TCI

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<tr><td>Addressing Mode</td><td>[[Implied Mode|Implied]]</td></tr>
<tr><td>Addressing Mode</td><td>[[Implied Mode|Implied]]</td></tr>
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</table><br/>
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Terminates the current interrupt. The details are unknown.
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Terminate Current Interrupt.  This instruction pulses the TCI output of the CPU.  It appears the purpose of this line is to interface to an external interrupt controller. The Intellvision does not connect this line to anything useful, and so the TCI instruction appears to have little or no use on the Intellivision.
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    0000:0000:0000:0101

Revision as of 06:37, 18 January 2005

Instruction NameTerminate Current Interrupt
MnemonicTCI
CP1610 Clock Cycles4
InterruptibleNo
Opcode Range$0005
Input FlagsNone
Output FlagsNone
Addressing ModeImplied

Terminate Current Interrupt. This instruction pulses the TCI output of the CPU. It appears the purpose of this line is to interface to an external interrupt controller. The Intellvision does not connect this line to anything useful, and so the TCI instruction appears to have little or no use on the Intellivision.

   0000:0000:0000:0101
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