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CP1610 - Revision history
2026-05-14T15:46:30Z
Revision history for this page on the wiki
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http://wiki.intellivision.us/index.php?title=CP1610&diff=15006&oldid=prev
BrandonE at 06:03, 5 August 2012
2012-08-05T06:03:48Z
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<td colspan="2" style="background-color: white; color:black; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: white; color:black; text-align: center;">Revision as of 06:03, 5 August 2012</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div><td>A high-to-low transition on this pin causes the CPU to take an interrupt if interrupts are enabled.  If the signal transitions back to the "high" state prior to taking the interrupt, the CPU will ignore the interrupt.</td><td>Connects to the SR1 output pin on the STIC.  The STIC signals [[VBlank Interrupt]] to the CP1610 on this pin, and the CP1610 jumps to the interrupt vector at $1004 after the next interruptible instruction.</td></tr></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div><td>A high-to-low transition on this pin causes the CPU to take an interrupt if interrupts are enabled.  If the signal transitions back to the "high" state prior to taking the interrupt, the CPU will ignore the interrupt.</td><td>Connects to the SR1 output pin on the STIC.  The STIC signals [[VBlank Interrupt]] to the CP1610 on this pin, and the CP1610 jumps to the interrupt vector at $1004 after the next interruptible instruction.</td></tr></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div><tr><td>INTR</td><td>INTerrupt Request.</td><td>Input</td></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div><tr><td>INTR</td><td>INTerrupt Request.</td><td>Input</td></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><td>A high-to-low transition on this pin causes the CPU to take an interrupt, <del class="diffchange diffchange-inline">regardles </del>of whether interrupts are enabled.</td><td>The Intellivision leaves this signal tied to +5v (deasserted).</td></tr>  </div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><td>A high-to-low transition on this pin causes the CPU to take an interrupt, <ins class="diffchange diffchange-inline">regardless </ins>of whether interrupts are enabled.</td><td>The Intellivision leaves this signal tied to +5v (deasserted).</td></tr>  </div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div><tr><td>BUSRQ</td><td>BUS ReQuest.</td><td>Input</td></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div><tr><td>BUSRQ</td><td>BUS ReQuest.</td><td>Input</td></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div><td>A high-to-low transition on this pin requests that the CPU halt so that something else may access the bus.</td></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div><td>A high-to-low transition on this pin requests that the CPU halt so that something else may access the bus.</td></div></td></tr>
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BrandonE
http://wiki.intellivision.us/index.php?title=CP1610&diff=14713&oldid=prev
Mr z: Protected "CP1610" ([edit=autoconfirmed] (indefinite) [move=autoconfirmed] (indefinite))
2010-12-04T07:31:17Z
<p>Protected "<a href="/index.php/CP1610" title="CP1610">CP1610</a>" ([edit=autoconfirmed] (indefinite) [move=autoconfirmed] (indefinite))</p>
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<td colspan="1" style="background-color: white; color:black; text-align: center;">Revision as of 07:31, 4 December 2010</td>
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Mr z
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Mr z at 07:30, 4 December 2010
2010-12-04T07:30:39Z
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Mr z
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2010-12-03T01:11:27Z
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2010-11-30T22:40:30Z
<p>32</p>
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