| i 2 .r space scr @ block i 64 * chars + 64 type cr |
i 2 .r space scr @ block i 64 * chars + 64 type cr |
| loop ; |
loop ; |
| |
|
| |
[IFDEF] current-input |
| |
:noname 2 <> -12 and throw >in ! blk ! ; |
| |
\ restore-input |
| |
:noname blk @ >in @ 2 ; \ save-input |
| |
:noname 2 ; \ source-id "*a block*" |
| |
:noname 1 blk +! 1 loadline +! true ; \ refill |
| |
:noname blk @ block chars/block ; \ source |
| |
|
| |
Create block-input A, A, A, A, A, |
| |
|
| |
: load ( i*x n -- j*x ) \ block |
| |
\G Save the current input source specification. Store @i{n} in |
| |
\G @code{BLK}, set @code{>IN} to 0 and interpret. When the parse |
| |
\G area is exhausted, restore the input source specification. |
| |
block-input 0 new-tib dup loadline ! blk ! 2 loadfilename# ! |
| |
['] interpret catch pop-file throw ; |
| |
[ELSE] |
| : (source) ( -- c-addr u ) |
: (source) ( -- c-addr u ) |
| blk @ ?dup |
blk @ ?dup |
| IF block chars/block |
IF block chars/block |
| \G @code{BLK}, set @code{>IN} to 0 and interpret. When the parse |
\G @code{BLK}, set @code{>IN} to 0 and interpret. When the parse |
| \G area is exhausted, restore the input source specification. |
\G area is exhausted, restore the input source specification. |
| loadfilename# @ >r |
loadfilename# @ >r |
| 2 loadfilename# ! \ "\a block/" |
2 loadfilename# ! \ "*a block*" |
| push-file |
push-file |
| dup loadline ! blk ! >in off ['] interpret catch |
dup loadline ! blk ! >in off ['] interpret catch |
| pop-file |
pop-file |
| r> loadfilename# ! |
r> loadfilename# ! |
| throw ; |
throw ; |
| |
[THEN] |
| |
|
| : thru ( i*x n1 n2 -- j*x ) \ block-ext |
: thru ( i*x n1 n2 -- j*x ) \ block-ext |
| \G @code{load} the blocks @i{n1} through @i{n2} in sequence. |
\G @code{load} the blocks @i{n1} through @i{n2} in sequence. |
