comparison simple_console.txt @ 27:351a0d0cce3b

Updated spec to make the 3rd and 4th controller IO ports as reserved
author Michael Pavone <pavone@retrodev.com>
date Fri, 01 Apr 2016 21:51:46 -0700
parents fb14515266f4
children 6e7bfe83d2b0
comparison
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26:083347ccd508 27:351a0d0cce3b
92 92
93 IO: Ports 93 IO: Ports
94 94
95 0: Controller 1 95 0: Controller 1
96 1: Controller 2 96 1: Controller 2
97 2: Controller 3 97 2: Reserved
98 3: Controller 4 98 3: Reserved
99 99
100 4: Channel A Freq 100 4: Channel A Freq
101 Load value for a 16-bit down-counter 101 Load value for a 16-bit down-counter
102 Polarity of output is switched on transition from 1 to 0 102 Polarity of output is switched on transition from 1 to 0
103 Value is loaded on cycles where counter is 0 103 Value is loaded on cycles where counter is 0