regs[Z80_L];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
417 } else if (inst.ea_reg == Z80_IX) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
418 after = context->regs[Z80_IXH] << 8 | context->regs[Z80_IXL];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
419 } else if (inst.ea_reg == Z80_IY) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
420 after = context->regs[Z80_IYH] << 8 | context->regs[Z80_IYL];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
421 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
422 } else if(inst.op == Z80_JR) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
423 after += inst.immed;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
424 } else if(inst.op == Z80_RET) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
425 if (context->sp < 0x4000) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
426 after = z80_ram[context->sp & 0x1FFF] | z80_ram[(context->sp+1) & 0x1FFF] << 8;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
427 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
428 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
429 zinsert_breakpoint(context, after, (uint8_t *)zdebugger);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
430 debugging = 0;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
431 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
432 case 'p':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
433 param = find_param(input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
434 if (!param) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
435 fputs("p command requires a parameter\n", stderr);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
436 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
437 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
438 zdebugger_print(context, input_buf[1] == '/' ? input_buf[2] : 0, param);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
439 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
440 case 'q':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
441 puts("Quitting");
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
442 exit(0);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
443 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
444 case 's': {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
445 param = find_param(input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
446 if (!param) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
447 fputs("s command requires a file name\n", stderr);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
448 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
449 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
450 FILE * f = fopen(param, "wb");
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
451 if (f) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
452 if(fwrite(z80_ram, 1, sizeof(z80_ram), f) != sizeof(z80_ram)) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
453 fputs("Error writing file\n", stderr);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
454 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
455 fclose(f);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
456 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
457 fprintf(stderr, "Could not open %s for writing\n", param);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
458 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
459 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
460 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
461 default:
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
462 fprintf(stderr, "Unrecognized debugger command %s\n", input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
463 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
464 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
465 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
466 return context;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
467 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
468
548
a3afee2271ce Initial work on the x86-32 target
Michael Pavone <pavone@retrodev.com>
parents: 525
diff changeset
469 #endif
a3afee2271ce Initial work on the x86-32 target
Michael Pavone <pavone@retrodev.com>
parents: 525
diff changeset
470
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
471 m68k_context * debugger(m68k_context * context, uint32_t address)
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
472 {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
473 static char last_cmd[1024];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
474 char input_buf[1024];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
475 static uint32_t branch_t;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
476 static uint32_t branch_f;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
477 m68kinst inst;
707
8aa9aacefe12 Sync machine state before entering debugger
Michael Pavone <pavone@retrodev.com>
parents: 652
diff changeset
478 sync_components(context, 0);
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
479 //probably not necessary, but let's play it safe
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
480 address &= 0xFFFFFF;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
481 if (address == branch_t) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
482 bp_def ** f_bp = find_breakpoint(&breakpoints, branch_f);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
483 if (!*f_bp) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
484 remove_breakpoint(context, branch_f);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
485 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
486 branch_t = branch_f = 0;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
487 } else if(address == branch_f) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
488 bp_def ** t_bp = find_breakpoint(&breakpoints, branch_t);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
489 if (!*t_bp) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
490 remove_breakpoint(context, branch_t);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
491 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
492 branch_t = branch_f = 0;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
493 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
494 //Check if this is a user set breakpoint, or just a temporary one
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
495 bp_def ** this_bp = find_breakpoint(&breakpoints, address);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
496 if (*this_bp) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
497 printf("68K Breakpoint %d hit\n", (*this_bp)->index);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
498 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
499 remove_breakpoint(context, address);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
500 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
501 uint16_t * pc;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
502 if (address < 0x400000) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
503 pc = cart + address/2;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
504 } else if(address > 0xE00000) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
505 pc = ram + (address & 0xFFFF)/2;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
506 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
507 fprintf(stderr, "Entered 68K debugger at address %X\n", address);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
508 exit(1);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
509 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
510 uint16_t * after_pc = m68k_decode(pc, &inst, address);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
511 m68k_disasm(&inst, input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
512 printf("%X: %s\n", address, input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
513 uint32_t after = address + (after_pc-pc)*2;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
514 int debugging = 1;
745
daa31ee7d8cd Get windows build compiling again post-merge
Michael Pavone <pavone@retrodev.com>
parents: 723
diff changeset
515 #ifdef _WIN32
daa31ee7d8cd Get windows build compiling again post-merge
Michael Pavone <pavone@retrodev.com>
parents: 723
diff changeset
516 #define prompt 1
daa31ee7d8cd Get windows build compiling again post-merge
Michael Pavone <pavone@retrodev.com>
parents: 723
diff changeset
517 #else
723
7178d750efbd Process events while waiting for 68K debugger input. This prevents "not responsive" dialogs when sitting in the debugger
Michael Pavone <pavone@retrodev.com>
parents: 707
diff changeset
518 int prompt = 1;
7178d750efbd Process events while waiting for 68K debugger input. This prevents "not responsive" dialogs when sitting in the debugger
Michael Pavone <pavone@retrodev.com>
parents: 707
diff changeset
519 fd_set read_fds;
7178d750efbd Process events while waiting for 68K debugger input. This prevents "not responsive" dialogs when sitting in the debugger
Michael Pavone <pavone@retrodev.com>
parents: 707
diff changeset
520 FD_ZERO(&read_fds);
7178d750efbd Process events while waiting for 68K debugger input. This prevents "not responsive" dialogs when sitting in the debugger
Michael Pavone <pavone@retrodev.com>
parents: 707
diff changeset
521 struct timeval timeout;
745
daa31ee7d8cd Get windows build compiling again post-merge
Michael Pavone <pavone@retrodev.com>
parents: 723
diff changeset
522 #endif
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
523 while (debugging) {
723
7178d750efbd Process events while waiting for 68K debugger input. This prevents "not responsive" dialogs when sitting in the debugger
Michael Pavone <pavone@retrodev.com>
parents: 707
diff changeset
524 if (prompt) {
7178d750efbd Process events while waiting for 68K debugger input. This prevents "not responsive" dialogs when sitting in the debugger
Michael Pavone <pavone@retrodev.com>
parents: 707
diff changeset
525 fputs(">", stdout);
7178d750efbd Process events while waiting for 68K debugger input. This prevents "not responsive" dialogs when sitting in the debugger
Michael Pavone <pavone@retrodev.com>
parents: 707
diff changeset
526 fflush(stdout);
7178d750efbd Process events while waiting for 68K debugger input. This prevents "not responsive" dialogs when sitting in the debugger
Michael Pavone <pavone@retrodev.com>
parents: 707
diff changeset
527 }
7178d750efbd Process events while waiting for 68K debugger input. This prevents "not responsive" dialogs when sitting in the debugger
Michael Pavone <pavone@retrodev.com>
parents: 707
diff changeset
528 process_events();
745
daa31ee7d8cd Get windows build compiling again post-merge
Michael Pavone <pavone@retrodev.com>
parents: 723
diff changeset
529 #ifndef _WIN32
723
7178d750efbd Process events while waiting for 68K debugger input. This prevents "not responsive" dialogs when sitting in the debugger
Michael Pavone <pavone@retrodev.com>
parents: 707
diff changeset
530 timeout.tv_sec = 0;
7178d750efbd Process events while waiting for 68K debugger input. This prevents "not responsive" dialogs when sitting in the debugger
Michael Pavone <pavone@retrodev.com>
parents: 707
diff changeset
531 timeout.tv_usec = 16667;
7178d750efbd Process events while waiting for 68K debugger input. This prevents "not responsive" dialogs when sitting in the debugger
Michael Pavone <pavone@retrodev.com>
parents: 707
diff changeset
532 FD_SET(fileno(stdin), &read_fds);
7178d750efbd Process events while waiting for 68K debugger input. This prevents "not responsive" dialogs when sitting in the debugger
Michael Pavone <pavone@retrodev.com>
parents: 707
diff changeset
533 if(select(fileno(stdin) + 1, &read_fds, NULL, NULL, &timeout) < 1) {
7178d750efbd Process events while waiting for 68K debugger input. This prevents "not responsive" dialogs when sitting in the debugger
Michael Pavone <pavone@retrodev.com>
parents: 707
diff changeset
534 prompt = 0;
7178d750efbd Process events while waiting for 68K debugger input. This prevents "not responsive" dialogs when sitting in the debugger
Michael Pavone <pavone@retrodev.com>
parents: 707
diff changeset
535 continue;
7178d750efbd Process events while waiting for 68K debugger input. This prevents "not responsive" dialogs when sitting in the debugger
Michael Pavone <pavone@retrodev.com>
parents: 707
diff changeset
536 } else {
7178d750efbd Process events while waiting for 68K debugger input. This prevents "not responsive" dialogs when sitting in the debugger
Michael Pavone <pavone@retrodev.com>
parents: 707
diff changeset
537 prompt = 1;
7178d750efbd Process events while waiting for 68K debugger input. This prevents "not responsive" dialogs when sitting in the debugger
Michael Pavone <pavone@retrodev.com>
parents: 707
diff changeset
538 }
745
daa31ee7d8cd Get windows build compiling again post-merge
Michael Pavone <pavone@retrodev.com>
parents: 723
diff changeset
539 #endif
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
540 if (!fgets(input_buf, sizeof(input_buf), stdin)) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
541 fputs("fgets failed", stderr);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
542 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
543 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
544 strip_nl(input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
545 //hitting enter repeats last command
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
546 if (input_buf[0]) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
547 strcpy(last_cmd, input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
548 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
549 strcpy(input_buf, last_cmd);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
550 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
551 char * param;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
552 char format[8];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
553 uint32_t value;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
554 bp_def * new_bp;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
555 switch(input_buf[0])
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
556 {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
557 case 'c':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
558 puts("Continuing");
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
559 debugging = 0;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
560 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
561 case 'b':
566
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
562 if (input_buf[1] == 't') {
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
563 uint32_t stack = context->aregs[7];
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
564 if (stack >= 0xE00000) {
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
565 stack &= 0xFFFF;
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
566 uint8_t non_adr_count = 0;
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
567 do {
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
568 uint32_t bt_address = ram[stack/2] << 16 | ram[stack/2+1];
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
569 bt_address = get_instruction_start(context->native_code_map, bt_address - 2);
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
570 if (bt_address) {
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
571 stack += 4;
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
572 non_adr_count = 0;
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
573 uint16_t *bt_pc = NULL;
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
574 if (bt_address < 0x400000) {
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
575 bt_pc = cart + bt_address/2;
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
576 } else if(bt_address > 0xE00000) {
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
577 bt_pc = ram + (bt_address & 0xFFFF)/2;
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
578 }
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
579 m68k_decode(bt_pc, &inst, bt_address);
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
580 m68k_disasm(&inst, input_buf);
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
581 printf("%X: %s\n", bt_address, input_buf);
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
582 } else {
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
583 //non-return address value on stack can be word wide
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
584 stack += 2;
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
585 non_adr_count++;
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
586 }
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
587 stack &= 0xFFFF;
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
588 } while (stack && non_adr_count < 6);
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
589 }
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
590 } else {
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
591 param = find_param(input_buf);
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
592 if (!param) {
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
593 fputs("b command requires a parameter\n", stderr);
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
594 break;
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
595 }
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
596 value = strtol(param, NULL, 16);
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
597 insert_breakpoint(context, value, (uint8_t *)debugger);
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
598 new_bp = malloc(sizeof(bp_def));
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
599 new_bp->next = breakpoints;
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
600 new_bp->address = value;
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
601 new_bp->index = bp_index++;
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
602 breakpoints = new_bp;
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
603 printf("68K Breakpoint %d set at %X\n", new_bp->index, value);
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
604 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
605 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
606 case 'a':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
607 param = find_param(input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
608 if (!param) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
609 fputs("a command requires a parameter\n", stderr);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
610 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
611 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
612 value = strtol(param, NULL, 16);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
613 insert_breakpoint(context, value, (uint8_t *)debugger);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
614 debugging = 0;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
615 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
616 case 'd':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
617 param = find_param(input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
618 if (!param) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
619 fputs("d command requires a parameter\n", stderr);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
620 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
621 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
622 value = atoi(param);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
623 this_bp = find_breakpoint_idx(&breakpoints, value);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
624 if (!*this_bp) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
625 fprintf(stderr, "Breakpoint %d does not exist\n", value);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
626 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
627 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
628 new_bp = *this_bp;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
629 *this_bp = (*this_bp)->next;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
630 free(new_bp);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
631 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
632 case 'p':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
633 strcpy(format, "%s: %d\n");
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
634 if (input_buf[1] == '/') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
635 switch (input_buf[2])
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
636 {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
637 case 'x':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
638 case 'X':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
639 case 'd':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
640 case 'c':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
641 format[5] = input_buf[2];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
642 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
643 default:
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
644 fprintf(stderr, "Unrecognized format character: %c\n", input_buf[2]);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
645 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
646 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
647 param = find_param(input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
648 if (!param) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
649 fputs("p command requires a parameter\n", stderr);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
650 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
651 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
652 if (param[0] == 'd' && param[1] >= '0' && param[1] <= '7') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
653 value = context->dregs[param[1]-'0'];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
654 } else if (param[0] == 'a' && param[1] >= '0' && param[1] <= '7') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
655 value = context->aregs[param[1]-'0'];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
656 } else if (param[0] == 'S' && param[1] == 'R') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
657 value = (context->status << 8);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
658 for (int flag = 0; flag < 5; flag++) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
659 value |= context->flags[flag] << (4-flag);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
660 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
661 } else if(param[0] == 'c') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
662 value = context->current_cycle;
622
b76d2a628ab9 Partially working switch to having a vcounter and hslot counter in the context rather than trying to derive them from the cycle count. This should allow for more accurate handling of mid screen mode switches. Interrupt timing is broken currently though
Michael Pavone <pavone@retrodev.com>
parents: 525
diff changeset
663 } else if ((param[0] == '0' && param[1] == 'x') || param[0] == '$') {
b76d2a628ab9 Partially working switch to having a vcounter and hslot counter in the context rather than trying to derive them from the cycle count. This should allow for more accurate handling of mid screen mode switches. Interrupt timing is broken currently though
Michael Pavone <pavone@retrodev.com>
parents: 525
diff changeset
664 uint32_t p_addr = strtol(param+(param[0] == '0' ? 2 : 1), NULL, 16);
b76d2a628ab9 Partially working switch to having a vcounter and hslot counter in the context rather than trying to derive them from the cycle count. This should allow for more accurate handling of mid screen mode switches. Interrupt timing is broken currently though
Michael Pavone <pavone@retrodev.com>
parents: 525
diff changeset
665 if ((p_addr & 0xFFFFFF) == 0xC00004) {
b76d2a628ab9 Partially working switch to having a vcounter and hslot counter in the context rather than trying to derive them from the cycle count. This should allow for more accurate handling of mid screen mode switches. Interrupt timing is broken currently though
Michael Pavone <pavone@retrodev.com>
parents: 525
diff changeset
666 genesis_context * gen = context->system;
b76d2a628ab9 Partially working switch to having a vcounter and hslot counter in the context rather than trying to derive them from the cycle count. This should allow for more accurate handling of mid screen mode switches. Interrupt timing is broken currently though
Michael Pavone <pavone@retrodev.com>
parents: 525
diff changeset
667 value = vdp_hv_counter_read(gen->vdp);
b76d2a628ab9 Partially working switch to having a vcounter and hslot counter in the context rather than trying to derive them from the cycle count. This should allow for more accurate handling of mid screen mode switches. Interrupt timing is broken currently though
Michael Pavone <pavone@retrodev.com>
parents: 525
diff changeset
668 } else {
b76d2a628ab9 Partially working switch to having a vcounter and hslot counter in the context rather than trying to derive them from the cycle count. This should allow for more accurate handling of mid screen mode switches. Interrupt timing is broken currently though
Michael Pavone <pavone@retrodev.com>
parents: 525
diff changeset
669 value = read_dma_value(p_addr/2);
b76d2a628ab9 Partially working switch to having a vcounter and hslot counter in the context rather than trying to derive them from the cycle count. This should allow for more accurate handling of mid screen mode switches. Interrupt timing is broken currently though
Michael Pavone <pavone@retrodev.com>
parents: 525
diff changeset
670 }
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
671 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
672 fprintf(stderr, "Unrecognized parameter to p: %s\n", param);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
673 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
674 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
675 printf(format, param, value);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
676 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
677 case 'n':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
678 if (inst.op == M68K_RTS) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
679 after = (read_dma_value(context->aregs[7]/2) << 16) | read_dma_value(context->aregs[7]/2 + 1);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
680 } else if (inst.op == M68K_RTE || inst.op == M68K_RTR) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
681 after = (read_dma_value((context->aregs[7]+2)/2) << 16) | read_dma_value((context->aregs[7]+2)/2 + 1);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
682 } else if(m68k_is_noncall_branch(&inst)) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
683 if (inst.op == M68K_BCC && inst.extra.cond != COND_TRUE) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
684 branch_f = after;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
685 branch_t = m68k_branch_target(&inst, context->dregs, context->aregs);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
686 insert_breakpoint(context, branch_t, (uint8_t *)debugger);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
687 } else if(inst.op == M68K_DBCC) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
688 if ( inst.extra.cond == COND_FALSE) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
689 if (context->dregs[inst.dst.params.regs.pri] & 0xFFFF) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
690 after = m68k_branch_target(&inst, context->dregs, context->aregs);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
691 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
692 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
693 branch_t = after;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
694 branch_f = m68k_branch_target(&inst, context->dregs, context->aregs);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
695 insert_breakpoint(context, branch_f, (uint8_t *)debugger);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
696 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
697 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
698 after = m68k_branch_target(&inst, context->dregs, context->aregs);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
699 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
700 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
701 insert_breakpoint(context, after, (uint8_t *)debugger);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
702 debugging = 0;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
703 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
704 case 'o':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
705 if (inst.op == M68K_RTS) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
706 after = (read_dma_value(context->aregs[7]/2) << 16) | read_dma_value(context->aregs[7]/2 + 1);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
707 } else if (inst.op == M68K_RTE || inst.op == M68K_RTR) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
708 after = (read_dma_value((context->aregs[7]+2)/2) << 16) | read_dma_value((context->aregs[7]+2)/2 + 1);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
709 } else if(m68k_is_noncall_branch(&inst)) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
710 if (inst.op == M68K_BCC && inst.extra.cond != COND_TRUE) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
711 branch_t = m68k_branch_target(&inst, context->dregs, context->aregs) & 0xFFFFFF;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
712 if (branch_t < after) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
713 branch_t = 0;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
714 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
715 branch_f = after;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
716 insert_breakpoint(context, branch_t, (uint8_t *)debugger);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
717 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
718 } else if(inst.op == M68K_DBCC) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
719 uint32_t target = m68k_branch_target(&inst, context->dregs, context->aregs) & 0xFFFFFF;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
720 if (target > after) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
721 if (inst.extra.cond == COND_FALSE) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
722 after = target;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
723 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
724 branch_f = target;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
725 branch_t = after;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
726 insert_breakpoint(context, branch_f, (uint8_t *)debugger);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
727 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
728 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
729 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
730 after = m68k_branch_target(&inst, context->dregs, context->aregs) & 0xFFFFFF;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
731 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
732 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
733 insert_breakpoint(context, after, (uint8_t *)debugger);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
734 debugging = 0;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
735 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
736 case 's':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
737 if (inst.op == M68K_RTS) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
738 after = (read_dma_value(context->aregs[7]/2) << 16) | read_dma_value(context->aregs[7]/2 + 1);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
739 } else if (inst.op == M68K_RTE || inst.op == M68K_RTR) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
740 after = (read_dma_value((context->aregs[7]+2)/2) << 16) | read_dma_value((context->aregs[7]+2)/2 + 1);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
741 } else if(m68k_is_branch(&inst)) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
742 if (inst.op == M68K_BCC && inst.extra.cond != COND_TRUE) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
743 branch_f = after;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
744 branch_t = m68k_branch_target(&inst, context->dregs, context->aregs) & 0xFFFFFF;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
745 insert_breakpoint(context, branch_t, (uint8_t *)debugger);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
746 } else if(inst.op == M68K_DBCC && inst.extra.cond != COND_FALSE) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
747 branch_t = after;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
748 branch_f = m68k_branch_target(&inst, context->dregs, context->aregs) & 0xFFFFFF;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
749 insert_breakpoint(context, branch_f, (uint8_t *)debugger);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
750 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
751 after = m68k_branch_target(&inst, context->dregs, context->aregs) & 0xFFFFFF;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
752 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
753 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
754 insert_breakpoint(context, after, (uint8_t *)debugger);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
755 debugging = 0;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
756 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
757 case 'v': {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
758 genesis_context * gen = context->system;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
759 //VDP debug commands
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
760 switch(input_buf[1])
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
761 {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
762 case 's':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
763 vdp_print_sprite_table(gen->vdp);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
764 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
765 case 'r':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
766 vdp_print_reg_explain(gen->vdp);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
767 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
768 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
769 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
770 }
739
2317bdca03b4 Add a basic YM-2612 command to the debugger. Fix negative detune values and get the correct precision for the multiplication step of phase inc calculation
Michael Pavone <pavone@retrodev.com>
parents: 723
diff changeset
771 case 'y': {
2317bdca03b4 Add a basic YM-2612 command to the debugger. Fix negative detune values and get the correct precision for the multiplication step of phase inc calculation
Michael Pavone <pavone@retrodev.com>
parents: 723
diff changeset
772 genesis_context * gen = context->system;
2317bdca03b4 Add a basic YM-2612 command to the debugger. Fix negative detune values and get the correct precision for the multiplication step of phase inc calculation
Michael Pavone <pavone@retrodev.com>
parents: 723
diff changeset
773 //YM-2612 debug commands
2317bdca03b4 Add a basic YM-2612 command to the debugger. Fix negative detune values and get the correct precision for the multiplication step of phase inc calculation
Michael Pavone <pavone@retrodev.com>
parents: 723
diff changeset
774 switch(input_buf[1])
2317bdca03b4 Add a basic YM-2612 command to the debugger. Fix negative detune values and get the correct precision for the multiplication step of phase inc calculation
Michael Pavone <pavone@retrodev.com>
parents: 723
diff changeset
775 {
2317bdca03b4 Add a basic YM-2612 command to the debugger. Fix negative detune values and get the correct precision for the multiplication step of phase inc calculation
Michael Pavone <pavone@retrodev.com>
parents: 723
diff changeset
776 case 'c':
2317bdca03b4 Add a basic YM-2612 command to the debugger. Fix negative detune values and get the correct precision for the multiplication step of phase inc calculation
Michael Pavone <pavone@retrodev.com>
parents: 723
diff changeset
777 if (input_buf[2] == ' ') {
2317bdca03b4 Add a basic YM-2612 command to the debugger. Fix negative detune values and get the correct precision for the multiplication step of phase inc calculation
Michael Pavone <pavone@retrodev.com>
parents: 723
diff changeset
778 int channel = atoi(input_buf+3)-1;
2317bdca03b4 Add a basic YM-2612 command to the debugger. Fix negative detune values and get the correct precision for the multiplication step of phase inc calculation
Michael Pavone <pavone@retrodev.com>
parents: 723
diff changeset
779 ym_print_channel_info(gen->ym, channel);
2317bdca03b4 Add a basic YM-2612 command to the debugger. Fix negative detune values and get the correct precision for the multiplication step of phase inc calculation
Michael Pavone <pavone@retrodev.com>
parents: 723
diff changeset
780 } else {
2317bdca03b4 Add a basic YM-2612 command to the debugger. Fix negative detune values and get the correct precision for the multiplication step of phase inc calculation
Michael Pavone <pavone@retrodev.com>
parents: 723
diff changeset
781 for (int i = 0; i < 6; i++) {
2317bdca03b4 Add a basic YM-2612 command to the debugger. Fix negative detune values and get the correct precision for the multiplication step of phase inc calculation
Michael Pavone <pavone@retrodev.com>
parents: 723
diff changeset
782 ym_print_channel_info(gen->ym, i);
2317bdca03b4 Add a basic YM-2612 command to the debugger. Fix negative detune values and get the correct precision for the multiplication step of phase inc calculation
Michael Pavone <pavone@retrodev.com>
parents: 723
diff changeset
783 }
2317bdca03b4 Add a basic YM-2612 command to the debugger. Fix negative detune values and get the correct precision for the multiplication step of phase inc calculation
Michael Pavone <pavone@retrodev.com>
parents: 723
diff changeset
784 }
2317bdca03b4 Add a basic YM-2612 command to the debugger. Fix negative detune values and get the correct precision for the multiplication step of phase inc calculation
Michael Pavone <pavone@retrodev.com>
parents: 723
diff changeset
785 }
2317bdca03b4 Add a basic YM-2612 command to the debugger. Fix negative detune values and get the correct precision for the multiplication step of phase inc calculation
Michael Pavone <pavone@retrodev.com>
parents: 723
diff changeset
786 break;
2317bdca03b4 Add a basic YM-2612 command to the debugger. Fix negative detune values and get the correct precision for the multiplication step of phase inc calculation
Michael Pavone <pavone@retrodev.com>
parents: 723
diff changeset
787 }
565
9324f721efa6 Add a separate flag/define for disabling the Z80 at compile time to ease refactoring
Michael Pavone <pavone@retrodev.com>
parents: 548
diff changeset
788 #ifndef NO_Z80
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
789 case 'z': {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
790 genesis_context * gen = context->system;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
791 //Z80 debug commands
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
792 switch(input_buf[1])
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
793 {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
794 case 'b':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
795 param = find_param(input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
796 if (!param) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
797 fputs("zb command requires a parameter\n", stderr);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
798 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
799 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
800 value = strtol(param, NULL, 16);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
801 zinsert_breakpoint(gen->z80, value, (uint8_t *)zdebugger);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
802 new_bp = malloc(sizeof(bp_def));
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
803 new_bp->next = zbreakpoints;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
804 new_bp->address = value;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
805 new_bp->index = zbp_index++;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
806 zbreakpoints = new_bp;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
807 printf("Z80 Breakpoint %d set at %X\n", new_bp->index, value);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
808 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
809 case 'p':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
810 param = find_param(input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
811 if (!param) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
812 fputs("zp command requires a parameter\n", stderr);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
813 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
814 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
815 zdebugger_print(gen->z80, input_buf[2] == '/' ? input_buf[3] : 0, param);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
816 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
817 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
818 }
548
a3afee2271ce Initial work on the x86-32 target
Michael Pavone <pavone@retrodev.com>
parents: 525
diff changeset
819 #endif
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
820 case 'q':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
821 puts("Quitting");
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
822 exit(0);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
823 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
824 default:
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
825 fprintf(stderr, "Unrecognized debugger command %s\n", input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
826 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
827 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
828 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
829 return context;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
830 }