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Added instruction COPY, Commenting the idea for COPY in CPU

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This commit is contained in:
Yohan Boujon 2023-11-20 12:13:42 +01:00
parent 884ecdbded
commit c42c0bcf22
2 changed files with 5 additions and 1 deletions
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3
src/cpu.vhd
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@ -110,10 +110,13 @@ begin
li_A <= inst(23 downto 16); li_A <= inst(23 downto 16);
li_B <= inst(15 downto 8); li_B <= inst(15 downto 8);
li_C <= inst(7 downto 0); li_C <= inst(7 downto 0);
-- In this case, copy the content of li_A directly to di_A (just the idea)
--case li_OP is --case li_OP is
-- AFC -- AFC
--when => X"06" => --when => X"06" =>
-- In this case, put the content in memory_register_inst and get QA in di_A (just the idea)
--when => X"05" =>
--end case --end case
PC <= PC+'1'; PC <= PC+'1';
end if; end if;

3
src/instruction_memory.vhd
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@ -23,7 +23,8 @@ entity instruction is
for i in code_array'range loop for i in code_array'range loop
init_result(i) := std_logic_vector(conv_unsigned(0, 32)); init_result(i) := std_logic_vector(conv_unsigned(0, 32));
end loop; end loop;
init_result(0) := X"06010C00"; init_result(0) := X"06010C00"; -- AFC 0x0c to R01
init_result(1) := X"05000100"; -- COPY R01 to R00
return init_result; return init_result;
end function init; end function init;
end instruction; end instruction;