INSA/vhdl_processor
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MULTIPLICATION Done.

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Lemonochrome 2023-12-01 22:44:46 +01:00
parent f65b4dfcd0
commit d422136f63
3 changed files with 15 additions and 8 deletions
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2
cpu_project/cpu_project.xpr
View file

@ -60,7 +60,7 @@
<Option Name="EnableBDX" Val="FALSE"/>
<Option Name="DSABoardId" Val="basys3"/>
<Option Name="FeatureSet" Val="FeatureSet_Classic"/>
<Option Name="WTXSimLaunchSim" Val="875"/>
<Option Name="WTXSimLaunchSim" Val="880"/>
<Option Name="WTModelSimLaunchSim" Val="0"/>
<Option Name="WTQuestaLaunchSim" Val="0"/>
<Option Name="WTIesLaunchSim" Val="0"/>

14
src/cpu.vhd
View file

@ -147,7 +147,7 @@ BEGIN
A_DI_EX <= A_LI_DI;
C_DI_EX <= C_LI_DI;
R_ADDRESS_A_HANDLE <= B_LI_DI(3 downto 0);
elsif OP_LI_DI = X"01" then -- ADD
elsif OP_LI_DI = X"01" or OP_LI_DI = X"02" then -- ADD
OP_DI_EX <= OP_LI_DI;
A_DI_EX <= A_LI_DI;
R_ADDRESS_B_HANDLE <= C_LI_DI(3 downto 0);
@ -172,13 +172,17 @@ BEGIN
OP_EX_MEM <= OP_DI_EX;
A_EX_MEM <= A_DI_EX;
B_EX_MEM <= A_DATA_OUT_HANDLE; -- Pour éviter décallage temporel on passe directement A_DATA_OUT_HANDLE au lieu de B_DI_EX
elsif OP_DI_EX = X"01" then
elsif OP_DI_EX = X"01" or OP_DI_EX = X"02" then
-- ALU
OP_EX_MEM <= OP_DI_EX;
A_EX_MEM <= A_DI_EX;
ALU_A_OPERAND <= A_DATA_OUT_HANDLE;
ALU_B_OPERAND <= B_DATA_OUT_HANDLE;
if OP_DI_EX = X"01" then
ALU_OP_TYPE <= "000"; -- ADD
elsif OP_DI_EX = X"02" then
ALU_OP_TYPE <= "110"; -- Multiplication
end if;
else
OP_EX_MEM <= X"00";
A_EX_MEM <= X"00";
@ -195,7 +199,7 @@ BEGIN
OP_MEM_RE <= OP_EX_MEM;
A_MEM_RE <= A_EX_MEM;
B_MEM_RE <= B_EX_MEM;
elsif OP_EX_MEM = X"01" then
elsif OP_EX_MEM = X"01" or OP_EX_MEM = X"02" then
OP_MEM_RE <= OP_EX_MEM;
A_MEM_RE <= A_EX_MEM;
B_MEM_RE <= ALU_DATA_OUT;
@ -212,7 +216,7 @@ BEGIN
begin
if rising_edge(clk) then
-- Ecrire dans les registres
if OP_MEM_RE = X"06" or OP_MEM_RE = X"05" or OP_MEM_RE = X"01" then
if OP_MEM_RE = X"06" or OP_MEM_RE = X"05" or OP_MEM_RE = X"01" or OP_MEM_RE = X"02" then
W_ADDRESS_HANDLE <= A_MEM_RE(3 downto 0);
W_DATA_HANDLE <= B_MEM_RE;
else
@ -226,7 +230,7 @@ BEGIN
process(clk)
begin
if rising_edge(clk) then
if OP_MEM_RE = X"06" or OP_MEM_RE = X"05" or OP_MEM_RE = X"01" then
if OP_MEM_RE = X"06" or OP_MEM_RE = X"05" or OP_MEM_RE = X"01" or OP_MEM_RE = X"02" then
W_ENABLE_HANDLE <= '1';
else
W_ENABLE_HANDLE <= '0';

3
src/instruction_memory.vhd
View file

@ -43,6 +43,9 @@ entity instruction is
init_result(15) := X"01020404"; -- ADD 2 + 2
init_result(16) := X"01020405"; -- ADD 2 + 3
init_result(17) := X"01020505"; -- ADD 3 + 3
-- Multiplication
init_result(18) := X"02020505"; -- MULTIPLICATION 3 * 3
return init_result;
end function init;