How do you determine a 71B memory-mapped I/O device address?
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03-31-2021, 02:28 AM
(This post was last modified: 03-31-2021 02:29 AM by Sylvain Cote.)
Post: #6
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RE: How do you determine a 71B memory-mapped I/O device address?
I just read IDS Vol2 Chapter 4 and it seems pretty straightforward.
First it is written that the card reader MMIO is hard configured at address 2C000 to 2C01F. Next, if I have understood correctly you must define a new chip that would respond to the configuration routine as MMIO instead of RAM or ROM. Pages 4.1 to 4.6 gives a good explanation. |
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Messages In This Thread |
How do you determine a 71B memory-mapped I/O device address? - mfleming - 03-30-2021, 11:57 PM
RE: How do you determine a 71B memory-mapped I/O device address? - Giuseppe Donnini - 03-31-2021, 12:21 AM
RE: How do you determine a 71B memory-mapped I/O device address? - rprosperi - 03-31-2021, 01:07 AM
RE: How do you determine a 71B memory-mapped I/O device address? - Giuseppe Donnini - 03-31-2021, 01:23 AM
RE: How do you determine a 71B memory-mapped I/O device address? - rprosperi - 03-31-2021, 01:31 AM
RE: How do you determine a 71B memory-mapped I/O device address? - Sylvain Cote - 03-31-2021 02:28 AM
RE: How do you determine a 71B memory-mapped I/O device address? - mfleming - 03-31-2021, 04:55 AM
RE: How do you determine a 71B memory-mapped I/O device address? - J-F Garnier - 03-31-2021, 07:35 AM
RE: How do you determine a 71B memory-mapped I/O device address? - mfleming - 03-31-2021, 04:39 PM
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