MC68HC908GT16 Datasheet, PDF (222/412 Pages) Motorola, Inc – Microcontrollers

Monitor ROM (MON)
A sequence of IREAD or IWRITE commands can access a block of
memory sequentially over the full 64-Kbyte memory map.
Table 15-8. READSP (Read Stack Pointer) Command
Description
Operand
Data
Returned
Opcode
Reads stack pointer
None
Returns incremented stack pointer value (SP + 1) in high-byte:low-
byte order
$0C
Command Sequence
FROM
HOST
READSP READSP
ECHO
SP
HIGH
SP
LOW
RETURN
Table 15-9. RUN (Run User Program) Command
Description
Operand
Data
Returned
Opcode
Executes PULH and RTI instructions
None
None
$28
Command Sequence
FROM
HOST
RUN
RUN
ECHO
Technical Data
222
MC68HC908GT16 • MC68HC908GT8 — Rev. 2
Monitor ROM (MON)
MOTOROLA