/******** ICE-5100 EMULATOR (DOS) TUTORIAL FEATURE MODULE SCREEN #L.1 **********/
menu = 1
define literally PR = '''To go to the previous screen, enter RTN or M'''
define literally R  = 'include scrL.1 nolist'
define literally N  = 'include scrL.2 nolist'
define literally M  = 'include FMOD   nolist'
load MESSG
namescope = rotate
base = hex
cls
/******************************************************************************/
' FEATURE MODULE L: TRACING EXECUTION (5 screens)   ---------------------------'
'                                                  | SCRL1: TRACE 1            |'
'The ICE-5100 emulator stores the addresses of     | N  = Next screen          |'
'instructions in a 254 frame trace buffer as       | R  = Rewrite SCRL1        |'
'they are executed.  The trace buffer is cleared   | PR = Previous screen      |'
'by three occurrances:                             | M  = Go to features menu  |'
'                                                  | Q  = Quit tutorial        |'
'  1. Entering the "PRINT CLEAR" command           | RTN = Return to main path |'
'  2. Using the FROM option of the GO, LSTEP, or   | SCR# = Screen desired     |'
'     ISTEP commands                                ---------------------------'
'  3. Manually changing the program counter ($ pseudo-variable)'
' '
'In the default condition, the emulator will trace each address that is '
'executed.  The PRINT command is used to display the contents of the trace'
'buffer.  To display the entire trace buffer, enter: '
' '
'NOTE: This command will cause this text to scroll off the screen.  Enter N '
'<Enter> to continue after this command has finished executing.'
' '
'   GO FROM 0 TIL #28 TRACE <Enter>      (#28 is address 0064H)'
'   PRINT ALL <Enter> '
'-------------Enter N <Enter> to continue with this Feature Module--------------'