2.11BSD#431 - /usr/src/new/OLD/lisp11/sparm.m11

   1: ; Copyright (c) 1981 Harvard-Radcliffe Student Timesharing System
   2: ; Science Center, Harvard University
   3: 
   4: .rept 0
   5:         universal file for the construction of lisp
   6:         forrest w. howard, jr.
   7:         7/74
   8:         last mod:5/75
   9: 
  10:         file   has assembly switches and register definitions.
  11: .endr
  12: 
  13: 
  14:         .enabl  lc
  15:         .list meb
  16:         .nlist  mc
  17:         .nlist  cnd
  18:         .nlist  md
  19:         .list   ttm
  20: .rept 0
  21:         registers a&b are used for the passing and return of
  22: arguements. they are not to be clobbered in general.  the routines
  23: that can clobber are eval, read, print, and subrs.
  24: j1&j2&j3 are used as scratch
  25: 
  26: .endr
  27: 
  28: 
  29: 
  30: 
  31: 
  32:         j1=%0
  33:         j2=%1
  34:         a=%2
  35:         b=%3
  36:         j3=%4
  37:         np=%5
  38:         sp=%6
  39:         pc=%7
  40:         ac0=*%0
  41:         ac1=*%1
  42:         ac2=*%2
  43:         ac3=*%3
  44:         ac4=*%4
  45:         ac5=*%5
  46: 
  47:         multiseg=*1             ;0 for "normal", 1 for i-d space
  48: 
  49:         onepage=* 1             ;if multiseg is off (0), then this
  50:                                 ;is a data-space only lisp. this
  51:                                 ;switch aranges for portions of
  52:                                 ;the code to be put in private (non-
  53:                                 ; sharable) space vs the normal
  54:                                 ;sharable space (data vs. text).
  55:                                 ;the amount depends on fpsim--
  56:                                 ;if fpp hardware exists, the
  57:                                 ;sharable code for printr, ratomr,
  58:                                 ;and eval is made non-sharable.
  59:                                 ;if fpp is on, ctable is also made
  60:                                 ;non-sharable.
  61: 
  62:         hash=*10                ;hash buckets (0 for no hash)
  63: 
  64:         hashm=*7                ;number of buckets -1
  65: 
  66:         strlen=*100             ;bytes in atom, max
  67: 
  68:         tblen=*106              ;bytes, base 8 for tty buffer size
  69: 
  70:         nports=*10              ;number of i-o ports
  71: 
  72: ;;;;	noeval=*1		;define for evaluator hack
  73: 
  74:         nplen=*^d1000           ;preliminary length of nstk
  75: 
  76:         width=*1                ;define for auto lf on poport
  77: 
  78:         smlint=*01              ;if one, allow smallints
  79: 
  80:         natom=2                 ;type codes
  81: 
  82:         ndtpr=1
  83: 
  84:         nwd=0
  85: 
  86:         nbcd=3
  87: 
  88:         nport=4
  89: 
  90:         npresc=*^d48            ;name stack reserve
  91: 
  92:         nilas0=*1               ;1 for nil to be 0
  93:                                 ;should be left on!!!
  94: 
  95:         nilas0=*nilas0!multiseg ;no choice under multiseg
  96: 
  97:         fpsim=*0                ;0  for hardware 11/45,1 for  software
  98: 
  99:         brksig=* 2.             ;signal used for break...
 100:                                 ;used when gc has no space, and
 101:                                 ;allows user to specify return to top level
 102:                                 ;if is zero, then no break, but immediate top
 103:                                 ;level....
 104: 
 105:         jcbms=* 01              ;john  c    burrus   memorial
 106:                                 ;switch (bframe subr)
 107: 
 108: ;;;;	gctrace=*1		;define for gcol messages...
 109: 
 110: ;;;;	notrap=*1		;define    for   trap elimination
 111: 
 112:         gcrec=* 01              ;0 for exit on gcol overflow...
 113:                                 ;1 for attempt at recovery
 114: 
 115:         bell411=*1              ;0 for harvard 411 i&d (what's that?)
 116:                                 ;harv 411 hasn't been around since Version 5!
 117:                                 ;## s. dyer comment 3/4/81
 118:                                 ;1 for bell 411 i&d
 119: 
 120:         xfer=* 0                ;0 for almost all uses
 121:                                 ;1 for harvard enviroment xfer project
 122:                                 ;which never came to be (always 0)
 123: 
 124:         prvispace=*00           ;0 for shareable i-space,1 for private
 125:                                 ;this switch is not usefull at the moment
 126: 
 127:         version7 =* 1           ;1 for Version 7 (uses long seeks)
 128:                                 ;0 for V6/PWB
 129:                                 ;## s. dyer 3/4/81
 130: 
 131:  .if    ne,bell411!xfer
 132:         privispace=*0           ;no choice for v6 or transfer
 133:  .endc