mirror of https://github.com/bsnes-emu/bsnes.git
36 lines
714 B
C++
36 lines
714 B
C++
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#ifdef DSP_CPP
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void DSP::misc_27() {
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state.t_pmon = REG(pmon) & ~1; //voice 0 doesn't support PMON
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}
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void DSP::misc_28() {
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state.t_non = REG(non);
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state.t_eon = REG(eon);
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state.t_dir = REG(dir);
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}
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void DSP::misc_29() {
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state.every_other_sample ^= 1;
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if(state.every_other_sample) {
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state.new_kon &= ~state.kon; //clears KON 63 clocks after it was last read
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}
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}
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void DSP::misc_30() {
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if(state.every_other_sample) {
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state.kon = state.new_kon;
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state.t_koff = REG(koff);
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}
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counter_tick();
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//noise
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if(counter_poll(REG(flg) & 0x1f) == true) {
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int feedback = (state.noise << 13) ^ (state.noise << 14);
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state.noise = (feedback & 0x4000) ^ (state.noise >> 1);
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}
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}
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#endif
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