`define INSN_LDBCDE_A 9'b0000xx010 `ifdef EXECUTE `INSN_LDBCDE_A: begin case (cycle) 0: if (opcode[3]) begin if (opcode[4]) begin `EXEC_READ(`_DE) end else begin `EXEC_READ(`_BC) end end else begin if (opcode[4]) begin `EXEC_WRITE(`_DE, `_A) end else begin `EXEC_WRITE(`_BC, `_A) end end 1: begin `EXEC_INC_PC `EXEC_NEWCYCLE end endcase end `endif `ifdef WRITEBACK `INSN_LDBCDE_A: begin case (cycle) 0: begin end 1: if (opcode[3]) `_A <= rdata; endcase end `endif