The BBC and Master Computer Public Domain Library

Set IWA = TRUE

Submitted by Steve Fewell

Routine: TRUE
Name: Set IWA = -1
Starting Address: &ABDB
Entry criteria: None
Exit: IWA contains -1.

Description:
Sets the IWA to -1 [Note: -1 is where every byte of the IWA equals 255], and sets A to #&40 to show that an Integer number is being processed.

Disassembly for the Set IWA = TRUE routine