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tendef.r36
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!
! COPYRIGHT (c) 1977, 1978, 1979, 1980, 1981, 1982, 1983 BY
! DIGITAL EQUIPMENT CORPORATION, MAYNARD, MASS.
!
! THIS SOFTWARE IS FURNISHED UNDER A LICENSE AND MAY BE USED AND COPIED
! ONLY IN ACCORDANCE WITH THE TERMS OF SUCH LICENSE AND WITH THE
! INCLUSION OF THE ABOVE COPYRIGHT NOTICE. THIS SOFTWARE OR ANY OTHER
! COPIES THEREOF MAY NOT BE PROVIDED OR OTHERWISE MADE AVAILABLE TO ANY
! OTHER PERSON. NO TITLE TO AND OWNERSHIP OF THE SOFTWARE IS HEREBY
! TRANSFERRED.
!
! THE INFORMATION IN THIS SOFTWARE IS SUBJECT TO CHANGE WITHOUT NOTICE
! AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY DIGITAL EQUIPMENT
! CORPORATION.
!
! DIGITAL ASSUMES NO RESPONSIBILITY FOR THE USE OR RELIABILITY OF ITS
! SOFTWARE ON EQUIPMENT WHICH IS NOT SUPPLIED BY DIGITAL.
!
! REVISION HISTORY
!
! 16-Dec-1981 AL Added MONWORD and MONBLOCK structures
!
! 8-Jan-82 AL Improved by using GL's "better" structure
! defn. for MONWORD. N.B., this change cannot
! appear in a LIBRARY prior to BLISS V3.
!
!
! END V3.1 BUG FIXES
!
! BLISS V4 DEVELOPMENT
!
! 26-Jul-83 TT Merge Bugs line into Main line.
!
! END OF REVISION HISTORY
!--
! POINTR(adr,mask)
!
! Inputs:
! adr - an address (if not a name, enclose adr in parens)
! mask - a literal mask of bits
!
! Expansion:
! adr < pos , siz > "pos" and "siz" are inferred from "mask"
!
MACRO
POINTR(adr,mask)=
adr
<
%NBITSU(mask AND - mask) - 1
,
%NBITSU(mask) - %NBITSU(mask AND - mask) + 1
>
%;
! FLD(val,mask)
!
! Inputs:
! val - a value
! mask - a literal mask of bits
!
! Expansion:
! (val ^ pos) where "pos" is inferred from "mask"
!
MACRO
FLD(val,mask)=
(
(val)
^
(%NBITSU(mask AND - mask) - 1)
)
%;
! PC BITS OF INTEREST TO USERS
!
LITERAL
PC_AFI = %O'001000000000', ! Address failure inhibit
PC_ATN = %O'000600000000', ! APR trap number
PC_BIS = %O'020000000000', ! Byte increment suppression
PC_CY0 = %O'200000000000', ! Carry 0
PC_CY1 = %O'100000000000', ! Carry 1
PC_FOV = %O'040000000000', ! Floating overflow
PC_FUF = %O'000100000000', ! Floating underflow
PC_LIP = %O'002000000000', ! Last instruction public
PC_NDV = %O'000040000000', ! No divide
PC_OVF = %O'400000000000', ! Overflow
PC_UIO = %O'004000000000', ! User IOT mode
PC_USR = %O'010000000000'; ! User mode
! VERSION NUMBER
!
LITERAL
VI_EDN = %O'000000777777', ! Edit number
VI_MAJ = %O'077700000000', ! Major version
VI_MIN = %O'000077000000', ! Minor version
VI_WHO = %O'700000000000'; ! Customer edit code
! CONTROL CHARACTER DEFINITIONS
!
LITERAL
$CHNUL = %O'000', ! Null
$CHCNA = %O'001',
$CHCNB = %O'002',
$CHCNC = %O'003',
$CHCND = %O'004',
$CHCNE = %O'005',
$CHCNF = %O'006',
$CHBEL = %O'007', ! Bell
$CHBSP = %O'010', ! Backspace
$CHTAB = %O'011', ! Tab
$CHLFD = %O'012', ! Line feed
$CHVTB = %O'013', ! Vertical tab
$CHFFD = %O'014', ! Form feed
$CHCRT = %O'015', ! Carriage return
$CHCNN = %O'016',
$CHCNO = %O'017',
$CHCNP = %O'020',
$CHCNQ = %O'021',
$CHCNR = %O'022',
$CHCNS = %O'023',
$CHCNT = %O'024',
$CHCNU = %O'025',
$CHCNV = %O'026',
$CHCNW = %O'027',
$CHCNX = %O'030',
$CHCNY = %O'031',
$CHCNZ = %O'032',
$CHESC = %O'033', ! Escape
$CHCBS = %O'034', ! Control backslash
$CHCRB = %O'035', ! Control right bracket
$CHCCF = %O'036', ! Control circumflex
$CHCUN = %O'037', ! Control underline
$CHALT = %O'175', ! Old altmode
$CHAL2 = %O'176', ! Alternate old altmode
$CHDEL = %O'177'; ! Delete
! Define STRUCTUREs which make the bit-masks defined by MONSYM and UUOSYM
! useful.
!
! MONWORD
! This structure defines a single BLISS-value which is accessed by
! specifying a "field-mask" which defines the position and size
! of the field to be accessed.
!
! For example, when invoking the GETLCH UUO, it requires a
! line-number and returns flags.
!
! LOCAL
! linestate : MONWORD INITIAL(-1); ! Use controlling TTY
!
! GETLCH( linestate );
!
! IF .linestate[GL$ITY] THEN ... ! Tests for PTY
!
!
BUILTIN
FIRSTONE; ! This must be compiled by V3 compiler
! to be legal in a library.
STRUCTURE
MONWORD[msk] = [%UPVAL]
MONWORD<35-FIRSTONE(msk AND -msk),
FIRSTONE(msk AND -msk) - FIRSTONE(msk)+1,
0>;
STRUCTURE
MONBLOCK[ OFF, MSK ; SIZ=1]= [SIZ] MONWORD[MONBLOCK+OFF,MSK];