Panasonic FP-M Hardware Manual page 194

8-4. Table of Memory Areas
Item
Data register
Data area
The data register is a memory area for data processed
within the programmable controllers and each data
register consists of 1 word (1 word = 16 bits).
Special data register
The special data register is a memory area that has
special applications. Refer to page 201, "8-7. Special
Data Registers" for details about the special data
register.
Index
Index register
modifier
The index register can be used as an address and
constants modifier.
Constant Decimal constants
Hexadecimal constants
186
Name and function
Numbering
Symbol
2.7 k type
1,660 words
DT0
DT (word)
to
DT1659
112 words
DT9000 to DT9069
DT (word)
and
DT9080 to DT9121
One word each
IX (word)
(No numbering system)
IY (word)
K
16-bit constant (word):
K-32,768 to K32,767
32-bit constant (double word):
K-2,147,483,648 to
K2,147,483,647
16-bit constant (word):
H
H0 to HFFFF
32-bit constant (double word):
H0 to HFFFFFFFF
5 k type
6,144 words
DT0
to
DT6143