CaZzzer/cs147dv
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

(WIP) lab-08: High Z for register file READ=0

Browse Source
This commit is contained in:
Yuri Tatishchev 2024-10-21 20:25:05 -07:00
parent a125ae533b
commit b00650f91b
Signed by: CaZzzer
GPG Key ID: E0EBF441EA424369
1 changed files with 10 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
register_file.v
View File

@ -50,22 +50,27 @@ output [`DATA_INDEX_LIMIT:0] DATA_R2;
// I24, I25, I26, I27, I28, I29, I30, I31, S);
wire [31:0] Q [31:0];
wire [31:0] write;
DECODER_5x32 d_write(write, ADDR_W);
wire [31:0] r_write;
DECODER_5x32 d_write(r_write, ADDR_W);
REG32 r[31:0] (Q, DATA_W, write, CLK, RST);
REG32 r[31:0] (Q, DATA_W, r_write, CLK, RST);
MUX32_32x1 r1(DATA_R1, Q[0], Q[1], Q[2], Q[3], Q[4], Q[5], Q[6], Q[7],
wire [31:0] r1, r2;
MUX32_32x1 mux_r1(r1, Q[0], Q[1], Q[2], Q[3], Q[4], Q[5], Q[6], Q[7],
Q[8], Q[9], Q[10], Q[11], Q[12], Q[13], Q[14], Q[15],
Q[16], Q[17], Q[18], Q[19], Q[20], Q[21], Q[22], Q[23],
Q[24], Q[25], Q[26], Q[27], Q[28], Q[29], Q[30], Q[31],
ADDR_R1
);
MUX32_32x1 r2(DATA_R2, Q[0], Q[1], Q[2], Q[3], Q[4], Q[5], Q[6], Q[7],
MUX32_32x1 mux_r2(r2, Q[0], Q[1], Q[2], Q[3], Q[4], Q[5], Q[6], Q[7],
Q[8], Q[9], Q[10], Q[11], Q[12], Q[13], Q[14], Q[15],
Q[16], Q[17], Q[18], Q[19], Q[20], Q[21], Q[22], Q[23],
Q[24], Q[25], Q[26], Q[27], Q[28], Q[29], Q[30], Q[31],
ADDR_R2
);
// TODO: Figure out this high Z thing and add a test for it.
MUX32_2x1 mux_out1(DATA_R1, {32{1'bZ}}, r1, READ);
MUX32_2x1 mux_out2(DATA_R2, {32{1'bZ}}, r2, READ);
endmodule