Tandy 1000 MS-DOS Reference Manual page 311

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Chapter 13/ The DEBUG Utility
• When all parameters are specified, the write begins from the
memory address specified. The file is written to the specified
drive (0
=
Drive A, 1
=
Drive B, and so on). DEBUG writes
the file beginning at the sector specified by sector, until the
number of sectors specified by sectorcount have been written.
• If only an offset is entered for the starting address, the seg-
ment indicated by register CS is used.
• If a disk write error occurs, DEBUG displays a message. Press
[ill to redisplay the Write command, and then press I ENTER I.
• Be very careful when you write to absolute sectors on the
disk. Data that was previously in these sectors is destroyed.
Example
w
CS:1~~
1 37
2E
I
ENTER
J
writes the contents of memory to the disk in Drive B, beginning
with memory address CS:100. The data is written beginning at
relative sector 37H and consists of 2BH sectors. The DEBUG
prompt is displayed when the write is complete.
291