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collapseos/blk/523
Virgil Dupras d1718a90c7 sms: add support for VDP's text mode
Because that mode behaves exactly like in a regular TMS9918, a new
driver for TMS9918 has been added in blkfs and SMS' VDP now uses it.

Also, fix broken 5x7 font.
2020-11-13 12:18:00 -05:00

16 lines
447 B
Plaintext

: _g ( given a top-left of dot-X in BLK(, spit 7 bin lines )
7 0 DO
0 5 0 DO ( a r )
1 LSHIFT
OVER J 64 * I + + C@ 'X' = IF 1+ THEN
LOOP 3 LSHIFT C, LOOP DROP ;
: _l ( a u -- a, spit a line of u glyphs )
( u ) 0 DO ( a )
DUP I 5 * + _g
LOOP ;
: CPFNT5x7
0 , 0 , 0 , 0 C, ( space char )
535 532 DO I BLK@ BLK( 12 _l 448 + 12 _l DROP LOOP ( 72 )
535 BLK@ BLK( 12 _l 448 + 10 _l DROP ( 94! )
;