16 lines
514 B
Plaintext
16 lines
514 B
Plaintext
ACIA driver
|
|
|
|
Manage I/O from an asynchronous communication interface adapter
|
|
(ACIA). provides "EMIT" to put c char on the ACIA as well as
|
|
an input buffer. You have to call "~ACIA" on interrupt for
|
|
this module to work well.
|
|
|
|
CONFIGURATION
|
|
|
|
ACIA_CTL: IO port for the ACIA's control registers
|
|
ACIA_IO: IO port for the ACIA's data registers
|
|
ACIA_MEM: Address in memory that can be used variables shared
|
|
with ACIA's native words. 8 bytes used.
|
|
|
|
Load z80 words with "352 LOAD" and Forth words with "357 LOAD".
|