Fix add sp, imm8 *sweatdrop*
[fpgaboy.git] / core / insn_add_sp_imm8.v
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1`define INSN_ADD_SP_IMM8 9'b011101000
2
3`ifdef EXECUTE
4 `INSN_ADD_SP_IMM8: begin
5 case (cycle)
6 0: begin
7 `EXEC_INC_PC
8 end
9 1: begin
10 `EXEC_READ(`_PC)
11 end
12 3: begin
13 `EXEC_NEWCYCLE
14 `EXEC_INC_PC
15 end
16 endcase
17 end
18`endif
19
20`ifdef WRITEBACK
21 `INSN_ADD_SP_IMM8: begin
22 case (cycle)
9e1c03b6 23 2: `_SP <= `_SP + {rdata[7] ? 8'hFF : 8'h00, rdata};
41341eb3
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24 endcase
25 end
26`endif
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