Difference between revisions of "IOP16 Register File"
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| Line 14: | Line 14: | ||
RegFile : ENTITY work.RegisterFile | RegFile : ENTITY work.RegisterFile | ||
GENERIC map ( | GENERIC map ( | ||
| − | NUM_REGS => 4 | + | NUM_REGS => 4 -- 4, 8. or 16 |
) | ) | ||
</pre> | </pre> | ||
Revision as of 20:40, 17 April 2022
Register File
- Instruction encodes 4-bits for the register number
- Special Purpose Registers hard-coded values
- Register 0x8 has constant value 0x00
- Register 0x9 has constant value 0x01
- Register 0xF has constant value 0xFF
- 4, 8, or 13 General Purpose (GP) Registers
- Registers numbered 0x0-0x7, 0x0A-0xE
- Register count configured by NUM_REGS value in cpu_001.vhd
RegFile : ENTITY work.RegisterFile GENERIC map ( NUM_REGS => 4 -- 4, 8. or 16 )
