version 1.17, 1999/05/06 21:33:37
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version 1.20, 1999/12/03 18:49:52
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Line 26 hex \ everything now hex!
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Line 26 hex \ everything now hex!
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\ "a true flag ... [is] a single-cell value with all bits set" |
\ "a true flag ... [is] a single-cell value with all bits set" |
\ better definition: 0 0= constant true ( no dependence on 2's compl) |
\ better definition: 0 0= constant true ( no dependence on 2's compl) |
-1 Constant true ( -- f ) \ core-ext |
-1 Constant true ( -- f ) \ core-ext |
\G CONSTANT: @i{f} is a cell with all bits set. |
\G @code{Constant} -- @i{f} is a cell with all bits set. |
\ see starts looking for primitives after this word! |
\ see starts looking for primitives after this word! |
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0 Constant false ( -- f ) \ core-ext |
0 Constant false ( -- f ) \ core-ext |
\G CONSTANT: @i{f} is a cell with all bits clear. |
\G @code{Constant} -- @i{f} is a cell with all bits clear. |
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[IFUNDEF] cell |
[IFUNDEF] cell |
1 cells Constant cell ( -- u ) \ gforth |
1 cells Constant cell ( -- u ) \ gforth |
\G CONSTANT: the number of address units corresponding to 1 cell. |
\G @code{Constant} -- the number of address units corresponding to 1 cell. |
[THEN] |
[THEN] |
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1 floats Constant float ( -- u ) \ gforth |
1 floats Constant float ( -- u ) \ gforth |
\G CONSTANT: the number of address units corresponding to a floating-point number. |
\G @code{Constant} -- the number of address units corresponding to a floating-point number. |
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20 Constant bl ( -- c-char ) \ core |
20 Constant bl ( -- c-char ) \ core b-l |
\G @i{c-char} is the character value for a space. |
\G @i{c-char} is the character value for a space. |
\ used by docon:, must be constant |
\ used by docon:, must be constant |
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Line 50 FF Constant /line
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Line 50 FF Constant /line
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10 Constant l/s |
10 Constant l/s |
400 Constant chars/block |
400 Constant chars/block |
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$20 8 2* cells + 2 + cell+ constant word-pno-size ( -- u ) |
20 8 2* cells + 2 + cell+ constant word-pno-size ( -- u ) |
create holdbuf word-pno-size chars allot |
create holdbuf word-pno-size chars allot |
holdbuf word-pno-size chars + aconstant holdbuf-end |
holdbuf word-pno-size chars + aconstant holdbuf-end |
avariable holdptr holdbuf-end holdptr a! |
avariable holdptr holdbuf-end holdptr a! |
Line 71 Create main-task has? OS [IF] 100 [ELSE
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Line 71 Create main-task has? OS [IF] 100 [ELSE
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main-task |
main-task |
UNLOCK tup ! LOCK |
UNLOCK tup ! LOCK |
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Variable udp \ user area size? -anton |
Variable udp ( -- a-addr ) \ gforth |
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\ user area size? -anton |
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AUser next-task main-task next-task ! |
AUser next-task main-task next-task ! |
AUser prev-task main-task prev-task ! |
AUser prev-task main-task prev-task ! |
AUser save-task 0 save-task ! |
AUser save-task 0 save-task ! |
AUser sp0 ( -- a-addr ) \ gforth |
AUser sp0 ( -- a-addr ) \ gforth |
\G USER VARIABLE: Initial value of the data stack pointer. |
\G @code{User} variable -- initial value of the data stack pointer. |
\ sp0 is used by douser:, must be user |
\ 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} |
\G OBSOLETE alias of @code{sp0} |
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AUser rp0 ( -- a-addr ) \ gforth |
AUser rp0 ( -- a-addr ) \ gforth |
\G USER VARIABLE: Initial value of the return stack pointer. |
\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} |
\G OBSOLETE alias of @code{rp0} |
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AUser fp0 ( -- a-addr ) \ gforth |
AUser fp0 ( -- a-addr ) \ gforth |
\G USER VARIABLE: Initial value of the floating-point stack pointer. |
\G @code{User} variable -- initial value of the floating-point stack pointer. |
\ no f0, because this leads to unexpected results when using hex |
\ no f0, because this leads to unexpected results when using hex |
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AUser lp0 ( -- a-addr ) \ gforth |
AUser lp0 ( -- a-addr ) \ gforth |
\G USER VARIABLE: Initial value of the locals stack pointer. |
\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} |
\G OBSOLETE alias of @code{lp0} |
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AUser handler \ pointer to last throw frame |
AUser handler \ pointer to last throw frame |
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has? backtrace [IF] |
User backtrace-empty \ true if the next THROW should store a backtrace |
User backtrace-empty \ true if the next THROW should store a backtrace |
AUser backtrace-rp0 \ rp at last call of interpret |
AUser backtrace-rp0 \ rp at last call of interpret |
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[THEN] |
\ AUser output |
\ AUser output |
\ AUser input |
\ AUser input |
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Line 109 AUser "error 0 "error !
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Line 112 AUser "error 0 "error !
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[IFUNDEF] #tib \ in ec-Version we may define this ourself |
[IFUNDEF] #tib \ in ec-Version we may define this ourself |
User tibstack \ saves >tib in execute |
User tibstack \ saves >tib in execute |
User >tib \ pointer to terminal input buffer |
User >tib \ pointer to terminal input buffer |
User #tib ( -- a-addr ) \ core-ext |
User #tib ( -- a-addr ) \ core-ext number-t-i-b |
\G USER VARIABLE: @i{a-addr} is the address of a cell containing |
\G @code{User} variable -- @i{a-addr} is the address of a cell containing |
\G the number of characters in the terminal input buffer. |
\G the number of characters in the terminal input buffer. |
\G OBSOLESCENT: @code{source} superceeds the function of this word. |
\G OBSOLESCENT: @code{source} superceeds the function of this word. |
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User >in ( -- a-addr ) \ core |
User >in ( -- a-addr ) \ core to-in |
\G USER VARIABLE: @i{a-addr} is the address of a cell containing the |
\G @code{User} variable -- @i{a-addr} is the address of a cell containing the |
\G char offset from the start of the input buffer to the start of the |
\G char offset from the start of the input buffer to the start of the |
\G parse area. |
\G parse area. |
0 >in ! \ char number currently processed in tib |
0 >in ! \ char number currently processed in tib |
[THEN] |
[THEN] |
has? file [IF] |
has? file [IF] |
User blk ( -- a-addr ) \ block |
User blk ( -- a-addr ) \ block b-l-k |
\G USER VARIABLE: @i{a-addr} is the address of a cell containing zero |
\G @code{User} variable -- @i{a-addr} is the address of a cell containing zero |
\G (in which case the input source is not a block and can be identified |
\G (in which case the input source is not a block and can be identified |
\G by @code{source-id}) or the number of the block currently being |
\G by @code{source-id}) or the number of the block currently being |
\G interpreted. A Standard program should not alter @code{blk} directly. |
\G interpreted. A Standard program should not alter @code{blk} directly. |
Line 142 has? file [IF]
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Line 145 has? file [IF]
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[THEN] |
[THEN] |
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User base ( -- a-addr ) \ core |
User base ( -- a-addr ) \ core |
\G USER VARIABLE: @i{a-addr} is the address of a cell that stores the |
\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 number base used by default for number conversion during input and output. |
A base ! |
A base ! |
User dpl ( -- a-addr ) \ gforth |
User dpl ( -- a-addr ) \ gforth |
\G USER VARIABLE: @i{a-addr} is the address of a cell that stores the |
\G @code{User} variable -- @i{a-addr} is the address of a cell that stores the |
\G position of the decimal point in the most recent numeric conversion. |
\G position of the decimal point in the most recent numeric conversion. |
\G Initialised to -1. After the conversion of a number containing no |
\G Initialised to -1. After the conversion of a number containing no |
\G decimal point, @code{@ dpl} is -1. After the conversion of @code{2.} it holds |
\G decimal point, @code{@ dpl} is -1. After the conversion of @code{2.} it holds |
Line 154 has? file [IF]
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Line 157 has? file [IF]
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-1 dpl ! |
-1 dpl ! |
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User state ( -- a-addr ) \ core,tools-ext |
User state ( -- a-addr ) \ core,tools-ext |
\G USER VARIABLE: @i{a-addr} is the address of a cell containing the |
\G @code{User} variable -- @i{a-addr} is the address of a cell containing the |
\G compilation state flag. 0 => interpreting, -1 => compiling. A |
\G compilation state flag. 0 => interpreting, -1 => compiling. A |
\G program shall not directly alter the value of @code{state}. The |
\G program shall not directly alter the value of @code{state}. The |
\G following Standard words alter the value in @code{state}: @code{:} |
\G following Standard words alter the value in @code{state}: @code{:} |