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63 lines
1.6 KiB
C++
63 lines
1.6 KiB
C++
//
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// Results.hpp
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// Clock Signal
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//
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// Created by Thomas Harte on 27/11/2023.
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// Copyright © 2023 Thomas Harte. All rights reserved.
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//
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#pragma once
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#include "CommandDecoder.hpp"
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#include "Status.hpp"
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namespace Intel::i8272 {
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class Results {
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public:
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/// Serialises the response to Command::Invalid and Command::SenseInterruptStatus when no interrupt source was found.
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void serialise_none() {
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result_ = { 0x80 };
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}
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/// Serialises the response to Command::SenseInterruptStatus for a found drive.
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void serialise(const Status &status, uint8_t cylinder) {
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result_ = { cylinder, status[0] };
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}
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/// Serialises the seven-byte response to Command::SenseDriveStatus.
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void serialise(uint8_t flags, uint8_t drive_side) {
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result_ = { uint8_t(flags | drive_side) };
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}
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/// Serialises the response to:
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///
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/// * Command::ReadData;
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/// * Command::ReadDeletedData;
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/// * Command::WriteData;
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/// * Command::WriteDeletedData;
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/// * Command::ReadID;
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/// * Command::ReadTrack;
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/// * Command::FormatTrack;
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/// * Command::ScanLow; and
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/// * Command::ScanHighOrEqual.
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void serialise(const Status &status, uint8_t cylinder, uint8_t head, uint8_t sector, uint8_t size) {
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result_ = { size, sector, head, cylinder, status[2], status[1], status[0] };
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}
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/// @returns @c true if all result bytes are exhausted; @c false otherwise.
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bool empty() const { return result_.empty(); }
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/// @returns The next byte of the result.
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uint8_t next() {
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const uint8_t next = result_.back();
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result_.pop_back();
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return next;
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}
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private:
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std::vector<uint8_t> result_;
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};
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}
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