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63 lines
2.5 KiB
Groff
63 lines
2.5 KiB
Groff
.TH rascsi 1
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.SH NAME
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rascsi \- Emulates SCSI devices using the Raspberry Pi GPIO pins
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.SH SYNOPSIS
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.B rascsi
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[\fB\-IDn\fR \fIfile\fR]
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[\fB\-HDn\fR \fIfile\fR]...
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.SH DESCRIPTION
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.B rascsi
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Emulates SCSI devices using the Raspberry Pi GPIO pins.
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.PP
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In the arguments to RaSCSI, one or more SCSI (-IDn) or SASI (-HDn) devices can be specified.
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The number (n) after the ID or HD identifier specifies the ID number for that device.
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For SCSI: The ID is limited from 0-7. However, typically SCSI ID 7 is reserved for the "initiator" (the host computer).Note that SASI is considered rare and only used on very early Sharp X68000 computers.
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.PP
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RaSCSI will determine the type of device based upon the file extension of the FILE argument.
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hdf: SASI Hard Disk image (XM6 SASI HD image - typically only used with X68000)
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hds: SCSI Hard Disk image (XM6 SCSI HD image - typically only used with X68000)
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hdn: SCSI Hard Disk image (NEC GENUINE)
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hdi: SCSI Hard Disk image (Anex86 HD image)
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nhd: SCSI Hard Disk image (T98Next HD image)
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hda: SCSI Hard Disk image (APPLE GENUINE - typically used with Mac SCSI emulation)
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mos: SCSI Magneto-optical image (XM6 SCSI MO image - typically only used with X68000)
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iso: SCSI CD-ROM image (ISO 9660 image)
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For example, if you want to specify an Apple-compatible HD image on ID 0, you can use the following command:
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sudo rascsi -ID0 /path/to/drive/hdimage.hda
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Once RaSCSI starts, it will open a socket (port 6868) to allow external management commands.
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If another process is using port 6868, RaSCSI will terminate, since it is likely another instance of RaSCSI.
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Once RaSCSI has initialized, the rasctl utility can be used to send commands.
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To quit RaSCSI, press Control + C. If it is running in the background, you can kill it using an INT signal.
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.SH OPTIONS
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.TP
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.BR \-ID\fIn " " \fIFILE
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n is the SCSI ID number (0-7)
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.IP
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FILE is the name of the image file to attach to that ID.
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.TP
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.BR \-HD\fIn " " \fIFILE
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n is the SASI ID number (0-15)
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.IP
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FILE is the name of the image file to attach to that ID.
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.IP
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Note: SASI usage is rare, and is typically limited to early Sharp X68000 systems.
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.SH EXAMPLES
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Launch RaSCSI with no emulated drives attached:
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rascsi
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Launch RaSCSI with an Apple hard drive image as ID0 and a CD-ROM as ID 2
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rascsi -ID0 /path/to/harddrive.hda -ID2 /path/to/cdimage.iso
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To create an empty, 100MB HD image, use the following command:
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dd if=/dev/zero of=/path/to/newimage.hda bs=512 count=204800
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.SH SEE ALSO
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rasctl(1), scsimon(1)
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Full documentation is available at: <https://www.github.com/akuker/RASCSI/wiki/>
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