Samsung S3C84I8 User Manual page 196

INSTRUCTION SET
NEXT
— Next
NEXT
PC ← @IP
Operation:
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.
No flags are affected.
Flags:
Format:
opc
The following diagram shows an example of how to use the NEXT instruction.
Example:
Address Data
0043
1P
0120
PC
6-60
Before
Address Data Data
43 Address H 01
44 Address L 30
45 Address H
120 Next
Memory
Bytes Cycles
1 10
After
Address Data
0045
1P
0130
PC
S3C84I8/F84I8/C84I9/F84I9
Opcode
(Hex)
0F
Address Data
43 Address H
44 Address L
45 Address H
130 Routine
Memory