diff options
Diffstat (limited to 'ym2612.c')
| -rw-r--r-- | ym2612.c | 32 |
1 files changed, 16 insertions, 16 deletions
@@ -39,7 +39,7 @@ #define BIT_STATUS_TIMERA 0x1 #define BIT_STATUS_TIMERB 0x2 -uint32_t ym_calc_phase_inc(ym2612_context * context, ym_operator * operator, uint32_t op); +static uint32_t ym_calc_phase_inc(ym2612_context * context, ym_operator * operator, uint32_t op); enum { PHASE_ATTACK, @@ -53,14 +53,14 @@ uint8_t did_tbl_init = 0; //memory is cheap so using a half sine table will probably save some cycles //a full sine table would be nice, but negative numbers don't get along with log2 #define SINE_TABLE_SIZE 512 -uint16_t sine_table[SINE_TABLE_SIZE]; +static uint16_t sine_table[SINE_TABLE_SIZE]; //Similar deal here with the power table for log -> linear conversion //According to Nemesis, real hardware only uses a 256 entry table for the fractional part //and uses the whole part as a shift amount. #define POW_TABLE_SIZE (1 << 13) -uint16_t pow_table[POW_TABLE_SIZE]; +static uint16_t pow_table[POW_TABLE_SIZE]; -uint16_t rate_table_base[] = { +static uint16_t rate_table_base[] = { //main portion 0,1,0,1,0,1,0,1, 0,1,0,1,1,1,0,1, @@ -73,10 +73,10 @@ uint16_t rate_table_base[] = { 1,2,2,2,1,2,2,2, }; -uint16_t rate_table[64*8]; +static uint16_t rate_table[64*8]; -uint8_t lfo_timer_values[] = {108, 77, 71, 67, 62, 44, 8, 5}; -uint8_t lfo_pm_base[][8] = { +static uint8_t lfo_timer_values[] = {108, 77, 71, 67, 62, 44, 8, 5}; +static uint8_t lfo_pm_base[][8] = { {0, 0, 0, 0, 0, 0, 0, 0}, {0, 0, 0, 0, 4, 4, 4, 4}, {0, 0, 0, 4, 4, 4, 8, 8}, @@ -86,7 +86,7 @@ uint8_t lfo_pm_base[][8] = { {0, 0,0x10,0x18,0x20,0x20,0x28,0x30}, {0, 0,0x20,0x30,0x40,0x40,0x50,0x60} }; -int16_t lfo_pm_table[128 * 32 * 8]; +static int16_t lfo_pm_table[128 * 32 * 8]; int16_t ams_shift[] = {8, 1, -1, -2}; @@ -94,17 +94,17 @@ int16_t ams_shift[] = {8, 1, -1, -2}; #define YM_DIVIDER 2 #define CYCLE_NEVER 0xFFFFFFFF -uint16_t round_fixed_point(double value, int dec_bits) +static uint16_t round_fixed_point(double value, int dec_bits) { return value * (1 << dec_bits) + 0.5; } -FILE * debug_file = NULL; -uint32_t first_key_on=0; +static FILE * debug_file = NULL; +static uint32_t first_key_on=0; -ym2612_context * log_context = NULL; +static ym2612_context * log_context = NULL; -void ym_finalize_log() +static void ym_finalize_log() { if (!log_context) { return; @@ -564,7 +564,7 @@ void ym_address_write_part2(ym2612_context * context, uint8_t address) context->status |= 0x80; } -uint8_t fnum_to_keycode[] = { +static uint8_t fnum_to_keycode[] = { //F11 = 0 0,0,0,0,0,0,0,1, //F11 = 1 @@ -572,7 +572,7 @@ uint8_t fnum_to_keycode[] = { }; //table courtesy of Nemesis -uint32_t detune_table[][4] = { +static uint32_t detune_table[][4] = { {0, 0, 1, 2}, //0 (0x00) {0, 0, 1, 2}, //1 (0x01) {0, 0, 1, 2}, //2 (0x02) @@ -607,7 +607,7 @@ uint32_t detune_table[][4] = { {0, 8,16,22} }; //31 (0x1F) -uint32_t ym_calc_phase_inc(ym2612_context * context, ym_operator * operator, uint32_t op) +static uint32_t ym_calc_phase_inc(ym2612_context * context, ym_operator * operator, uint32_t op) { uint32_t chan_num = op / 4; //printf("ym_update_phase_inc | channel: %d, op: %d\n", chan_num, op); |