diff options
Diffstat (limited to 'psg.c')
| -rw-r--r-- | psg.c | 32 |
1 files changed, 32 insertions, 0 deletions
@@ -151,3 +151,35 @@ void psg_run(psg_context * context, uint32_t cycles) } } +void psg_serialize(psg_context *context, serialize_buffer *buf) +{ + save_int16(buf, context->lsfr); + save_buffer16(buf, context->counter_load, 4); + save_buffer16(buf, context->counters, 4); + save_buffer8(buf, context->volume, 4); + uint8_t output_state = context->output_state[0] << 3 | context->output_state[1] << 2 + | context->output_state[2] << 1 | context->output_state[3] + | context->noise_use_tone << 4; + save_int8(buf, output_state); + save_int8(buf, context->noise_type); + save_int8(buf, context->latch); + save_int32(buf, context->cycles); +} + +void psg_deserialize(deserialize_buffer *buf, void *vcontext) +{ + psg_context *context = vcontext; + context->lsfr = load_int16(buf); + load_buffer16(buf, context->counter_load, 4); + load_buffer16(buf, context->counters, 4); + load_buffer8(buf, context->volume, 4); + uint8_t output_state = load_int8(buf); + context->output_state[0] = output_state & 8 >> 3; + context->output_state[1] = output_state & 4 >> 2; + context->output_state[2] = output_state & 2 >> 1; + context->output_state[3] = output_state & 1; + context->noise_use_tone = output_state & 0x10 >> 4; + context->noise_type = load_int8(buf); + context->latch = load_int8(buf); + context->cycles = load_int32(buf); +} |