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15 changed files with 13 additions and 70 deletions

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@ -2,7 +2,7 @@ MASTER INDEX
3 Usage 30 Dictionary
70 Implementation notes 100 Block editor
120 Visual Editor 150 Extra words
150 Extra words
200 Z80 assembler 260 Cross compilation
280 Z80 boot code 350 Core words
410 PS/2 keyboard subsystem 420 Bootstrap guide

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@ -14,3 +14,4 @@ and Extra words (B150).

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@ -14,3 +14,5 @@ J -- n Copy RS third item to PS

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@ -14,3 +14,7 @@ NOT f -- f Push the logical opposite of f

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@ -14,3 +14,4 @@ a newline.

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@ -14,3 +14,5 @@ LOADR+ n1 n2 -- Relative ranged load.
WIPE -- Empties current block

16
blk/120
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@ -1,16 +0,0 @@
Visual Editor
This editor, unlike the Block Editor (B100), is grid-based
instead of being command-based. It requires the AT-XY, COLS
and LINES words to be implemented.
It is loaded with "125 LOAD" and invoked with "VE".
This editor uses 17 lines. The top line is the status line and
the 16 others are contents lines. The content shown is that
of the currently selected block.
All keystrokes are directly interpreted by VE and have the
effect described below.
(cont.)

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@ -1,16 +0,0 @@
Pressing a 0-9 digit accumulates that digit into what is named
the "modifier". That modifier affects the behavior of many
keystokes described below. The modifier starts at zero, but
most commands interpret a zero as a 1 so that they can have an
effect.
'G' selects the block specified by the modifier as the current
block. Any change madde to the previously selected block is
saved beforehand.
'[' and ']' advance the selected block by modifier.
';' resets the modifier
H and L move the cursor by "modifier" characters. J and K, by
lines.

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@ -1,2 +0,0 @@
'? UPPER NOT [IF] 33 LOAD+ [THEN] DROP ( B158 )
1 2 LOADR+

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@ -1,14 +0,0 @@
CREATE CMD 2 C, '$' C, 0 C,
VARIABLE ACC
VARIABLE POS
: 0acc 0 ACC ! ;
: acc@ ACC @ 1 MAX 0acc ;
: num ACC @ SWAP _pdacc IF DROP ELSE ACC ! THEN ;
: nspcs ( n -- , spit n space ) 0 DO SPC LOOP ;
: aty 0 SWAP AT-XY ;
: clrln DUP aty COLS nspcs aty ;
: clrscr LINES 0 DO I clrln LOOP ;
: status 0 clrln ." BLK" SPC BLK> ? SPC ACC ?
SPC POS @ 64 /MOD . ',' EMIT . ;
: contents 1 aty BLK> @ LIST ;
: selblk BLK@ contents ;

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@ -1,15 +0,0 @@
: setpos POS @ 64 /MOD 1+ ( status line ) AT-XY ;
: pos+ POS @ + 1024 MOD POS ! ;
: cmv ( n -- , char movement ) acc@ * pos+ ;
: $; 0acc ;
: $G ACC @ selblk 0acc ;
: $[ BLK> @ acc@ - selblk ;
: $] BLK> @ acc@ + selblk ;
: $H -1 cmv ; : $L 1 cmv ; : $K -64 cmv ; : $J 64 cmv ;
: handle ( c -- f )
UPPER DUP '0' '9' =><= IF num 0 EXIT THEN
DUP CMD 2+ C! CMD FIND IF EXECUTE ELSE DROP THEN
'Q' = ;
: VE clrscr 0acc 0 POS ! contents
BEGIN status setpos KEY handle UNTIL 18 aty ;

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@ -1,2 +0,0 @@
: LOWER DUP 'A' 'Z' =><= IF 32 + THEN ;
: UPPER DUP 'a' 'z' =><= IF 32 - THEN ;

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@ -14,3 +14,4 @@ CODE ?DUP
CODE DROP
HL POPqq,
;CODE

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@ -14,3 +14,4 @@ CODE @GET ( a -- c f )
0x28 RSTn,
PUSHA, PUSHZ,
;CODE

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@ -54,10 +54,6 @@ int main(int argc, char *argv[])
}
strncpy(buf+(blkid*1024)+(i*64), line, cnt-1);
}
ssize_t cnt = getline(&line, &n, fp);
if (cnt > 0) {
fprintf(stderr, "blk %s has more than 16 lines\n", ep->d_name);
}
free(line);
}
fwrite(buf, 1024, blkcnt, stdout);