goapple2/disk/disk.go

package disk

const (
	NUM_TRACKS           = 35
	DOS_DISK_BYTES       = 143360 // 35 tracks * 16 sectors * 256 bytes
	DOS_TRACK_BYTES      = DOS_DISK_BYTES / 35
	NYBBLE_DISK_BYTES    = 232960
	NYBBLE_TRACK_BYTES   = NYBBLE_DISK_BYTES / 35
	NYBBLE_ADDRESS_BYTES = 14
	NYBBLE_DATA_BYTES    = 349
	DEFAULT_VOLUME       = 254
	DEFAULT_PRESYNC      = 20
	DEFAULT_INTRASYNC    = 8
	MAX_PRE_INTRA_SYNC   = (NYBBLE_TRACK_BYTES / 16) - NYBBLE_ADDRESS_BYTES - NYBBLE_DATA_BYTES
)
Working on disks 2013-04-16 00:43:23 +00:00			`package disk`

			`const (`
Lots of work on disks. Also added a2 command-line utility. 2013-05-07 04:23:36 +00:00			`NUM_TRACKS = 35`
Working on disks 2013-04-16 00:43:23 +00:00			`DOS_DISK_BYTES = 143360 // 35 tracks * 16 sectors * 256 bytes`
			`DOS_TRACK_BYTES = DOS_DISK_BYTES / 35`
			`NYBBLE_DISK_BYTES = 232960`
			`NYBBLE_TRACK_BYTES = NYBBLE_DISK_BYTES / 35`
			`NYBBLE_ADDRESS_BYTES = 14`
			`NYBBLE_DATA_BYTES = 349`
			`DEFAULT_VOLUME = 254`
			`DEFAULT_PRESYNC = 20`
			`DEFAULT_INTRASYNC = 8`
			`MAX_PRE_INTRA_SYNC = (NYBBLE_TRACK_BYTES / 16) - NYBBLE_ADDRESS_BYTES - NYBBLE_DATA_BYTES`
			`)`