]> Joshua Wise's Git repositories - fpgaboy.git/blame - core/insn_ldbcde_a.v
Fix makefile, too
[fpgaboy.git] / core / insn_ldbcde_a.v
CommitLineData
e7fe9dc2
JW
1`define INSN_LDBCDE_A 9'b0000xx010
2
4fd47c85
JW
3`ifdef EXECUTE
4 `INSN_LDBCDE_A: begin
5 case (cycle)
6 0: if (opcode[3]) begin
7 if (opcode[4]) begin `EXEC_READ(`_DE) end
8 else begin `EXEC_READ(`_BC) end
9 end else begin
10 if (opcode[4]) begin `EXEC_WRITE(`_DE, `_A) end
11 else begin `EXEC_WRITE(`_BC, `_A) end
12 end
13 1: begin
14 `EXEC_INC_PC
15 `EXEC_NEWCYCLE
16 end
17 endcase
18 end
19`endif
20
21`ifdef WRITEBACK
22 `INSN_LDBCDE_A: begin
23 case (cycle)
24 0: begin end
25 1: if (opcode[3]) `_A <= rdata;
26 endcase
27 end
28`endif
This page took 0.026413 seconds and 4 git commands to generate.