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SECTION V-6: Using EQU for Fixed Data Assignment
To get more practice using EQU to assign fixed data, examine the following:
;In Hexadecimal | |
DATA1 EQU 39 | ;hex data is the default |
DATA2 EQU 0x39 | ;another way for Hex |
DATA3 EQU 39H | ;another way for Hex |
DATA4 EQU H'39' | ;another way for Hex |
DATA5 h'39' | ;another way for Hex |
;In Binary | |
DATA6 EQU b'00110101 | ;binary, 35 in Hex |
DATA7 EQU B'00110101 | ;binary , 35 in Hex |
;In Decimal | |
DATA8 EQU D'28' | ;decimal number, 1C in Hex |
DATA9 EQU d'28' | ;second way for decimal |
;in ASCII | |
DATA10 EQU A'2' | ;ASCII characters |
DATA11 EQU a'2' | ;another way for ASCII character |
DATA12 EQU '2' | ;another way for ASCII character |
We use DB to allocate code memory locations for fixed data such as ASCII strings.