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annotate serialize.c @ 1987:71732f2f6f42

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Fix handling of unmapped reads/writes to the cart/expansion port region
author Mike Pavone <pavone@retrodev.com>
date Mon, 01 Jun 2020 23:59:59 -0700
parents c3c62dbf1ceb
children
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1 #include <string.h>
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2 #include <stdlib.h>
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3 #include <stdio.h>
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4 #include "serialize.h"
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5 #include "util.h"
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6
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7 #ifndef SERIALIZE_DEFAULT_SIZE
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8 #define SERIALIZE_DEFAULT_SIZE (256*1024) //default to enough for a Genesis save state
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9 #endif
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10
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11
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12 void init_serialize(serialize_buffer *buf)
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13 {
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14 buf->storage = SERIALIZE_DEFAULT_SIZE;
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15 buf->size = 0;
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16 buf->current_section_start = 0;
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17 buf->data = malloc(SERIALIZE_DEFAULT_SIZE);
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18 }
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19
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20 static void reserve(serialize_buffer *buf, size_t amount)
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21 {
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22 if (amount > (buf->storage - buf->size)) {
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23 if (amount < buf->storage) {
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24 buf->storage *= 2;
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25 } else {
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26 //doublign isn't enough, increase by the precise amount needed
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27 buf->storage += amount - (buf->storage - buf->size);
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28 }
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29 buf->data = realloc(buf->data, buf->storage + sizeof(*buf));
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30 }
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31 }
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32
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33 void save_int32(serialize_buffer *buf, uint32_t val)
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34 {
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35 reserve(buf, sizeof(val));
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36 buf->data[buf->size++] = val >> 24;
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37 buf->data[buf->size++] = val >> 16;
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38 buf->data[buf->size++] = val >> 8;
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39 buf->data[buf->size++] = val;
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40 }
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41
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42 void save_int16(serialize_buffer *buf, uint16_t val)
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43 {
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44 reserve(buf, sizeof(val));
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45 buf->data[buf->size++] = val >> 8;
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46 buf->data[buf->size++] = val;
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47 }
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48
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49 void save_int8(serialize_buffer *buf, uint8_t val)
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50 {
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51 reserve(buf, sizeof(val));
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52 buf->data[buf->size++] = val;
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53 }
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54
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55 void save_string(serialize_buffer *buf, char *val)
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56 {
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57 size_t len = strlen(val);
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58 save_buffer8(buf, val, len);
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59 }
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60
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61 void save_buffer8(serialize_buffer *buf, void *val, size_t len)
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62 {
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63 reserve(buf, len);
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64 memcpy(&buf->data[buf->size], val, len);
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65 buf->size += len;
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66 }
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67
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68 void save_buffer16(serialize_buffer *buf, uint16_t *val, size_t len)
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69 {
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70 reserve(buf, len * sizeof(*val));
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71 for(; len != 0; len--, val++) {
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72 buf->data[buf->size++] = *val >> 8;
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73 buf->data[buf->size++] = *val;
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74 }
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75 }
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76
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77 void save_buffer32(serialize_buffer *buf, uint32_t *val, size_t len)
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78 {
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79 reserve(buf, len * sizeof(*val));
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80 for(; len != 0; len--, val++) {
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81 buf->data[buf->size++] = *val >> 24;
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82 buf->data[buf->size++] = *val >> 16;
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83 buf->data[buf->size++] = *val >> 8;
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84 buf->data[buf->size++] = *val;
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85 }
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86 }
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87
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88 void start_section(serialize_buffer *buf, uint16_t section_id)
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89 {
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90 save_int16(buf, section_id);
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91 //reserve some space for size once we end this section
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92 reserve(buf, sizeof(uint32_t));
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93 buf->size += sizeof(uint32_t);
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94 //save start point for use in end_device
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95 buf->current_section_start = buf->size;
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96 }
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97
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98 void end_section(serialize_buffer *buf)
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99 {
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100 size_t section_size = buf->size - buf->current_section_start;
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101 if (section_size > 0xFFFFFFFFU) {
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102 fatal_error("Sections larger than 4GB are not supported");
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103 }
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104 uint32_t size = section_size;
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105 uint8_t *field = buf->data + buf->current_section_start - sizeof(uint32_t);
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106 *(field++) = size >> 24;
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107 *(field++) = size >> 16;
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108 *(field++) = size >> 8;
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109 *(field++) = size;
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110 buf->current_section_start = 0;
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111 }
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112
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113 void register_section_handler(deserialize_buffer *buf, section_handler handler, uint16_t section_id)
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114 {
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115 if (section_id > buf->max_handler) {
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116 uint16_t old_max = buf->max_handler;
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117 if (buf->max_handler < 0x8000) {
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118 buf->max_handler *= 2;
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119 } else {
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120 buf->max_handler = 0xFFFF;
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121 }
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122 buf->handlers = realloc(buf->handlers, (buf->max_handler+1) * sizeof(handler));
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123 memset(buf->handlers + old_max + 1, 0, (buf->max_handler - old_max) * sizeof(handler));
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124 }
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125 if (!buf->handlers) {
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126 buf->handlers = calloc(buf->max_handler + 1, sizeof(handler));
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127 }
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128 buf->handlers[section_id] = handler;
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129 }
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130
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131 void init_deserialize(deserialize_buffer *buf, uint8_t *data, size_t size)
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132 {
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133 buf->size = size;
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134 buf->cur_pos = 0;
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135 buf->data = data;
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136 buf->handlers = NULL;
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137 buf->max_handler = 8;
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138 }
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139
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140 uint32_t load_int32(deserialize_buffer *buf)
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141 {
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142 uint32_t val;
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143 if ((buf->size - buf->cur_pos) < sizeof(val)) {
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144 fatal_error("Failed to load required int32 field");
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145 }
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146 val = buf->data[buf->cur_pos++] << 24;
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147 val |= buf->data[buf->cur_pos++] << 16;
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parents:
diff changeset
148 val |= buf->data[buf->cur_pos++] << 8;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
149 val |= buf->data[buf->cur_pos++];
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
150 return val;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
151 }
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
152
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
153 uint16_t load_int16(deserialize_buffer *buf)
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
154 {
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
155 uint16_t val;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
156 if ((buf->size - buf->cur_pos) < sizeof(val)) {
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
157 fatal_error("Failed to load required int16 field");
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
158 }
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
159 val = buf->data[buf->cur_pos++] << 8;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
160 val |= buf->data[buf->cur_pos++];
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
161 return val;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
162 }
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
163
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
164 uint8_t load_int8(deserialize_buffer *buf)
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
165 {
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
166 uint8_t val;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
167 if ((buf->size - buf->cur_pos) < sizeof(val)) {
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
168 fatal_error("Failed to load required int8 field");
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
169 }
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
170 val = buf->data[buf->cur_pos++];
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
171 return val;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
172 }
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
173
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
174 void load_buffer8(deserialize_buffer *buf, void *dst, size_t len)
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
175 {
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
176 if ((buf->size - buf->cur_pos) < len) {
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
177 fatal_error("Failed to load required buffer of size %d", len);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
178 }
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
179 memcpy(dst, buf->data + buf->cur_pos, len);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
180 buf->cur_pos += len;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
181 }
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
182
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
183 void load_buffer16(deserialize_buffer *buf, uint16_t *dst, size_t len)
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
184 {
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
185 if ((buf->size - buf->cur_pos) < len * sizeof(uint16_t)) {
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
186 fatal_error("Failed to load required buffer of size %d\n", len);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
187 }
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
188 for(; len != 0; len--, dst++) {
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
189 uint16_t value = buf->data[buf->cur_pos++] << 8;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
190 value |= buf->data[buf->cur_pos++];
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
191 *dst = value;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
192 }
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
193 }
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
194 void load_buffer32(deserialize_buffer *buf, uint32_t *dst, size_t len)
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
195 {
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
196 if ((buf->size - buf->cur_pos) < len * sizeof(uint32_t)) {
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
197 fatal_error("Failed to load required buffer of size %d\n", len);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
198 }
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
199 for(; len != 0; len--, dst++) {
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
200 uint32_t value = buf->data[buf->cur_pos++] << 24;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
201 value |= buf->data[buf->cur_pos++] << 16;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
202 value |= buf->data[buf->cur_pos++] << 8;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
203 value |= buf->data[buf->cur_pos++];
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
204 *dst = value;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
205 }
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
206 }
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
207
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
208 void load_section(deserialize_buffer *buf)
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
209 {
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
210 if (!buf->handlers) {
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
211 fatal_error("load_section called on a deserialize_buffer with no handlers registered\n");
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
212 }
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
213 uint16_t section_id = load_int16(buf);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
214 uint32_t size = load_int32(buf);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
215 if (size > (buf->size - buf->cur_pos)) {
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
216 fatal_error("Section is bigger than remaining space in file");
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
217 }
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
218 if (section_id > buf->max_handler || !buf->handlers[section_id].fun) {
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
219 warning("No handler for section ID %d, save state may be from a newer version\n", section_id);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
220 buf->cur_pos += size;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
221 return;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
222 }
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
223 deserialize_buffer section;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
224 init_deserialize(&section, buf->data + buf->cur_pos, size);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
225 buf->handlers[section_id].fun(&section, buf->handlers[section_id].data);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
226 buf->cur_pos += size;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
227 }
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
228
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
229 static const char sz_ident[] = "BLSTSZ\x01\x07";
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
230
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
231 uint8_t save_to_file(serialize_buffer *buf, char *path)
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
232 {
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
233 FILE *f = fopen(path, "wb");
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
234 if (!f) {
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
235 return 0;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
236 }
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
237 if (fwrite(sz_ident, 1, sizeof(sz_ident)-1, f) != sizeof(sz_ident)-1) {
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
238 fclose(f);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
239 return 0;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
240 }
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
241 if (fwrite(buf->data, 1, buf->size, f) != buf->size) {
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
242 fclose(f);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
243 return 0;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
244 }
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
245 fclose(f);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
246 return 1;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
247 }
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
248
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
249 uint8_t load_from_file(deserialize_buffer *buf, char *path)
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
250 {
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
251 FILE *f = fopen(path, "rb");
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
252 if (!f) {
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
253 return 0;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
254 }
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
255 char ident[sizeof(sz_ident)-1];
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
256 long size = file_size(f);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
257 if (size < sizeof(ident)) {
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
258 fclose(f);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
259 return 0;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
260 }
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
261 if (fread(ident, 1, sizeof(ident), f) != sizeof(ident)) {
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
262 fclose(f);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
263 return 0;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
264 }
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
265 if (memcmp(ident, sz_ident, sizeof(ident))) {
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
266 return 0;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
267 }
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
268 buf->size = size - sizeof(ident);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
269 buf->cur_pos = 0;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
270 buf->data = malloc(buf->size);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
271 buf->handlers = NULL;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
272 buf->max_handler = 8;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
273 if (fread(buf->data, 1, buf->size, f) != buf->size) {
1428
2540c05520f2 New savestates are working. New config file option for selecting format states will be saved in. Mostly complete, needs a little more work before release
Michael Pavone <pavone@retrodev.com>
parents: 1427
diff changeset
274 fclose(f);
1427
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
275 free(buf->data);
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
276 buf->data = NULL;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
277 buf->size = 0;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
278 return 0;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
279 }
1428
2540c05520f2 New savestates are working. New config file option for selecting format states will be saved in. Mostly complete, needs a little more work before release
Michael Pavone <pavone@retrodev.com>
parents: 1427
diff changeset
280 fclose(f);
1427
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
281 return 1;
4e5797b3935a WIP - New savestate format
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
282 }