IPR-NIOS Altera, IPR-NIOS Datasheet - Page 211

• Manufacturer Part Number: IPR-NIOS
• Description: IP NIOS II MEGACORE RENEW
• Manufacturer: Altera
• Type: MegaCorer

Specifications of IPR-NIOS

• License: Renewal License
• Lead Free Status / RoHS Status: Not applicable / Not applicable

Chapter 8: Instruction Set Reference
Instruction Set Reference
call
December 2010 Altera Corporation
Operation:
Assembler Syntax:
Example:
Description:
Usage:
Exceptions:
Instruction Type:
Instruction Fields:
31
30
29
28
27
26
25
24
ra ← PC + 4
PC ← (PC
call label
call write_char
Saves the address of the next instruction in register ra, and transfers execution to the
instruction at address (PC
call can transfer execution anywhere within the 256-megabyte (MB) range determined by
PC
of this range.
None
J
IMM26 = 26-bit unsigned immediate value
31..28
23
. The Nios II GNU linker does not automatically handle cases in which the address is out
22
31..28
21
20
: IMM26 × 4)
IMM26
19
18
31..28
17
16
: IMM26 × 4).
15
14
13
12
11
10
9
8
Nios II Processor Reference Handbook
7
6
5
call subroutine
4
3
0
2
1
8–25
0