From 1e9fd28a1ee92dce1bd9e6e7cdeb8fed880948d9 Mon Sep 17 00:00:00 2001 From: Michael Pavone Date: Sat, 23 Mar 2019 17:18:10 -0700 Subject: Configurable gain for overall output and individual components --- genesis.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'genesis.c') diff --git a/genesis.c b/genesis.c index 426dac1..5d28c5f 100644 --- a/genesis.c +++ b/genesis.c @@ -1334,10 +1334,20 @@ static void keyboard_up(system_header *system, uint8_t scancode) io_keyboard_up(&gen->io, scancode); } +static void set_gain_config(genesis_context *gen) +{ + char *config_gain; + config_gain = tern_find_path(config, "audio\0psg_gain\0", TVAL_PTR).ptrval; + render_audio_source_gaindb(gen->psg->audio, config_gain ? atof(config_gain) : 0.0f); + config_gain = tern_find_path(config, "audio\0fm_gain\0", TVAL_PTR).ptrval; + render_audio_source_gaindb(gen->ym->audio, config_gain ? atof(config_gain) : 0.0f); +} + static void config_updated(system_header *system) { genesis_context *gen = (genesis_context *)system; setup_io_devices(config, &system->info, &gen->io); + set_gain_config(gen); } genesis_context *alloc_init_genesis(rom_info *rom, void *main_rom, void *lock_on, uint32_t system_opts, uint8_t force_region) @@ -1391,6 +1401,8 @@ genesis_context *alloc_init_genesis(rom_info *rom, void *main_rom, void *lock_on gen->psg = malloc(sizeof(psg_context)); psg_init(gen->psg, gen->master_clock, MCLKS_PER_PSG); + + set_gain_config(gen); z80_map[0].buffer = gen->zram = calloc(1, Z80_RAM_BYTES); #ifndef NO_Z80 -- cgit v1.2.3