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collapseos/blk/588

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2020-05-12 11:52:44 +10:00
: ACIA$
H@ DUP DUP ACIA( ! ACIAR> !
1+ ACIAW> ! ( write index starts one position later )
0x20 ( buffer size ) ALLOT
H@ ACIA) !
( setup ACIA
CR7 (1) - Receive Interrupt enabled
CR6:5 (00) - RTS low, transmit interrupt disabled.
CR4:2 (101) - 8 bits + 1 stop bit
CR1:0 (10) - Counter divide: 64 )
0b10010110 [ ACIA_CTL LITN ] PC!
(im1) ;