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INSTRUCTION SET S3C84E5/C84E9/P84E9
6-60
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 an example of how to use the NEXT instruction.
Data
01
30
Before After
00451P
Address Data
0130
PC 43
44
45
Address H
Address L
Address H
Address Data
Memory
130 Routine
00431P
Address Data
0120
PC 43
44
45
Address H
Address L
Address H
Address Data
Memory
120 Next