Topic : MC56001 Documentation Author : JAY Software Version : 1.0 (19/11/1997) Subject : Programming/Assembler Nodes : 152 Index Size : 4106 HCP-Version : 4 Compiled on : Atari @charset : atarist @lang : @default : @help : @options : -i +y +z -t4 @width : 100 View Ref-FileSWI Software Interrupt Operation: Begin SWI exception processing Assembler Syntax: SWI Description: Suspend normal instruction execution and begin SWI exception processing. The interrupt priority level (I1,I0) is set to 3 in the status register (SR) if a long interrupt service routine is used. Restrictions: An SWI instruction cannot be used in a fast interrupt routine. An SWI instruction cannot be repeated using REP instruction. Condition Codes: The condition codes are not affected by this instruction. Instruction Format: SWI Timing: 8 oscillator clock cycles Memory: 1 program word