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collapseos/arch/z80/ti84/blk/619
Virgil Dupras 7001446212 Complete overhaul of recipes
Recipes contain bits and pieces of hardware-related knowledge, but
these bits feel sparse. I've been wanting to consolidate hardware-
related documentation for a while, but always fell at odds with the
recipes organisation.

We don't have recipes anymore, just a /doc/hw section that contains
hardware-related documentation which often translate to precise
instructions to run Collapse OS on a specific machine.

With this new organisation, I hope to end up with a better, more
solid documentation.
2020-10-30 20:39:39 -04:00

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: _gti ( -- tindex, that it, index in _dtbl or _atbl )
0 ( gid ) 0 ( dummy )
BEGIN ( loop until a digit is pressed )
DROP
1+ DUP 7 = IF DROP 0 THEN ( inc gid )
1 OVER LSHIFT 0xff -^ ( group dmask ) _get
DUP 0xff = NOT UNTIL _wait
( gid dmask )
0xff XOR ( dpos ) 0 ( dindex )
BEGIN 1+ 2DUP RSHIFT NOT UNTIL 1-
( gid dpos dindex ) NIP
( gid dindex ) SWAP 8 * + ;