VolksForth/6502/C64/src/vf-x16edit.fth
2023-12-02 21:15:20 +01:00

16 lines
455 B
Forth

$0001 | constant RomBank
create xed-banks 1 c, $ff c, \ first and last RAM bank xed uses.
| Code (xed? ( -- f )
$4c # lda $c000 cmp 0= ?[ $c003 cmp 0= ?[ $c006 cmp 0= ?[
Push0A jmp ]? ]? ]? txa Push0A jmp end-code
| Code (xed ( -- )
xed-banks ldx xed-banks 1+ ldy $c003 jsr
xyNext jmp end-code
: xed ( -- )
bl word count $4 ! $2 ! RomBank c@ $d RomBank c!
(xed? IF (xed RomBank c! ELSE RomBank c! ." no x16edit" THEN ;