Commodore 1581 format disk software

Commodore 1581 academic dictionaries and encyclopedias. The program takes advantage of the advanced hardware and software designs of the 1571 1581 disk drives. Llc associates program, an affiliate advertising program designed to. The design of this disk drive spelled the end of the gcr format, as commodore simply used the mfm standard in order to take advantage of existing. This led to a total storage capacity of 800 kilobytes. However, some programs were able to write cbm 1581 disks. The msdos mode even supports commodore 16character filenames in win95 longfilename format if the lfnfiles plugin v1. It had 80 tracks per side, with 9 sectors per track, and 512 bytes per sector. Afterwards i was able to format the dd disk like this. There is also some information about linux and commodore disks included. Among the options are alphabetizing a disk, inserting comments, exchanging directory entries, inserting blank entries and even operating on subdirectories. The design of this drive is typical for all the other dual drive disks up to the 8250, and even for the single drive 1001. It was the main 3 12 disk format for the pc platform until the highdensity pcdos 1. The 1571 or commodore 1571 was a diskdrive made by commodore as a companion for the c128 in 1985.

Fullfeatured font editor with support for 8x8 and 8x16 fonts, and conversion from other formats. The pcdos 720k format 3 12, double sided, double density was a very common floppy disk format in the late 1980s and into the 1990s, used on ibm pcs and compatibles. There are plenty of copier programs available on the web that you can download and if you have the right cable x1541 or xe1541 you can convert the emulator image to a c64 5 14 disk or with the 1581 a 3. It utilizes a 3,5 disk, which when formatted provides 800k of storage vs. Other features include format destination, displaying the disk directory for the first drive f1, displaying the disk directory for the second drive f3, enter disk dos commands f5.

Finally i used dd to put the d81 image on the real disk. For the first pet with basic 2 it started with the 2040 disk drive and with its cbm dos 1. Read from msdos formatted disks in a 1571 or 1581 drive, so as to be able to. Im currently testing a raw dd disk image file format for the 1581 but it could also be used with mfm disks in the 1571. View commodore files basic, seq, binary, ml, fonts, and images. Disk image remains unchanged after resetting drive. Maybe im wrong and there is some software to let you make a 1581 format disk on a pc, but id be really really surprised.

It would have had four times as much ram as the 1571 8 kb, and twice as much rom 64 kb. Back onto my commodore 64 there are several ways to transfer files from pc to c64 and use a cds with commodore 64 software on it. The 1581 disk drive uses mfm also for its native format, which makes it relatively. This fantastic tool works on any pc, using windows 98,xp, vista, win7. The mfm format used by the drive allows storage of 800 kb compared to ms dos 3. Commodore 64 side and rear ports the joysticks and power were plugged into the side.

The linux floppy driver can be configured to read and write 1581 disks, and. The 1541 was the standard floppy disk drive for the commodore 64, with nearly all diskbased software programs released for the computer being distributed in the 1541 compatible floppy disk format. Commodore 64 games and software and commodore 128 and 64. Special software is required to read 1581 disks on a pc due to the different file system. Although usually not supplied with the machine, floppy disk drives of the 5. You have a choice of using the 1541, 1571, or 1581 disk drives. However, enthusiasts could use this drive to transfer data between typical pc msdos and the commodore with special software. Some of the communication between the pc and the commodore drive is. Copying between two entirely different disk formats such as the ibm pc compatible msdos and standard commodore disks is no easy task. It was an 800k floppy disk drive using the thennew 3.

Commodore 64 and 1541 floppy disk drive microsoft azure. Loadstar monthly disk magazine for the commodore 64 began in 1984 and continued to 2007 publishing 248 issues packed to the bam block access manager with games, applications, articles, entertainments, and tutorials. What i could try is to just format a disk in 1581 style and not write a d81 image to it and check again with fluxengine. How to play commodore 64 games, demos and applications from sd cards. The result was an interface of just eight common available cheap ics. So i got interested in connecting one to my c64 in one or another way. Apr 09, 20 how to play commodore 64 games, demos and applications from sd cards. This utility appear to handle some basic housekeeping tasks for a 1581. The 1581 disk format consists of 80 tracks and ten 512 byte sectors per track, used as 20 logical sectors of 256 bytes each. Once files are selected, screen displays show the file reading and writing progress and bam update. It can also be used to transfer files tofrom commodore amiga, atari st, and apple. The kernal file contains not only the operating system, but it also has a disk driver embedded into it.

The 1581 format will also boot from a cmd fd2000 or fd4000 disk drive. The commodore 1571 and 1581 disk drives can however handle multiple disk formats and data transfer rates. The commodore 1581 was developed as a replacement for the older 5,25 disk drives 1541, 1571. Pi1541 provides you with an sd card solution for using d64, d81, g64, nib and nbz commodore disk images on real commodore 8 bit computers such as. The commodore 1581 disk is the native format of the 1581 disk drive, a 3. When attached to a 64, or a 128 in c64 mode, it will boot into 1541 emulation mode. D64, from a 1571 1581 disk drive large enough to hold. View and download commodore 1581 user manual online. Transfer pc files to a commodore 64 and c64 files to pc 8. First you need to decide which disk format you will be using for your boot disk.

Using 1581 to transfer disk images commodore 64 c64 forum. The 1581, a 3 12 mfm disk drive, made primarily for the c128, had easter egg commands. D64 format which is an image of a standard 1541 floppy. You could tell the disk drive to format a floppy, unplug it from the computer and it would continue the task. It is superior to the 1541 in that it can use both sides of the disk, and it has a high speed mode only available on the 128. Jan 23, 2017 i have never uploaded any of my commodore 64 stuff until today, i have no great knowledge of the hard ware just a good understanding and the fun it brings to people even today, amazing. But with software, its possible for a pc to read a. Commodore 1581 drive 4 sale possibly buy, sell, and. D81 which are for 1571 and 1581 formats but these are less common. Use sd cards on commodore 64 sd2iec reader youtube. View online or download commodore 1581 user manual. I have never uploaded any of my commodore 64 stuff until today, i have no great knowledge of the hard ware just a good understanding and the fun it brings to people even today, amazing.

Transfer software from pc to commodore 64 via sd cards and a sd2iec reader. In the century where this disk drive was released there was a high number of commercial software on the market containing disks for this specific disk drive. This page contains a few programs for petcbm computers that i have picked up from various places on the web to use with the model 8096 that i have, this machine has an 80 column screen and 32kb of ram on board, with an additional 64kb on an internal expansion board. D64, from a 15711581 disk drive large enough to hold. Commodore announced at the 1985 consumer electronics show a dualdrive version of the 1571, to be called the commodore 1572, but quickly canceled it, reportedly due to technical difficulties with the 1572 dos. How to format a commodore 64 floppy disk c64 dos is open 1,8,15. The devices can even interface with the winvice emulator allowing to run games and programs directly from the diskette drive and. Formatting or creating a subdirectory on a 1581 disk image results in 1581 drive hanging on track 1 and erroring out. The program takes advantage of the advanced hardware and software designs of the 15711581 disk drives.

The 1571 is completely backwards compatible with the c64. Commodore 1581 in order to keep up with the latest technology, commodore released the commodore 1581, an inexpensive 3. This commodore 128 directory editor for the 1581 is very capable. Note that, at this moment, not all disk turbos are finished for 1581 drives so. A few users like me used 1581 disks because they were higher density and could store 800k on a single disk. The disk format isnt compatible with other mfm formats like the ibm pc, amiga and atari st. It can format disks with 800 kb capacity using a custom mfm encoding. You may have to put each disk on a seperate 1581 floppy. The 1581 cant read dos formatted disks, and i dont know of any software in windows, dos, or linux that can write 1581 formats.

It reads files from a disk formatted in msdos format and transfers them to a disk formatted in commodore format. This way disks can be copied without the need of a commodore 64 machine. The drive stores 800 kilobytes using an mfm encoding but formats different from the msdos 720 kb, amiga 880 kb, and mac plus 800 kb formats. Commodore 64 peripherals storage floppy disk drives. It should be able to im or export a cbm 1581 disk within 39 seconds on a pc based 3. Sep 05, 2018 the commodore 1581 drive was the c64 3. Commodore 1581 disk just solve the file format problem. Floppy disk drive commodore cbm 5 14inch user manual. With its doublesided drive mechanism, it has the ability to use doublesided, doubledensity dsdd floppy disks natively. When you distribute the commander, modified versions of it or softwares. Commodore 128 easter egg commodore 1581 disk drive credits. Pcdos 720k format just solve the file format problem. However, enthusiasts could use this drive to transfer data between typical pc msdos and the commodore with special software, such as sogwaps big blue reader.

This is in contrast to its predecessors, the 1541 and 1570, which can fully read and write such disks only if the user manually flipped them over to access the second side. Transfer files between two different disk image files. The software is free and i have endeavored to make the hardware as simple and inexpensive as possible. It is the most powerful file conversion program ever written for commodore computers. It allows you to do file transfers between over 150 3.

At this moment you can get small ide hard disk drives for peanuts. The file contains the raw data, 6250 bytes per track, as it would be read by the read track command of the 177x ic. Commodore 128 easter egg commodore 1581 disk drive. Commercial commodore 128 specific softwarehardware list. A good tool to test your reu if you just bought one 2nd hand or also good if. The only problems that may come up is with multiple disk games. An ibm formatted disk has the same mfm encoding as a commodore. In this context, the xu1541 devices can be used to interface pcs with iec devices like the commodore 1541, 1571 or 1581 diskette drives. The rear of the 1541 floppy disk drive and c64 console. Cbm 3,5 mfm disk copy for ibmpc floppy drives this util is able to im and export the contents of well known 3,5 cbm disks into disk image files with a pc based floppy disc controller under dos. The most programs works also on vc1541517071 by using c64128. Commercially, very little software was ever released on either 1581 disk format or cmds native format. Commodore 64 computer this keyboard is very similiar, if not identical, to the vic 20.