D63GS NEC, D63GS Datasheet - Page 47

• Manufacturer Part Number: D63GS
• Description: Search -----> UPD63GS
• Manufacturer: NEC

www.DataSheet4U.com
10. ASSEMBLER RESERVED WORDS
10.1 Mask Option Directives
program to specify a mask option.
10.1.1 OPTION and ENDOP directives
of the mask option definition block is as follows:
10.1.2 Mask option definition directive
When creating the PD63 program, it is necessary to use a mask option directive in the assembler’s source
From the OPTION directive on to the ENDOP directive are called the mask option definition block. The format
Format
The directives that can be used in the mask option definition block are listed in Table 10-1.
An example of the mask option definition is shown below.
Example
Symbol field
Symbol field
[Label:]
POC
Name
Table 10-1. List of Mask Option Definition Directives
USEPOC
(POC circuit incorporated)
NOUSEPOC
(Without POC circuit)
Mnemonic field
Mnemonic field
Mask Option Definition Directive
OPTION
USEPOC
ENDOP
OPTION
ENDOP
:
:
Operand field
Operand field
Address value
2044H
PRO File
; POC circuit incorporated
Comment field
Comment field
[; Comment]
Data value
01
00
PD63, 63A, 64
47