Mercurial > repos > blastem
diff ym2612.h @ 483:3e1573fa22cf
Implement turbo/slow motion feature that overclocks or underclocks the entire system at the push of a button
author | Mike Pavone <pavone@retrodev.com> |
---|---|
date | Tue, 01 Oct 2013 23:51:16 -0700 |
parents | 140af5509ce7 |
children | 7df7f493b3b6 |
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--- a/ym2612.h Wed Sep 18 19:10:54 2013 -0700 +++ b/ym2612.h Tue Oct 01 23:51:16 2013 -0700 @@ -1,6 +1,6 @@ /* Copyright 2013 Michael Pavone - This file is part of BlastEm. + This file is part of BlastEm. BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text. */ #ifndef YM2612_H_ @@ -59,10 +59,11 @@ typedef struct { int16_t *audio_buffer; int16_t *back_buffer; - double buffer_fraction; - double buffer_inc; + uint64_t buffer_fraction; + uint64_t buffer_inc; uint32_t clock_inc; uint32_t buffer_pos; + uint32_t sample_rate; uint32_t sample_limit; uint32_t current_cycle; uint32_t write_cycle; @@ -93,6 +94,7 @@ } ym2612_context; void ym_init(ym2612_context * context, uint32_t sample_rate, uint32_t master_clock, uint32_t clock_div, uint32_t sample_limit, uint32_t options); +void ym_adjust_master_clock(ym2612_context * context, uint32_t master_clock); void ym_run(ym2612_context * context, uint32_t to_cycle); void ym_address_write_part1(ym2612_context * context, uint8_t address); void ym_address_write_part2(ym2612_context * context, uint8_t address);