■ Execution control 
G
  Format  G [expr1] [, expr2] 

 Description  The user program is executed from address expr1 and stopped at address expr2.
              If expr1 is omitted, the current PC value is used. If expr2 is omitted, other factors
              The user program continues to run unless it stops. 

T
  format  T [expr1] [, expr2] 

 Description  Executes expr1 instructions from address expr2 and stops. Register for each instruction
              The contents and the next instruction to be executed are displayed.
              If expr2 is omitted, the current PC value is used. If expr1 is omitted, 1 is adopted.
              The 

TU
  format  TU [expr1] [, expr2] 

 Description  Similar to the T command, but there is no display of register contents for each instruction. 

S
  format  S [expr1] [, expr2] 

 Description  Executes expr1 instructions from address expr2 and stops. Register for each instruction
              The contents are displayed.
              If expr2 is omitted, the current PC value is used. If expr1 is omitted, 1 is adopted.
              The
              The following points are different from the T command.
              Bsr, jsr
                It is considered as one instruction until it returns from the subroutine execution.
              ●trap,trapv,chk,A line trap,F line trap,
                It is regarded as one instruction until it returns from exception handling 
 

SU
  format  SU [expr1] [, expr2] 

 Description  Similar to the S command, but there is no register content display for each instruction. 

STOP
  Format  STOP 

 Description  Stops execution of the user program. 

RESET
  format  RESET 

 Description  Resets CPU registers and masks all SCSP interrupt enable registers.