Difference between revisions of "Interrupt Enable Flag"

From Intellivision Wiki
Jump to: navigation, search
Line 1: Line 1:
 
[[Category:CP1610]]
 
[[Category:CP1610]]
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.<br/><br/>
+
The Interrupt Enable Flag (I), if set, allows the INTRM line to trigger an interrupt after the next [[CP1610#Interruptibility|interruptible instruction]], which causes 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.<br/><br/>
  
 
[[EIS]]<br/>
 
[[EIS]]<br/>

Revision as of 20:11, 11 January 2005

The Interrupt Enable Flag (I), if set, allows the INTRM line to trigger an interrupt after the next interruptible instruction, which causes 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