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Joshua Wise's Git repositories - fpgaboy.git/blame_incremental - core/insn_vop_intr.v
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| Commit | Line | Data |
|---|
| | 1 | `ifdef EXECUTE |
| | 2 | `INSN_VOP_INTR: begin |
| | 3 | case (cycle) |
| | 4 | 0: `EXEC_WRITE(`_SP - 1, `_PCH) |
| | 5 | 1: `EXEC_WRITE(`_SP - 2, `_PCL) |
| | 6 | 2: begin |
| | 7 | irqack <= 1; |
| | 8 | `EXEC_NEWCYCLE |
| | 9 | end |
| | 10 | endcase |
| | 11 | end |
| | 12 | `endif |
| | 13 | |
| | 14 | `ifdef WRITEBACK |
| | 15 | `INSN_VOP_INTR: begin |
| | 16 | case (cycle) |
| | 17 | 0: begin end |
| | 18 | 1: begin end |
| | 19 | 2: begin |
| | 20 | ie <= 0; |
| | 21 | `_PC <= {8'b0, jaddr}; |
| | 22 | irqack <= 0; // Must be at the same time as we latch jaddr, or we race! |
| | 23 | `_SP <= `_SP - 2; |
| | 24 | end |
| | 25 | endcase |
| | 26 | end |
| | 27 | `endif |
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