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comparison ym2612.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 a094815b1168
comparison
equal deleted inserted replaced
1426:957325c990d5 1427:4e5797b3935a
1056 context->timer_b_load, 1056 context->timer_b_load,
1057 context->status & BIT_STATUS_TIMERB ? "yes" : "no", 1057 context->status & BIT_STATUS_TIMERB ? "yes" : "no",
1058 context->timer_control & BIT_TIMERB_ENABLE ? "yes" : "no"); 1058 context->timer_control & BIT_TIMERB_ENABLE ? "yes" : "no");
1059 } 1059 }
1060 1060
1061 void ym_serialize(ym2612_context *context, serialize_buffer *buf)
1062 {
1063 save_buffer8(buf, context->part1_regs, YM_PART1_REGS);
1064 save_buffer8(buf, context->part2_regs, YM_PART2_REGS);
1065 for (int i = 0; i < NUM_OPERATORS; i++)
1066 {
1067 save_int32(buf, context->operators[i].phase_counter);
1068 save_int16(buf, context->operators[i].envelope);
1069 save_int16(buf, context->operators[i].output);
1070 save_int8(buf, context->operators[i].env_phase);
1071 save_int8(buf, context->operators[i].inverted);
1072 }
1073 for (int i = 0; i < NUM_CHANNELS; i++)
1074 {
1075 save_int16(buf, context->channels[i].output);
1076 save_int16(buf, context->channels[i].op1_old);
1077 //Due to the latching behavior, these need to be saved
1078 //even though duplicate info is probably in the regs array
1079 save_int8(buf, context->channels[i].block);
1080 save_int8(buf, context->channels[i].fnum);
1081 }
1082 for (int i = 0; i < 3; i++)
1083 {
1084 //Due to the latching behavior, these need to be saved
1085 //even though duplicate info is probably in the regs array
1086 save_int8(buf, context->ch3_supp[i].block);
1087 save_int8(buf, context->ch3_supp[i].fnum);
1088 }
1089 save_int16(buf, context->timer_a);
1090 save_int8(buf, context->timer_b);
1091 save_int8(buf, context->sub_timer_b);
1092 save_int16(buf, context->env_counter);
1093 save_int8(buf, context->current_op);
1094 save_int8(buf, context->current_env_op);
1095 save_int8(buf, context->lfo_counter);
1096 save_int8(buf, context->csm_keyon);
1097 save_int8(buf, context->status);
1098 save_int8(buf, context->selected_reg);
1099 save_int8(buf, context->selected_part);
1100 save_int32(buf, context->current_cycle);
1101 save_int32(buf, context->write_cycle);
1102 save_int32(buf, context->busy_cycles);
1103 }
1104
1105 void ym_deserialize(deserialize_buffer *buf, void *vcontext)
1106 {
1107 ym2612_context *context = vcontext;
1108 uint8_t temp_regs[YM_PART1_REGS];
1109 load_buffer8(buf, temp_regs, YM_PART1_REGS);
1110 context->selected_part = 0;
1111 for (int i = 0; i < YM_PART1_REGS; i++)
1112 {
1113 uint8_t reg = YM_PART1_START + i;
1114 if (reg != REG_FNUM_LOW && reg != REG_KEY_ONOFF && reg != REG_TIME_CTRL) {
1115 context->selected_reg = reg;
1116 ym_data_write(context, temp_regs[i]);
1117 }
1118 }
1119 load_buffer8(buf, temp_regs, YM_PART2_REGS);
1120 context->selected_part = 1;
1121 for (int i = 0; i < YM_PART2_REGS; i++)
1122 {
1123 uint8_t reg = YM_PART2_START + i;
1124 if (reg != REG_FNUM_LOW) {
1125 context->selected_reg = reg;
1126 ym_data_write(context, temp_regs[i]);
1127 }
1128 }
1129 for (int i = 0; i < NUM_OPERATORS; i++)
1130 {
1131 context->operators[i].phase_counter = load_int32(buf);
1132 context->operators[i].envelope = load_int16(buf);
1133 context->operators[i].output = load_int16(buf);
1134 context->operators[i].env_phase = load_int8(buf);
1135 if (context->operators[i].env_phase > PHASE_RELEASE) {
1136 context->operators[i].env_phase = PHASE_RELEASE;
1137 }
1138 context->operators[i].inverted = load_int8(buf) != 0;
1139 }
1140 for (int i = 0; i < NUM_CHANNELS; i++)
1141 {
1142 context->channels[i].output = load_int16(buf);
1143 context->channels[i].op1_old = load_int16(buf);
1144 context->channels[i].block = load_int8(buf);
1145 context->channels[i].fnum = load_int8(buf);
1146 context->channels[i].keycode = context->channels[i].block << 2 | fnum_to_keycode[context->channels[i].fnum >> 7];
1147 }
1148 for (int i = 0; i < 3; i++)
1149 {
1150 context->ch3_supp[i].block = load_int8(buf);
1151 context->ch3_supp[i].fnum = load_int8(buf);
1152 context->ch3_supp[i].keycode = context->ch3_supp[i].block << 2 | fnum_to_keycode[context->ch3_supp[i].fnum >> 7];
1153 }
1154 context->timer_a = load_int16(buf);
1155 context->timer_b = load_int8(buf);
1156 context->sub_timer_b = load_int8(buf);
1157 context->env_counter = load_int16(buf);
1158 context->current_op = load_int8(buf);
1159 if (context->current_op >= NUM_OPERATORS) {
1160 context->current_op = 0;
1161 }
1162 context->current_env_op = load_int8(buf);
1163 if (context->current_env_op >= NUM_OPERATORS) {
1164 context->current_env_op = 0;
1165 }
1166 context->lfo_counter = load_int8(buf);
1167 context->csm_keyon = load_int8(buf);
1168 context->status = load_int8(buf);
1169 context->selected_reg = load_int8(buf);
1170 context->selected_part = load_int8(buf);
1171 context->current_cycle = load_int32(buf);
1172 context->write_cycle = load_int32(buf);
1173 context->busy_cycles = load_int32(buf);
1174 }