Move macro defines out to files
[fpgaboy.git] / core / insn_rst.v
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1`define INSN_RST 9'b011xxx111
2
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3`ifdef EXECUTE
4 `INSN_RST: begin
5 case (cycle)
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6 0: `EXEC_INC_PC // This goes FIRST in RST
7 1: `EXEC_WRITE(`_SP - 1, `_PCH)
8 2: `EXEC_WRITE(`_SP - 2, `_PCL)
df770340 9 3: begin
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10 `EXEC_NEWCYCLE
11 `_PC <= {10'b0,opcode[5:3],3'b0};
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12 end
13 endcase
14 end
15`endif
16
17`ifdef WRITEBACK
18 `INSN_RST: begin
19 case (cycle)
20 0: begin /* type F */ end
21 1: begin /* type F */ end
22 2: begin /* type F */ end
5c33c5c0 23 3: `_SP <= `_SP - 2;
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24 endcase
25 end
26`endif
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