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comparison psg.c @ 1427:4e5797b3935a

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WIP - New savestate format
author Michael Pavone <pavone@retrodev.com>
date Sun, 06 Aug 2017 00:06:36 -0700
parents 4d16c09210fd
children 9c65819afec3
comparison
equal deleted inserted replaced
1426:957325c990d5 1427:4e5797b3935a
149 } 149 }
150 context->cycles += context->clock_inc; 150 context->cycles += context->clock_inc;
151 } 151 }
152 } 152 }
153 153
154 void psg_serialize(psg_context *context, serialize_buffer *buf)
155 {
156 save_int16(buf, context->lsfr);
157 save_buffer16(buf, context->counter_load, 4);
158 save_buffer16(buf, context->counters, 4);
159 save_buffer8(buf, context->volume, 4);
160 uint8_t output_state = context->output_state[0] << 3 | context->output_state[1] << 2
161 | context->output_state[2] << 1 | context->output_state[3]
162 | context->noise_use_tone << 4;
163 save_int8(buf, output_state);
164 save_int8(buf, context->noise_type);
165 save_int8(buf, context->latch);
166 save_int32(buf, context->cycles);
167 }
168
169 void psg_deserialize(deserialize_buffer *buf, void *vcontext)
170 {
171 psg_context *context = vcontext;
172 context->lsfr = load_int16(buf);
173 load_buffer16(buf, context->counter_load, 4);
174 load_buffer16(buf, context->counters, 4);
175 load_buffer8(buf, context->volume, 4);
176 uint8_t output_state = load_int8(buf);
177 context->output_state[0] = output_state & 8 >> 3;
178 context->output_state[1] = output_state & 4 >> 2;
179 context->output_state[2] = output_state & 2 >> 1;
180 context->output_state[3] = output_state & 1;
181 context->noise_use_tone = output_state & 0x10 >> 4;
182 context->noise_type = load_int8(buf);
183 context->latch = load_int8(buf);
184 context->cycles = load_int32(buf);
185 }