Talking PC6300 For The Blind, part 3 of 11
eklhad at ihuxv.UUCP
eklhad at ihuxv.UUCP
Thu Feb 12 00:02:53 AEST 1987
;------------------------------------------------------------------------------
; Talking console device driver for the AT&T PC6300.
; Written by Karl Dahlke, September 1986.
; Property of AT&T Bell Laboratories, all rights reserved.
; This software is in the public domain and may be freely
; distributed to anyone, provided this notice is included.
; It may not, in whole or in part, be incorporated in any commercial
; product without AT&T's explicit permission.
;------------------------------------------------------------------------------
; parms.h: parameters for the talking console device driver
; Several important real time functions are controlled by
; CPU loops. Therefore, loop limits are determined by the CPU clock rate.
CLKRATE equ 8 ; in cycles per microsecond
DELAY equ CLKRATE*81 ; slow down output stream, so sounds carry information
FIFOLEN equ 32 ; length of real time event fifo
WDFIXLEN equ 2048 ; length of word correction table
WDLEN equ 20 ; longest possible word
KBSIZ equ 120 ; length of type ahead keyboard buffer
ADDR equ offset PGROUP
--
You know ... if it ain't patina, it's verdigris.
Karl Dahlke ihnp4!ihnet!eklhad
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