User`s manual

.DSKRD .DSKWR

5-16

Entry Conditions

R03: 32-bit address of command packet

Exit Conditions Different From Entry

Status half-word of command packet is updated. Data is written

into memory as a result of .DSKRD routine. Data is written to disk

as a result of .DSKWR routine.

R03: Bit 3 (ne) = 1; Bit 2 (eq) = 0 if errors.

R03: Bit 3 (ne) = 0; Bit 2 (eq) = 1 if no errors.

Bit 1 Ignore File Number (IFN) ßag. If 0, the Þle

number Þeld is used to position the tape before

any reads or writes are done. If 1, the Þle

number Þeld is ignored, and reads or writes

start at the present tape position.

Bit 0 End of File ßag. If 0, reads or writes are done

until the speciÞed block count is exhausted. If

1, reads are done until the count is exhausted

or until a Þlemark is found. If 1, writes are

terminated with a Þlemark.

Address

ModiÞer

VMEbus address modiÞer to use while transferring

data. If zero, a default value is selected by the

debugger. If nonzero, the speciÞed value is used.