mirror of https://github.com/bsnes-emu/bsnes.git
127 lines
2.6 KiB
C++
127 lines
2.6 KiB
C++
#include <sfc/sfc.hpp>
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namespace SuperFamicom {
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Event event;
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auto Event::Enter() -> void {
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while(true) scheduler.synchronize(), event.main();
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}
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auto Event::main() -> void {
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if(scoreActive && scoreSecondsRemaining) {
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if(--scoreSecondsRemaining == 0) {
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scoreActive = false;
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}
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}
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if(timerActive && timerSecondsRemaining) {
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if(--timerSecondsRemaining == 0) {
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timerActive = false;
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status |= 0x02; //time over
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scoreActive = true;
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scoreSecondsRemaining = 5;
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}
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}
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step(1);
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synchronizeCPU();
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}
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auto Event::init() -> void {
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}
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auto Event::load() -> void {
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}
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auto Event::unload() -> void {
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rom[0].reset();
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rom[1].reset();
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rom[2].reset();
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rom[3].reset();
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ram.reset();
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}
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auto Event::power() -> void {
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}
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auto Event::reset() -> void {
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create(Event::Enter, 1);
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for(auto n : range(ram.size())) ram.write(n, 0x00);
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status = 0x00;
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select = 0x00;
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timerActive = false;
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scoreActive = false;
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timerSecondsRemaining = 0;
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scoreSecondsRemaining = 0;
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}
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auto Event::mcuRead(uint24 addr, uint8 data) -> uint8 {
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if(board == Board::CampusChallenge92) {
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uint id = 0;
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if(select == 0x09) id = 1;
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if(select == 0x05) id = 2;
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if(select == 0x03) id = 3;
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if((addr & 0x808000) == 0x808000) id = 0;
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if(addr & 0x008000) {
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addr = ((addr & 0x7f0000) >> 1) | (addr & 0x7fff);
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return rom[id].read(bus.mirror(addr, rom[id].size()), data);
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}
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}
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if(board == Board::Powerfest94) {
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uint id = 0;
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if(select == 0x09) id = 1;
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if(select == 0x0c) id = 2;
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if(select == 0x0a) id = 3;
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if((addr & 0x208000) == 0x208000) id = 0;
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if(addr & 0x400000) {
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addr &= 0x3fffff;
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return rom[id].read(bus.mirror(addr, rom[id].size()), data);
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}
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if(addr & 0x008000) {
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addr &= 0x1fffff;
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if(id != 2) addr = ((addr & 0x1f0000) >> 1) | (addr & 0x7fff);
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return rom[id].read(bus.mirror(addr, rom[id].size()), data);
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}
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}
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return data;
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}
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auto Event::mcuWrite(uint24 addr, uint8 data) -> void {
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}
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auto Event::read(uint24 addr, uint8 data) -> uint8 {
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if(addr == 0x106000 || addr == 0xc00000) {
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return status;
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}
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return data;
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}
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auto Event::write(uint24 addr, uint8 data) -> void {
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if(addr == 0x206000 || addr == 0xe00000) {
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select = data;
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if(timer && data == 0x09) {
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timerActive = true;
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timerSecondsRemaining = timer;
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}
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}
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}
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auto Event::serialize(serializer& s) -> void {
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Thread::serialize(s);
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s.array(ram.data(), ram.size());
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s.integer(status);
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s.integer(select);
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s.integer(timerActive);
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s.integer(scoreActive);
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s.integer(timerSecondsRemaining);
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s.integer(scoreSecondsRemaining);
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}
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}
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