version 1.57, 1998/10/25 23:15:46
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version 1.74, 1999/05/05 18:07:51
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\ CROSS.FS The Cross-Compiler 06oct92py |
\ CROSS.FS The Cross-Compiler 06oct92py |
\ Idea and implementation: Bernd Paysan (py) |
\ Idea and implementation: Bernd Paysan (py) |
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\ Copyright (C) 1995 Free Software Foundation, Inc. |
\ Copyright (C) 1995,1996,1997,1998,1999 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
\ This file is part of Gforth. |
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Line 19
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Line 19
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\ along with this program; if not, write to the Free Software |
\ along with this program; if not, write to the Free Software |
\ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
\ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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\ Log: |
0 |
\ changed in ; [ to state off 12may93jaw |
[IF] |
\ included place +place 12may93jaw |
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\ for a created word (variable, constant...) |
ToDo: |
\ is now an alias in the target voabulary. |
Crossdoc destination ./doc/crossdoc.fd makes no sense when |
\ this means it is no longer necessary to |
cross.fs is uses seperately. jaw |
\ switch between vocabularies for variable |
Do we need this char translation with >address and in branchoffset? |
\ initialization 12may93jaw |
(>body also affected) jaw |
\ discovered error in DOES> |
Clean up mark> and >resolve stuff jaw |
\ replaced !does with (;code) 16may93jaw |
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\ made complete redesign and |
[THEN] |
\ introduced two vocs method |
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\ to be asure that the right words |
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\ are found 08jun93jaw |
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\ btw: ! works not with 16 bit |
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\ targets 09jun93jaw |
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\ added: 2user and value 11jun93jaw |
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\ needed? works better now!!! 01mar97jaw |
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\ mach file is only loaded into target |
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\ cell corrected |
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\ romable extansions 27apr97-5jun97jaw |
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\ environmental query support 01sep97jaw |
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\ added own [IF] ... [ELSE] ... [THEN] 14sep97jaw |
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\ extra resolver for doers 20sep97jaw |
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\ added killref for DOES> 20sep97jaw |
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hex \ the defualt base for the cross-compiler is hex !! |
hex \ the defualt base for the cross-compiler is hex !! |
Line 52 Warnings off
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Line 37 Warnings off
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\ words that are generaly useful |
\ words that are generaly useful |
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: KB 400 * ; |
: >wordlist ( vocabulary-xt -- wordlist-struct ) |
: >wordlist ( vocabulary-xt -- wordlist-struct ) |
also execute get-order swap >r 1- set-order r> ; |
also execute get-order swap >r 1- set-order r> ; |
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Line 66 Warnings off
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Line 52 Warnings off
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\G Same behaviour as "Value" if the <name> is not defined |
\G Same behaviour as "Value" if the <name> is not defined |
\G Same behaviour as "to" if <name> is defined |
\G Same behaviour as "to" if <name> is defined |
\G SetValue searches in the current vocabulary |
\G SetValue searches in the current vocabulary |
save-input bl word >r restore-input throw r> count |
save-input bl word >r restore-input throw r> count |
get-current search-wordlist |
get-current search-wordlist |
IF ['] to execute ELSE Value THEN ; |
IF drop >r |
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\ we have to set current to be topmost context wordlist |
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get-order get-order get-current swap 1+ set-order |
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r> ['] to execute |
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set-order |
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ELSE Value THEN ; |
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: DefaultValue ( n -- <name> ) |
: DefaultValue ( n -- <name> ) |
\G Same behaviour as "Value" if the <name> is not defined |
\G Same behaviour as "Value" if the <name> is not defined |
Line 127 also forth definitions \ these values m
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Line 118 also forth definitions \ these values m
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false DefaultValue stack-warn \ check on empty stack at any definition |
false DefaultValue stack-warn \ check on empty stack at any definition |
false DefaultValue create-forward-warn \ warn on forward declaration of created words |
false DefaultValue create-forward-warn \ warn on forward declaration of created words |
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[IFUNDEF] DebugMaskSrouce Variable DebugMaskSource 0 DebugMaskSource ! [THEN] |
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[IFUNDEF] DebugMaskCross Variable DebugMaskCross 0 DebugMaskCross ! [THEN] |
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previous >CROSS |
previous >CROSS |
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Line 152 stack-warn [IF]
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Line 144 stack-warn [IF]
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: defempty? ; immediate |
: defempty? ; immediate |
[THEN] |
[THEN] |
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\ debugging |
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0 [IF] |
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This implements debugflags for the cross compiler and the compiled |
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images. It works identical to the has-flags in the environment. |
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The debugflags are defined in a vocabluary. If the word exists and |
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its value is true, the flag is switched on. |
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[THEN] |
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Vocabulary debugflags \ debug flags for cross |
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also debugflags get-order over |
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Constant debugflags-wl |
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set-order previous |
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: DebugFlag |
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get-current >r debugflags-wl set-current |
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SetValue |
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r> set-current ; |
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: Debug? ( adr u -- flag ) |
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\G return true if debug flag is defined or switched on |
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debugflags-wl search-wordlist |
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IF EXECUTE |
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ELSE false THEN ; |
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: D? ( <name> -- flag ) |
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\G return true if debug flag is defined or switched on |
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\G while compiling we do not return the current value but |
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bl word count debug? ; |
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: [d?] |
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\G compile the value-xt so the debug flag can be switched |
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\G the flag must exist! |
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bl word count debugflags-wl search-wordlist |
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IF compile, |
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ELSE -1 ABORT" unknown debug flag" |
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\ POSTPONE false |
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THEN ; immediate |
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\ \ GhostNames Ghosts 9may93jaw |
\ \ GhostNames Ghosts 9may93jaw |
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Line 281 VARIABLE env-current \ save information
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Line 312 VARIABLE env-current \ save information
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>TARGET |
>TARGET |
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: environment? |
: environment? ( adr len -- [ x ] true | false ) |
target-environment search-wordlist |
target-environment search-wordlist |
IF execute true ELSE false THEN ; |
IF execute true ELSE false THEN ; |
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: e? name T environment? H 0= ABORT" environment variable not defined!" ; |
: e? bl word count T environment? H 0= ABORT" environment variable not defined!" ; |
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: has? name T environment? H |
: has? bl word count T environment? H |
IF \ environment variable is present, return its value |
IF \ environment variable is present, return its value |
ELSE \ environment variable is not present, return false |
ELSE \ environment variable is not present, return false |
\ !! JAW abort is just for testing |
\ !! JAW abort is just for testing |
Line 302 true SetValue cross
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Line 333 true SetValue cross
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true SetValue standard-threading |
true SetValue standard-threading |
>TARGET previous |
>TARGET previous |
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mach-file count included hex |
mach-file count included hex |
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>ENVIRON |
>ENVIRON |
Line 323 false DefaultValue header
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Line 355 false DefaultValue header
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true DefaultValue interpreter |
true DefaultValue interpreter |
true DefaultValue ITC |
true DefaultValue ITC |
false DefaultValue rom |
false DefaultValue rom |
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true DefaultValue standardthreading |
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>TARGET |
>TARGET |
s" relocate" T environment? H |
s" relocate" T environment? H |
Line 334 s" relocate" T environment? H
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Line 367 s" relocate" T environment? H
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\ \ Create additional parameters 19jan95py |
\ \ Create additional parameters 19jan95py |
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1 8 lshift Constant maxbyte |
\ currently cross only works for host machines with address-unit-bits |
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\ eual to 8 because of s! and sc! |
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\ but I start to query the environment just to modularize a little bit |
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: check-address-unit-bits ( -- ) |
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\ s" ADDRESS-UNIT-BITS" environment? |
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\ IF 8 <> ELSE true THEN |
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\ ABORT" ADDRESS-UNIT-BITS unknown or not equal to 8!" |
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\ shit, this doesn't work because environment? is only defined for |
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\ gforth.fi and not kernl???.fi |
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; |
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check-address-unit-bits |
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8 Constant bits/byte \ we define: byte is address-unit |
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1 bits/byte lshift Constant maxbyte |
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\ this sets byte size for the target machine, an (probably right guess) jaw |
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T |
T |
NIL Constant TNIL |
NIL Constant TNIL |
cell Constant tcell |
cell Constant tcell |
cell<< Constant tcell<< |
cell<< Constant tcell<< |
cell>bit Constant tcell>bit |
cell>bit Constant tcell>bit |
bits/byte Constant tbits/byte |
bits/char Constant tbits/char |
bits/byte 8 / Constant tchar |
bits/char H bits/byte T / |
float Constant tfloat |
Constant tchar |
1 bits/byte lshift Constant tmaxbyte |
float Constant tfloat |
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1 bits/char lshift Constant tmaxchar |
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[IFUNDEF] bits/byte |
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8 Constant tbits/byte |
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[ELSE] |
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bits/byte Constant tbits/byte |
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[THEN] |
H |
H |
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tbits/byte bits/byte / Constant tbyte |
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\ Variables 06oct92py |
\ Variables 06oct92py |
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Line 359 Variable bit$
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Line 418 Variable bit$
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Variable headers-named 0 headers-named ! |
Variable headers-named 0 headers-named ! |
Variable user-vars 0 user-vars ! |
Variable user-vars 0 user-vars ! |
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\ Memory initialisation 05dec92py |
: target>bitmask-size ( u1 -- u2 ) |
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1- tcell>bit rshift 1+ ; |
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[IFDEF] Memory \ Memory is a bigFORTH feature |
: allocatetarget ( size --- adr ) |
also Memory |
dup allocate ABORT" CROSS: No memory for target" |
: initmem ( var len -- ) |
swap over swap erase ; |
2dup swap handle! >r @ r> erase ; |
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toss |
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[ELSE] |
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: initmem ( var len -- ) |
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tuck allocate abort" CROSS: No memory for target" |
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( len var adr ) dup rot ! |
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( len adr ) swap erase ; |
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[THEN] |
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\ MakeKernal 12dec92py |
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: makekernel ( targetsize -- targetsize ) |
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bit$ over 1- tcell>bit rshift 1+ initmem |
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image over initmem ; |
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>MINIMAL |
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: makekernel makekernel ; |
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>CROSS |
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\ \ memregion.fs |
\ \ memregion.fs |
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Line 394 Variable mirrored-link \ linked
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Line 434 Variable mirrored-link \ linked
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0 dup mirrored-link ! region-link ! |
0 dup mirrored-link ! region-link ! |
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: >rname 6 cells + ; |
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: >rbm 5 cells + ; |
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: >rmem 4 cells + ; |
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: >rlink 3 cells + ; |
: >rdp 2 cells + ; |
: >rdp 2 cells + ; |
: >rlen cell+ ; |
: >rlen cell+ ; |
: >rstart ; |
: >rstart ; |
Line 407 Variable mirrored-link \ linked
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Line 451 Variable mirrored-link \ linked
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save-input create restore-input throw |
save-input create restore-input throw |
here last-defined-region ! |
here last-defined-region ! |
over ( startaddr ) , ( length ) , ( dp ) , |
over ( startaddr ) , ( length ) , ( dp ) , |
region-link linked name string, |
region-link linked 0 , 0 , bl word count string, |
ELSE \ store new parameters in region |
ELSE \ store new parameters in region |
bl word drop |
bl word drop |
>body >r r@ last-defined-region ! |
>body >r r@ last-defined-region ! |
r@ cell+ ! dup r@ ! r> 2 cells + ! |
r@ >rlen ! dup r@ >rstart ! r> >rdp ! |
THEN ; |
THEN ; |
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: borders ( region -- startaddr endaddr ) \G returns lower and upper region border |
: borders ( region -- startaddr endaddr ) \G returns lower and upper region border |
dup @ swap cell+ @ over + ; |
dup >rstart @ swap >rlen @ over + ; |
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: extent ( region -- startaddr len ) \G returns the really used area |
: extent ( region -- startaddr len ) \G returns the really used area |
dup @ swap 2 cells + @ over - ; |
dup >rstart @ swap >rdp @ over - ; |
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: area ( region -- startaddr totallen ) \G returns the total area |
: area ( region -- startaddr totallen ) \G returns the total area |
dup @ swap cell+ @ ; |
dup >rstart swap >rlen @ ; |
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: mirrored \G mark a region as mirrored |
: mirrored \G mark a region as mirrored |
mirrored-link |
mirrored-link |
linked last-defined-region @ , ; |
align linked last-defined-region @ , ; |
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: .addr |
: .addr ( u -- ) |
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\G prints a 16 or 32 Bit nice hex value |
base @ >r hex |
base @ >r hex |
tcell 2 u> |
tcell 2 u> |
IF s>d <# # # # # '. hold # # # # #> type |
IF s>d <# # # # # '. hold # # # # #> type |
Line 441 Variable mirrored-link \ linked
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Line 486 Variable mirrored-link \ linked
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0 region-link @ |
0 region-link @ |
BEGIN dup WHILE dup @ REPEAT drop |
BEGIN dup WHILE dup @ REPEAT drop |
BEGIN dup |
BEGIN dup |
WHILE cr 3 cells - >r |
WHILE cr |
r@ 4 cells + count tuck type |
0 >rlink - >r |
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r@ >rname count tuck type |
12 swap - 0 max spaces space |
12 swap - 0 max spaces space |
." Start: " r@ @ dup .addr space |
." Start: " r@ >rstart @ dup .addr space |
." End: " r@ 1 cells + @ + .addr space |
." End: " r@ >rlen @ + .addr space |
." DP: " r> 2 cells + @ .addr |
." DP: " r> >rdp @ .addr |
REPEAT drop |
REPEAT drop |
s" rom" T $has? H 0= ?EXIT |
s" rom" T $has? H 0= ?EXIT |
cr ." Mirrored:" |
cr ." Mirrored:" |
mirrored-link @ |
mirrored-link @ |
BEGIN dup |
BEGIN dup |
WHILE space dup cell+ @ 4 cells + count type @ |
WHILE space dup cell+ @ >rname count type @ |
REPEAT drop cr |
REPEAT drop cr |
; |
; |
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Line 484 T has? rom H
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Line 530 T has? rom H
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: setup-target ( -- ) \G initialize targets memory space |
: setup-target ( -- ) \G initialize targets memory space |
s" rom" T $has? H |
s" rom" T $has? H |
IF \ check for ram and rom... |
IF \ check for ram and rom... |
address-space area nip |
\ address-space area nip 0<> |
ram-dictionary area nip |
ram-dictionary area nip 0<> |
rom-dictionary area nip |
rom-dictionary area nip 0<> |
and and 0= |
and 0= |
ABORT" CROSS: define address-space, rom- , ram-dictionary, with rom-support!" |
ABORT" CROSS: define address-space, rom- , ram-dictionary, with rom-support!" |
THEN |
THEN |
address-space area nip |
address-space area nip |
Line 496 T has? rom H
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Line 542 T has? rom H
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ELSE |
ELSE |
dictionary area |
dictionary area |
THEN |
THEN |
dup 0= |
nip 0= |
ABORT" CROSS: define at least address-space or dictionary!!" |
ABORT" CROSS: define at least address-space or dictionary!!" |
+ makekernel drop ; |
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\ allocate target for each region |
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region-link |
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BEGIN @ dup |
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WHILE dup |
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0 >rlink - >r |
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r@ >rlen @ |
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IF \ allocate mem |
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r@ >rlen @ dup |
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allocatetarget dup image ! |
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r@ >rmem ! |
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target>bitmask-size allocatetarget |
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dup bit$ ! |
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r> >rbm ! |
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ELSE r> drop THEN |
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REPEAT drop ; |
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\ MakeKernal 22feb99jaw |
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: makekernel ( targetsize -- targetsize ) |
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dup dictionary >rlen ! setup-target ; |
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>MINIMAL |
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: makekernel makekernel ; |
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>CROSS |
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\ \ switched tdp for rom support 03jun97jaw |
\ \ switched tdp for rom support 03jun97jaw |
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Line 534 variable fixed \ flag: true: no automat
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Line 607 variable fixed \ flag: true: no automat
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variable constflag constflag off |
variable constflag constflag off |
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: activate ( region -- ) |
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\G next code goes to this region |
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>rdp to tdp ; |
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: (switchram) |
: (switchram) |
fixed @ ?EXIT s" rom" T $has? H 0= ?EXIT |
fixed @ ?EXIT s" rom" T $has? H 0= ?EXIT |
ram-dictionary >rdp to tdp ; |
ram-dictionary activate ; |
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: switchram |
: switchram |
constflag @ |
constflag @ |
IF constflag off ELSE (switchram) THEN ; |
IF constflag off ELSE (switchram) THEN ; |
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: switchrom |
: switchrom |
fixed @ ?EXIT rom-dictionary >rdp to tdp ; |
fixed @ ?EXIT rom-dictionary activate ; |
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: >tempdp ( addr -- ) |
: >tempdp ( addr -- ) |
tdp tempdp-save ! tempdp to tdp tdp ! ; |
tdp tempdp-save ! tempdp to tdp tdp ! ; |
Line 559 variable constflag constflag off
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Line 636 variable constflag constflag off
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\ : romstart dup sromdp ! romdp ! ; |
\ : romstart dup sromdp ! romdp ! ; |
\ : ramstart dup sramdp ! ramdp ! ; |
\ : ramstart dup sramdp ! ramdp ! ; |
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\ default compilation goed to rom |
\ default compilation goes to rom |
\ when romable support is off, only the rom switch is used (!!) |
\ when romable support is off, only the rom switch is used (!!) |
>auto |
>auto |
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Line 573 variable constflag constflag off
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Line 650 variable constflag constflag off
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: cell+ tcell + ; |
: cell+ tcell + ; |
: cells tcell<< lshift ; |
: cells tcell<< lshift ; |
: chars ; |
: chars tchar * ; |
: char+ 1 + ; |
: char+ tchar + ; |
: floats tfloat * ; |
: floats tfloat * ; |
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>CROSS |
>CROSS |
Line 606 bigendian
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Line 683 bigendian
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DO maxbyte * swap maxbyte um* rot + swap I c@ + swap -1 +LOOP d>s ; |
DO maxbyte * swap maxbyte um* rot + swap I c@ + swap -1 +LOOP d>s ; |
[THEN] |
[THEN] |
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>CROSS |
: taddr>region ( taddr -- region | 0 ) |
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\G finds for a target-address the correct region |
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\G returns 0 if taddr is not in range of a target memory region |
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region-link |
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BEGIN @ dup |
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WHILE dup >r |
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0 >rlink - >r |
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r@ >rlen @ |
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IF dup r@ borders within |
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IF r> r> drop nip EXIT THEN |
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THEN |
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r> drop |
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r> |
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REPEAT |
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2drop 0 ; |
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: (>regionimage) ( taddr -- 'taddr ) |
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dup |
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\ find region we want to address |
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taddr>region dup 0= ABORT" Address out of range!" |
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>r |
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\ calculate offset in region |
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r@ >rstart @ - |
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\ add regions real address in our memory |
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r> >rmem @ + ; |
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\ Bit string manipulation 06oct92py |
\ Bit string manipulation 06oct92py |
\ 9may93jaw |
\ 9may93jaw |
CREATE Bittable 80 c, 40 c, 20 c, 10 c, 8 c, 4 c, 2 c, 1 c, |
CREATE Bittable 80 c, 40 c, 20 c, 10 c, 8 c, 4 c, 2 c, 1 c, |
Line 615 CREATE Bittable 80 c, 40 c, 20 c, 10 c,
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Line 717 CREATE Bittable 80 c, 40 c, 20 c, 10 c,
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: >bit ( addr n -- c-addr mask ) 8 /mod rot + swap bits ; |
: >bit ( addr n -- c-addr mask ) 8 /mod rot + swap bits ; |
: +bit ( addr n -- ) >bit over c@ or swap c! ; |
: +bit ( addr n -- ) >bit over c@ or swap c! ; |
: -bit ( addr n -- ) >bit invert over c@ and swap c! ; |
: -bit ( addr n -- ) >bit invert over c@ and swap c! ; |
: relon ( taddr -- ) bit$ @ swap cell/ +bit ; |
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: reloff ( taddr -- ) bit$ @ swap cell/ -bit ; |
: (relon) ( taddr -- ) bit$ @ swap cell/ +bit ; |
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: (reloff) ( taddr -- ) bit$ @ swap cell/ -bit ; |
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: (>image) ( taddr -- absaddr ) image @ + ; |
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DEFER >image |
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DEFER relon |
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DEFER reloff |
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DEFER correcter |
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T has? relocate H |
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[IF] |
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' (relon) IS relon |
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' (reloff) IS reloff |
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' (>image) IS >image |
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[ELSE] |
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' drop IS relon |
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' drop IS reloff |
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' (>regionimage) IS >image |
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[THEN] |
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\ Target memory access 06oct92py |
\ Target memory access 06oct92py |
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Line 634 CREATE Bittable 80 c, 40 c, 20 c, 10 c,
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Line 755 CREATE Bittable 80 c, 40 c, 20 c, 10 c,
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\ see kernel.fs |
\ see kernel.fs |
dup cfalign+ + ; |
dup cfalign+ + ; |
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>CROSS |
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: >image ( taddr -- absaddr ) image @ + ; |
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>TARGET |
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: @ ( taddr -- w ) >image S@ ; |
: @ ( taddr -- w ) >image S@ ; |
: ! ( w taddr -- ) >image S! ; |
: ! ( w taddr -- ) >image S! ; |
: c@ ( taddr -- char ) >image Sc@ ; |
: c@ ( taddr -- char ) >image Sc@ ; |
Line 651 CREATE Bittable 80 c, 40 c, 20 c, 10 c,
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Line 769 CREATE Bittable 80 c, 40 c, 20 c, 10 c,
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: allot ( n -- ) tdp +! ; |
: allot ( n -- ) tdp +! ; |
: , ( w -- ) T here H tcell T allot ! H T here drop H ; |
: , ( w -- ) T here H tcell T allot ! H T here drop H ; |
: c, ( char -- ) T here tchar allot c! H ; |
: c, ( char -- ) T here tchar allot c! H ; |
: align ( -- ) T here H align+ 0 ?DO bl T c, H LOOP ; |
: align ( -- ) T here H align+ 0 ?DO bl T c, tchar H +LOOP ; |
: cfalign ( -- ) |
: cfalign ( -- ) |
T here H cfalign+ 0 ?DO bl T c, H LOOP ; |
T here H cfalign+ 0 ?DO bl T c, tchar H +LOOP ; |
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: A! dup relon T ! H ; |
: >address dup 0>= IF tbyte / THEN ; \ ?? jaw |
: A, ( w -- ) T here H relon T , H ; |
: A! swap >address swap dup relon T ! H ; |
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: A, ( w -- ) >address T here H relon T , H ; |
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>CROSS |
>CROSS |
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Line 666 CREATE Bittable 80 c, 40 c, 20 c, 10 c,
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Line 785 CREATE Bittable 80 c, 40 c, 20 c, 10 c,
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?DO dup T c@ H I T c! H 1+ |
?DO dup T c@ H I T c! H 1+ |
tchar +LOOP drop ; |
tchar +LOOP drop ; |
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\ \ Load Assembler |
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>TARGET |
>TARGET |
H also Forth definitions \ ." asm: " order |
H also Forth definitions |
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: X also target bl word find |
: X also target bl word find |
IF state @ IF compile, |
IF state @ IF compile, |
Line 763 DEFER comp[ \ ends compilation
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Line 884 DEFER comp[ \ ends compilation
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: >fl-name 2 cells + ; |
: >fl-name 2 cells + ; |
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Variable filelist 0 filelist ! |
Variable filelist 0 filelist ! |
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Create NoFile ," #load-file#" |
0 Value filemem |
0 Value filemem |
: loadfile filemem >fl-name ; |
: loadfile FileMem ?dup IF >fl-name ELSE NoFile THEN ; |
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1 [IF] \ !! JAW WIP |
1 [IF] \ !! JAW WIP |
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Line 784 Variable filelist 0 filelist !
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Line 906 Variable filelist 0 filelist !
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REPEAT |
REPEAT |
2drop drop false ; |
2drop drop false ; |
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false DebugFlag showincludedfiles |
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: included |
: included |
\ cr ." Including: " 2dup type ." ..." |
[d?] showincludedfiles |
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IF cr ." Including: " 2dup type ." ..." THEN |
FileMem >r |
FileMem >r |
2dup add-included-file included |
2dup add-included-file included |
r> to FileMem ; |
r> to FileMem ; |
Line 1115 NoHeaderFlag off
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Line 1240 NoHeaderFlag off
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IF NoHeaderFlag off |
IF NoHeaderFlag off |
ELSE |
ELSE |
T align H view, |
T align H view, |
tlast @ dup 0> IF T 1 cells - THEN A, H there tlast ! |
tlast @ dup 0> IF T 1 cells - H THEN T A, H there tlast ! |
1 headers-named +! \ Statistic |
1 headers-named +! \ Statistic |
>in @ T name, H >in ! |
>in @ T name, H >in ! |
THEN |
THEN |
Line 1161 VARIABLE ;Resolve 1 cells allot
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Line 1286 VARIABLE ;Resolve 1 cells allot
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.sourcepos ." needs doer: " >in @ bl word count type >in ! cr |
.sourcepos ." needs doer: " >in @ bl word count type >in ! cr |
THEN |
THEN |
ghost tuck swap resolve <do:> swap >magic ! ; |
ghost tuck swap resolve <do:> swap >magic ! ; |
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Variable prim# |
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: first-primitive ( n -- ) prim# ! ; |
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: Primitive ( -- ) \ name |
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prim# @ T Alias H -1 prim# +! ; |
>CROSS |
>CROSS |
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\ Conditionals and Comments 11may93jaw |
\ Conditionals and Comments 11may93jaw |
Line 1223 Cond: ['] T ' H alit, ;Cond
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Line 1353 Cond: ['] T ' H alit, ;Cond
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\ modularized 14jun97jaw |
\ modularized 14jun97jaw |
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: fillcfa ( usedcells -- ) |
: fillcfa ( usedcells -- ) |
T cells H xt>body swap - 0 ?DO 0 T c, H LOOP ; |
T cells H xt>body swap - 0 ?DO 0 T c, tchar H +LOOP ; |
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: (>body) ( cfa -- pfa ) xt>body + ; ' (>body) T IS >body H |
: (>body) ( cfa -- pfa ) xt>body + ; ' (>body) T IS >body H |
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Line 1244 Cond: ['] T ' H alit, ;Cond
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Line 1374 Cond: ['] T ' H alit, ;Cond
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: (lit,) ( n -- ) compile lit T , H ; ' (lit,) IS lit, |
: (lit,) ( n -- ) compile lit T , H ; ' (lit,) IS lit, |
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: (alit,) ( n -- ) lit, T here cell - H relon ; ' (alit,) IS alit, |
\ if we dont produce relocatable code alit, defaults to lit, jaw |
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has? relocate |
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[IF] |
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: (alit,) ( n -- ) compile lit T a, H ; ' (alit,) IS alit, |
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[ELSE] |
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: (alit,) ( n -- ) lit, ; ' (alit,) IS alit, |
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[THEN] |
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: (fini,) compile ;s ; ' (fini,) IS fini, |
: (fini,) compile ;s ; ' (fini,) IS fini, |
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Line 1631 Builder Field
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Line 1767 Builder Field
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: sys? ( sys -- sys ) dup 0= ?struc ; |
: sys? ( sys -- sys ) dup 0= ?struc ; |
: >mark ( -- sys ) T here ( dup ." M" hex. ) 0 , H ; |
: >mark ( -- sys ) T here ( dup ." M" hex. ) 0 , H ; |
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: branchoffset ( src dest -- ) - ; |
: branchoffset ( src dest -- ) - tchar / ; \ ?? jaw |
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: >resolve ( sys -- ) T here ( dup ." >" hex. ) over branchoffset swap ! H ; |
: >resolve ( sys -- ) T here ( dup ." >" hex. ) over branchoffset swap ! H ; |
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Line 1755 Cond: ENDCASE restrict? compile drop 0
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Line 1891 Cond: ENDCASE restrict? compile drop 0
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\ Structural Conditionals 12dec92py |
\ Structural Conditionals 12dec92py |
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:noname |
:noname \ ?? i think 0 is too much! jaw |
0 compile (do) |
0 compile (do) |
branchtomark, 2 to1 ; |
branchtomark, 2 to1 ; |
IS do, ( -- target-addr ) |
IS do, ( -- target-addr ) |
Line 1796 Cond: S" restrict? compile (S")
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Line 1932 Cond: S" restrict? compile (S")
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Cond: ABORT" restrict? compile (ABORT") T ," H ;Cond |
Cond: ABORT" restrict? compile (ABORT") T ," H ;Cond |
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Cond: IS T ' >body H compile ALiteral compile ! ;Cond |
Cond: IS T ' >body H compile ALiteral compile ! ;Cond |
: IS T ' >body ! H ; |
: IS T >address ' >body ! H ; |
Cond: TO T ' >body H compile ALiteral compile ! ;Cond |
Cond: TO T ' >body H compile ALiteral compile ! ;Cond |
: TO T ' >body ! H ; |
: TO T ' >body ! H ; |
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Line 1927 Cond: [IFUNDEF] postpone [IFUNDEF] ;Cond
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Line 2063 Cond: [IFUNDEF] postpone [IFUNDEF] ;Cond
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also minimal |
also minimal |
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\G doesn't skip line when bit is set in debugmask |
: d? d? ; |
: \D name evaluate debugmasksource @ and 0= IF postpone \ THEN ; |
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\G doesn't skip line when debug switch is on |
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: \D D? 0= IF postpone \ THEN ; |
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\G interprets the line if word is not defined |
\G interprets the line if word is not defined |
: \- defined? IF postpone \ THEN ; |
: \- defined? IF postpone \ THEN ; |
Line 1951 previous
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Line 2089 previous
|
\ save-cross 17mar93py |
\ save-cross 17mar93py |
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>CROSS |
>CROSS |
Create magic s" Gforth10" here over allot swap move |
Create magic s" Gforth2x" here over allot swap move |
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char 1 bigendian + tcell + magic 7 + c! |
bigendian 1+ \ strangely, in magic big=0, little=1 |
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tcell 1 = 0 and or |
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tcell 2 = 2 and or |
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tcell 4 = 4 and or |
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tcell 8 = 6 and or |
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tchar 1 = $00 and or |
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tchar 2 = $28 and or |
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tchar 4 = $50 and or |
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tchar 8 = $78 and or |
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magic 7 + c! |
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: save-cross ( "image-name" "binary-name" -- ) |
: save-cross ( "image-name" "binary-name" -- ) |
bl parse ." Saving to " 2dup type cr |
bl parse ." Saving to " 2dup type cr |
Line 1982 char 1 bigendian + tcell + magic 7 + c!
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Line 2129 char 1 bigendian + tcell + magic 7 + c!
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: save-region ( addr len -- ) |
: save-region ( addr len -- ) |
bl parse w/o bin create-file throw >r |
bl parse w/o bin create-file throw >r |
swap image @ + swap r@ write-file throw |
swap >image swap r@ write-file throw |
r> close-file throw ; |
r> close-file throw ; |
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|
\ words that should be in minimal |
\ words that should be in minimal |
Line 1994 also minimal
|
Line 2141 also minimal
|
|
|
bigendian Constant bigendian |
bigendian Constant bigendian |
: here there ; |
: here there ; |
|
: equ constant ; |
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: mark there constant ; |
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|
\ compiler directives |
\ compiler directives |
: >ram >ram ; |
: >ram >ram ; |
Line 2003 bigendian Constant bigendian
|
Line 2152 bigendian Constant bigendian
|
: tempdp> tempdp> ; |
: tempdp> tempdp> ; |
: const constflag on ; |
: const constflag on ; |
: warnings name 3 = 0= twarnings ! drop ; |
: warnings name 3 = 0= twarnings ! drop ; |
: | NoHeaderFlag on ; |
: | ; |
|
\ : | NoHeaderFlag on ; \ This is broken (damages the last word) |
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|
: save-cross save-cross ; |
: save-cross save-cross ; |
: save-region save-region ; |
: save-region save-region ; |
Line 2086 minimal
|
Line 2236 minimal
|
\ these ones are pefered: |
\ these ones are pefered: |
|
|
: lock turnkey ; |
: lock turnkey ; |
: unlock forth also cross ; |
: unlock previous forth also cross ; |
|
|
: [[ also unlock ; |
: [[ also unlock ; |
: ]] previous previous ; |
: ]] previous previous ; |