From b180f04c877bcb87306c0d6e9337f26890dc092e Mon Sep 17 00:00:00 2001
From: Thomas Harte <thomas.harte@gmail.com>
Date: Sat, 26 Nov 2016 10:19:10 +0800
Subject: [PATCH] Okay, so this file format wasn't what I hoped it was. It's
another hack. Lots of work to do.
---
Storage/Disk/Formats/OricMFMDSK.cpp | 4 ++++
Storage/Disk/Formats/OricMFMDSK.hpp | 2 +-
2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/Storage/Disk/Formats/OricMFMDSK.cpp b/Storage/Disk/Formats/OricMFMDSK.cpp
index aa002fcc4..c522e092f 100644
--- a/Storage/Disk/Formats/OricMFMDSK.cpp
+++ b/Storage/Disk/Formats/OricMFMDSK.cpp
@@ -49,6 +49,10 @@ std::shared_ptr<Track> OricMFMDSK::get_track_at_position(unsigned int head, unsi
}
fseek(file_, (offset * 6400) + 256, SEEK_SET);
+ // TODO: upon review, the file format actually seems to omit clock bits. So it's not an MFM capture.
+ // A consumer must contextually guess when an FB, FC, etc is meant to be a control mark. So turfing
+ // the data over directly as below isn't correct.
+
PCMSegment segment;
segment.number_of_bits = 6250*8;
segment.data.resize(6250);
diff --git a/Storage/Disk/Formats/OricMFMDSK.hpp b/Storage/Disk/Formats/OricMFMDSK.hpp
index 4cc8c9860..c87bd4d89 100644
--- a/Storage/Disk/Formats/OricMFMDSK.hpp
+++ b/Storage/Disk/Formats/OricMFMDSK.hpp
@@ -16,7 +16,7 @@ namespace Storage {
namespace Disk {
/*!
- Provies a @c Disk containing an Oric MFM-stype disk image — an MFM bit stream.
+ Provies a @c Disk containing an Oric MFM-stype disk image — a stream of the MFM data bits with clocks omitted.
*/
class OricMFMDSK: public Disk, public Storage::FileHolder {
public: