Interrupt Enable Flag

From Intellivision Wiki
Revision as of 18:36, 11 January 2005 by Pingaso (talk | contribs)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search

The Interrupt Enable Flag (I), if set, allows the INTRM line to trigger an interrupt, causing the CP1610 to jump to the interrupt subroutine located in the Executive ROM at $1004. The following opcodes affect the status of the Interrupt Enable Flag.

EIS
DIS
JE
JD
JSRE
JSRD