diff options
Diffstat (limited to 'ym2612.c')
| -rw-r--r-- | ym2612.c | 114 |
1 files changed, 114 insertions, 0 deletions
@@ -1058,3 +1058,117 @@ void ym_print_timer_info(ym2612_context *context) context->timer_control & BIT_TIMERB_ENABLE ? "yes" : "no"); } +void ym_serialize(ym2612_context *context, serialize_buffer *buf) +{ + save_buffer8(buf, context->part1_regs, YM_PART1_REGS); + save_buffer8(buf, context->part2_regs, YM_PART2_REGS); + for (int i = 0; i < NUM_OPERATORS; i++) + { + save_int32(buf, context->operators[i].phase_counter); + save_int16(buf, context->operators[i].envelope); + save_int16(buf, context->operators[i].output); + save_int8(buf, context->operators[i].env_phase); + save_int8(buf, context->operators[i].inverted); + } + for (int i = 0; i < NUM_CHANNELS; i++) + { + save_int16(buf, context->channels[i].output); + save_int16(buf, context->channels[i].op1_old); + //Due to the latching behavior, these need to be saved + //even though duplicate info is probably in the regs array + save_int8(buf, context->channels[i].block); + save_int8(buf, context->channels[i].fnum); + } + for (int i = 0; i < 3; i++) + { + //Due to the latching behavior, these need to be saved + //even though duplicate info is probably in the regs array + save_int8(buf, context->ch3_supp[i].block); + save_int8(buf, context->ch3_supp[i].fnum); + } + save_int16(buf, context->timer_a); + save_int8(buf, context->timer_b); + save_int8(buf, context->sub_timer_b); + save_int16(buf, context->env_counter); + save_int8(buf, context->current_op); + save_int8(buf, context->current_env_op); + save_int8(buf, context->lfo_counter); + save_int8(buf, context->csm_keyon); + save_int8(buf, context->status); + save_int8(buf, context->selected_reg); + save_int8(buf, context->selected_part); + save_int32(buf, context->current_cycle); + save_int32(buf, context->write_cycle); + save_int32(buf, context->busy_cycles); +} + +void ym_deserialize(deserialize_buffer *buf, void *vcontext) +{ + ym2612_context *context = vcontext; + uint8_t temp_regs[YM_PART1_REGS]; + load_buffer8(buf, temp_regs, YM_PART1_REGS); + context->selected_part = 0; + for (int i = 0; i < YM_PART1_REGS; i++) + { + uint8_t reg = YM_PART1_START + i; + if (reg != REG_FNUM_LOW && reg != REG_KEY_ONOFF && reg != REG_TIME_CTRL) { + context->selected_reg = reg; + ym_data_write(context, temp_regs[i]); + } + } + load_buffer8(buf, temp_regs, YM_PART2_REGS); + context->selected_part = 1; + for (int i = 0; i < YM_PART2_REGS; i++) + { + uint8_t reg = YM_PART2_START + i; + if (reg != REG_FNUM_LOW) { + context->selected_reg = reg; + ym_data_write(context, temp_regs[i]); + } + } + for (int i = 0; i < NUM_OPERATORS; i++) + { + context->operators[i].phase_counter = load_int32(buf); + context->operators[i].envelope = load_int16(buf); + context->operators[i].output = load_int16(buf); + context->operators[i].env_phase = load_int8(buf); + if (context->operators[i].env_phase > PHASE_RELEASE) { + context->operators[i].env_phase = PHASE_RELEASE; + } + context->operators[i].inverted = load_int8(buf) != 0; + } + for (int i = 0; i < NUM_CHANNELS; i++) + { + context->channels[i].output = load_int16(buf); + context->channels[i].op1_old = load_int16(buf); + context->channels[i].block = load_int8(buf); + context->channels[i].fnum = load_int8(buf); + context->channels[i].keycode = context->channels[i].block << 2 | fnum_to_keycode[context->channels[i].fnum >> 7]; + } + for (int i = 0; i < 3; i++) + { + context->ch3_supp[i].block = load_int8(buf); + context->ch3_supp[i].fnum = load_int8(buf); + context->ch3_supp[i].keycode = context->ch3_supp[i].block << 2 | fnum_to_keycode[context->ch3_supp[i].fnum >> 7]; + } + context->timer_a = load_int16(buf); + context->timer_b = load_int8(buf); + context->sub_timer_b = load_int8(buf); + context->env_counter = load_int16(buf); + context->current_op = load_int8(buf); + if (context->current_op >= NUM_OPERATORS) { + context->current_op = 0; + } + context->current_env_op = load_int8(buf); + if (context->current_env_op >= NUM_OPERATORS) { + context->current_env_op = 0; + } + context->lfo_counter = load_int8(buf); + context->csm_keyon = load_int8(buf); + context->status = load_int8(buf); + context->selected_reg = load_int8(buf); + context->selected_part = load_int8(buf); + context->current_cycle = load_int32(buf); + context->write_cycle = load_int32(buf); + context->busy_cycles = load_int32(buf); +} |