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collapseos/arch/z80/rc2014/blk/610
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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: _ [ SIO_ACTL LITN ] PC! ;
: SIO$
H@ [ SIO( LITN ] ! 0 [ SIOR> LITN ] C!
1 [ SIOW> LITN ] C! ( write index starts one pos later )
[ SIO_BUFSZ LITN ] ALLOT
0x18 _ ( CMD3 )
0x24 _ ( CMD2/PTR4 ) 0b11000100 _ ( WR4/64x/1stop/nopar )
0x03 _ ( PTR3 ) 0b11000001 _ ( WR3/RXen/8char )
0x05 _ ( PTR5 ) 0b01101000 _ ( WR5/TXen/8char )
0x21 _ ( CMD2/PTR1 ) 0b00011000 _ ( WR1/Rx INT all chars )
(im1)
;