URL https://opencores.org/ocsvn/opencpu32/opencpu32/trunk

Subversion Repositories opencpu32

[/] [opencpu32/] [trunk/] [hdl/] [opencpu32/] [ControlUnit.vhd] - Diff between revs 47 and 48

Rev 47	Rev 48
Line 140...	Line 140...
`-- On the case of jump instructions, it's execution will be handled on this process`	`-- On the case of jump instructions, it's execution will be handled on this process`
`case opcodeIR is`	`case opcodeIR is`

`when jmp_val =>`	`when jmp_val =>`
`PC <= "0000000000" & operand_imm;`	`PC <= "0000000000" & operand_imm;`
	`nextCpuState <= fetch;`

`when jmpr_val =>`	`when jmpr_val =>`
`PC <= PC + ("0000000000" & operand_imm);`	`PC <= PC + ("0000000000" & operand_imm);`
	`nextCpuState <= fetch;`

`-- ld r5,20 (Load into r5 register the content of the memory at address 20)`	`-- ld r5,20 (Load into r5 register the content of the memory at address 20)`
`when ld_val =>`	`when ld_val =>`
`MemoryDataRdAddr <= "0000000000" & operand_imm;`	`MemoryDataRdAddr <= "0000000000" & operand_imm;`
`MemoryDataReadEn <= '1';`	`MemoryDataReadEn <= '1';`