INSTRUCTION DESCRIPTIONS
A - 76 INSTRUCTION SET DETAILS MOTOROLA
Operation: Assembler Syntax:
Enter the debug mode DEBUG
Description: Enter the debug mode and wait for OnCE commands.
Example:
:
DEBUG ;enter the debug mode
:
Explanation of Example: Upon executing the DEBUG instruction, the chip enters the
debug mode after the instruction following the DEBUG instruction has entered the
instruction latch. Entering the debug mode is acknowledged by the chip by pulsing low
the DSO line. This informs the external command controller that the chip has entered the
debug mode and is waiting for commands.
Condition Codes:
The condition codes are not affected by this instruction
Instruction Format:
DEBUG
DEBUG Enter Debug Mode DEBUG
MR CCR
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
LF DM T ** S1 S0 I1 I0 S L E U N Z V C