( my default test file )

:dev/r fff8 ( std read port )
:dev/w fff9 ( std write port )

|0100 @RESET 
	
	,01 ,dev/w STR ( set dev/write screen#01 ) 

BRK

|c000 @FRAME BRK
|d000 @ERROR BRK 
|FFFA .RESET .FRAME .ERROR