Texas Instruments 990 User Manual page 109

Applications Prog ramming
IDT
~SUB4D~
TITL
~FORTRAN
XOP1S-4D
SUBROUTINES~
REF F$RGMY
DEF WRIT4D,READ4D,WKUP4D,WAITSV
DXOP SVC, IS ..
*********************************************************
*
LAST CHANGE DATE 07/1/80
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*
*
*
*
*
*
*
ABSTRACT - THIS MODULE IS USED TO SUPPORT
XOP1S-4D CALLS FROM A FORTRAN PROGRAM. THE
CALLS SUPPORTED ARE READ, WRITE, AND WAKE
UP.
INPUTS - DATA PASSED ON A CALL FROM FORTRAN
*
OUTPUTS - PARAMETERS PASSED BACK FROM XOP1S-4D CALLS
*
*********************************************************
*
EVEN
BLOCK BSS
18
EVEN
PASSED BSS
14
*
I04D DATA >4DOO
WRIT DATA >200
READ
DATA >300
WAIT DATA >600
PAGE
*
*
THIS MODULE EXECUTES A SUSPEND TASK
*
WAITSV DATA WSP6,START6,0
WSP6 BSS 32
DATA NAME 6 NAME OF SUBROUTINE
DATA STAt{T6 STARTING ADDRESS
DATA 1
l=NON REENTRANT CODE
START6 BL @F$RGMY
DATA 0 NUMBER OF PARAMETERS
NAME 6 TEXT
~WAITSV~
SVC
@WAIT
RTWP
Figure 4-7 Assembly Language Interface (Sheet 1 of 4)
2270S26-9701 4-23