#ifdef SUPERFX_CPP auto SuperFX::step(unsigned clocks) -> void { if(regs.romcl) { regs.romcl -= min(clocks, regs.romcl); if(regs.romcl == 0) { regs.sfr.r = 0; regs.romdr = bus_read((regs.rombr << 16) + regs.r[14]); } } if(regs.ramcl) { regs.ramcl -= min(clocks, regs.ramcl); if(regs.ramcl == 0) { bus_write(0x700000 + (regs.rambr << 16) + regs.ramar, regs.ramdr); } } Coprocessor::step(clocks); synchronize_cpu(); } auto SuperFX::rombuffer_sync() -> void { if(regs.romcl) step(regs.romcl); } auto SuperFX::rombuffer_update() -> void { regs.sfr.r = 1; regs.romcl = memory_access_speed(); } auto SuperFX::rombuffer_read() -> uint8 { rombuffer_sync(); return regs.romdr; } auto SuperFX::rambuffer_sync() -> void { if(regs.ramcl) step(regs.ramcl); } auto SuperFX::rambuffer_read(uint16 addr) -> uint8 { rambuffer_sync(); return bus_read(0x700000 + (regs.rambr << 16) + addr); } auto SuperFX::rambuffer_write(uint16 addr, uint8 data) -> void { rambuffer_sync(); regs.ramcl = memory_access_speed(); regs.ramar = addr; regs.ramdr = data; } auto SuperFX::r14_modify(uint16 data) -> void { regs.r[14].data = data; rombuffer_update(); } auto SuperFX::r15_modify(uint16 data) -> void { regs.r[15].data = data; r15_modified = true; } auto SuperFX::timing_reset() -> void { r15_modified = false; regs.romcl = 0; regs.romdr = 0; regs.ramcl = 0; regs.ramar = 0; regs.ramdr = 0; } #endif