 A166 User's Guide | |
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A166 User's Guide
A166 Introduction Assembling Programs Operands and Expressions Operators 
Control Statements Reference 
ASSUME BIT CGROUP DB DBIT DBPTR DD DEFA DEFB DEFR DF32 DF64 DGROUP DPPTR DS DSB DSD DSPTR DSW DW ELSE ELSEIF END ENDIF ENDP ENDS EQU EVEN EXTERN EXTRN GLOBAL IF LABEL LIT NAME ORG PECDEF PROC PUBLIC REGBANK REGDEF SECTION SET SSKDEF TYPEDEC Macro Processor Error Messages AppendixDBPTR Assembler Statement
| Arguments | <[>label<[>:<]><]> DBPTR expression <[>, expression ...<]> |
| Description | The DBPTR statement defines a bit pointer to the bit or bits (of a bit-addressable word) specified in the expression. The pointer created consists of three words. The first word contains the bit position (0-15). The second word contains the page-relative offset (0000h-0DFFFh) of the referenced symbol. The third word contains the page number (which is always 3) of the referenced symbol. |
| See Also | |
| Example |
1 EXTERN NPROC : NEAR
2
3 BSEC SECTION BIT
0000 4 BT1 DBIT
0001 5 BT2 DBIT
6 BSEC ENDS
7
8 DSEC SECTION DATA
0000 00000000 R 9 bp1 DBPTR BT1 ; Bit pointer ref. BT1
0000 0300
0006 00000000 R 10 bp2 DBPTR BT2 ; Bit pointer ref. BT2
0006 0300
000C 00000000 R 11 pd1 DPPTR bp1 ; Page pointer
0010 00000000 E 12 cp1 DSPTR NPROC ; Segment pointer
13 DSEC ENDS
14
15 END
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