Mercurial > repos > simple16
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> |
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date | Fri, 01 Apr 2016 21:51:46 -0700 |
parents | fb14515266f4 |
children | 6e7bfe83d2b0 |
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26:083347ccd508 | 27:351a0d0cce3b |
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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 |