URL
https://opencores.org/ocsvn/rtf8088/rtf8088/trunk
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| Rev 7 |
Rev 8 |
| Line 187... |
Line 187... |
af <= carry (1'b1,a[3],b[3],alu_o[3]);
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af <= carry (1'b1,a[3],b[3],alu_o[3]);
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vf <= overflow(1'b1,a[15],b[15],resnw);
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vf <= overflow(1'b1,a[15],b[15],resnw);
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sf <= resnw;
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sf <= resnw;
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zf <= reszw;
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zf <= reszw;
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end
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end
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`IMUL:
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// `IMUL:
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begin
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// begin
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state <= IFETCH;
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// state <= IFETCH;
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wrregs <= 1'b1;
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// wrregs <= 1'b1;
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w <= 1'b1;
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// w <= 1'b1;
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rrr <= 3'd0;
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// rrr <= 3'd0;
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res <= alu_o;
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// res <= alu_o;
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if (w) begin
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// if (w) begin
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cf <= wp[31:16]!={16{resnw}};
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// cf <= wp[31:16]!={16{resnw}};
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vf <= wp[31:16]!={16{resnw}};
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// vf <= wp[31:16]!={16{resnw}};
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dx <= wp[31:16];
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// dx <= wp[31:16];
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end
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// end
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else begin
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// else begin
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cf <= ah!={8{resnb}};
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// cf <= ah!={8{resnb}};
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vf <= ah!={8{resnb}};
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// vf <= ah!={8{resnb}};
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end
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// end
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end
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// end
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//-----------------------------------------------------------------
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//-----------------------------------------------------------------
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// Memory Operations
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// Memory Operations
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//-----------------------------------------------------------------
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//-----------------------------------------------------------------
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