S3C8245/P8245/C8249/P8249 INSTRUCTION SET
6-61
NEXT Next
NEXT
Operation: PC @ IP
IP IP + 2
The NEXT instruction is useful when implementing threaded-code languages. The program memory
word that is pointed to by the instruction pointer is loaded into the program counter. The instruction
pointer is then incremented by two.
Flags: No flags are affected.
Format:
Bytes Cycles Opcode
(Hex)
opc 1 10 0F
Example: The following diagram shows one example of how to use the NEXT instruction.
Data
01
10
Before After
0045
IP
Address Data
0130PC 43
44
45
Address H
Address L
Address H
Address Data
Memory
130 Routine
0043
IP
Address Data
0120PC 43
44
45
Address H
Address L
Address H
Address Data
Memory
120 Next