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Update alu_tb.v

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Scott Alfter
2024-06-14 13:55:39 -07:00
parent c7984ae883
commit 981d7a4d6f
1 changed files with 18 additions and 21 deletions
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alu_tb.v
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@@ -15,61 +15,58 @@ module ALU_test;
x=16'hAA55;
y=16'h5555;
{zx, nx, zy, ny, f, no}=6'b101010;
{zx, nx, zy, ny, f, no}=6'b101010; // 0
#1; // should get 0
{zx, nx, zy, ny, f, no}=6'b111111;
{zx, nx, zy, ny, f, no}=6'b111111; // 1
#1; // should get 1
{zx, nx, zy, ny, f, no}=6'b111010;
{zx, nx, zy, ny, f, no}=6'b111010; // -1
#1; // should get -1
{zx, nx, zy, ny, f, no}=6'b001100;
{zx, nx, zy, ny, f, no}=6'b001100; // x
#1; // should return 0xAA55
{zx, nx, zy, ny, f, no}=6'b110000;
{zx, nx, zy, ny, f, no}=6'b110000; // y
#1; // should return 0x5555
{zx, nx, zy, ny, f, no}=6'b001101;
{zx, nx, zy, ny, f, no}=6'b001101; // !x
#1; // should return 0x55AA
{zx, nx, zy, ny, f, no}=6'b110001;
{zx, nx, zy, ny, f, no}=6'b110001; // !y
#1; // should return 0xAAAA
{zx, nx, zy, ny, f, no}=6'b001111;
{zx, nx, zy, ny, f, no}=6'b001111; // -x
#1; // should return 0x55AB
{zx, nx, zy, ny, f, no}=6'b110011;
{zx, nx, zy, ny, f, no}=6'b110011; // -y
#1; // should return 0xAAAB
{zx, nx, zy, ny, f, no}=6'b011111;
{zx, nx, zy, ny, f, no}=6'b011111; // x++
#1; // should return 0xAA56
{zx, nx, zy, ny, f, no}=6'b110111;
{zx, nx, zy, ny, f, no}=6'b110111; // y++
#1; // should return 0x5556
{zx, nx, zy, ny, f, no}=6'b001110;
{zx, nx, zy, ny, f, no}=6'b001110; // x--
#1; // should return 0xAA54
{zx, nx, zy, ny, f, no}=6'b110010;
{zx, nx, zy, ny, f, no}=6'b110010; // y--
#1; // should return 0x5554
{zx, nx, zy, ny, f, no}=6'b000010;
{zx, nx, zy, ny, f, no}=6'b000010; // x+y
#1; // should return 0xFFAA
{zx, nx, zy, ny, f, no}=6'b010011;
{zx, nx, zy, ny, f, no}=6'b010011; // x-y
#1; // should return 0x5500
{zx, nx, zy, ny, f, no}=6'b110010;
#1; // should return 0x5554
{zx, nx, zy, ny, f, no}=6'b000111;
{zx, nx, zy, ny, f, no}=6'b000111; // y-x
#1; // should return 0xAB00
{zx, nx, zy, ny, f, no}=6'b000000;
{zx, nx, zy, ny, f, no}=6'b000000; // x&y
#1; // should return 0x0055
{zx, nx, zy, ny, f, no}=6'b010101;
{zx, nx, zy, ny, f, no}=6'b010101; // x|y
#1; // should return 0xFF55
$finish();