93 lines
2.3 KiB
NASM
93 lines
2.3 KiB
NASM
TITLE Assembly language interface table and macro (asmnam)
|
|
|
|
;*********************************************************************
|
|
;
|
|
; Contains the skeleton structure asmtab and the count of assembler
|
|
; routines, asmcnt. Contains the definition for macro asmnam, which
|
|
; produces the correct table entries for assembler and other non-COBOL
|
|
; routines.
|
|
;
|
|
|
|
INCLUDE pseg.mac
|
|
|
|
SUBTTL Build assembler subroutine table macros
|
|
PAGE
|
|
|
|
ASM86 equ 0
|
|
C equ 1
|
|
PASCAL equ 2
|
|
FORTRAN equ 3
|
|
last equ 0 ;; only asm86 allowed for now
|
|
|
|
|
|
asmnam macro entry,lang
|
|
LOCAL A,B,language
|
|
|
|
;; asmnam builds a table of routine entry point name string
|
|
;; lengths, name strings, and long pointers to the entry point
|
|
;; The entry points must be defined as PUBLIC FAR PROC's
|
|
|
|
if1
|
|
ifb <entry>
|
|
%out '*** error - Entry point not specified'
|
|
else
|
|
|
|
ifb <lang>
|
|
%out '*** error - Subroutine language not specified for &entry'
|
|
language equ 0ffh ;; Invalid language type
|
|
else
|
|
|
|
ifndef lang
|
|
%out '*** error - Invalid language (&lang) specified for &entry'
|
|
language equ 0ffh
|
|
else
|
|
|
|
if lang gt last
|
|
%out '*** error - Invalid language (&lang) specified for &entry'
|
|
language equ 0ffh
|
|
else
|
|
language equ lang
|
|
endif
|
|
|
|
endif ;; ifndef lang
|
|
endif ;; ifb <lang>
|
|
endif ;; ifb <entry>
|
|
endif ;; if1
|
|
|
|
ifnb <entry>
|
|
EXTRN entry:FAR
|
|
START_DSEG
|
|
COUNT = COUNT+1
|
|
DW B-A ;; length of program name string
|
|
A LABEL BYTE
|
|
DB '&entry' ;; program name string
|
|
B LABEL BYTE
|
|
DB language ;; declaration of program language
|
|
DD entry ;; declaration of program entry point
|
|
END_DSEG
|
|
endif
|
|
endm
|
|
|
|
|
|
SUBTTL Asmtab and asncnt structures
|
|
PAGE
|
|
|
|
START_DSEG
|
|
PUBLIC _asmtab
|
|
PUBLIC _asmcnt
|
|
COUNT = 0
|
|
_asmtab LABEL BYTE
|
|
END_DSEG
|
|
.lall
|
|
; *************************** user routines are entered here *************
|
|
include userprog.mac
|
|
; *************************** user routines are entered here *************
|
|
|
|
.sall
|
|
START_DSEG
|
|
_asmcnt DW COUNT ; set by macro asmnam to be the number of invocations
|
|
; of asmnam
|
|
END_DSEG
|
|
|
|
END
|