Difference between revisions of "System RAM"
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− | The System RAM unit is the only 16-bit RAM available in the Intellivision, and it is mapped into the Intellivision memory map from $0200-$035F.<br/><br/> | + | The System RAM unit is the only 16-bit RAM available in the Intellivision, and it is mapped into the Intellivision memory map from $0200-$035F. Note that all of the System RAM is used by the STIC and the Executive ROM and is unavailable for general use by the program.<br/><br/> |
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<tr><td>$035D-$035F</td><td>Used by the Executive ROM for unknown purposes</td></tr> | <tr><td>$035D-$035F</td><td>Used by the Executive ROM for unknown purposes</td></tr> | ||
</table> | </table> | ||
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Revision as of 23:46, 10 January 2005
The System RAM unit is the only 16-bit RAM available in the Intellivision, and it is mapped into the Intellivision memory map from $0200-$035F. Note that all of the System RAM is used by the STIC and the Executive ROM and is unavailable for general use by the program.
$0200-$02EF | BACKground TABle (BACKTAB) |
$02F0-$02F0 | Used by the Executive ROM as a MOB GRAM Allocation Table Pointer |
$02F1-$0318 | CP1610 Stack |
$0319-$031C | Used by the Executive ROM for unknown purposes |
$031D-$035C | Used by the Executive ROM as a MOB RAM data base |
$035D-$035F | Used by the Executive ROM for unknown purposes |