32 lines
1.0 KiB
Forth
32 lines
1.0 KiB
Forth
\ Copyright 2022 Bradley D. Nelson
|
|
\
|
|
\ Licensed under the Apache License, Version 2.0 (the "License");
|
|
\ you may not use this file except in compliance with the License.
|
|
\ You may obtain a copy of the License at
|
|
\
|
|
\ http://www.apache.org/licenses/LICENSE-2.0
|
|
\
|
|
\ Unless required by applicable law or agreed to in writing, software
|
|
\ distributed under the License is distributed on an "AS IS" BASIS,
|
|
\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
\ See the License for the specific language governing permissions and
|
|
\ limitations under the License.
|
|
|
|
( Add more words that are usually in extra_opcodes.h )
|
|
|
|
: fsqrt ( r -- r ) 1e 20 0 do fover fover f/ f+ 0.5e f* loop fnip ;
|
|
|
|
3.14159265359e fconstant pi
|
|
|
|
: fill32 ( a n v ) swap >r swap r> 0 ?do 2dup ! cell+ loop 2drop ;
|
|
|
|
( Transfer internals that are extra opcodes )
|
|
internals definitions
|
|
transfer{
|
|
'heap 'context 'latestxt 'notfound
|
|
'heap-start 'heap-size 'stack-cells
|
|
'boot 'boot-size 'tib
|
|
'argc 'argv 'runner fill32
|
|
}transfer
|
|
forth definitions
|