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7ff7f64482
byuu says: Fixes SuperFX fmult, lmult timings; rambr, bramr and clsr assignment masking. Implements true GBA ROM prefetch (buggy, lower test score, but runs Mario & Luigi without crashing on battles anymore.)
38 lines
900 B
C++
38 lines
900 B
C++
#include <processor/processor.hpp>
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#include "gsu.hpp"
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//note: multiplication results *may* sometimes be invalid when both CLSR and MS0 are set
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//the product of multiplication in this mode (21mhz + fast-multiply) has not been analyzed;
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//however, the timing of this mode has been confirmed to work as specified below
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namespace Processor {
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#include "instructions.cpp"
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#include "table.cpp"
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#include "serialization.cpp"
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auto GSU::power() -> void {
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}
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auto GSU::reset() -> void {
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for(auto& r : regs.r) r = 0x0000;
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regs.sfr = 0x0000;
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regs.pbr = 0x00;
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regs.rombr = 0x00;
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regs.rambr = 0;
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regs.cbr = 0x0000;
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regs.scbr = 0x00;
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regs.scmr = 0x00;
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regs.colr = 0x00;
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regs.por = 0x00;
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regs.bramr = 0;
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regs.vcr = 0x04;
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regs.cfgr = 0x00;
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regs.clsr = 0;
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regs.pipeline = 0x01; //nop
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regs.ramaddr = 0x0000;
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regs.reset();
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}
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}
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