36 lines
742 B
Forth
36 lines
742 B
Forth
0xff00 CONSTANT RS_ADDR
|
|
0xfffa CONSTANT PS_ADDR
|
|
RS_ADDR 0x80 - CONSTANT SYSVARS
|
|
0 CONSTANT HERESTART
|
|
5 LOAD ( z80 assembler )
|
|
262 LOAD ( xcomp )
|
|
282 LOAD ( boot.z80.decl )
|
|
270 LOAD ( xcomp overrides )
|
|
283 335 LOADR ( boot.z80 )
|
|
353 LOAD ( xcomp core low )
|
|
: (emit) 0 PC! ;
|
|
: (key) 0 PC@ ;
|
|
: EFS@
|
|
1 3 PC! ( read )
|
|
256 /MOD 3 PC! 3 PC! ( blkid )
|
|
BLK( 256 /MOD 3 PC! 3 PC! ( dest )
|
|
;
|
|
: EFS!
|
|
2 3 PC! ( write )
|
|
256 /MOD 3 PC! 3 PC! ( blkid )
|
|
BLK( 256 /MOD 3 PC! 3 PC! ( dest )
|
|
;
|
|
: COLS 80 ; : LINES 32 ;
|
|
: AT-XY 6 PC! ( y ) 5 PC! ( x ) ;
|
|
|
|
380 LOAD ( xcomp core high )
|
|
(entry) _
|
|
( Update LATEST )
|
|
PC ORG @ 8 + !
|
|
," BLK$ "
|
|
," ' EFS@ BLK@* ! "
|
|
," ' EFS! BLK!* ! "
|
|
EOT,
|
|
ORG @ 256 /MOD 2 PC! 2 PC!
|
|
H@ 256 /MOD 2 PC! 2 PC!
|