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47 lines
1.2 KiB
C++
47 lines
1.2 KiB
C++
//
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// DiskII.cpp
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// Clock Signal
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//
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// Created by Thomas Harte on 23/04/2018.
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// Copyright 2018 Thomas Harte. All rights reserved.
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//
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#include "DiskIICard.hpp"
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using namespace AppleII;
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DiskIICard::DiskIICard(const ROMMachine::ROMFetcher &rom_fetcher, bool is_16_sector) {
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auto roms = rom_fetcher(
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"DiskII",
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{
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is_16_sector ? "boot-16.rom" : "boot-13.rom",
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is_16_sector ? "state-machine-16.rom" : "state-machine-13.rom"
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});
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boot_ = std::move(*roms[0]);
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diskii_.set_state_machine(*roms[1]);
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}
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void DiskIICard::perform_bus_operation(CPU::MOS6502::BusOperation operation, uint16_t address, uint8_t *value) {
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if(address < 0x100) {
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if(isReadOperation(operation)) *value &= boot_[address];
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} else {
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if(isReadOperation(operation)) {
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*value = diskii_.get_register(address);
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} else {
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diskii_.set_register(address, *value);
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}
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}
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}
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void DiskIICard::run_for(Cycles cycles, int stretches) {
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diskii_.run_for(Cycles(cycles.as_int() * 2));
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}
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void DiskIICard::set_disk(const std::shared_ptr<Storage::Disk::Disk> &disk, int drive) {
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diskii_.set_disk(disk, drive);
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}
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void DiskIICard::set_activity_observer(Activity::Observer *observer) {
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diskii_.set_activity_observer(observer);
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}
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