MC68HC08AS32 Datasheet, PDF (260/280 Pages) Motorola, Inc – M68HC08 Family of 8-bit microcontroller units (MCUs)

Table 16-5. IREAD (Indexed Read) Command
Description Read next 2 bytes in memory from last address accessed
Operand Specifies 2-byte address in high byte:low byte order
Data Returned Returns contents of next two addresses
Opcode $1A
Command Sequence
SENT TO
MONITOR
IREAD
IREAD
DATA
DATA
ECHO
RESULT
Table 16-6. IWRITE (Indexed Write) Command
Description Write to last address accessed + 1
Operand Specifies single data byte
Data Returned None
Opcode $19
Command Sequence
SENT TO
MONITOR
IWRITE
IWRITE
DATA
DATA
ECHO
Table 16-7. READSP (Read Stack Pointer) Command
Description Reads stack pointer
Operand None
Data Returned Returns stack pointer in high byte:low byte order
Opcode $0C
Command Sequence
SENT TO
MONITOR
ECHO
READSP
READSP
SP HIGH
SP LOW
RESULT
Data Sheet
260
MC68HC08AS32 — Rev. 4.1
Freescale Semiconductor