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collapseos/cvm/forth.fs
Virgil Dupras 224e9183fb cvm: fix NEWLN behavior
I hadn't noticed yet, but making CVM use the Grid subsystem made
me lose scrolling. It's fine because that scrolling was "artificial"
in the sense that it was provided by curses, not Collapse OS and I
prefer having something that closer emulates a real machine.

However, CVM didn't properly clear the new line when entering it.
Fixed.

Scrolling behavior will come back when it's implemented in the Grid
subsystem.
2020-11-17 11:52:54 -05:00

16 lines
367 B
Forth

: COLS 80 ; : LINES 32 ;
: CURSOR! ( new old -- )
DROP COLS /MOD 6 PC! ( y ) 5 PC! ( x ) ;
: CELL! ( c pos -- ) 0 CURSOR! 0 PC! ;
SYSVARS 0x70 + CONSTANT GRID_MEM
402 403 LOADR ( Grid )
390 LOAD ( xcomp core high )
(entry) _
( Update LATEST )
PC ORG @ 8 + !
," BLK$ ' EFS@ BLK@* ! ' EFS! BLK!* ! GRID$ " EOT,
ORG @ 256 /MOD 2 PC! 2 PC!
H@ 256 /MOD 2 PC! 2 PC!