The Ultimate Commodore 1541 Drive Talk — Michael Steil

A presentation at Vintage Computer Festival West — August 8, 2021 — (VCF WEST 2021)

00:00 Introduction
00:55 History
04:55 Recording Format
05:35 Tracks
07:40 Sectors
08:15 GCR (Group Coded Recording)
09:35 Sector Format
10:40 Reading a Sector
11:35 Writing a Sector
12:15 Interleave
12:50 File System
15:30 Disk Drive Hardware
18:00 How VIAs are Used
19:50 Software Architecture
21:45 Data Transmission
23:30 Layer 2: Transmission
27:00 Layer 3: Talk / Listen
29:35 Layer 4: Commodore DOS
31:30 Fast Loaders
38:45 Non-standard Formats
40.25 Copy Protection
46:10 Preservation

Тэги:

#Commodore_1541 #Commodore_64 #Commodore_disk_drive #floppy_drive

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