30 lines
629 B
C
30 lines
629 B
C
// Commander X16 Emulator
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// Copyright (c) 2020 Frank van den Hoef
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// All rights reserved. License: 2-clause BSD
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#pragma once
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#include <stdint.h>
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#include <stdbool.h>
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struct VERAChannel {
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uint16_t freq;
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uint8_t volume;
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bool left, right;
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uint8_t pw;
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uint8_t waveform;
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unsigned phase;
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int lastOut;
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uint8_t noiseval;
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};
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struct VERA_PSG {
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unsigned int noiseState, noiseOut;
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struct VERAChannel channels[16];
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};
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void psg_reset(struct VERA_PSG* psg);
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void psg_writereg(struct VERA_PSG* psg, uint8_t reg, uint8_t val);
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void psg_render(struct VERA_PSG* psg, int16_t *bufL, int16_t *bufR, unsigned num_samples);
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