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audio: improve cycle accuracy of SN76496+YM2612

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This commit is contained in:
kub 2020-04-22 20:41:51 +02:00
parent 6432fb18ba
commit 09b96f9940
4 changed files with 32 additions and 56 deletions
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12
pico/pico_int.h
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@ -436,12 +436,12 @@ struct PicoSound
short len_use; // adjusted
int len_e_add; // for non-int samples/frame
int len_e_cnt;
int dac_val, dac_val2; // last DAC sample
unsigned int dac_mult; // z80 clocks per line in Q16
unsigned int dac_pos; // last DAC position in Q16
short psg_line;
unsigned int fm_mult; // samples per line in Q16
unsigned int fm_pos; // last FM position in Q16
unsigned int clkl_mult; // z80 clocks per line in Q20
unsigned int smpl_mult; // samples per line in Q16
short dac_val, dac_val2; // last DAC sample
unsigned int dac_pos; // last DAC position in Q20
unsigned int fm_pos; // last FM position in Q20
unsigned int psg_pos; // last PSG position in Q16
};
// run tools/mkoffsets pico/pico_int_offs.h if you change these