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[fpgaboy.git] / core / insn_vop_intr.v
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1`ifdef EXECUTE
2 `INSN_VOP_INTR: begin
3 case (cycle)
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4 0: `EXEC_WRITE(`_SP - 1, `_PCH)
5 1: `EXEC_WRITE(`_SP - 2, `_PCL)
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6 2: begin
7 irqack <= 1;
8 `EXEC_NEWCYCLE
9 end
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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;
5509558d 21 `_PC <= {8'b0, jaddr};
d1b40456 22 irqack <= 0; // Must be at the same time as we latch jaddr, or we race!
5509558d 23 `_SP <= `_SP - 2;
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24 end
25 endcase
26 end
27`endif
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