# Research Machines 380Z/480Z 5.25" "Single Density" or "MDS" format. # All tracks are formatted FM 16x128. diskdef rm-sd seclen 128 tracks 40 sectrk 16 blocksize 1024 maxdir 64 skew 3 boottrk 3 os 2.2 end # Research Machines 380Z/480Z 5.25" "Double Density" or "MD" format. # Track 0 is formatted FM 16x128; 1+ are MFM 9x512. # If you're working with an image file, make sure that track 0 is # padded to be the same size as the other tracks. diskdef rm-dd seclen 512 tracks 40 sectrk 9 blocksize 1024 maxdir 64 skew 5 boottrk 3 os 2.2 end # Research Machines 380Z/480Z 5.25" "Quad Density" or "MQ" format. # Track 0 is formatted FM 16x128; 1+ are MFM 9x512. diskdef rm-qd seclen 512 tracks 80 sectrk 9 blocksize 2048 maxdir 128 skew 5 boottrk 3 os 2.2 end