51 lines
847 B
C++
51 lines
847 B
C++
#include "gui.hpp"
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#include "cpu.hpp"
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#include "apu.hpp"
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namespace APU {
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Nes_Apu apu;
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Blip_Buffer buf;
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const int OUT_SIZE = 4096;
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blip_sample_t outBuf[OUT_SIZE];
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void init()
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{
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buf.sample_rate(44100);
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buf.clock_rate(1789773);
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apu.output(&buf);
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apu.dmc_reader(CPU::dmc_read);
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}
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void reset()
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{
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apu.reset();
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buf.clear();
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}
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template <bool write> u8 access(int elapsed, u16 addr, u8 v)
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{
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if (write)
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apu.write_register(elapsed, addr, v);
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else if (addr == apu.status_addr)
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v = apu.read_status(elapsed);
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return v;
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}
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template u8 access<0>(int, u16, u8); template u8 access<1>(int, u16, u8);
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void run_frame(int elapsed)
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{
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apu.end_frame(elapsed);
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buf.end_frame(elapsed);
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if (buf.samples_avail() >= OUT_SIZE)
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GUI::new_samples(outBuf, buf.read_samples(outBuf, OUT_SIZE));
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}
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}
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