--- gforth/kernel/vars.fs 2006/01/31 15:25:44 1.37 +++ gforth/kernel/vars.fs 2007/02/23 22:33:22 1.45 @@ -1,6 +1,6 @@ \ VARS.FS Kernal variables -\ Copyright (C) 1995,1996,1997,1998,2000,2003 Free Software Foundation, Inc. +\ Copyright (C) 1995,1996,1997,1998,2000,2003,2006 Free Software Foundation, Inc. \ This file is part of Gforth. @@ -46,17 +46,22 @@ has? floating [IF] \G @i{c-char} is the character value for a space. \ used by docon:, must be constant -FF Constant /line +has? EC [IF] 40 [ELSE] FF [THEN] Constant /line +has? file [IF] 40 Constant c/l 10 Constant l/s 400 Constant chars/block +[THEN] 20 8 2* cells + 2 + cell+ constant word-pno-size ( -- u ) + +has? EC 0= [IF] create holdbuf word-pno-size chars allot holdbuf word-pno-size chars + aconstant holdbuf-end avariable holdptr holdbuf-end holdptr a! avariable holdend holdbuf-end holdend a! +[THEN] 84 constant pad-minsize ( -- u ) @@ -69,6 +74,7 @@ $400 Value def#tib \ initialized by COLD +has? no-userspace 0= [IF] Create main-task has? OS [IF] 100 [ELSE] 40 [THEN] cells dup allot \ set user-pointer from cross-compiler right @@ -81,15 +87,16 @@ Variable udp ( -- a-addr ) \ gforth AUser next-task main-task next-task ! AUser prev-task main-task prev-task ! AUser save-task 0 save-task ! +[THEN] AUser sp0 ( -- a-addr ) \ gforth \G @code{User} variable -- initial value of the data stack pointer. \ sp0 is used by douser:, must be user - ' sp0 Alias s0 ( -- a-addr ) \ gforth +\ ' sp0 Alias s0 ( -- a-addr ) \ gforth \G OBSOLETE alias of @code{sp0} AUser rp0 ( -- a-addr ) \ gforth \G @code{User} variable -- initial value of the return stack pointer. - ' rp0 Alias r0 ( -- a-addr ) \ gforth +\ ' rp0 Alias r0 ( -- a-addr ) \ gforth \G OBSOLETE alias of @code{rp0} has? floating [IF] @@ -101,13 +108,12 @@ AUser fp0 ( -- a-addr ) \ gforth has? glocals [IF] AUser lp0 ( -- a-addr ) \ gforth \G @code{User} variable -- initial value of the locals stack pointer. - ' lp0 Alias l0 ( -- a-addr ) \ gforth +\ ' lp0 Alias l0 ( -- a-addr ) \ gforth \G OBSOLETE alias of @code{lp0} [THEN] AUser handler \ pointer to last throw frame has? backtrace [IF] -User backtrace-empty \ true if the next THROW should store a backtrace AUser backtrace-rp0 \ rp at last call of interpret [THEN] \ AUser output @@ -161,8 +167,10 @@ has? file [IF] User base ( -- a-addr ) \ core -\G @code{User} variable -- @i{a-addr} is the address of a cell that stores the -\G number base used by default for number conversion during input and output. +\G @code{User} variable -- @i{a-addr} is the address of a cell that +\G stores the number base used by default for number conversion during +\G input and output. Don't store to @code{base}, use +\G @code{base-execute} instead. A base ! User dpl ( -- a-addr ) \ gforth \G @code{User} variable -- @i{a-addr} is the address of a cell that stores the @@ -195,6 +203,12 @@ AUser dpp normal-dp dpp ! AUser LastCFA AUser Last +has? flash [IF] + AUser flash-dp + : rom flash-dp dpp ! ; + : ram normal-dp dpp ! ; +[THEN] + User max-name-length \ maximum length of all names defined yet 32 max-name-length !