Mercurial > repos > blastem

annotate debug.c @ 652:f822d9216968

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Merge
author Michael Pavone <pavone@retrodev.com>
date Tue, 30 Dec 2014 19:11:34 -0800
parents 624dd5106060 b76d2a628ab9
children 8aa9aacefe12
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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
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7 static bp_def * breakpoints = NULL;
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8 static bp_def * zbreakpoints = NULL;
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9 static uint32_t bp_index = 0;
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10 static uint32_t zbp_index = 0;
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11
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12 bp_def ** find_breakpoint(bp_def ** cur, uint32_t address)
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13 {
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14 while (*cur) {
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15 if ((*cur)->address == address) {
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16 break;
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17 }
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18 cur = &((*cur)->next);
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19 }
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20 return cur;
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21 }
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22
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23 bp_def ** find_breakpoint_idx(bp_def ** cur, uint32_t index)
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24 {
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25 while (*cur) {
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26 if ((*cur)->index == index) {
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27 break;
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28 }
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29 cur = &((*cur)->next);
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30 }
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31 return cur;
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32 }
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33
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34 disp_def * displays = NULL;
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35 disp_def * zdisplays = NULL;
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36 uint32_t disp_index = 0;
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37 uint32_t zdisp_index = 0;
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38
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39 void add_display(disp_def ** head, uint32_t *index, char format_char, char * param)
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40 {
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41 disp_def * ndisp = malloc(sizeof(*ndisp));
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42 ndisp->format_char = format_char;
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43 ndisp->param = strdup(param);
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44 ndisp->next = *head;
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45 ndisp->index = *index++;
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46 *head = ndisp;
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47 }
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48
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49 void remove_display(disp_def ** head, uint32_t index)
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50 {
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51 while (*head) {
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52 if ((*head)->index == index) {
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53 disp_def * del_disp = *head;
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54 *head = del_disp->next;
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55 free(del_disp->param);
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56 free(del_disp);
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57 } else {
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58 head = &(*head)->next;
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59 }
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60 }
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61 }
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62
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63 char * find_param(char * buf)
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64 {
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65 for (; *buf; buf++) {
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66 if (*buf == ' ') {
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67 if (*(buf+1)) {
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68 return buf+1;
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69 }
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70 }
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71 }
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72 return NULL;
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73 }
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74
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75 void strip_nl(char * buf)
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76 {
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77 for(; *buf; buf++) {
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78 if (*buf == '\n') {
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79 *buf = 0;
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80 return;
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81 }
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82 }
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83 }
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84
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9324f721efa6 Add a separate flag/define for disabling the Z80 at compile time to ease refactoring
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85 #ifndef NO_Z80
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86
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87 void zdebugger_print(z80_context * context, char format_char, char * param)
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88 {
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89 uint32_t value;
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90 char format[8];
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91 strcpy(format, "%s: %d\n");
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92 switch (format_char)
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93 {
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94 case 'x':
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95 case 'X':
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96 case 'd':
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97 case 'c':
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98 format[5] = format_char;
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99 break;
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100 case '\0':
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101 break;
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102 default:
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103 fprintf(stderr, "Unrecognized format character: %c\n", format_char);
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104 }
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105 switch (param[0])
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106 {
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107 case 'a':
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108 if (param[1] == 'f') {
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109 if(param[2] == '\'') {
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110 value = context->alt_regs[Z80_A] << 8;
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111 value |= context->alt_flags[ZF_S] << 7;
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112 value |= context->alt_flags[ZF_Z] << 6;
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113 value |= context->alt_flags[ZF_H] << 4;
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114 value |= context->alt_flags[ZF_PV] << 2;
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115 value |= context->alt_flags[ZF_N] << 1;
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116 value |= context->alt_flags[ZF_C];
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117 } else {
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118 value = context->regs[Z80_A] << 8;
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119 value |= context->flags[ZF_S] << 7;
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120 value |= context->flags[ZF_Z] << 6;
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121 value |= context->flags[ZF_H] << 4;
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122 value |= context->flags[ZF_PV] << 2;
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123 value |= context->flags[ZF_N] << 1;
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124 value |= context->flags[ZF_C];
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125 }
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126 } else if(param[1] == '\'') {
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127 value = context->alt_regs[Z80_A];
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128 } else {
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129 value = context->regs[Z80_A];
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130 }
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131 break;
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132 case 'b':
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133 if (param[1] == 'c') {
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134 if(param[2] == '\'') {
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135 value = context->alt_regs[Z80_B] << 8;
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136 value |= context->alt_regs[Z80_C];
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137 } else {
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138 value = context->regs[Z80_B] << 8;
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139 value |= context->regs[Z80_C];
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140 }
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141 } else if(param[1] == '\'') {
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142 value = context->alt_regs[Z80_B];
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143 } else if(param[1] == 'a') {
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144 value = context->bank_reg << 15;
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145 } else {
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146 value = context->regs[Z80_B];
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147 }
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148 break;
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149 case 'c':
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150 if(param[1] == '\'') {
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151 value = context->alt_regs[Z80_C];
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152 } else if(param[1] == 'y') {
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153 value = context->current_cycle;
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154 } else {
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155 value = context->regs[Z80_C];
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156 }
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157 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
158 case 'd':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
159 if (param[1] == 'e') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
160 if(param[2] == '\'') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
161 value = context->alt_regs[Z80_D] << 8;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
162 value |= context->alt_regs[Z80_E];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
163 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
164 value = context->regs[Z80_D] << 8;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
165 value |= context->regs[Z80_E];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
166 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
167 } else if(param[1] == '\'') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
168 value = context->alt_regs[Z80_D];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
169 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
170 value = context->regs[Z80_D];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
171 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
172 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
173 case 'e':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
174 if(param[1] == '\'') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
175 value = context->alt_regs[Z80_E];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
176 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
177 value = context->regs[Z80_E];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
178 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
179 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
180 case 'f':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
181 if(param[2] == '\'') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
182 value = context->alt_flags[ZF_S] << 7;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
183 value |= context->alt_flags[ZF_Z] << 6;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
184 value |= context->alt_flags[ZF_H] << 4;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
185 value |= context->alt_flags[ZF_PV] << 2;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
186 value |= context->alt_flags[ZF_N] << 1;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
187 value |= context->alt_flags[ZF_C];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
188 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
189 value = context->flags[ZF_S] << 7;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
190 value |= context->flags[ZF_Z] << 6;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
191 value |= context->flags[ZF_H] << 4;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
192 value |= context->flags[ZF_PV] << 2;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
193 value |= context->flags[ZF_N] << 1;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
194 value |= context->flags[ZF_C];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
195 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
196 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
197 case 'h':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
198 if (param[1] == 'l') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
199 if(param[2] == '\'') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
200 value = context->alt_regs[Z80_H] << 8;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
201 value |= context->alt_regs[Z80_L];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
202 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
203 value = context->regs[Z80_H] << 8;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
204 value |= context->regs[Z80_L];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
205 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
206 } else if(param[1] == '\'') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
207 value = context->alt_regs[Z80_H];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
208 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
209 value = context->regs[Z80_H];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
210 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
211 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
212 case 'l':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
213 if(param[1] == '\'') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
214 value = context->alt_regs[Z80_L];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
215 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
216 value = context->regs[Z80_L];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
217 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
218 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
219 case 'i':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
220 if(param[1] == 'x') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
221 if (param[2] == 'h') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
222 value = context->regs[Z80_IXH];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
223 } else if(param[2] == 'l') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
224 value = context->regs[Z80_IXL];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
225 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
226 value = context->regs[Z80_IXH] << 8;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
227 value |= context->regs[Z80_IXL];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
228 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
229 } else if(param[1] == 'y') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
230 if (param[2] == 'h') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
231 value = context->regs[Z80_IYH];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
232 } else if(param[2] == 'l') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
233 value = context->regs[Z80_IYL];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
234 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
235 value = context->regs[Z80_IYH] << 8;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
236 value |= context->regs[Z80_IYL];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
237 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
238 } else if(param[1] == 'n') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
239 value = context->int_cycle;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
240 } 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
241 value = context->iff1;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
242 } 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
243 value = context->iff2;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
244 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
245 value = context->im;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
246 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
247 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
248 case 's':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
249 if (param[1] == 'p') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
250 value = context->sp;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
251 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
252 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
253 case '0':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
254 if (param[1] == 'x') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
255 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
256 if (p_addr < 0x4000) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
257 value = z80_ram[p_addr & 0x1FFF];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
258 } else if(p_addr >= 0x8000) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
259 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
260 v_addr += p_addr & 0x7FFF;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
261 if (v_addr < 0x400000) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
262 value = cart[v_addr/2];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
263 } else if(v_addr > 0xE00000) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
264 value = ram[(v_addr & 0xFFFF)/2];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
265 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
266 if (v_addr & 1) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
267 value &= 0xFF;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
268 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
269 value >>= 8;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
270 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
271 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
272 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
273 break;
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 printf(format, param, value);
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
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
278 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
279 {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
280 static char last_cmd[1024];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
281 char input_buf[1024];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
282 static uint16_t branch_t;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
283 static uint16_t branch_f;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
284 z80inst inst;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
285 //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
286 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
287 if (*this_bp) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
288 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
289 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
290 zremove_breakpoint(context, address);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
291 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
292 uint8_t * pc;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
293 if (address < 0x4000) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
294 pc = z80_ram + (address & 0x1FFF);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
295 } else if (address >= 0x8000) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
296 if (context->bank_reg < (0x400000 >> 15)) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
297 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
298 exit(1);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
299 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
300 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
301 exit(1);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
302 }
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 at address %X\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 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
308 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
309 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
310 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
311 z80_disasm(&inst, input_buf, address);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
312 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
313 uint16_t after = address + (after_pc-pc);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
314 int debugging = 1;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
315 while(debugging) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
316 fputs(">", stdout);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
317 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
318 fputs("fgets failed", stderr);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
319 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
320 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
321 strip_nl(input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
322 //hitting enter repeats last command
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
323 if (input_buf[0]) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
324 strcpy(last_cmd, input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
325 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
326 strcpy(input_buf, last_cmd);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
327 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
328 char * param;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
329 char format[8];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
330 uint32_t value;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
331 bp_def * new_bp;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
332 switch(input_buf[0])
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
333 {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
334 case 'a':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
335 param = find_param(input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
336 if (!param) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
337 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
338 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
339 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
340 value = strtol(param, NULL, 16);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
341 zinsert_breakpoint(context, value, (uint8_t *)zdebugger);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
342 debugging = 0;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
343 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
344 case 'b':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
345 param = find_param(input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
346 if (!param) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
347 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
348 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
349 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
350 value = strtol(param, NULL, 16);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
351 zinsert_breakpoint(context, value, (uint8_t *)zdebugger);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
352 new_bp = malloc(sizeof(bp_def));
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
353 new_bp->next = zbreakpoints;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
354 new_bp->address = value;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
355 new_bp->index = zbp_index++;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
356 zbreakpoints = new_bp;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
357 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
358 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
359 case 'c':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
360 puts("Continuing");
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
361 debugging = 0;
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 'd':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
364 if (input_buf[1] == 'i') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
365 char format_char = 0;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
366 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
367 if (input_buf[i] == '/') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
368 format_char = input_buf[i+1];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
369 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
370 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
371 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
372 param = find_param(input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
373 if (!param) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
374 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
375 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
376 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
377 zdebugger_print(context, format_char, param);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
378 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
379 } 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
380 param = find_param(input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
381 if (!param) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
382 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
383 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
384 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
385 if (param[0] >= '0' && param[0] <= '9') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
386 value = atoi(param);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
387 this_bp = find_breakpoint_idx(&zbreakpoints, value);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
388 if (!*this_bp) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
389 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
390 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
391 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
392 new_bp = *this_bp;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
393 zremove_breakpoint(context, new_bp->address);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
394 *this_bp = new_bp->next;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
395 free(new_bp);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
396 } else if (param[0] == 'd') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
397 param = find_param(param);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
398 if (!param) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
399 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
400 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
401 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
402 remove_display(&zdisplays, atoi(param));
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
403 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
404 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
405 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
406 case 'n':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
407 //TODO: Handle conditional branch instructions
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
408 if (inst.op == Z80_JP) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
409 if (inst.addr_mode == Z80_IMMED) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
410 after = inst.immed;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
411 } else if (inst.ea_reg == Z80_HL) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
412 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
413 } else if (inst.ea_reg == Z80_IX) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
414 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
415 } else if (inst.ea_reg == Z80_IY) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
416 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
417 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
418 } else if(inst.op == Z80_JR) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
419 after += inst.immed;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
420 } else if(inst.op == Z80_RET) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
421 if (context->sp < 0x4000) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
422 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
423 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
424 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
425 zinsert_breakpoint(context, after, (uint8_t *)zdebugger);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
426 debugging = 0;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
427 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
428 case 'p':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
429 param = find_param(input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
430 if (!param) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
431 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
432 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
433 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
434 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
435 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
436 case 'q':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
437 puts("Quitting");
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
438 exit(0);
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 's': {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
441 param = find_param(input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
442 if (!param) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
443 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
444 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
445 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
446 FILE * f = fopen(param, "wb");
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
447 if (f) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
448 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
449 fputs("Error writing file\n", stderr);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
450 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
451 fclose(f);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
452 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
453 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
454 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
455 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
456 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
457 default:
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
458 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
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 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
462 return context;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
463 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
464
548
a3afee2271ce Initial work on the x86-32 target
Michael Pavone <pavone@retrodev.com>
parents: 525
diff changeset
465 #endif
a3afee2271ce Initial work on the x86-32 target
Michael Pavone <pavone@retrodev.com>
parents: 525
diff changeset
466
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
467 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
468 {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
469 static char last_cmd[1024];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
470 char input_buf[1024];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
471 static uint32_t branch_t;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
472 static uint32_t branch_f;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
473 m68kinst inst;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
474 //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
475 address &= 0xFFFFFF;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
476 if (address == branch_t) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
477 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
478 if (!*f_bp) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
479 remove_breakpoint(context, branch_f);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
480 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
481 branch_t = branch_f = 0;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
482 } else if(address == branch_f) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
483 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
484 if (!*t_bp) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
485 remove_breakpoint(context, branch_t);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
486 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
487 branch_t = branch_f = 0;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
488 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
489 //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
490 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
491 if (*this_bp) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
492 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
493 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
494 remove_breakpoint(context, address);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
495 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
496 uint16_t * pc;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
497 if (address < 0x400000) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
498 pc = cart + address/2;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
499 } else if(address > 0xE00000) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
500 pc = ram + (address & 0xFFFF)/2;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
501 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
502 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
503 exit(1);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
504 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
505 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
506 m68k_disasm(&inst, input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
507 printf("%X: %s\n", address, input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
508 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
509 int debugging = 1;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
510 while (debugging) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
511 fputs(">", stdout);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
512 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
513 fputs("fgets failed", stderr);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
514 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
515 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
516 strip_nl(input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
517 //hitting enter repeats last command
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
518 if (input_buf[0]) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
519 strcpy(last_cmd, input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
520 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
521 strcpy(input_buf, last_cmd);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
522 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
523 char * param;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
524 char format[8];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
525 uint32_t value;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
526 bp_def * new_bp;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
527 switch(input_buf[0])
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
528 {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
529 case 'c':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
530 puts("Continuing");
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
531 debugging = 0;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
532 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
533 case 'b':
566
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
534 if (input_buf[1] == 't') {
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
535 uint32_t stack = context->aregs[7];
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
536 if (stack >= 0xE00000) {
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
537 stack &= 0xFFFF;
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
538 uint8_t non_adr_count = 0;
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
539 do {
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
540 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
541 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
542 if (bt_address) {
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
543 stack += 4;
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
544 non_adr_count = 0;
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
545 uint16_t *bt_pc = NULL;
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
546 if (bt_address < 0x400000) {
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
547 bt_pc = cart + bt_address/2;
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
548 } else if(bt_address > 0xE00000) {
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
549 bt_pc = ram + (bt_address & 0xFFFF)/2;
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
550 }
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
551 m68k_decode(bt_pc, &inst, bt_address);
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
552 m68k_disasm(&inst, input_buf);
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
553 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
554 } else {
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
555 //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
556 stack += 2;
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
557 non_adr_count++;
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
558 }
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
559 stack &= 0xFFFF;
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
560 } while (stack && non_adr_count < 6);
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
561 }
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
562 } else {
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
563 param = find_param(input_buf);
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
564 if (!param) {
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
565 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
566 break;
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
567 }
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
568 value = strtol(param, NULL, 16);
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
569 insert_breakpoint(context, value, (uint8_t *)debugger);
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
570 new_bp = malloc(sizeof(bp_def));
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
571 new_bp->next = breakpoints;
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
572 new_bp->address = value;
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
573 new_bp->index = bp_index++;
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
574 breakpoints = new_bp;
624dd5106060 Add backtrace (bt) command to 68K debugger
Michael Pavone <pavone@retrodev.com>
parents: 565
diff changeset
575 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
576 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
577 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
578 case 'a':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
579 param = find_param(input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
580 if (!param) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
581 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
582 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
583 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
584 value = strtol(param, NULL, 16);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
585 insert_breakpoint(context, value, (uint8_t *)debugger);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
586 debugging = 0;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
587 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
588 case 'd':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
589 param = find_param(input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
590 if (!param) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
591 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
592 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
593 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
594 value = atoi(param);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
595 this_bp = find_breakpoint_idx(&breakpoints, value);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
596 if (!*this_bp) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
597 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
598 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
599 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
600 new_bp = *this_bp;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
601 *this_bp = (*this_bp)->next;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
602 free(new_bp);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
603 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
604 case 'p':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
605 strcpy(format, "%s: %d\n");
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
606 if (input_buf[1] == '/') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
607 switch (input_buf[2])
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
608 {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
609 case 'x':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
610 case 'X':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
611 case 'd':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
612 case 'c':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
613 format[5] = input_buf[2];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
614 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
615 default:
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
616 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
617 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
618 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
619 param = find_param(input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
620 if (!param) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
621 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
622 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
623 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
624 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
625 value = context->dregs[param[1]-'0'];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
626 } 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
627 value = context->aregs[param[1]-'0'];
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
628 } 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
629 value = (context->status << 8);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
630 for (int flag = 0; flag < 5; flag++) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
631 value |= context->flags[flag] << (4-flag);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
632 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
633 } else if(param[0] == 'c') {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
634 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
635 } 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
636 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
637 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
638 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
639 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
640 } 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
641 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
642 }
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
643 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
644 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
645 break;
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 printf(format, param, value);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
648 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
649 case 'n':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
650 if (inst.op == M68K_RTS) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
651 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
652 } 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
653 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
654 } else if(m68k_is_noncall_branch(&inst)) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
655 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
656 branch_f = after;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
657 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
658 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
659 } else if(inst.op == M68K_DBCC) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
660 if ( inst.extra.cond == COND_FALSE) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
661 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
662 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
663 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
664 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
665 branch_t = after;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
666 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
667 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
668 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
669 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
670 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
671 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
672 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
673 insert_breakpoint(context, after, (uint8_t *)debugger);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
674 debugging = 0;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
675 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
676 case 'o':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
677 if (inst.op == M68K_RTS) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
678 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
679 } 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
680 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
681 } else if(m68k_is_noncall_branch(&inst)) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
682 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
683 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
684 if (branch_t < after) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
685 branch_t = 0;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
686 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
687 branch_f = after;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
688 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
689 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
690 } else if(inst.op == M68K_DBCC) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
691 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
692 if (target > after) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
693 if (inst.extra.cond == COND_FALSE) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
694 after = target;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
695 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
696 branch_f = target;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
697 branch_t = after;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
698 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
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 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
702 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
703 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
704 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
705 insert_breakpoint(context, after, (uint8_t *)debugger);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
706 debugging = 0;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
707 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
708 case 's':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
709 if (inst.op == M68K_RTS) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
710 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
711 } 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
712 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
713 } else if(m68k_is_branch(&inst)) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
714 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
715 branch_f = after;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
716 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
717 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
718 } 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
719 branch_t = after;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
720 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
721 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
722 } else {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
723 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
724 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
725 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
726 insert_breakpoint(context, after, (uint8_t *)debugger);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
727 debugging = 0;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
728 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
729 case 'v': {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
730 genesis_context * gen = context->system;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
731 //VDP debug commands
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
732 switch(input_buf[1])
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
733 {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
734 case 's':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
735 vdp_print_sprite_table(gen->vdp);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
736 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
737 case 'r':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
738 vdp_print_reg_explain(gen->vdp);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
739 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
740 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
741 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
742 }
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
743 #ifndef NO_Z80
524
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
744 case 'z': {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
745 genesis_context * gen = context->system;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
746 //Z80 debug commands
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
747 switch(input_buf[1])
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
748 {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
749 case 'b':
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
750 param = find_param(input_buf);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
751 if (!param) {
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
752 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
753 break;
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
754 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
755 value = strtol(param, NULL, 16);
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
756 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
757 new_bp = malloc(sizeof(bp_def));
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parents:
diff changeset
758 new_bp->next = zbreakpoints;
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parents:
diff changeset
759 new_bp->address = value;
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parents:
diff changeset
760 new_bp->index = zbp_index++;
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parents:
diff changeset
761 zbreakpoints = new_bp;
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parents:
diff changeset
762 printf("Z80 Breakpoint %d set at %X\n", new_bp->index, value);
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parents:
diff changeset
763 break;
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parents:
diff changeset
764 case 'p':
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Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
765 param = find_param(input_buf);
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parents:
diff changeset
766 if (!param) {
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parents:
diff changeset
767 fputs("zp command requires a parameter\n", stderr);
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parents:
diff changeset
768 break;
fb39534b6604 Move debugging code outside of main source file
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parents:
diff changeset
769 }
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diff changeset
770 zdebugger_print(gen->z80, input_buf[2] == '/' ? input_buf[3] : 0, param);
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parents:
diff changeset
771 }
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parents:
diff changeset
772 break;
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parents:
diff changeset
773 }
548
a3afee2271ce Initial work on the x86-32 target
Michael Pavone <pavone@retrodev.com>
parents: 525
diff changeset
774 #endif
524
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parents:
diff changeset
775 case 'q':
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parents:
diff changeset
776 puts("Quitting");
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parents:
diff changeset
777 exit(0);
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parents:
diff changeset
778 break;
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Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
779 default:
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Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
780 fprintf(stderr, "Unrecognized debugger command %s\n", input_buf);
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Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
781 break;
fb39534b6604 Move debugging code outside of main source file
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parents:
diff changeset
782 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
783 }
fb39534b6604 Move debugging code outside of main source file
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
784 return context;
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parents:
diff changeset
785 }