Fix(PA/mips): support SB instruction.

Update README.md
Triple-Z · Jun 22, 2017 · 3245a3c · 3245a3c
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Showing 4 changed files with 18 additions and 18 deletions.
diff --git a/Project_Assignment/code.txt b/Project_Assignment/code.txt
@@ -1,9 +1,4 @@
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diff --git a/Project_Assignment/datapath/dm.v b/Project_Assignment/datapath/dm.v
@@ -43,14 +43,18 @@ module dm_4k (addr, din, byteExt, wEn, clk, dout);
 		);
 
 	always @ ( posedge clk ) begin// Write;
-		if (wEn) begin
+		if (wEn == 2'b01) begin
 			if (byteExt == 2'b10) begin// Store byte.
 				tmpReg = dm[gpAddr][31:0];
 				case (byteSel)
-					2'b11: tmpReg[7:0] 		= din[7:0];
-					2'b10: tmpReg[15:8] 	= din[7:0];
-					2'b01: tmpReg[23:16] 	= din[7:0];
-					2'b00: tmpReg[31:24] 	= din[7:0];
+					2'b00: tmpReg[7:0] 		= din[7:0];
+					2'b01: tmpReg[15:8] 	= din[7:0];
+					2'b10: tmpReg[23:16] 	= din[7:0];
+					2'b11: tmpReg[31:24] 	= din[7:0];
+					// 2'b00: dm[gpAddr][7:0] 		<= din[7:0];
+					// 2'b01: dm[gpAddr][15:8] 	<= din[7:0];
+					// 2'b10: dm[gpAddr][23:16] 	<= din[7:0];
+					// 2'b11: dm[gpAddr][31:24] 	<= din[7:0];
 				endcase
 				dm[gpAddr][31:0] = tmpReg[31:0];
 			end else begin// Store word.

diff --git a/Project_Assignment/mips.v b/Project_Assignment/mips.v
@@ -123,6 +123,7 @@ module mips (clk, rst);
 	dm_4k dm(
 		.addr(alu_out[11:0]),
 		.din(routb),
+		.byteExt(byteExt),
 		.wEn(memWr),
 		.clk(clk),
 		.dout(dm_out)

diff --git a/README.md b/README.md
@@ -4,7 +4,7 @@
 
 [TOC]
 
-> Last Revised: `6/20/2017`
+> Last Revised: `6/22/2017`
 
 ## Project Assignment
 
@@ -39,9 +39,9 @@
 |`supported`	| lui 		|001111	|x		|0110	|0		|0		|00		|01			|10			|00			|01		|00		|00		|00		|x			|x		|0x00000010	|
 |`supported`	| lw 		|100011	|x		|0000	|0		|0		|00		|01			|00			|01			|01		|00		|01		|00		|11			|
 |`supported`	| sw 		|101011	|x		|0000	|0		|0		|x		|01			|00			|x			|00		|01		|01		|00		|11			|
-|`untested`		| lb 		|100000	|x		|0000	|0		|0		|01		|01			|00			|01			|01		|00		|01		|00		|01			|
-|`untested`		| lbu 		|100100	|x		|0000	|0		|0		|01		|01			|00			|01			|01		|00		|01		|00		|00			|
-|`untested`		| sb 		|101000	|x		|0000	|0		|0		|00		|01			|00			|x			|00		|01		|01		|00		|10			|
+|`error`		| lb 		|100000	|x		|0000	|0		|0		|01		|01			|00			|01			|01		|00		|01		|00		|01			|
+|`error`		| lbu 		|100100	|x		|0000	|0		|0		|01		|01			|00			|01			|01		|00		|01		|00		|00			|
+|`supported`	| sb 		|101000	|x		|0000	|0		|0		|00		|01			|00			|x			|00		|01		|01		|00		|10			|
 |`supported`	| beq 		|000100	|x		|x		|1		|0		|x		|00			|00			|x			|00		|00		|x		|00		|x			|
 |`untested`		| bne 		|000101	|x		|x		|1		|0		|x		|00			|00			|x			|00		|00		|x		|00		|x			|
 |`untested`		| bgez 		|000001	|x		|x		|1		|0		|x		|00			|00			|x			|00		|00		|x		|00		|x			|