From e53586df1d39c883396aea85f4eb4af310d019d3 Mon Sep 17 00:00:00 2001
From: Thomas Harte <thomas.harte@gmail.com>
Date: Wed, 17 Mar 2021 22:09:44 -0400
Subject: [PATCH] Adds tape-file static analysis for a hypothetical ZX
Spectrum.
---
Analyser/Machines.hpp | 3 +-
Analyser/Static/ZXSpectrum/StaticAnalyser.cpp | 46 ++++++++++++++++++-
2 files changed, 46 insertions(+), 3 deletions(-)
diff --git a/Analyser/Machines.hpp b/Analyser/Machines.hpp
index 2f36858bf..7159408f8 100644
--- a/Analyser/Machines.hpp
+++ b/Analyser/Machines.hpp
@@ -24,7 +24,8 @@ enum class Machine {
MSX,
Oric,
Vic20,
- ZX8081
+ ZX8081,
+ ZXSpectrum,
};
}
diff --git a/Analyser/Static/ZXSpectrum/StaticAnalyser.cpp b/Analyser/Static/ZXSpectrum/StaticAnalyser.cpp
index bd9c0acf8..16b772740 100644
--- a/Analyser/Static/ZXSpectrum/StaticAnalyser.cpp
+++ b/Analyser/Static/ZXSpectrum/StaticAnalyser.cpp
@@ -8,6 +8,48 @@
#include "StaticAnalyser.hpp"
-Analyser::Static::TargetList Analyser::Static::ZXSpectrum::GetTargets(const Media &media, const std::string &file_name, TargetPlatform::IntType potential_platforms) {
- return {};
+#include "../../../Storage/Tape/Parsers/Spectrum.hpp"
+
+namespace {
+
+bool IsSpectrumTape(const std::shared_ptr<Storage::Tape::Tape> &tape) {
+ using Parser = Storage::Tape::ZXSpectrum::Parser;
+ Parser parser(Parser::MachineType::ZXSpectrum);
+
+ while(true) {
+ const auto block = parser.find_block(tape);
+ if(!block) break;
+
+ // Check for a Spectrum header block.
+ if(block->type == 0x00) {
+ return true;
+ }
+ }
+
+ return false;
+}
+
+}
+
+Analyser::Static::TargetList Analyser::Static::ZXSpectrum::GetTargets(const Media &media, const std::string &, TargetPlatform::IntType) {
+ TargetList destination;
+ auto target = std::make_unique<Target>();
+ target->confidence = 0.5;
+
+ if(!media.tapes.empty()) {
+ bool has_spectrum_tape = false;
+ for(auto &tape: media.tapes) {
+ has_spectrum_tape |= IsSpectrumTape(tape);
+ }
+
+ if(has_spectrum_tape) {
+ target->media.tapes = media.tapes;
+ }
+ }
+
+ // If any media survived, add the target.
+ if(!target->media.empty())
+ destination.push_back(std::move(target));
+
+ return destination;
}